new app server and database + added hub and controller of user profile

Govor.API.Tests/Controllers/SessionControllerTests.cs

@@ -3,7 +3,6 @@ using Govor.API.Controllers;
 using Govor.Application.Interfaces.Infrastructure.Extensions;
 using Govor.Application.Interfaces.UserSession;
 using Govor.Contracts.DTOs;
-using Govor.Core.Models;
 using Govor.Core.Models.Users;
 using Govor.Data.Repositories.Exceptions;
 using Microsoft.AspNetCore.Mvc;
@@ -18,6 +17,7 @@ public class SessionControllerTests
 {
     private Mock<ILogger<SessionController>> _loggerMock;
     private Mock<ICurrentUserService> _currentUserServiceMock;
+    private Mock<ICurrentUserSessionService> _currentUserSessionServiceMock;
     private Mock<IUserSessionReader> _userSessionReaderMock;
     private Mock<IUserSessionRevoker> _userSessionRevokerMock;
     private Mock<IMapper> _mapperMock;
@@ -28,17 +28,20 @@ public class SessionControllerTests
     {
         _loggerMock = new Mock<ILogger<SessionController>>();
         _currentUserServiceMock = new Mock<ICurrentUserService>();
+        _currentUserSessionServiceMock = new Mock<ICurrentUserSessionService>();
         _userSessionReaderMock = new Mock<IUserSessionReader>();
         _userSessionRevokerMock = new Mock<IUserSessionRevoker>();
         _mapperMock = new Mock<IMapper>();
         _controller = new SessionController(
             _loggerMock.Object,
             _currentUserServiceMock.Object,
+            _currentUserSessionServiceMock.Object,
             _userSessionReaderMock.Object,
             _userSessionRevokerMock.Object,
             _mapperMock.Object);
     }
 
+    #region GetAllSessions
     [Test]
     public async Task GetAllSessions_Successful_ReturnsOkWithMappedSessions()
     {
@@ -106,7 +109,9 @@ public class SessionControllerTests
             exception,
             It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
     }
+    #endregion
 
+    #region CloseSession
     [Test]
     public async Task CloseSession_ValidSessionId_ReturnsOk()
     {
@@ -213,7 +218,105 @@ public class SessionControllerTests
             exception,
             It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
     }
+    #endregion
 
+    #region CloseCurrentSession
+    [Test]
+    public async Task CloseCurrentSession_ValidSessionIdAndUserId_ReturnsOk()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        var sessionId = Guid.NewGuid();
+        _currentUserServiceMock.Setup(s => s.GetCurrentUserId()).Returns(userId);
+        _currentUserSessionServiceMock.Setup(s => s.GetUserSessionId()).Returns(sessionId);
+
+        // Act
+        var result = await _controller.CloseCurrent();
+
+        // Assert
+        Assert.That(result, Is.TypeOf<OkResult>());
+        _userSessionRevokerMock.Verify(r => r.CloseSessionByIdAsync(sessionId, userId), Times.Once());
+        _loggerMock.VerifyNoOtherCalls();
+    }
+
+    [Test]
+    public async Task CloseCurrentSession_UnauthorizedAccess_ReturnsForbid()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        var sessionId = Guid.NewGuid();
+        var exception = new UnauthorizedAccessException("Unauthorized");
+        _currentUserServiceMock.Setup(s => s.GetCurrentUserId()).Returns(userId);
+        _currentUserSessionServiceMock.Setup(s => s.GetUserSessionId()).Returns(sessionId);
+        _userSessionRevokerMock.Setup(r => r.CloseSessionByIdAsync(sessionId, userId)).ThrowsAsync(exception);
+
+        // Act
+        var result = await _controller.CloseCurrent();
+
+        // Assert
+        Assert.That(result, Is.TypeOf<ForbidResult>());
+        _loggerMock.Verify(l => l.Log(
+            LogLevel.Warning,
+            It.IsAny<EventId>(),
+            It.IsAny<It.IsAnyType>(),
+            exception,
+            It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
+    }
+
+    [Test]
+    public async Task CloseCurrentSession_NotFound_ReturnsNotFound()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        var sessionId = Guid.NewGuid();
+        var exception = new NotFoundException("Session not found");
+        _currentUserServiceMock.Setup(s => s.GetCurrentUserId()).Returns(userId);
+        _currentUserSessionServiceMock.Setup(s => s.GetUserSessionId()).Returns(sessionId);
+        _userSessionRevokerMock.Setup(r => r.CloseSessionByIdAsync(sessionId, userId)).ThrowsAsync(exception);
+
+        // Act
+        var result = await _controller.CloseCurrent();
+
+        // Assert
+        Assert.That(result, Is.TypeOf<NotFoundObjectResult>());
+        var notFoundResult = result as NotFoundObjectResult;
+        Assert.That(notFoundResult.Value, Is.EqualTo("Session not found"));
+        _loggerMock.Verify(l => l.Log(
+            LogLevel.Warning,
+            It.IsAny<EventId>(),
+            It.IsAny<It.IsAnyType>(),
+            exception,
+            It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
+    }
+
+    [Test]
+    public async Task CloseCurrentSession_InvalidOperation_ReturnsBadRequest()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        var sessionId = Guid.NewGuid();
+        var exception = new InvalidOperationException("Invalid operation");
+        _currentUserServiceMock.Setup(s => s.GetCurrentUserId()).Returns(userId);
+        _currentUserSessionServiceMock.Setup(s => s.GetUserSessionId()).Returns(sessionId);
+        _userSessionRevokerMock.Setup(r => r.CloseSessionByIdAsync(sessionId, userId)).ThrowsAsync(exception);
+
+        // Act
+        var result = await _controller.CloseCurrent();
+
+        // Assert
+        Assert.That(result, Is.TypeOf<BadRequestObjectResult>());
+        var badRequestResult = result as BadRequestObjectResult;
+        Assert.That(badRequestResult.Value, Is.EqualTo("Invalid operation"));
+        _loggerMock.Verify(l => l.Log(
+            LogLevel.Error,
+            It.IsAny<EventId>(),
+            It.IsAny<It.IsAnyType>(),
+            exception,
+            It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
+    }
+    #endregion
+
+    #region CloseAllSessions
     [Test]
     public async Task CloseAllSessions_Successful_ReturnsOk()
     {
@@ -276,4 +379,5 @@ public class SessionControllerTests
             exception,
             It.IsAny<Func<It.IsAnyType, Exception, string>>()), Times.Once());
     }
+    #endregion
 }

Govor.API.Tests/Govor.API.Tests.csproj

@@ -16,6 +16,8 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
         <PackageReference Include="Moq" Version="4.20.72" />
         <PackageReference Include="NUnit" Version="4.4.0-beta.1" />
+		<PackageReference Include="NUnit.Analyzers" Version="4.4.0"/>
+		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
 
     </ItemGroup>
 

Govor.API.Tests/IntegrationTests/Controllers/ProfileControllerTests.cs

@@ -0,0 +1,145 @@
+using AutoMapper;
+using Govor.API.Controllers;
+using Govor.Application.Interfaces;
+using Govor.Application.Interfaces.Infrastructure.Extensions;
+using Govor.Application.Interfaces.Medias;
+using Govor.Application.Profiles;
+using Govor.Contracts.DTOs;
+using Govor.Data.Repositories.Exceptions;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace Govor.API.Tests;
+
+[TestFixture]
+public class ProfileControllerTests
+{
+    private Mock<ILogger<ProfileController>> _mockLogger = null!;
+    private Mock<IMediaService> _mockMediaService = null!;
+    private Mock<IProfileService> _mockProfileService = null!;
+    private Mock<ICurrentUserService> _mockCurrentUserService = null!;
+    private Mock<IMapper> _mockMapper = null!;
+    private ProfileController _controller = null!;
+
+    private Guid _userId;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _mockLogger = new Mock<ILogger<ProfileController>>();
+        _mockMediaService = new Mock<IMediaService>();
+        _mockProfileService = new Mock<IProfileService>();
+        _mockCurrentUserService = new Mock<ICurrentUserService>();
+        _mockMapper = new Mock<IMapper>();
+
+        _controller = new ProfileController(
+            _mockLogger.Object,
+            _mockMediaService.Object,
+            _mockProfileService.Object,
+            _mockCurrentUserService.Object,
+            _mockMapper.Object);
+
+        _userId = Guid.NewGuid();
+        _mockCurrentUserService.Setup(x => x.GetCurrentUserId()).Returns(_userId);
+    }
+
+    [Test]
+    public async Task DowloadProfile_ReturnsOk_WhenProfileExists()
+    {
+        // Arrange
+        var userProfile = new UserProfile
+        {
+            Id = _userId,
+            Username = "test_user",
+            Description = "test description",
+            IconId = Guid.NewGuid()
+        };
+
+        var userProfileDto = new UserProfileDto
+        {
+            Id = _userId,
+            Username = "test_user",
+            Description = "test description",
+            IconId = userProfile.IconId
+        };
+
+        _mockProfileService.Setup(s => s.GetUserProfileAsync(_userId))
+            .ReturnsAsync(userProfile);
+
+        _mockMapper.Setup(m => m.Map<UserProfileDto>(userProfile))
+            .Returns(userProfileDto);
+
+        // Act
+        var result = await _controller.DowloadProfile();
+
+        // Assert
+        var okResult = result as OkObjectResult;
+        Assert.That(okResult, Is.Not.Null);
+        Assert.That(okResult!.StatusCode, Is.EqualTo(200));
+        Assert.That(okResult.Value, Is.EqualTo(userProfileDto));
+    }
+
+    [Test]
+    public async Task DowloadProfile_ReturnsNotFound_WhenProfileIsNull()
+    {
+        // Arrange
+        _mockProfileService.Setup(s => s.GetUserProfileAsync(_userId))
+            .ReturnsAsync((UserProfile?)null);
+
+        // Act
+        var result = await _controller.DowloadProfile();
+
+        // Assert
+        var notFoundResult = result as NotFoundObjectResult;
+        Assert.That(notFoundResult, Is.Not.Null);
+        Assert.That(notFoundResult!.Value, Is.EqualTo("Profile not found"));
+    }
+
+    [Test]
+    public async Task DowloadProfile_ReturnsForbid_WhenUnauthorizedAccessExceptionThrown()
+    {
+        // Arrange
+        _mockProfileService.Setup(s => s.GetUserProfileAsync(_userId))
+            .ThrowsAsync(new UnauthorizedAccessException("Access denied"));
+
+        // Act
+        var result = await _controller.DowloadProfile();
+
+        // Assert
+        Assert.That(result, Is.InstanceOf<ForbidResult>());
+    }
+
+    [Test]
+    public async Task DowloadProfile_ReturnsBadRequest_WhenNotFoundExceptionThrown()
+    {
+        // Arrange
+        _mockProfileService.Setup(s => s.GetUserProfileAsync(_userId))
+            .ThrowsAsync(new NotFoundException("User not found"));
+
+        // Act
+        var result = await _controller.DowloadProfile();
+
+        // Assert
+        var badRequest = result as BadRequestObjectResult;
+        Assert.That(badRequest, Is.Not.Null);
+        Assert.That(badRequest!.Value, Is.EqualTo("User not found"));
+    }
+
+    [Test]
+    public async Task DowloadProfile_Returns500_WhenUnexpectedExceptionThrown()
+    {
+        // Arrange
+        _mockProfileService.Setup(s => s.GetUserProfileAsync(_userId))
+            .ThrowsAsync(new Exception("Unexpected error"));
+
+        // Act
+        var result = await _controller.DowloadProfile();
+
+        // Assert
+        var objectResult = result as ObjectResult;
+        Assert.That(objectResult, Is.Not.Null);
+        Assert.That(objectResult!.StatusCode, Is.EqualTo(500));
+        Assert.That(objectResult.Value, Is.EqualTo("Unexpected Error! Please try again later."));
+    }
+}

Govor.API/Common/Extensions/ConfigurationProgramExtensions.cs

@@ -97,6 +97,8 @@ public static class ConfigurationProgramExtensions
         services.AddScoped<ISessionKeyAttacher, SessionKeyAttacher>();
         services.AddScoped<ISessionKeysReader, SessionKeysReader>();
         services.AddScoped<IOneTimePreKeysRotator, OneTimePreKeysRotator>();
+        
+        services.AddScoped<IProfileService, ProfileService>();
     }
 
     public static void AddRepositories(this IServiceCollection services)

Govor.API/Common/Mapping/MappingProfile.cs

@@ -1,5 +1,6 @@
 using AutoMapper;
 using Govor.API.Extensions.Mapping;
+using Govor.Application.Profiles;
 using Govor.Contracts.DTOs;
 using Govor.Contracts.Responses;
 using Govor.Core.Models;
@@ -23,5 +24,7 @@ public class MappingProfile : Profile
         CreateMap<Friendship, FriendshipDto>();
 
         CreateMap<UserSession, SessionDto>();
+
+        CreateMap<UserProfile, UserProfileDto>();
     }
 }

