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

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);
         }