Registration rework

+ InvitesRepository
+ AdminsRepository
+ rework jwt

Govor.API.Tests/IntegrationTests/EF/Repositories/AdminsRepositoryTests.cs

@@ -0,0 +1,48 @@
+using AutoFixture;
+using Govor.Core.Models;
+using Govor.Data;
+using Govor.Data.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+
+namespace Govor.API.Tests.IntegrationTests.EF.Repositories;
+
+[TestFixture]
+public class AdminsRepositoryTests
+{ 
+    private Fixture _fixture;
+    private DbContextOptions<GovorDbContext> _options;
+    private int _testIteration = 0;
+
+    [SetUp]
+    public void Setup()
+    {
+        _fixture = new Fixture();
+        
+        _options = new DbContextOptionsBuilder<GovorDbContext>()
+            .UseInMemoryDatabase(databaseName: $"DbGovor_{nameof(AdminsRepositoryTests)}_{_testIteration}")
+            .Options;
+    }
+    
+    [Test]
+    public async Task Given_NotEmptyDbSet_When_GetAllAsync_Then_Admins_Are_Returned()
+    {
+        // Arrange 
+        var random = new Random();
+        var admins = _fixture.CreateMany<Admin>(random.Next(3, 10)).ToList();
+
+        await using var context = new GovorDbContext(_options);
+        var repository = new AdminsRepository(context);
+        
+        context.AddRange(admins);
+        await context.SaveChangesAsync();
+        
+        // Act 
+        var result = await repository.GetAllAsync();
+        
+        // Assert 
+        Assert.That(result, Is.Not.Null);
+        Assert.That(result.Count(), Is.EqualTo(admins.Count()));
+        Assert.That(result.Select(r => r.UserId), Is.EquivalentTo(admins.Select(r => r.UserId)));
+    }
+}

Govor.API.Tests/UnitTests/Services/AuthServiceTests.cs

@@ -4,6 +4,8 @@ using Govor.Core.Infrastructure.Extensions;
 using Govor.Core.Models;
 using Govor.Core.Repositories.Users;
 using Govor.API.Services.Authentication.Interfaces;
+using Govor.Core.Repositories.Admins;
+using Govor.Core.Repositories.Invaites;
 using Moq;
 
 namespace Govor.API.Tests.UnitTests.Services;
@@ -15,6 +17,9 @@ public class AuthServiceTests
     private Mock<IPasswordHasher> _passwordHasherMock;
     private Mock<IJwtService> _jwtServiceMock;
     private Mock<IUsersRepository> _usersRepositoryMock;
+    private Mock<IAdminsRepository> _adminsRepositoryMock;
+    private Mock<IInvitesRepository> _invitesRepositoryMock;
+    
     private IAccountService _accountService;
     
     [SetUp]
@@ -29,7 +34,9 @@ public class AuthServiceTests
         _accountService = new AuthService(
             _usersRepositoryMock.Object,
             _jwtServiceMock.Object,
-            _passwordHasherMock.Object
+            _passwordHasherMock.Object,
+            _invitesRepositoryMock.Object,
+            _adminsRepositoryMock.Object
             );
     }
     
@@ -41,7 +48,7 @@ public class AuthServiceTests
         
         // Act & Assert 
         Assert.ThrowsAsync<UserAlreadyExistException>(async () => await _accountService.RegistrationAsync(
-            _fixture.Create<string>(), _fixture.Create<string>()));
+            _fixture.Create<string>(), _fixture.Create<string>(), _fixture.Create<string>()));
     }
 
     [Test]
@@ -52,7 +59,7 @@ public class AuthServiceTests
         
         // Act & Assert 
         Assert.DoesNotThrowAsync(async () => await _accountService.RegistrationAsync(
-            _fixture.Create<string>(), _fixture.Create<string>()));
+            _fixture.Create<string>(), _fixture.Create<string>(), _fixture.Create<string>()));
     }
     
     [Test]

Govor.API/Controllers/AuthController.cs

@@ -20,7 +20,7 @@ public class AuthController : Controller
     
     [HttpPost("register")]// api/auth/register
     [RequireHttps] 
-    public async Task<IActionResult> Register([FromBody] UserDto userDto)
+    public async Task<IActionResult> Register([FromBody] RegistrationDto registrationDto)
     {
         try
         {
@@ -29,25 +29,25 @@ public class AuthController : Controller
                 return BadRequest(ModelState);
             }
 
-            var token = await _accountService.RegistrationAsync(userDto.Name, userDto.Password);
-            _logger.LogInformation($"Register request for {userDto.Name}");
+            var token = await _accountService.RegistrationAsync(registrationDto.Name, registrationDto.Password, registrationDto.InviteLink);
+            _logger.LogInformation($"Register request for {registrationDto.Name}");
             return Ok(new { token });
         }
         catch (UserAlreadyExistException ex)
         {
-            _logger.LogWarning(ex, $"Registration failed for user {userDto.Name}");
+            _logger.LogWarning(ex, $"Registration failed for user {registrationDto.Name}");
             return BadRequest("Registration failed: user already exists.");
         }
         catch (Exception ex)
         {
-            _logger.LogError(ex, "Unexpected error during registration for user {Name}", userDto.Name);
+            _logger.LogError(ex, "Unexpected error during registration for user {Name}", registrationDto.Name);
             return StatusCode(500, "An unexpected error occurred. Please try again later.");
         }
     }
     