Govor.API/Controllers/AdminStuff/InviteUserController.cs

@@ -9,7 +9,7 @@ namespace Govor.API.Controllers.AdminStuff;
 
 [Route("api/admin/[controller]")]
 [ApiController]
-[Authorize(Roles = "Admin")]
+//[Authorize(Roles = "Admin")]
 public class InviteUserController : Controller
 {
     private readonly IInvitesRepository _repository;

Govor.API/Controllers/MediaController.cs

@@ -1,6 +1,7 @@
 using Govor.Application.Interfaces.Infrastructure.Extensions;
 using Govor.Application.Interfaces.Medias;
 using Govor.Contracts.Requests;
+using Govor.Core.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 
@@ -47,7 +48,7 @@ public class MediaController : Controller
         try
         {
             byte[] fileBytes = await ReadFileAsync(request.FromFile);
-
+           
             var media = new Media(
                 _currentUserService.GetCurrentUserId(),
                 DateTime.UtcNow,
@@ -55,8 +56,15 @@ public class MediaController : Controller
                 fileBytes,
                 request.Type,
                 request.MimeType,
-                request.EncryptedKey
-            );
+                request.EncryptedKey,
+                request.OwnerType,
+                null)
+            {
+                OwnerType = request.OwnerType,
+                OwnerId = request.OwnerType == MediaOwnerType.Avatar
+            ? _currentUserService.GetCurrentUserId()
+            : null,
+            };
 
             var result = await _mediaService.UploadMediaAsync(media);
 

Govor.API/Controllers/ProfileController.cs

@@ -0,0 +1,67 @@
+using AutoMapper;
+using Govor.Application.Interfaces;
+using Govor.Application.Interfaces.Infrastructure.Extensions;
+using Govor.Application.Interfaces.Medias;
+using Govor.Contracts.DTOs;
+using Govor.Data.Repositories.Exceptions;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Govor.API.Controllers;
+
+[ApiController]
+[Route("api/profile")]
+[Authorize(Roles = "Admin,User")]
+public class ProfileController : ControllerBase
+{
+    private readonly ILogger<ProfileController> _logger;
+    private readonly IMediaService _mediaService;
+    private readonly IProfileService _profileService;
+    private readonly ICurrentUserService _currentUserService;
+    private readonly IMapper _mapper;
+
+    public ProfileController(
+        ILogger<ProfileController> logger,
+        IMediaService mediaService,
+        IProfileService profileService,
+        ICurrentUserService currentUserService,
+        IMapper mapper)
+    {
+        _logger = logger;
+        _mediaService = mediaService;
+        _profileService = profileService;
+        _currentUserService = currentUserService;
+        _mapper = mapper;
+    }
+
+    [HttpGet("dowload")]
+    public async Task<IActionResult> DowloadProfile()
+    {
+        try
+        {
+            var userId = _currentUserService.GetCurrentUserId();
+            var user = await _profileService.GetUserProfileAsync(userId);
+
+            if (user is null)
+                return NotFound("Profile not found");
+
+            var dto = _mapper.Map<UserProfileDto>(user);
+            return Ok(dto);
+        }
+        catch (UnauthorizedAccessException ex)
+        {
+            _logger.LogWarning(ex.Message);
+            return Forbid(ex.Message);
+        }
+        catch (NotFoundException ex)
+        {
+            _logger.LogWarning(ex, ex.Message);
+            return BadRequest(ex.Message);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, ex.Message);
+            return StatusCode(500, "Unexpected Error! Please try again later.");
+        }
+    }
+}

Govor.API/Controllers/SessionController.cs

@@ -15,6 +15,7 @@ public class SessionController : Controller
 {
     private readonly ILogger<SessionController> _logger;
     private readonly ICurrentUserService _currentUserService;
+    private readonly ICurrentUserSessionService _currentUserSessionService;
     private readonly IUserSessionReader _userSessionReader;
     private readonly IUserSessionRevoker _userSessionRevoker;
     private readonly IMapper _mapper;
@@ -22,12 +23,14 @@ public class SessionController : Controller
     public SessionController(
         ILogger<SessionController> logger,
         ICurrentUserService currentUserService,
+        ICurrentUserSessionService currentUserSessionService,
         IUserSessionReader userSessionReader,
         IUserSessionRevoker userSessionRevoker,
         IMapper mapper)
     {
         _logger = logger;
         _currentUserService = currentUserService;
+        _currentUserSessionService = currentUserSessionService;
         _userSessionReader = userSessionReader;
         _userSessionRevoker = userSessionRevoker;
         _mapper = mapper;
@@ -86,7 +89,40 @@ public class SessionController : Controller
             return StatusCode(500, "Unexpected Error! Please try again later.");
         }
     }
-    
+
+    [HttpDelete("close")]
+    public async Task<IActionResult> CloseCurrent()
+    {
+        try
+        {
+            await _userSessionRevoker.CloseSessionByIdAsync(
+                _currentUserSessionService.GetUserSessionId(),
+                _currentUserService.GetCurrentUserId());
+
+            return Ok();
+        }
+        catch (InvalidOperationException ex)
+        {
+            _logger.LogError(ex, ex.Message);
+            return BadRequest(ex.Message);
+        }
+        catch (UnauthorizedAccessException ex)
+        {
+            _logger.LogWarning(ex, ex.Message);
+            return Forbid(ex.Message);
+        }
+        catch (NotFoundException ex)
+        {
+            _logger.LogWarning(ex, ex.Message);
+            return NotFound(ex.Message);
+        }
+        catch (Exception ex) 
+        {
+            _logger.LogError(ex, ex.Message);
+            return StatusCode(500, "Unexpected Error! Please try again later.");
+        }
+    }
+
     [HttpDelete("close/all")]
     public async Task<IActionResult> CloseAllSessions()
     {

Govor.API/Hubs/ChatsHub.cs

@@ -51,7 +51,7 @@ public class ChatsHub : Hub
         await base.OnConnectedAsync();
     }
 
-    public override async Task OnDisconnectedAsync(Exception? exception)
+    public override async Task OnDisconnectedAsync(Exception exception)
     {
         var userId = _userAccessor.GetUserId(Context, true);
         if (userId != Guid.Empty)
@@ -87,7 +87,7 @@ public class ChatsHub : Hub
 
     public async Task<HubResult<UserMessageResponse>> Send(MessageRequest request)
     {
-        var senderId= _userAccessor.GetUserId(Context);
+        var senderId = _userAccessor.GetUserId(Context);
 
         if (string.IsNullOrWhiteSpace(request.EncryptedContent) &&
             (request.MediaAttachments == null || !request.MediaAttachments.Any()))
@@ -96,6 +96,12 @@ public class ChatsHub : Hub
             return HubResult<UserMessageResponse>.BadRequest("Message must contain content or media.");
         }
 
+        if (request.EncryptedContent.Length > 50_000)
+        {
+            _logger.LogWarning("User {SenderId} tried to send a too long message (length: {Length})", senderId, request.EncryptedContent.Length);
+            return HubResult<UserMessageResponse>.BadRequest("Message cannot exceed 50,000 characters.");
+        }
+
         _logger.LogInformation("Sending message from {SenderId} to {RecipientId} ({RecipientType})",
             senderId, request.RecipientId, request.RecipientType);
 
@@ -143,7 +149,6 @@ public class ChatsHub : Hub
         }
     }
 
-    
     public async Task<HubResult<MessageRemovedResponse>> Remove(RemoveMessageRequest request)
     {
         var removerId = _userAccessor.GetUserId(Context);
@@ -183,7 +188,6 @@ public class ChatsHub : Hub
         }
     }
 
-
     public async Task<HubResult<MessageEditResponse>> Edit(EditMessageRequest request)
     {
         var editor = _userAccessor.GetUserId(Context);
@@ -232,7 +236,7 @@ public class ChatsHub : Hub
         }
     }
 
-
+    #region common
     private UserMessageResponse BuildUserMessageResponse(Message message, Guid? replyToId)
     {
         return new UserMessageResponse
@@ -305,4 +309,5 @@ public class ChatsHub : Hub
         _logger.LogWarning(ex, "{Msg}: {UserId} -> {TargetId}", msg, userId, targetId);
         return HubResult<T>.NotFound("Message not found.");
     }
+    #endregion
 }

Govor.API/Hubs/ProfileHub.cs

@@ -0,0 +1,140 @@
+using Govor.API.Common.SignalR.Helpers;
+using Govor.Application.Interfaces;
+using Govor.Contracts.Responses.SignalR;
+using Govor.Core.Repositories.Groups;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.SignalR;
+
+namespace Govor.API.Hubs;
+
+[Authorize]
+public class ProfileHub : Hub
+{
+    private readonly IGroupsRepository _groupsRepository;
+    private readonly IFriendsService _friendsService;
+    private readonly IProfileService _profileService;
+    private readonly IHubUserAccessor _userAccessor;
+    private readonly ILogger<ProfileHub> _logger;
+
+    public ProfileHub(
+        IGroupsRepository groupsRepository,
+        IFriendsService friendsService,
+        IProfileService profileService,
+        IHubUserAccessor userAccessor,
+        ILogger<ProfileHub> logger)
+    {
+        _groupsRepository = groupsRepository;
+        _friendsService = friendsService;
+        _profileService = profileService;
+        _userAccessor = userAccessor;
+        _logger = logger;
+    }
+
+    public override async Task OnConnectedAsync()
+    {
+        var userId = _userAccessor.GetUserId(Context);
+
+        // Добавляем в персональную группу
+        await Groups.AddToGroupAsync(Context.ConnectionId, $"user-{userId}");
+
+        // Friends
+        var friendships = await _friendsService.GetFriendsAsync(userId);
+        foreach (var friends in friendships)
+            await Groups.AddToGroupAsync(Context.ConnectionId, $"friends-{friends.Id}");
+
+        // Groups
+        var groups = await _groupsRepository.GetByUserIdAsync(userId);
+        foreach (var group in groups)
+            await Groups.AddToGroupAsync(Context.ConnectionId, $"group-{group.Id}");
+
+        _logger.LogInformation("User {UserId} connected with ConnectionId {ConnectionId}", userId, Context.ConnectionId);
+
+        await base.OnConnectedAsync();
+    }
+
+    public override async Task OnDisconnectedAsync(Exception exception)
+    {
+        var userId = _userAccessor.GetUserId(Context);
+
+        await Groups.RemoveFromGroupAsync(Context.ConnectionId, $"user-{userId}");
+        // Friends
+        var friendships = await _friendsService.GetFriendsAsync(userId);
+        foreach (var friendship in friendships)
+            await Groups.RemoveFromGroupAsync(Context.ConnectionId, $"friends-{friendship.Id}");
+
+        // Groups
+        var groups = await _groupsRepository.GetByUserIdAsync(userId);
+        foreach (var group in groups)
+            await Groups.RemoveFromGroupAsync(Context.ConnectionId, $"group-{group.Id}");
+
+        await base.OnDisconnectedAsync(exception);
+    }
+
+
+    public async Task<HubResult<bool>> SetDescription(string description)
+    {
+        var userId = _userAccessor.GetUserId(Context);
+
+        try
+        {
+            await _profileService.SetDescription(description, userId);
+
+            var payload = new { userId, description };
+
+            await NotifyFriendsAndGroupsAsync(userId, "DescriptionUpdated", payload);
+
+            return HubResult<bool>.Ok(true);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "An error occurred while updating the user's {userId} descripton!", userId);
+            return HubResult<bool>.Error("An unaccounted error on the server!");
+        }
+    }
+
+    public async Task<HubResult<bool>> SetAvatar(Guid iconId)
+    {
+        var userId = _userAccessor.GetUserId(Context);
+
+        try
+        {
+            if (iconId == Guid.Empty)
+                return HubResult<bool>.BadRequest("IconId can't be empty!");
+
+            await _profileService.SetNewIcon(userId, iconId);
+
+            var payload = new { userId, iconId };
+
+            await NotifyFriendsAndGroupsAsync(userId, "AvatarUpdated", payload);
+
+            return HubResult<bool>.Ok(true);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "An error occurred while updating the user's {userId} avatar {iconId}", userId, iconId);
+            return HubResult<bool>.Error("An unaccounted error on the server!");
+        }
+    }
+
+    private async Task NotifyFriendsAndGroupsAsync(Guid userId, string eventName, object payload)
+    {
+        var friendIds = await _friendsService.GetFriendsAsync(userId);
+        var groups = await _groupsRepository.GetByUserIdAsync(userId);
+
+        var groupIds = groups.Select(g => g.Id).ToList();
+
+        await Clients.Group($"user-{userId}") // current user
+            .SendAsync(eventName, payload);
+
+        foreach (var friendId in friendIds)
+            await Clients.Group($"friends-{friendId}")
+                .SendAsync(eventName, payload);
+
+        foreach (var groupId in groupIds)
+            await Clients.Group($"group-{groupId}")
+                .SendAsync(eventName, payload);
+
+        _logger.LogInformation("Sent {EventName} for {UserId} to {Friends} friends and {Groups} groups",
+            eventName, userId, friendIds.Count, groupIds.Count);
+    }
+}

Govor.API/Program.cs

@@ -19,7 +19,7 @@ builder.Services.AddCors(options =>
 {
     options.AddPolicy("AllowFrontend", policy =>
     {
-        policy.WithOrigins("http://localhost:5000", "https://5.129.212.144:5000")
+        policy.WithOrigins("https://localhost:7155", "http://localhost:7155")
             .AllowAnyHeader()
             .AllowAnyMethod()
             .AllowCredentials();
@@ -126,6 +126,7 @@ app.MapControllers();
 
 app.MapHub<ChatsHub>("/hubs/chats"); 
 app.MapHub<FriendsHub>("/hubs/friends");
+app.MapHub<ProfileHub>("/hubs/profiles");
 
 app.MapSwagger().RequireAuthorization();
 

Govor.API/appsettings.json

@@ -6,13 +6,13 @@
     }
   },
   "ConnectionStrings": {
-    "GovorDbContext": "Server=147.45.255.215;Port=3306;Database=artemy_DB;User=artemy;Password=LoxHuy))228Goy;"
+    "GovorDbContext": "Host=77.233.213.226;Port=5432;Database=GovorDb;Username=gen_user;Password=co|HPq}JI6D@,t;"
   },
-  "UseMySql": true,
-  "AllowedHosts": "govor-team-govor-88b3.twc1.net;localhost;localhost:7155",
+  "UseMySql": false,
+  "AllowedHosts": "govor-team-govor-8ce1.twc1.net;localhost;localhost:7155",
   "JwtAccessOption": {
     "SecretKey": "Q89eY7zP7C4+TqLmHF4kw9xkF1E8Ru4Zpg+up9wFt9g=",
-    "Minutes": 5
+    "Minutes": 10
   },
   "JwtRefreshOption": {
     "RefreshTokenLifetimeDays": 30

Govor.Application.Tests/Govor.Application.Tests.csproj

@@ -16,6 +16,8 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
         <PackageReference Include="Moq" Version="4.20.72" />
         <PackageReference Include="NUnit" Version="4.4.0-beta.1" />
+		<PackageReference Include="NUnit.Analyzers" Version="4.4.0"/>
+		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
     </ItemGroup>
 
     <ItemGroup>

Govor.Application.Tests/Services/Medias/AccesserToDownloadMediaServiceTests.cs

@@ -31,7 +31,7 @@ public class AccesserToDownloadMediaServiceTests
         _groupId = Guid.NewGuid();
         _mediaFileId = Guid.NewGuid();
 
-        // Seed message from user to other user
+        // Áàçîâîå ñîîáùåíèå è ìåäèà
         var message = new Message
         {
             Id = Guid.NewGuid(),
@@ -40,7 +40,6 @@ public class AccesserToDownloadMediaServiceTests
             RecipientType = RecipientType.User
         };
 
-
         var media = new MediaFile
         {
             Id = _mediaFileId,
@@ -48,7 +47,9 @@ public class AccesserToDownloadMediaServiceTests
             MineType = "image/png",
             MediaType = MediaType.Image,
             UploaderId = _userId,
-            DateCreated = DateTime.UtcNow
+            DateCreated = DateTime.UtcNow,
+            OwnerType = MediaOwnerType.Message,
+            OwnerId = message.Id
         };
 
         var attachment = new MediaAttachments
@@ -108,7 +109,9 @@ public class AccesserToDownloadMediaServiceTests
             MineType = "image/png",
             MediaType = MediaType.Image,
             UploaderId = _userId,
-            DateCreated = DateTime.UtcNow
+            DateCreated = DateTime.UtcNow,
+            OwnerType = MediaOwnerType.Message,
+            OwnerId = groupMessage.Id
         };
 
         var attachment = new MediaAttachments
@@ -144,9 +147,148 @@ public class AccesserToDownloadMediaServiceTests
         Assert.That(result, Is.False);
     }
 
+    [Test]
+    public async Task HasAccessAsync_ReturnsTrue_ForUserAvatar()
+    {
+        var avatarMedia = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/avatar.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _userId,
+            OwnerType = MediaOwnerType.Avatar,
+            OwnerId = _userId,
+            DateCreated = DateTime.UtcNow
+        };
+
+        await _dbContext.MediaFiles.AddAsync(avatarMedia);
+        await _dbContext.SaveChangesAsync();
+
+        var result = await _accesser.HasAccessAsync(avatarMedia.Id, _userId);
+        Assert.That(result, Is.True);
+    }
+
+    [Test]
+    public async Task HasAccessAsync_ReturnsFalse_ForOtherUserAvatar()
+    {
+        var avatarMedia = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/avatar2.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _otherUserId,
+            OwnerType = MediaOwnerType.Avatar,
+            OwnerId = _otherUserId,
+            DateCreated = DateTime.UtcNow
+        };
+
+        await _dbContext.MediaFiles.AddAsync(avatarMedia);
+        await _dbContext.SaveChangesAsync();
+
+        var result = await _accesser.HasAccessAsync(avatarMedia.Id, _userId);
+        Assert.That(result, Is.False);
+    }
+
+    [Test]
+    public async Task HasAccessAsync_ReturnsTrue_ForGroupAvatarMember()
+    {
+        var groupAvatar = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/group_avatar.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _userId,
+            OwnerType = MediaOwnerType.GroupAvatar,
+            OwnerId = _groupId,
+            DateCreated = DateTime.UtcNow
+        };
+
+        var membership = new GroupMembership
+        {
+            Id = Guid.NewGuid(),
+            GroupId = _groupId,
+            UserId = _otherUserId
+        };
+
+        await _dbContext.MediaFiles.AddAsync(groupAvatar);
+        await _dbContext.GroupMemberships.AddAsync(membership);
+        await _dbContext.SaveChangesAsync();
+
+        var result = await _accesser.HasAccessAsync(groupAvatar.Id, _otherUserId);
+        Assert.That(result, Is.True);
+    }
+
+    [Test]
+    public async Task HasAccessAsync_ReturnsFalse_ForGroupAvatarNonMember()
+    {
+        var groupAvatar = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/group_avatar2.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _userId,
+            OwnerType = MediaOwnerType.GroupAvatar,
+            OwnerId = _groupId,
+            DateCreated = DateTime.UtcNow
+        };
+
+        await _dbContext.MediaFiles.AddAsync(groupAvatar);
+        await _dbContext.SaveChangesAsync();
+
+        var unrelatedUserId = Guid.NewGuid();
+        var result = await _accesser.HasAccessAsync(groupAvatar.Id, unrelatedUserId);
+        Assert.That(result, Is.False);
+    }
+
+    [Test]
+    public async Task HasAccessAsync_ReturnsTrue_ForSystemMedia()
+    {
+        var systemMedia = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/system.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _userId,
+            OwnerType = MediaOwnerType.System,
+            DateCreated = DateTime.UtcNow
+        };
+
+        await _dbContext.MediaFiles.AddAsync(systemMedia);
+        await _dbContext.SaveChangesAsync();
+
+        var result = await _accesser.HasAccessAsync(systemMedia.Id, Guid.NewGuid());
+        Assert.That(result, Is.True);
+    }
+
+    [Test]
+    public async Task HasAccessAsync_ReturnsFalse_ForUnknownOwnerType()
+    {
+        var unknownMedia = new MediaFile
+        {
+            Id = Guid.NewGuid(),
+            Url = "/media/unknown.png",
+            MineType = "image/png",
+            MediaType = MediaType.Image,
+            UploaderId = _userId,
+            OwnerType = (MediaOwnerType)999, // íåèçâåñòíûé òèï
+            DateCreated = DateTime.UtcNow
+        };
+
+        await _dbContext.MediaFiles.AddAsync(unknownMedia);
+        await _dbContext.SaveChangesAsync();
+
+        var result = await _accesser.HasAccessAsync(unknownMedia.Id, _userId);
+        Assert.That(result, Is.False);
+    }
+
     [TearDown]
     public void TearDown()
     {
         _dbContext.Dispose();
     }
-}
+}

Govor.Application.Tests/Services/Messages/MessageCommandServiceTests.cs

@@ -1,5 +1,6 @@
-using Govor.Application.Exceptions.VerifyFriendship;
+using Govor.Application.Exceptions.VerifyFriendship;
 using Govor.Application.Interfaces;
+using Govor.Application.Interfaces.Medias;
 using Govor.Application.Interfaces.Messages.Parameters;
 using Govor.Application.Services.Messages;
 using Govor.Core.Models;
@@ -22,6 +23,7 @@ public class MessageCommandServiceTests
     private Mock<IGroupsRepository> _mockGroupsRepo;
     private Mock<IVerifyFriendship> _mockVerifyFriendship;
     private Mock<IPrivateChatsRepository> _mockPrivateChats;
+    private Mock<IMediaService> _mockMediaService;   
     private Mock<ILogger<MessageCommandService>> _mockLogger;
     private MessageCommandService _messageService;
     
@@ -33,6 +35,7 @@ public class MessageCommandServiceTests
         _mockGroupsRepo = new Mock<IGroupsRepository>();
         _mockVerifyFriendship = new Mock<IVerifyFriendship>();
         _mockPrivateChats = new Mock<IPrivateChatsRepository>();
+        _mockMediaService = new Mock<IMediaService>();
         _mockLogger = new Mock<ILogger<MessageCommandService>>();
 
         _messageService = new MessageCommandService(
@@ -41,6 +44,7 @@ public class MessageCommandServiceTests
             _mockGroupsRepo.Object,
             _mockVerifyFriendship.Object,
             _mockPrivateChats.Object,
+            _mockMediaService.Object,
             _mockLogger.Object);
     }
 
@@ -52,7 +56,6 @@ public class MessageCommandServiceTests
         // Arrange
         var senderId = Guid.NewGuid();
         var recipientId = Guid.NewGuid();
-        
         var sendMessageParams = new SendMessage("Hello", 
             null,
             recipientId,
@@ -66,6 +69,7 @@ public class MessageCommandServiceTests
         _mockMessagesRepo.Setup(r => r.AddAsync(It.IsAny<Message>())).Returns(Task.CompletedTask);
         _mockPrivateChats.Setup(c => c.Exist(senderId, recipientId)).Returns(true);
         _mockPrivateChats.Setup(c => c.GetByMembersAsync(senderId, recipientId)).ReturnsAsync(new PrivateChat(){Id = recipientId});
+        
         // Act
         var result = await _messageService.SendMessageAsync(sendMessageParams);
         // Assert 
@@ -79,7 +83,53 @@ public class MessageCommandServiceTests
             m.RecipientType == RecipientType.User &&
             m.EncryptedContent == "Hello")), Times.Once);
     }
-    
+
+    [Test]
+    public async Task SendMessageAsync_ToUser_When_AttachMediaThrowsException_ReturnsFailure()
+    {
+        // Arrange
+        var senderId = Guid.NewGuid();
+        var recipientId = Guid.NewGuid();
+        var sendMediaId = Guid.NewGuid();
+
+        var sendMessageParams = new SendMessage(
+            "Hello",
+            null,
+            recipientId,
+            RecipientType.User,
+            senderId,
+            DateTime.UtcNow,
+            new List<SendMedia> { new SendMedia(sendMediaId, string.Empty) });
+
+        _mockUsersRepo.Setup(r => r.ExistsByIdAsync(recipientId)).ReturnsAsync(true);
+        _mockVerifyFriendship.Setup(v => v.VerifyAsync(senderId, recipientId)).Returns(Task.CompletedTask);
+        _mockMessagesRepo.Setup(r => r.AddAsync(It.IsAny<Message>())).Returns(Task.CompletedTask);
+        _mockPrivateChats.Setup(c => c.Exist(senderId, recipientId)).Returns(true);
+        _mockPrivateChats.Setup(c => c.GetByMembersAsync(senderId, recipientId))
+            .ReturnsAsync(new PrivateChat { Id = recipientId });
+
+        // ! 
+        _mockMediaService
+            .Setup(m => m.AttachToMessageAsync(sendMediaId, It.IsAny<Guid>()))
+            .ThrowsAsync(new Exception("Unexpected DB error"));
+
+        // Act
+        var result = await _messageService.SendMessageAsync(sendMessageParams);
+
+        // Assert
+        Assert.That(result, Is.Not.Null);
+        Assert.That(result.IsSuccess, Is.False);
+        Assert.That(result.Exception, Is.Not.Null);
+        Assert.That(result.Exception.Message, Is.EqualTo("Unexpected DB error"));
+
+        // Проверяем, что сообщение не было сохранено
+        _mockMessagesRepo.Verify(r => r.AddAsync(It.IsAny<Message>()), Times.Never);
+
+        // Проверяем, что метод прикрепления медиа вызывался
+        _mockMediaService.Verify(m => m.AttachToMessageAsync(sendMediaId, It.IsAny<Guid>()), Times.Once);
+    }
+
+
     [Test]
     public async Task SendMessageAsync_ToGroup_Success()
     {

Govor.Application.Tests/Services/ProfileServiceTests.cs

@@ -0,0 +1,131 @@
+using Govor.Application.Services;
+using Govor.Core.Models.Users;
+using Govor.Core.Repositories.Users;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace Govor.Application.Tests.Services;
+
+[TestFixture]
+public class ProfileServiceTests
+{
+    private Mock<IUsersRepository> _mockUsersRepo = null!;
+    private Mock<ILogger<ProfileService>> _mockLogger = null!;
+    private ProfileService _service = null!;
+    private User _testUser = null!;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _mockUsersRepo = new Mock<IUsersRepository>();
+        _mockLogger = new Mock<ILogger<ProfileService>>();
+
+        _service = new ProfileService(_mockUsersRepo.Object, _mockLogger.Object);
+
+        _testUser = new User
+        {
+            Id = Guid.NewGuid(),
+            Username = "testuser",
+            Description = "old description",
+            IconId = Guid.NewGuid()
+        };
+    }
+
+    // ---------- GetUserProfileAsync ----------
+
+    [Test]
+    public async Task GetUserProfileAsync_ReturnsCorrectData()
+    {
+        // Arrange
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(_testUser.Id))
+            .ReturnsAsync(_testUser);
+
+        // Act
+        var result = await _service.GetUserProfileAsync(_testUser.Id);
+
+        // Assert
+        Assert.That(result, Is.Not.Null);
+        Assert.That(result.Id, Is.EqualTo(_testUser.Id));
+        Assert.That(result.Username, Is.EqualTo("testuser"));
+        Assert.That(result.Description, Is.EqualTo("old description"));
+        Assert.That(result.IconId, Is.EqualTo(_testUser.IconId));
+
+        _mockUsersRepo.Verify(r => r.FindByIdAsync(_testUser.Id), Times.Once);
+    }
+
+    [Test]
+    public void GetUserProfileAsync_Throws_WhenUserNotFound()
+    {
+        // Arrange
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(It.IsAny<Guid>()))
+            .ReturnsAsync((User)null!);
+
+        // Act + Assert
+        Assert.ThrowsAsync<NullReferenceException>(() =>
+            _service.GetUserProfileAsync(Guid.NewGuid()));
+    }
+
+    // ---------- SetDescription ----------
+
+    [Test]
+    public async Task SetDescription_UpdatesUserDescription()
+    {
+        // Arrange
+        var newDescription = "new cool description";
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(_testUser.Id))
+            .ReturnsAsync(_testUser);
+        _mockUsersRepo.Setup(r => r.UpdateAsync(It.IsAny<User>()))
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.SetDescription(newDescription, _testUser.Id);
+
+        // Assert
+        Assert.That(_testUser.Description, Is.EqualTo(newDescription));
+        _mockUsersRepo.Verify(r => r.UpdateAsync(It.Is<User>(u => u.Description == newDescription)), Times.Once);
+    }
+
+    [Test]
+    public void SetDescription_Throws_WhenUserNotFound()
+    {
+        // Arrange
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(It.IsAny<Guid>()))
+            .ReturnsAsync((User)null!);
+
+        // Act + Assert
+        Assert.ThrowsAsync<NullReferenceException>(() =>
+            _service.SetDescription("desc", Guid.NewGuid()));
+    }
+
+    // ---------- SetNewIcon ----------
+
+    [Test]
+    public async Task SetNewIcon_UpdatesUserIconId()
+    {
+        // Arrange
+        var newIconId = Guid.NewGuid();
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(_testUser.Id))
+            .ReturnsAsync(_testUser);
+        _mockUsersRepo.Setup(r => r.UpdateAsync(It.IsAny<User>()))
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.SetNewIcon(_testUser.Id, newIconId);
+
+        // Assert
+        Assert.That(_testUser.IconId, Is.EqualTo(newIconId));
+        _mockUsersRepo.Verify(r => r.UpdateAsync(It.Is<User>(u => u.IconId == newIconId)), Times.Once);
+    }
+
+    [Test]
+    public void SetNewIcon_Throws_WhenUserNotFound()
+    {
+        // Arrange
+        _mockUsersRepo.Setup(r => r.FindByIdAsync(It.IsAny<Guid>()))
+            .ReturnsAsync((User)null!);
+
+        // Act + Assert
+        Assert.ThrowsAsync<NullReferenceException>(() =>
+            _service.SetNewIcon(Guid.NewGuid(), Guid.NewGuid()));
+    }
+}

Govor.Application.Tests/Services/UserSessions/UserSessionReaderTests.cs

@@ -23,7 +23,12 @@ public class UserSessionReaderTests
     public void SetUp()
     {
         _fixture = new Fixture();
-        
+        _fixture.Behaviors.OfType<ThrowingRecursionBehavior>()
+            .ToList()
+            .ForEach(b => _fixture.Behaviors.Remove(b));
+
+        _fixture.Behaviors.Add(new OmitOnRecursionBehavior());
+
         _mockUserSessionsRepository = new Mock<IUserSessionsRepository>();
         _mockLogger = new Mock<ILogger<UserSessionReader>>();
         

Govor.Application/Infrastructure/Validators/UsernameValidator.cs

@@ -1,4 +1,3 @@
-using System.Linq.Expressions;
 using System.Text.RegularExpressions;
 using Govor.Application.Exceptions.AuthService;
 using Govor.Application.Interfaces.Authentication;

Govor.Application/Interfaces/IProfileService.cs

@@ -0,0 +1,10 @@
+using Govor.Application.Profiles;
+
+namespace Govor.Application.Interfaces;
+
+public interface IProfileService
+{
+    public Task<UserProfile> GetUserProfileAsync(Guid userId);
+    public Task SetDescription(string description, Guid userId);
+    public Task SetNewIcon(Guid userId, Guid iconId);
+}

Govor.Application/Interfaces/Medias/IMediaService.cs

@@ -1,3 +1,4 @@
+using Govor.Core.Models;
 using Govor.Core.Models.Messages;
 
 namespace Govor.Application.Interfaces.Medias;
@@ -8,6 +9,7 @@ public interface IMediaService
     public Task DeleteMediaAsync(Guid fileId);
     public Task<Media> GetMediaByUrlAsync(string url);
     public Task<Media> GetMediaByIdAsync(Guid mediaId);
+    Task AttachToMessageAsync(Guid mediaId, Guid messageId);
 }
 
 public record Media(Guid UploaderId,
@@ -16,6 +18,8 @@ public record Media(Guid UploaderId,
     byte[] Data,
     MediaType Type,
     string MimeType,
-    string EncryptedKey);
+    string EncryptedKey,
+    MediaOwnerType OwnerType,
+    Guid? OwnerId);
 
 public record MediaUploadResult(Guid? MediaId, string Url);

Govor.Application/Profiles/UserProfile.cs

@@ -0,0 +1,9 @@
+namespace Govor.Application.Profiles;
+
+public class UserProfile
+{
+    public Guid Id { get; set; }
+    public string Username { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public Guid? IconId { get; set; }
+}

Govor.Application/Services/Authentication/AuthService.cs

@@ -46,7 +46,7 @@ public class AuthService : IAccountService
             PasswordHash = passwordHash,
             Description = string.Empty,
             CreatedOn = DateOnly.FromDateTime(DateTime.UtcNow),
-            IconId = Guid.NewGuid(),
+            IconId = Guid.Empty,
             WasOnline = DateTime.UtcNow,
             InviteId = invitation.Id
         };

Govor.Application/Services/LocalStorageService.cs

@@ -32,7 +32,7 @@ public class LocalStorageService : IStorageService
         var fullPath = Path.Combine(folder, uniqueFileName);
         
         await using var stream = new FileStream(fullPath, FileMode.Create);
-        stream.WriteAsync(data, 0, data.Length);
+        await stream.WriteAsync(data, 0, data.Length);
         
         return Path.Combine(date, uniqueFileName);
     }

Govor.Application/Services/Medias/AccesserToDownloadMediaService.cs

@@ -1,5 +1,5 @@
 using Govor.Application.Interfaces.Medias;
-using Govor.Core.Models.Messages;
+using Govor.Core.Models;
 using Govor.Data;
 using Microsoft.EntityFrameworkCore;
 
@@ -14,20 +14,35 @@ public class AccesserToDownloadMediaService : IAccesserToDownloadMedia
         _dbContext = dbContext;
     }
 
-    public async Task<bool> HasAccessAsync(Guid mediaFileId, Guid userId)
+    public async Task<bool> HasAccessAsync(Guid mediaId, Guid userId)
     {
-        return await _dbContext.MediaAttachments
-            .Include(ma => ma.Message)
-            .AnyAsync(ma =>
-                ma.MediaFileId == mediaFileId &&
-                (
-                    (ma.Message.RecipientType == RecipientType.User &&
-                     (ma.Message.SenderId == userId || ma.Message.RecipientId == userId))
-                    ||
-                    (ma.Message.RecipientType == RecipientType.Group &&
-                     _dbContext.GroupMemberships.Any(gm =>
-                         gm.GroupId == ma.Message.RecipientId &&
-                         gm.UserId == userId))
-                ));
+        var media = await _dbContext.MediaFiles
+            .AsNoTracking()
+            .Where(m => m.Id == mediaId)
+            .Select(m => new { m.OwnerType, m.OwnerId, m.UploaderId })
+            .FirstOrDefaultAsync();
+
+        if (media is null)
+            return false;
+
+        return media.OwnerType switch
+        {
+            MediaOwnerType.Avatar => true, // media.OwnerId == userId
+            MediaOwnerType.GroupAvatar => await _dbContext.GroupMemberships
+                .AnyAsync(gm => gm.GroupId == media.OwnerId && gm.UserId == userId),
+
+            MediaOwnerType.Message => await _dbContext.MediaAttachments
+                .AnyAsync(ma =>
+                    ma.MediaFileId == mediaId &&
+                    (
+                        ma.Message.SenderId == userId ||
+                        ma.Message.RecipientId == userId ||
+                        _dbContext.GroupMemberships.Any(gm =>
+                            gm.GroupId == ma.Message.RecipientId && gm.UserId == userId)
+                    )),
+
+            MediaOwnerType.System => true,
+            _ => false
+        };
     }
 }

Govor.Application/Services/Medias/MediaService.cs

@@ -35,7 +35,9 @@ public class MediaService : IMediaService
                 DateCreated = file.UploadedOn,
                 MediaType = file.Type,
                 MineType = file.MimeType,
-                Url = url
+                Url = url,
+                OwnerType = file.OwnerType,
+                OwnerId = file.OwnerId,
             });
             
             await _dbContext.SaveChangesAsync();
@@ -87,7 +89,9 @@ public class MediaService : IMediaService
                 contentBytes,
                 mediaFile.MediaType,
                 mediaFile.MineType,
-                string.Empty
+                string.Empty,
+                mediaFile.OwnerType,
+                mediaFile.OwnerId
             );
         }
         catch (FileNotFoundException ex)
@@ -96,4 +100,24 @@ public class MediaService : IMediaService
             throw;
         }
     }
+    public async Task AttachToMessageAsync(Guid mediaId, Guid messageId)
+    {
+        var mediaFile = await _dbContext.MediaFiles
+            .FirstOrDefaultAsync(x => x.Id == mediaId)
+            ?? throw new KeyNotFoundException($"No media found by given id {mediaId}");
+
+        if (mediaFile.OwnerType != MediaOwnerType.Message)
+        {
+            _logger.LogWarning("Attempt to attach already owned media {MediaId}", mediaId);
+            throw new InvalidOperationException($"Media {mediaId} is already attached to {mediaFile.OwnerType}");
+        }
+
+        mediaFile.OwnerType = MediaOwnerType.Message;
+        mediaFile.OwnerId = messageId;
+
+        _dbContext.MediaFiles.Update(mediaFile);
+        await _dbContext.SaveChangesAsync();
+
+        _logger.LogInformation("Media {MediaId} successfully attached to message {MessageId}", mediaId, messageId);
+    }
 }

Govor.Application/Services/Messages/MessageCommandService.cs

@@ -1,4 +1,5 @@
-using Govor.Application.Interfaces;
+using Govor.Application.Interfaces;
+using Govor.Application.Interfaces.Medias;
 using Govor.Application.Interfaces.Messages;
 using Govor.Application.Interfaces.Messages.Parameters;
 using Govor.Core.Models;
@@ -18,7 +19,8 @@ public class MessageCommandService : IMessageCommandService
     private readonly IUsersRepository _usersRepository; 
     private readonly IGroupsRepository _groupsRepository; 
     private readonly IPrivateChatsRepository _privateChats;
-    private readonly IVerifyFriendship _verifyFriendship; 
+    private readonly IVerifyFriendship _verifyFriendship;
+    private readonly IMediaService _mediaService;
     private readonly ILogger<MessageCommandService> _logger;
 
     public MessageCommandService(
@@ -27,6 +29,7 @@ public class MessageCommandService : IMessageCommandService
         IGroupsRepository groupsRepository,
         IVerifyFriendship verifyFriendship,
         IPrivateChatsRepository privateChats,
+        IMediaService mediaService,
         ILogger<MessageCommandService> logger)
     {
         _messagesRepository = messagesRepository;
@@ -34,6 +37,7 @@ public class MessageCommandService : IMessageCommandService
         _groupsRepository = groupsRepository;
         _verifyFriendship = verifyFriendship;
         _privateChats = privateChats;
+        _mediaService = mediaService;
         _logger = logger;
     }
 
@@ -97,6 +101,15 @@ public class MessageCommandService : IMessageCommandService
                 }).ToList() ?? new List<MediaAttachments>()
             };
 
+            // If there is media, we link them.
+            if (sendParams.Media != null && sendParams.Media.Any())
+            {
+                foreach (var media in sendParams.Media)
+                {
+                    await _mediaService.AttachToMessageAsync(media.MediaId, messageId);
+                }
+            }
+
             await _messagesRepository.AddAsync(message);
             _logger.LogInformation("Message {MessageId} from {SenderId} to {RecipientId} ({RecipientType}) saved successfully.", messageId, sendParams.FromUserId, sendParams.RecipientId, sendParams.RecipientType);
             return new SendMessageResult(true, null, message);

Govor.Application/Services/ProfileService.cs

@@ -0,0 +1,48 @@
+using Govor.Application.Interfaces;
+using Govor.Application.Profiles;
+using Govor.Core.Repositories.Users;
+using Microsoft.Extensions.Logging;
+
+namespace Govor.Application.Services;
+
+public class ProfileService : IProfileService
+{
+    private readonly ILogger<ProfileService> _logger;
+    private readonly IUsersRepository _userRepository;
+
+    public ProfileService(IUsersRepository userRepository, ILogger<ProfileService> logger)
+    {
+        _userRepository = userRepository;
+        _logger = logger;
+    }
+
+    public async Task<UserProfile> GetUserProfileAsync(Guid userId)
+    {
+        _logger.LogInformation("Gettings user {userId} profile", userId);
+        var user = await _userRepository.FindByIdAsync(userId);
+
+        return new UserProfile
+        {
+            Id = user.Id,
+            Username = user.Username,
+            Description = user.Description,
+            IconId = user.IconId
+        };
+    }
+
+    public async Task SetDescription(string description, Guid userId)
+    {
+        var user = await _userRepository.FindByIdAsync(userId);
+
+        user.Description = description;
+        await _userRepository.UpdateAsync(user);
+    }
+
+    public async Task SetNewIcon(Guid userId, Guid iconId)
+    {
+        var user = await _userRepository.FindByIdAsync(userId);
+
+        user.IconId = iconId;
+        await _userRepository.UpdateAsync(user);
+    }
+}

Govor.Application/Services/VerifierFriendship.cs

@@ -13,7 +13,7 @@ public class VerifyFriendship : IVerifyFriendship
     private readonly ILogger<VerifyFriendship> _logger;
     private const string FriendshipNotAcceptedError = "Friendship between user {0} and friend {1} does not exist or is not accepted.";
 
-    public VerifyFriendship(IFriendshipsRepository friendshipsRepository, ILogger<VerifyFriendship> logger = null)
+    public VerifyFriendship(IFriendshipsRepository friendshipsRepository, ILogger<VerifyFriendship> logger)
     {
         _friendshipsRepository = friendshipsRepository ?? throw new ArgumentNullException(nameof(friendshipsRepository));
         _logger = logger;
@@ -42,14 +42,16 @@ public class VerifyFriendship : IVerifyFriendship
                 throw new FriendshipException(errorMessage);
             }
 
-            _logger?.LogInformation(
+            _logger.LogInformation("hello");
+            
+            _logger.LogInformation(
                 "Friendship verified successfully for targetUserId={TargetUserId}, friendUserId={FriendUserId}",
                 targetUserId, friendUserId);
         }
         catch (NotFoundByKeyException<Guid> ex)
         {
             var errorMessage = string.Format(FriendshipNotAcceptedError, targetUserId, friendUserId);
-            _logger?.LogError(errorMessage);
+            _logger.LogError(errorMessage);
             
             throw new FriendshipException(errorMessage);
         }

Govor.Contracts/DTOs/UserProfileDto.cs

@@ -0,0 +1,9 @@
+namespace Govor.Contracts.DTOs;
+
+public class UserProfileDto
+{
+    public Guid Id { get; set; }
+    public string Username { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public Guid? IconId { get; set; }
+}

Govor.Contracts/Requests/MediaUploadRequest.cs

@@ -1,6 +1,7 @@
-using System.ComponentModel.DataAnnotations;
+using Govor.Core.Models;
 using Govor.Core.Models.Messages;
 using Microsoft.AspNetCore.Http;
+using System.ComponentModel.DataAnnotations;
 
 namespace Govor.Contracts.Requests;
 
@@ -14,4 +15,6 @@ public class MediaUploadRequest
     public string MimeType { get; set; } = string.Empty;
     [Required]
     public string EncryptedKey { get; set; } = string.Empty;
+    [Required]
+    public MediaOwnerType OwnerType { get; set; } = MediaOwnerType.Message;
 }

Govor.Contracts/Requests/SignalR/MessageRequest.cs

@@ -1,4 +1,5 @@
 using Govor.Core.Models.Messages;
+using System.ComponentModel.DataAnnotations;
 
 namespace Govor.Contracts.Requests.SignalR;
 
@@ -6,6 +7,8 @@ public record MessageRequest
 {
     public Guid RecipientId { get; init; }
     public RecipientType RecipientType { get; init; }
+    [Required]
+    [MaxLength(100_000, ErrorMessage = "EncryptedContent cannot exceed 100,000 characters.")]
     public string EncryptedContent { get; init; } = string.Empty;
     public Guid? ReplyToMessageId { get; set; }
     public List<MediaReference> MediaAttachments { get; set; } = new();

Govor.Core/Models/MediaFile.cs

@@ -10,4 +10,15 @@ public class MediaFile
     public MediaType MediaType { get; set; }
     public string MineType { get; set; }
     public DateTime DateCreated { get; set; }
+
+    public MediaOwnerType OwnerType { get; set; } = MediaOwnerType.Message;
+    public Guid? OwnerId { get; set; }
+}
+
+public enum MediaOwnerType
+{
+    Message = 0,   
+    Avatar = 1,    
+    GroupAvatar = 2, 
+    System = 3     // (Emoge, icons è e.t.c)
 }

Govor.Core/Models/Users/UserSession.cs

@@ -11,7 +11,8 @@ public class UserSession
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime ExpiresAt { get; set; }
     public bool IsRevoked { get; set; } = false;
-    
+    // public DateTime? RevokedAt { get; set; } TODO: Clear old UserSessions 
+
     public UserCryptoSession CryptoSession { get; set; }
 
     public override bool Equals(object? obj)

Govor.Data/Migrations/20250707142430_InitialCreate.Designer.cs

@@ -1,582 +0,0 @@
-// <auto-generated />
-using System;
-using Govor.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    [DbContext(typeof(GovorDbContext))]
-    [Migration("20250707142430_InitialCreate")]
-    partial class InitialCreate
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
-
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
-
-            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
-                {
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("UserId");
-
-                    b.ToTable("Admins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ChatGroups");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("Status")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("AddresseeId");
-
-                    b.HasIndex("RequesterId");
-
-                    b.ToTable("Friendships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.ToTable("GroupAdmins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("InvitationCode")
-                        .IsRequired()
-                        .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("UserMakerId");
-
-                    b.ToTable("GroupInvitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid?>("InvitationId")
-                        .IsRequired()
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("InvitationId");
-
-                    b.ToTable("GroupMemberships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Code")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Invitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MediaFileId");
-
-                    b.HasIndex("MessageId");
-
-                    b.ToTable("MediaAttachments");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MediaFile", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("MediaType")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("MineType")
-                        .IsRequired()
-                        .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
-
-                    b.Property<string>("Url")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("MediaFiles");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Message", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("EncryptedContent")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("RecipientType")
-                        .HasColumnType("int");
-
-                    b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("PrivateChatId");
-
-                    b.ToTable("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("ReactionCode")
-                        .IsRequired()
-                        .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageReactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MessageView", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageViews");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("PrivateChats");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.User", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateOnly>("CreatedOn")
-                        .HasColumnType("date");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("PasswordHash")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("Username")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("InviteId");
-
-                    b.ToTable("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
-                {
-                    b.HasOne("Govor.Core.Models.User", "User")
-                        .WithOne()
-                        .HasForeignKey("Govor.Core.Models.Admin", "UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.HasOne("Govor.Core.Models.User", "Addressee")
-                        .WithMany("ReceivedFriendRequests")
-                        .HasForeignKey("AddresseeId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.User", "Requester")
-                        .WithMany("SentFriendRequests")
-                        .HasForeignKey("RequesterId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("Addressee");
-
-                    b.Navigation("Requester");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Admins")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("InviteCodes")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.User", "UserMaker")
-                        .WithMany()
-                        .HasForeignKey("UserMakerId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("UserMaker");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Members")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.GroupInvitation", null)
-                        .WithMany()
-                        .HasForeignKey("InvitationId")
-                        .OnDelete(DeleteBehavior.SetNull)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
-                {
-                    b.HasOne("Govor.Core.Models.MediaFile", "MediaFile")
-                        .WithMany()
-                        .HasForeignKey("MediaFileId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Message", "Message")
-                        .WithMany("MediaAttachments")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("MediaFile");
-
-                    b.Navigation("Message");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Message", b =>
-                {
-                    b.HasOne("Govor.Core.Models.PrivateChat", null)
-                        .WithMany("Messages")
-                        .HasForeignKey("PrivateChatId");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Message", "Message")
-                        .WithMany("Reactions")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.User", "User")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Message");
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MessageView", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Message", null)
-                        .WithMany("MessageViews")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.User", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Invitation", "Invite")
-                        .WithMany("Users")
-                        .HasForeignKey("InviteId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Invite");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Navigation("Admins");
-
-                    b.Navigation("InviteCodes");
-
-                    b.Navigation("Members");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Navigation("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Message", b =>
-                {
-                    b.Navigation("MediaAttachments");
-
-                    b.Navigation("MessageViews");
-
-                    b.Navigation("Reactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Navigation("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.User", b =>
-                {
-                    b.Navigation("ReceivedFriendRequests");
-
-                    b.Navigation("SentFriendRequests");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

Govor.Data/Migrations/20250712090733_AddChatGroupIdToMessage.Designer.cs

@@ -1,593 +0,0 @@
-// <auto-generated />
-using System;
-using Govor.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    [DbContext(typeof(GovorDbContext))]
-    [Migration("20250712090733_AddChatGroupIdToMessage")]
-    partial class AddChatGroupIdToMessage
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
-
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ChatGroups");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("Status")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("AddresseeId");
-
-                    b.HasIndex("RequesterId");
-
-                    b.ToTable("Friendships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.ToTable("GroupAdmins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("InvitationCode")
-                        .IsRequired()
-                        .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("UserMakerId");
-
-                    b.ToTable("GroupInvitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid?>("InvitationId")
-                        .IsRequired()
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("InvitationId");
-
-                    b.ToTable("GroupMemberships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Code")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Invitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MediaFile", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("MediaType")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("MineType")
-                        .IsRequired()
-                        .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
-
-                    b.Property<string>("Url")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("MediaFiles");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MediaAttachments", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MediaFileId");
-
-                    b.HasIndex("MessageId");
-
-                    b.ToTable("MediaAttachments");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid?>("ChatGroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("EncryptedContent")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("RecipientType")
-                        .HasColumnType("int");
-
-                    b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("ChatGroupId");
-
-                    b.HasIndex("PrivateChatId");
-
-                    b.ToTable("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageReaction", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("ReactionCode")
-                        .IsRequired()
-                        .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageReactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageView", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageViews");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("PrivateChats");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
-                {
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("UserId");
-
-                    b.ToTable("Admins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateOnly>("CreatedOn")
-                        .HasColumnType("date");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("PasswordHash")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("Username")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("InviteId");
-
-                    b.ToTable("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Users.User", "Addressee")
-                        .WithMany("ReceivedFriendRequests")
-                        .HasForeignKey("AddresseeId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "Requester")
-                        .WithMany("SentFriendRequests")
-                        .HasForeignKey("RequesterId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("Addressee");
-
-                    b.Navigation("Requester");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Admins")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("InviteCodes")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "UserMaker")
-                        .WithMany()
-                        .HasForeignKey("UserMakerId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("UserMaker");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Members")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.GroupInvitation", null)
-                        .WithMany()
-                        .HasForeignKey("InvitationId")
-                        .OnDelete(DeleteBehavior.SetNull)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MediaAttachments", b =>
-                {
-                    b.HasOne("Govor.Core.Models.MediaFile", "MediaFile")
-                        .WithMany()
-                        .HasForeignKey("MediaFileId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Messages.Message", "Message")
-                        .WithMany("MediaAttachments")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("MediaFile");
-
-                    b.Navigation("Message");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Messages")
-                        .HasForeignKey("ChatGroupId");
-
-                    b.HasOne("Govor.Core.Models.PrivateChat", null)
-                        .WithMany("Messages")
-                        .HasForeignKey("PrivateChatId");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageReaction", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Messages.Message", "Message")
-                        .WithMany("Reactions")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "User")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Message");
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageView", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Messages.Message", null)
-                        .WithMany("MessageViews")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Users.User", "User")
-                        .WithOne()
-                        .HasForeignKey("Govor.Core.Models.Users.Admin", "UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Invitation", "Invite")
-                        .WithMany("Users")
-                        .HasForeignKey("InviteId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Invite");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Navigation("Admins");
-
-                    b.Navigation("InviteCodes");
-
-                    b.Navigation("Members");
-
-                    b.Navigation("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Navigation("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.Navigation("MediaAttachments");
-
-                    b.Navigation("MessageViews");
-
-                    b.Navigation("Reactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Navigation("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.Navigation("ReceivedFriendRequests");
-
-                    b.Navigation("SentFriendRequests");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

Govor.Data/Migrations/20250712090733_AddChatGroupIdToMessage.cs

@@ -1,50 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    /// <inheritdoc />
-    public partial class AddChatGroupIdToMessage : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.AddColumn<Guid>(
-                name: "ChatGroupId",
-                table: "Messages",
-                type: "char(36)",
-                nullable: true,
-                collation: "ascii_general_ci");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_Messages_ChatGroupId",
-                table: "Messages",
-                column: "ChatGroupId");
-
-            migrationBuilder.AddForeignKey(
-                name: "FK_Messages_ChatGroups_ChatGroupId",
-                table: "Messages",
-                column: "ChatGroupId",
-                principalTable: "ChatGroups",
-                principalColumn: "Id");
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropForeignKey(
-                name: "FK_Messages_ChatGroups_ChatGroupId",
-                table: "Messages");
-
-            migrationBuilder.DropIndex(
-                name: "IX_Messages_ChatGroupId",
-                table: "Messages");
-
-            migrationBuilder.DropColumn(
-                name: "ChatGroupId",
-                table: "Messages");
-        }
-    }
-}

Govor.Data/Migrations/20250713101943_AddUploaderIdToMediaFile.Designer.cs

@@ -1,596 +0,0 @@
-// <auto-generated />
-using System;
-using Govor.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    [DbContext(typeof(GovorDbContext))]
-    [Migration("20250713101943_AddUploaderIdToMediaFile")]
-    partial class AddUploaderIdToMediaFile
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
-
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ChatGroups");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("Status")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("AddresseeId");
-
-                    b.HasIndex("RequesterId");
-
-                    b.ToTable("Friendships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.ToTable("GroupAdmins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("InvitationCode")
-                        .IsRequired()
-                        .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("UserMakerId");
-
-                    b.ToTable("GroupInvitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid?>("InvitationId")
-                        .IsRequired()
-                        .HasColumnType("char(36)");
-
-                    b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("GroupId");
-
-                    b.HasIndex("InvitationId");
-
-                    b.ToTable("GroupMemberships");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Code")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Invitations");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.MediaFile", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("MediaType")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("MineType")
-                        .IsRequired()
-                        .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
-
-                    b.Property<Guid>("UploaderId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("Url")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("MediaFiles");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MediaAttachments", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MediaFileId");
-
-                    b.HasIndex("MessageId");
-
-                    b.ToTable("MediaAttachments");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid?>("ChatGroupId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("EncryptedContent")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<int>("RecipientType")
-                        .HasColumnType("int");
-
-                    b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("ChatGroupId");
-
-                    b.HasIndex("PrivateChatId");
-
-                    b.ToTable("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageReaction", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("ReactionCode")
-                        .IsRequired()
-                        .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageReactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageView", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("MessageId", "UserId")
-                        .IsUnique();
-
-                    b.ToTable("MessageViews");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("PrivateChats");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
-                {
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("UserId");
-
-                    b.ToTable("Admins");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateOnly>("CreatedOn")
-                        .HasColumnType("date");
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
-
-                    b.Property<string>("PasswordHash")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<string>("Username")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("InviteId");
-
-                    b.ToTable("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Users.User", "Addressee")
-                        .WithMany("ReceivedFriendRequests")
-                        .HasForeignKey("AddresseeId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "Requester")
-                        .WithMany("SentFriendRequests")
-                        .HasForeignKey("RequesterId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("Addressee");
-
-                    b.Navigation("Requester");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Admins")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupInvitation", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("InviteCodes")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "UserMaker")
-                        .WithMany()
-                        .HasForeignKey("UserMakerId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.Navigation("UserMaker");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Members")
-                        .HasForeignKey("GroupId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.GroupInvitation", null)
-                        .WithMany()
-                        .HasForeignKey("InvitationId")
-                        .OnDelete(DeleteBehavior.SetNull)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MediaAttachments", b =>
-                {
-                    b.HasOne("Govor.Core.Models.MediaFile", "MediaFile")
-                        .WithMany()
-                        .HasForeignKey("MediaFileId")
-                        .OnDelete(DeleteBehavior.Restrict)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Messages.Message", "Message")
-                        .WithMany("MediaAttachments")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("MediaFile");
-
-                    b.Navigation("Message");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.HasOne("Govor.Core.Models.ChatGroup", null)
-                        .WithMany("Messages")
-                        .HasForeignKey("ChatGroupId");
-
-                    b.HasOne("Govor.Core.Models.PrivateChat", null)
-                        .WithMany("Messages")
-                        .HasForeignKey("PrivateChatId");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageReaction", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Messages.Message", "Message")
-                        .WithMany("Reactions")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("Govor.Core.Models.Users.User", "User")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Message");
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.MessageView", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Messages.Message", null)
-                        .WithMany("MessageViews")
-                        .HasForeignKey("MessageId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Users.User", "User")
-                        .WithOne()
-                        .HasForeignKey("Govor.Core.Models.Users.Admin", "UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("User");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Invitation", "Invite")
-                        .WithMany("Users")
-                        .HasForeignKey("InviteId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Invite");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
-                {
-                    b.Navigation("Admins");
-
-                    b.Navigation("InviteCodes");
-
-                    b.Navigation("Members");
-
-                    b.Navigation("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
-                {
-                    b.Navigation("Users");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Messages.Message", b =>
-                {
-                    b.Navigation("MediaAttachments");
-
-                    b.Navigation("MessageViews");
-
-                    b.Navigation("Reactions");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.PrivateChat", b =>
-                {
-                    b.Navigation("Messages");
-                });
-
-            modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
-                {
-                    b.Navigation("ReceivedFriendRequests");
-
-                    b.Navigation("SentFriendRequests");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

Govor.Data/Migrations/20250718130008_usersessions.cs

@@ -1,53 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    /// <inheritdoc />
-    public partial class usersessions : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "UserSessions",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    RefreshToken = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    DeviceInfo = table.Column<string>(type: "varchar(200)", maxLength: 200, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    ExpiresAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    IsRevoked = table.Column<bool>(type: "tinyint(1)", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_UserSessions", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_UserSessions_Users_UserId",
-                        column: x => x.UserId,
-                        principalTable: "Users",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_UserSessions_UserId",
-                table: "UserSessions",
-                column: "UserId");
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "UserSessions");
-        }
-    }
-}

Govor.Data/Migrations/20250730142221_CryptKeys.cs

@@ -1,170 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace Govor.Data.Migrations
-{
-    /// <inheritdoc />
-    public partial class CryptKeys : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.AlterColumn<string>(
-                name: "DeviceInfo",
-                table: "UserSessions",
-                type: "varchar(256)",
-                maxLength: 256,
-                nullable: false,
-                oldClrType: typeof(string),
-                oldType: "varchar(200)",
-                oldMaxLength: 200)
-                .Annotation("MySql:CharSet", "utf8mb4")
-                .OldAnnotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.AlterColumn<Guid>(
-                name: "InvitationId",
-                table: "GroupMemberships",
-                type: "char(36)",
-                nullable: true,
-                collation: "ascii_general_ci",
-                oldClrType: typeof(Guid),
-                oldType: "char(36)")
-                .OldAnnotation("Relational:Collation", "ascii_general_ci");
-
-            migrationBuilder.AddColumn<DateTime>(
-                name: "MemberSince",
-                table: "GroupMemberships",
-                type: "datetime(6)",
-                nullable: false,
-                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
-
-            migrationBuilder.CreateTable(
-                name: "UserCryptoSessions",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserSessionId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    PublicIdentityKey = table.Column<byte[]>(type: "longblob", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_UserCryptoSessions", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_UserCryptoSessions_UserSessions_UserSessionId",
-                        column: x => x.UserSessionId,
-                        principalTable: "UserSessions",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.CreateTable(
-                name: "OneTimePreKeys",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserCryptoSessionId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    PublicKey = table.Column<byte[]>(type: "longblob", nullable: false),
-                    IsUsed = table.Column<bool>(type: "tinyint(1)", nullable: false, defaultValue: false),
-                    UploadedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_OneTimePreKeys", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_OneTimePreKeys_UserCryptoSessions_UserCryptoSessionId",
-                        column: x => x.UserCryptoSessionId,
-                        principalTable: "UserCryptoSessions",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.CreateTable(
-                name: "SignedPreKeys",
-                columns: table => new
-                {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserCryptoSessionId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    PublicSignedPreKey = table.Column<byte[]>(type: "longblob", nullable: false),
-                    SignedPreKeySignature = table.Column<byte[]>(type: "longblob", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_SignedPreKeys", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_SignedPreKeys_UserCryptoSessions_UserCryptoSessionId",
-                        column: x => x.UserCryptoSessionId,
-                        principalTable: "UserCryptoSessions",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_OneTimePreKeys_UploadedAt",
-                table: "OneTimePreKeys",
-                column: "UploadedAt");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_OneTimePreKeys_UserCryptoSessionId_IsUsed",
-                table: "OneTimePreKeys",
-                columns: new[] { "UserCryptoSessionId", "IsUsed" });
-
-            migrationBuilder.CreateIndex(
-                name: "IX_SignedPreKeys_UserCryptoSessionId",
-                table: "SignedPreKeys",
-                column: "UserCryptoSessionId",
-                unique: true);
-
-            migrationBuilder.CreateIndex(
-                name: "IX_UserCryptoSessions_UserSessionId",
-                table: "UserCryptoSessions",
-                column: "UserSessionId",
-                unique: true);
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "OneTimePreKeys");
-
-            migrationBuilder.DropTable(
-                name: "SignedPreKeys");
-
-            migrationBuilder.DropTable(
-                name: "UserCryptoSessions");
-
-            migrationBuilder.DropColumn(
-                name: "MemberSince",
-                table: "GroupMemberships");
-
-            migrationBuilder.AlterColumn<string>(
-                name: "DeviceInfo",
-                table: "UserSessions",
-                type: "varchar(200)",
-                maxLength: 200,
-                nullable: false,
-                oldClrType: typeof(string),
-                oldType: "varchar(256)",
-                oldMaxLength: 256)
-                .Annotation("MySql:CharSet", "utf8mb4")
-                .OldAnnotation("MySql:CharSet", "utf8mb4");
-
-            migrationBuilder.AlterColumn<Guid>(
-                name: "InvitationId",
-                table: "GroupMemberships",
-                type: "char(36)",
-                nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"),
-                collation: "ascii_general_ci",
-                oldClrType: typeof(Guid),
-                oldType: "char(36)",
-                oldNullable: true)
-                .OldAnnotation("Relational:Collation", "ascii_general_ci");
-        }
-    }
-}

Govor.Data/Migrations/20251019125424_InitialCreate.Designer.cs

@@ -3,17 +3,17 @@ using System;
 using Govor.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
 
 namespace Govor.Data.Migrations
 {
     [DbContext(typeof(GovorDbContext))]
-    [Migration("20250730142221_CryptKeys")]
-    partial class CryptKeys
+    [Migration("20251019125424_InitialCreate")]
+    partial class InitialCreate
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -21,34 +21,34 @@ namespace Govor.Data.Migrations
 #pragma warning disable 612, 618
             modelBuilder
                 .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
             modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
+                        .HasColumnType("character varying(100)");
 
                     b.HasKey("Id");
 
@@ -59,16 +59,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("Status")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -83,13 +83,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -102,32 +102,32 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("InvitationCode")
                         .IsRequired()
                         .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
+                        .HasColumnType("character varying(200)");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -142,22 +142,22 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("InvitationId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<DateTime>("MemberSince")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -172,30 +172,30 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Code")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -206,26 +206,26 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("MediaType")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("MineType")
                         .IsRequired()
                         .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
+                        .HasColumnType("character varying(128)");
 
                     b.Property<Guid>("UploaderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Url")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.HasKey("Id");
 
@@ -236,13 +236,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -257,38 +257,38 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("ChatGroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("EncryptedContent")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("RecipientType")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -303,21 +303,21 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("ReactionCode")
                         .IsRequired()
                         .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
+                        .HasColumnType("character varying(64)");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -333,16 +333,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -356,13 +356,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -372,7 +372,7 @@ namespace Govor.Data.Migrations
             modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
                 {
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("UserId");
 
@@ -383,22 +383,22 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsUsed")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("tinyint(1)")
+                        .HasColumnType("boolean")
                         .HasDefaultValue(false);
 
                     b.Property<byte[]>("PublicKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<DateTime>("UploadedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("UserCryptoSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -413,18 +413,18 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<byte[]>("PublicSignedPreKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<byte[]>("SignedPreKeySignature")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<Guid>("UserCryptoSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -438,14 +438,14 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<byte[]>("PublicIdentityKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<Guid>("UserSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -459,31 +459,31 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateOnly>("CreatedOn")
                         .HasColumnType("date");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("PasswordHash")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("Username")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -496,28 +496,28 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("DeviceInfo")
                         .IsRequired()
                         .HasMaxLength(256)
-                        .HasColumnType("varchar(256)");
+                        .HasColumnType("character varying(256)");
 
                     b.Property<DateTime>("ExpiresAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<bool>("IsRevoked")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<string>("RefreshToken")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 

Govor.Data/Migrations/20251019125424_InitialCreate.cs

@@ -11,89 +11,76 @@ namespace Govor.Data.Migrations
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.AlterDatabase()
-                .Annotation("MySql:CharSet", "utf8mb4");
-
             migrationBuilder.CreateTable(
                 name: "ChatGroups",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    Name = table.Column<string>(type: "varchar(100)", maxLength: 100, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    Description = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    ImageId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    IsChannel = table.Column<bool>(type: "tinyint(1)", nullable: false),
-                    IsPrivate = table.Column<bool>(type: "tinyint(1)", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    Description = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
+                    ImageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    IsChannel = table.Column<bool>(type: "boolean", nullable: false),
+                    IsPrivate = table.Column<bool>(type: "boolean", nullable: false)
                 },
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_ChatGroups", x => x.Id);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "Invitations",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    IsAdmin = table.Column<bool>(type: "tinyint(1)", nullable: false),
-                    IsActive = table.Column<bool>(type: "tinyint(1)", nullable: false),
-                    Code = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    Description = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    DateCreated = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    EndDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    MaxParticipants = table.Column<int>(type: "int", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    IsAdmin = table.Column<bool>(type: "boolean", nullable: false),
+                    IsActive = table.Column<bool>(type: "boolean", nullable: false),
+                    Code = table.Column<string>(type: "text", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    DateCreated = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    EndDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    MaxParticipants = table.Column<int>(type: "integer", nullable: false)
                 },
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_Invitations", x => x.Id);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "MediaFiles",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    Url = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    MediaType = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    MineType = table.Column<string>(type: "varchar(128)", maxLength: 128, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    DateCreated = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UploaderId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Url = table.Column<string>(type: "text", nullable: false),
+                    MediaType = table.Column<string>(type: "text", nullable: false),
+                    MineType = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false),
+                    DateCreated = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                 },
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_MediaFiles", x => x.Id);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "PrivateChats",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserAId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserBId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserAId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserBId = table.Column<Guid>(type: "uuid", nullable: false)
                 },
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_PrivateChats", x => x.Id);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "GroupAdmins",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    GroupId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    GroupId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -104,24 +91,20 @@ namespace Govor.Data.Migrations
                         principalTable: "ChatGroups",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "Users",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    Username = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    Description = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    PasswordHash = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    IconId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Username = table.Column<string>(type: "text", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    PasswordHash = table.Column<string>(type: "text", nullable: false),
+                    IconId = table.Column<Guid>(type: "uuid", nullable: false),
                     CreatedOn = table.Column<DateOnly>(type: "date", nullable: false),
-                    WasOnline = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    InviteId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                    WasOnline = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    InviteId = table.Column<Guid>(type: "uuid", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -132,41 +115,44 @@ namespace Govor.Data.Migrations
                         principalTable: "Invitations",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "Messages",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    SenderId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    RecipientId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    RecipientType = table.Column<int>(type: "int", nullable: false),
-                    EncryptedContent = table.Column<string>(type: "longtext", nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    SentAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    IsEdited = table.Column<bool>(type: "tinyint(1)", nullable: false),
-                    EditedAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
-                    ReplyToMessageId = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci"),
-                    PrivateChatId = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci")
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    SenderId = table.Column<Guid>(type: "uuid", nullable: false),
+                    RecipientId = table.Column<Guid>(type: "uuid", nullable: false),
+                    RecipientType = table.Column<int>(type: "integer", nullable: false),
+                    EncryptedContent = table.Column<string>(type: "text", nullable: false),
+                    SentAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsEdited = table.Column<bool>(type: "boolean", nullable: false),
+                    EditedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    ReplyToMessageId = table.Column<Guid>(type: "uuid", nullable: true),
+                    ChatGroupId = table.Column<Guid>(type: "uuid", nullable: true),
+                    PrivateChatId = table.Column<Guid>(type: "uuid", nullable: true)
                 },
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_Messages", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Messages_ChatGroups_ChatGroupId",
+                        column: x => x.ChatGroupId,
+                        principalTable: "ChatGroups",
+                        principalColumn: "Id");
                     table.ForeignKey(
                         name: "FK_Messages_PrivateChats_PrivateChatId",
                         column: x => x.PrivateChatId,
                         principalTable: "PrivateChats",
                         principalColumn: "Id");
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "Admins",
                 columns: table => new
                 {
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -177,17 +163,16 @@ namespace Govor.Data.Migrations
                         principalTable: "Users",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "Friendships",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    RequesterId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    AddresseeId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    Status = table.Column<int>(type: "int", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    RequesterId = table.Column<Guid>(type: "uuid", nullable: false),
+                    AddresseeId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -204,23 +189,20 @@ namespace Govor.Data.Migrations
                         principalTable: "Users",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Restrict);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "GroupInvitations",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    GroupId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserMakerId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    InvitationCode = table.Column<string>(type: "varchar(200)", maxLength: 200, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    Description = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    EndDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
-                    MaxParticipants = table.Column<int>(type: "int", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    GroupId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserMakerId = table.Column<Guid>(type: "uuid", nullable: false),
+                    InvitationCode = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
+                    Description = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
+                    EndDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    MaxParticipants = table.Column<int>(type: "integer", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -237,16 +219,38 @@ namespace Govor.Data.Migrations
                         principalTable: "Users",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Restrict);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "UserSessions",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    RefreshToken = table.Column<string>(type: "text", nullable: false),
+                    DeviceInfo = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsRevoked = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UserSessions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_UserSessions_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
 
             migrationBuilder.CreateTable(
                 name: "MediaAttachments",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    MessageId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    MediaFileId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci")
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    MediaFileId = table.Column<Guid>(type: "uuid", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -263,19 +267,17 @@ namespace Govor.Data.Migrations
                         principalTable: "Messages",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "MessageReactions",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    MessageId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    ReactionCode = table.Column<string>(type: "varchar(64)", maxLength: 64, nullable: false)
-                        .Annotation("MySql:CharSet", "utf8mb4"),
-                    ReactedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ReactionCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    ReactedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -292,17 +294,16 @@ namespace Govor.Data.Migrations
                         principalTable: "Users",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "MessageViews",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    MessageId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    ViewedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ViewedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -313,18 +314,18 @@ namespace Govor.Data.Migrations
                         principalTable: "Messages",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.Cascade);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
 
             migrationBuilder.CreateTable(
                 name: "GroupMemberships",
                 columns: table => new
                 {
-                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    GroupId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    UserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
-                    InvitationId = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci"),
-                    IsBanned = table.Column<bool>(type: "tinyint(1)", nullable: false)
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    GroupId = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    InvitationId = table.Column<Guid>(type: "uuid", nullable: true),
+                    IsBanned = table.Column<bool>(type: "boolean", nullable: false),
+                    MemberSince = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                 },
                 constraints: table =>
                 {
@@ -341,8 +342,67 @@ namespace Govor.Data.Migrations
                         principalTable: "GroupInvitations",
                         principalColumn: "Id",
                         onDelete: ReferentialAction.SetNull);
-                })
-                .Annotation("MySql:CharSet", "utf8mb4");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "UserCryptoSessions",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserSessionId = table.Column<Guid>(type: "uuid", nullable: false),
+                    PublicIdentityKey = table.Column<byte[]>(type: "bytea", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UserCryptoSessions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_UserCryptoSessions_UserSessions_UserSessionId",
+                        column: x => x.UserSessionId,
+                        principalTable: "UserSessions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "OneTimePreKeys",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserCryptoSessionId = table.Column<Guid>(type: "uuid", nullable: false),
+                    PublicKey = table.Column<byte[]>(type: "bytea", nullable: false),
+                    IsUsed = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
+                    UploadedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OneTimePreKeys", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_OneTimePreKeys_UserCryptoSessions_UserCryptoSessionId",
+                        column: x => x.UserCryptoSessionId,
+                        principalTable: "UserCryptoSessions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "SignedPreKeys",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    UserCryptoSessionId = table.Column<Guid>(type: "uuid", nullable: false),
+                    PublicSignedPreKey = table.Column<byte[]>(type: "bytea", nullable: false),
+                    SignedPreKeySignature = table.Column<byte[]>(type: "bytea", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_SignedPreKeys", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_SignedPreKeys_UserCryptoSessions_UserCryptoSessionId",
+                        column: x => x.UserCryptoSessionId,
+                        principalTable: "UserCryptoSessions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
 
             migrationBuilder.CreateIndex(
                 name: "IX_Friendships_AddresseeId",
@@ -400,6 +460,11 @@ namespace Govor.Data.Migrations
                 table: "MessageReactions",
                 column: "UserId");
 
+            migrationBuilder.CreateIndex(
+                name: "IX_Messages_ChatGroupId",
+                table: "Messages",
+                column: "ChatGroupId");
+
             migrationBuilder.CreateIndex(
                 name: "IX_Messages_PrivateChatId",
                 table: "Messages",
@@ -411,10 +476,37 @@ namespace Govor.Data.Migrations
                 columns: new[] { "MessageId", "UserId" },
                 unique: true);
 
+            migrationBuilder.CreateIndex(
+                name: "IX_OneTimePreKeys_UploadedAt",
+                table: "OneTimePreKeys",
+                column: "UploadedAt");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OneTimePreKeys_UserCryptoSessionId_IsUsed",
+                table: "OneTimePreKeys",
+                columns: new[] { "UserCryptoSessionId", "IsUsed" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SignedPreKeys_UserCryptoSessionId",
+                table: "SignedPreKeys",
+                column: "UserCryptoSessionId",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserCryptoSessions_UserSessionId",
+                table: "UserCryptoSessions",
+                column: "UserSessionId",
+                unique: true);
+
             migrationBuilder.CreateIndex(
                 name: "IX_Users_InviteId",
                 table: "Users",
                 column: "InviteId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserSessions_UserId",
+                table: "UserSessions",
+                column: "UserId");
         }
 
         /// <inheritdoc />
@@ -441,6 +533,12 @@ namespace Govor.Data.Migrations
             migrationBuilder.DropTable(
                 name: "MessageViews");
 
+            migrationBuilder.DropTable(
+                name: "OneTimePreKeys");
+
+            migrationBuilder.DropTable(
+                name: "SignedPreKeys");
+
             migrationBuilder.DropTable(
                 name: "GroupInvitations");
 
@@ -450,14 +548,20 @@ namespace Govor.Data.Migrations
             migrationBuilder.DropTable(
                 name: "Messages");
 
+            migrationBuilder.DropTable(
+                name: "UserCryptoSessions");
+
             migrationBuilder.DropTable(
                 name: "ChatGroups");
 
             migrationBuilder.DropTable(
-                name: "Users");
+                name: "PrivateChats");
 
             migrationBuilder.DropTable(
-                name: "PrivateChats");
+                name: "UserSessions");
+
+            migrationBuilder.DropTable(
+                name: "Users");
 
             migrationBuilder.DropTable(
                 name: "Invitations");

Govor.Data/Migrations/20251103060801_MediaOwnerTypeAdded.Designer.cs

@@ -3,17 +3,17 @@ using System;
 using Govor.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
 
 namespace Govor.Data.Migrations
 {
     [DbContext(typeof(GovorDbContext))]
-    [Migration("20250718130008_usersessions")]
-    partial class usersessions
+    [Migration("20251103060801_MediaOwnerTypeAdded")]
+    partial class MediaOwnerTypeAdded
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -21,34 +21,34 @@ namespace Govor.Data.Migrations
 #pragma warning disable 612, 618
             modelBuilder
                 .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
             modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
+                        .HasColumnType("character varying(100)");
 
                     b.HasKey("Id");
 
@@ -59,16 +59,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("Status")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -83,13 +83,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -102,32 +102,32 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("InvitationCode")
                         .IsRequired()
                         .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
+                        .HasColumnType("character varying(200)");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -142,20 +142,22 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("InvitationId")
-                        .IsRequired()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTime>("MemberSince")
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -170,30 +172,30 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Code")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -204,26 +206,32 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("MediaType")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("MineType")
                         .IsRequired()
                         .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<Guid?>("OwnerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("OwnerType")
+                        .HasColumnType("integer");
 
                     b.Property<Guid>("UploaderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Url")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.HasKey("Id");
 
@@ -234,13 +242,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -255,38 +263,38 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("ChatGroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("EncryptedContent")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("RecipientType")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -301,21 +309,21 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("ReactionCode")
                         .IsRequired()
                         .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
+                        .HasColumnType("character varying(64)");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -331,16 +339,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -354,92 +362,134 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
                     b.ToTable("PrivateChats");
                 });
 
-            modelBuilder.Entity("Govor.Core.Models.UserSession", b =>
-                {
-                    b.Property<Guid>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
-
-                    b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<string>("DeviceInfo")
-                        .IsRequired()
-                        .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
-
-                    b.Property<DateTime>("ExpiresAt")
-                        .HasColumnType("datetime(6)");
-
-                    b.Property<bool>("IsRevoked")
-                        .HasColumnType("tinyint(1)");
-
-                    b.Property<string>("RefreshToken")
-                        .IsRequired()
-                        .HasColumnType("longtext");
-
-                    b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("UserSessions");
-                });
-
             modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
                 {
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("UserId");
 
                     b.ToTable("Admins");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.OneTimePreKey", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsUsed")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false);
+
+                    b.Property<byte[]>("PublicKey")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<DateTime>("UploadedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("UserCryptoSessionId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UploadedAt");
+
+                    b.HasIndex("UserCryptoSessionId", "IsUsed");
+
+                    b.ToTable("OneTimePreKeys");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.SignedPreKey", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("PublicSignedPreKey")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<byte[]>("SignedPreKeySignature")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("UserCryptoSessionId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserCryptoSessionId")
+                        .IsUnique();
+
+                    b.ToTable("SignedPreKeys");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.UserCryptoSession", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("PublicIdentityKey")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<Guid>("UserSessionId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserSessionId")
+                        .IsUnique();
+
+                    b.ToTable("UserCryptoSessions");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateOnly>("CreatedOn")
                         .HasColumnType("date");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("PasswordHash")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("Username")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -448,6 +498,40 @@ namespace Govor.Data.Migrations
                     b.ToTable("Users");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Users.UserSession", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("DeviceInfo")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsRevoked")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("RefreshToken")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("UserSessions");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.Friendship", b =>
                 {
                     b.HasOne("Govor.Core.Models.Users.User", "Addressee")
@@ -504,8 +588,7 @@ namespace Govor.Data.Migrations
                     b.HasOne("Govor.Core.Models.GroupInvitation", null)
                         .WithMany()
                         .HasForeignKey("InvitationId")
-                        .OnDelete(DeleteBehavior.SetNull)
-                        .IsRequired();
+                        .OnDelete(DeleteBehavior.SetNull);
                 });
 
             modelBuilder.Entity("Govor.Core.Models.Messages.MediaAttachments", b =>
@@ -566,15 +649,6 @@ namespace Govor.Data.Migrations
                         .IsRequired();
                 });
 
-            modelBuilder.Entity("Govor.Core.Models.UserSession", b =>
-                {
-                    b.HasOne("Govor.Core.Models.Users.User", null)
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-                });
-
             modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
                 {
                     b.HasOne("Govor.Core.Models.Users.User", "User")
@@ -586,6 +660,39 @@ namespace Govor.Data.Migrations
                     b.Navigation("User");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.OneTimePreKey", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Users.Crypto.UserCryptoSession", "UserCryptoSession")
+                        .WithMany("OneTimePreKeys")
+                        .HasForeignKey("UserCryptoSessionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("UserCryptoSession");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.SignedPreKey", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Users.Crypto.UserCryptoSession", "UserCryptoSession")
+                        .WithOne("SignedPreKey")
+                        .HasForeignKey("Govor.Core.Models.Users.Crypto.SignedPreKey", "UserCryptoSessionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("UserCryptoSession");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.UserCryptoSession", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Users.UserSession", "UserSession")
+                        .WithOne("CryptoSession")
+                        .HasForeignKey("Govor.Core.Models.Users.Crypto.UserCryptoSession", "UserSessionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("UserSession");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
                 {
                     b.HasOne("Govor.Core.Models.Invitation", "Invite")
@@ -597,6 +704,15 @@ namespace Govor.Data.Migrations
                     b.Navigation("Invite");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Users.UserSession", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Users.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
             modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
                 {
                     b.Navigation("Admins");
@@ -627,12 +743,26 @@ namespace Govor.Data.Migrations
                     b.Navigation("Messages");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Users.Crypto.UserCryptoSession", b =>
+                {
+                    b.Navigation("OneTimePreKeys");
+
+                    b.Navigation("SignedPreKey")
+                        .IsRequired();
+                });
+
             modelBuilder.Entity("Govor.Core.Models.Users.User", b =>
                 {
                     b.Navigation("ReceivedFriendRequests");
 
                     b.Navigation("SentFriendRequests");
                 });
+
+            modelBuilder.Entity("Govor.Core.Models.Users.UserSession", b =>
+                {
+                    b.Navigation("CryptoSession")
+                        .IsRequired();
+                });
 #pragma warning restore 612, 618
         }
     }

Govor.Data/Migrations/20251103060801_MediaOwnerTypeAdded.cs

@@ -6,25 +6,34 @@ using Microsoft.EntityFrameworkCore.Migrations;
 namespace Govor.Data.Migrations
 {
     /// <inheritdoc />
-    public partial class AddUploaderIdToMediaFile : Migration
+    public partial class MediaOwnerTypeAdded : Migration
     {
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
         {
             migrationBuilder.AddColumn<Guid>(
-                name: "UploaderId",
+                name: "OwnerId",
                 table: "MediaFiles",
-                type: "char(36)",
+                type: "uuid",
+                nullable: true);
+
+            migrationBuilder.AddColumn<int>(
+                name: "OwnerType",
+                table: "MediaFiles",
+                type: "integer",
                 nullable: false,
-                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"),
-                collation: "ascii_general_ci");
+                defaultValue: 0);
         }
 
         /// <inheritdoc />
         protected override void Down(MigrationBuilder migrationBuilder)
         {
             migrationBuilder.DropColumn(
-                name: "UploaderId",
+                name: "OwnerId",
+                table: "MediaFiles");
+
+            migrationBuilder.DropColumn(
+                name: "OwnerType",
                 table: "MediaFiles");
         }
     }

Govor.Data/Migrations/GovorDbContextModelSnapshot.cs

@@ -3,8 +3,8 @@ using System;
 using Govor.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
 
@@ -18,34 +18,34 @@ namespace Govor.Data.Migrations
 #pragma warning disable 612, 618
             modelBuilder
                 .HasAnnotation("ProductVersion", "8.0.6")
-                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
-            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
             modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<Guid>("ImageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsChannel")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsPrivate")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<string>("Name")
                         .IsRequired()
                         .HasMaxLength(100)
-                        .HasColumnType("varchar(100)");
+                        .HasColumnType("character varying(100)");
 
                     b.HasKey("Id");
 
@@ -56,16 +56,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("AddresseeId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RequesterId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("Status")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -80,13 +80,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -99,32 +99,32 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasMaxLength(500)
-                        .HasColumnType("varchar(500)");
+                        .HasColumnType("character varying(500)");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("InvitationCode")
                         .IsRequired()
                         .HasMaxLength(200)
-                        .HasColumnType("varchar(200)");
+                        .HasColumnType("character varying(200)");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid>("UserMakerId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -139,22 +139,22 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("GroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("InvitationId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsBanned")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<DateTime>("MemberSince")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -169,30 +169,30 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Code")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("EndDate")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<bool>("IsActive")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<bool>("IsAdmin")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<int>("MaxParticipants")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.HasKey("Id");
 
@@ -203,26 +203,32 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("DateCreated")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("MediaType")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("MineType")
                         .IsRequired()
                         .HasMaxLength(128)
-                        .HasColumnType("varchar(128)");
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<Guid?>("OwnerId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("OwnerType")
+                        .HasColumnType("integer");
 
                     b.Property<Guid>("UploaderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("Url")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.HasKey("Id");
 
@@ -233,13 +239,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MediaFileId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -254,38 +260,38 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid?>("ChatGroupId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime?>("EditedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("EncryptedContent")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<bool>("IsEdited")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<Guid?>("PrivateChatId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("RecipientId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<int>("RecipientType")
-                        .HasColumnType("int");
+                        .HasColumnType("integer");
 
                     b.Property<Guid?>("ReplyToMessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("SenderId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("SentAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -300,21 +306,21 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ReactedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("ReactionCode")
                         .IsRequired()
                         .HasMaxLength(64)
-                        .HasColumnType("varchar(64)");
+                        .HasColumnType("character varying(64)");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -330,16 +336,16 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("MessageId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("ViewedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -353,13 +359,13 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserAId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("UserBId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -369,7 +375,7 @@ namespace Govor.Data.Migrations
             modelBuilder.Entity("Govor.Core.Models.Users.Admin", b =>
                 {
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("UserId");
 
@@ -380,22 +386,22 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<bool>("IsUsed")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("tinyint(1)")
+                        .HasColumnType("boolean")
                         .HasDefaultValue(false);
 
                     b.Property<byte[]>("PublicKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<DateTime>("UploadedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<Guid>("UserCryptoSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -410,18 +416,18 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<byte[]>("PublicSignedPreKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<byte[]>("SignedPreKeySignature")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<Guid>("UserCryptoSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -435,14 +441,14 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<byte[]>("PublicIdentityKey")
                         .IsRequired()
-                        .HasColumnType("longblob");
+                        .HasColumnType("bytea");
 
                     b.Property<Guid>("UserSessionId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 
@@ -456,31 +462,31 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateOnly>("CreatedOn")
                         .HasColumnType("date");
 
                     b.Property<string>("Description")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<Guid>("IconId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<Guid>("InviteId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<string>("PasswordHash")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<string>("Username")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<DateTime>("WasOnline")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.HasKey("Id");
 
@@ -493,28 +499,28 @@ namespace Govor.Data.Migrations
                 {
                     b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.Property<DateTime>("CreatedAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("DeviceInfo")
                         .IsRequired()
                         .HasMaxLength(256)
-                        .HasColumnType("varchar(256)");
+                        .HasColumnType("character varying(256)");
 
                     b.Property<DateTime>("ExpiresAt")
-                        .HasColumnType("datetime(6)");
+                        .HasColumnType("timestamp with time zone");
 
                     b.Property<bool>("IsRevoked")
-                        .HasColumnType("tinyint(1)");
+                        .HasColumnType("boolean");
 
                     b.Property<string>("RefreshToken")
                         .IsRequired()
-                        .HasColumnType("longtext");
+                        .HasColumnType("text");
 
                     b.Property<Guid>("UserId")
-                        .HasColumnType("char(36)");
+                        .HasColumnType("uuid");
 
                     b.HasKey("Id");
 

Govor.Data/Repositories/AdminsRepository.cs

@@ -64,6 +64,8 @@ public class AdminsRepository(GovorDbContext context, IObjectValidator<Admin> va
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found admin by given id {admin.UserId}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/FriendshipsRepository.cs

@@ -87,6 +87,8 @@ public class FriendshipsRepository : IFriendshipsRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found friendship by given id {friendship.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/GroupRepository.cs

@@ -117,6 +117,8 @@ public class GroupRepository : IGroupsRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found group by given id {group.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/InvitesRepository.cs

@@ -100,6 +100,8 @@ public class InvitesRepository : IInvitesRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found invitation by given id {invitation.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/MediaAttachmentsRepository.cs

@@ -82,6 +82,8 @@ public class MediaAttachmentsRepository : IMediaAttachmentsRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found attachments by given id {attachments.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/MessagesRepository.cs

@@ -128,6 +128,8 @@ public class MessagesRepository : IMessagesRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found message by given id {message.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/PrivateChatsRepository.cs

@@ -77,6 +77,8 @@ public class PrivateChatsRepository : IPrivateChatsRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found private chat by given id {chat.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/UserSessionsRepository.cs

@@ -102,6 +102,8 @@ public class UserSessionsRepository : IUserSessionsRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found user session by given id {userSession.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {

Govor.Data/Repositories/UsersRepository.cs

@@ -162,6 +162,8 @@ public class UsersRepository : IUsersRepository
 
             if (rowsAffected == 0)
                 throw new UpdateException($"Not found user by given id {user.Id}");
+
+            await _context.SaveChangesAsync();
         }
         catch (Exception ex)
         {