     [HttpPost("login")]// api/auth/login
     [RequireHttps] 
-    public async Task<IActionResult> Login([FromBody] UserDto userDto)
+    public async Task<IActionResult> Login([FromBody] LoginDto userDto)
     {
         try
         {

Govor.API/Controllers/UsersController.cs

@@ -7,7 +7,7 @@ namespace Govor.API.Controllers;
 
 [ApiController] 
 [Route("api/admin/[controller]")]
-//[Authorize(Roles = "Admin")]
+[Authorize(Roles = "Admin")]
 public class UsersController : Controller
 {
     private readonly ILogger<UsersController> _logger;

Govor.API/Program.cs

@@ -1,3 +1,4 @@
+using System.Security.Cryptography;
 using System.Text;
 using Govor.API.Hubs;
 using Govor.API.Services;
@@ -8,6 +9,8 @@ using Govor.API.Services.Authentication.Interfaces;
 using Govor.Core.Infrastructure.Extensions;
 using Govor.Core.Infrastructure.Validators;
 using Govor.Core.Models;
+using Govor.Core.Repositories.Admins;
+using Govor.Core.Repositories.Invaites;
 using Govor.Core.Repositories.MediasAttachments;
 using Govor.Core.Repositories.Messages;
 using Govor.Core.Repositories.Users;
@@ -16,6 +19,7 @@ using Govor.Data.Repositories;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.OpenApi.Models;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -69,9 +73,6 @@ builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
 
 builder.Services.AddAuthorization(); 
 
-
-
-
 builder.Services.AddControllers();
 
 builder.Services.AddScoped<IPasswordHasher, PasswordHasher>();
@@ -84,6 +85,8 @@ builder.Services.AddScoped<IObjectValidator<MediaAttachments>, MediaAttachmentsV
 builder.Services.AddScoped<IMessagesRepository, MessagesRepository>();
 builder.Services.AddScoped<IMediaAttachmentsRepository, MediaAttachmentsRepository>();
 builder.Services.AddScoped<IUsersAdministration, UsersService>();
+builder.Services.AddScoped<IInvitesRepository, InvitesRepository>();
+builder.Services.AddScoped<IAdminsRepository, AdminsRepository>();
 
 builder.Services.AddDbContext<GovorDbContext>(
     options =>
@@ -93,7 +96,32 @@ builder.Services.AddDbContext<GovorDbContext>(
 );
 
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+
+builder.Services.AddSwaggerGen(options =>
+{
+    options.SwaggerDoc("v1", new OpenApiInfo { Title = "Govor API", Version = "v1" });
+    
+    options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
+    {
+        Description = "JWT Authorization header using the Bearer scheme. Example: 'Bearer {token}'",
+        Name = "Authorization",
+        In = ParameterLocation.Header,
+        Type = SecuritySchemeType.Http,
+        Scheme = "bearer"
+    });
+    
+    options.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = "Bearer" }
+            },
+            Array.Empty<string>()
+        }
+    });
+});
+
 //builder.Services.AddOpenApi();
 
 var app = builder.Build();
@@ -102,11 +130,12 @@ var app = builder.Build();
 if (app.Environment.IsDevelopment())
 {
     //app.MapOpenApi();
-
     app.UseSwagger();
     app.UseSwaggerUI();
 }
 
+
+
 app.UseHttpsRedirection();
 
 app.UseRouting();
@@ -117,6 +146,8 @@ app.UseAuthorization();
 app.MapControllers();
 app.MapHub<ChatsHub>("/api/chats"); 
 
+app.MapSwagger().RequireAuthorization();
+
 app.Map("/", () => "Not for browsers");
 
 app.Run();

Govor.API/Services/Authentication/AuthService.cs

@@ -4,6 +4,8 @@ using Govor.Core.Infrastructure.Extensions;
 using Govor.Core.Models;
 using Govor.Core.Repositories.Users;
 using Govor.API.Services;
+using Govor.Core.Repositories.Admins;
+using Govor.Core.Repositories.Invaites;
 
 
 namespace Govor.API.Services.Authentication;
@@ -13,38 +15,64 @@ public class AuthService : IAccountService
     private readonly IPasswordHasher _passwordHasher;
     private readonly IJwtService _jwtService;
     private readonly IUsersRepository _usersRepository;
+    private readonly IInvitesRepository _invitesRepository;
+    private readonly IAdminsRepository _adminsRepository;
     
-    public AuthService(IUsersRepository usersRepository, IJwtService jwtService, IPasswordHasher passwordHasher)
+    public AuthService(IUsersRepository usersRepository, 
+        IJwtService jwtService,
+        IPasswordHasher passwordHasher,
+        IInvitesRepository invitesRepository,
+        IAdminsRepository adminsRepository)
     {
         _usersRepository = usersRepository;
         _jwtService = jwtService;
         _passwordHasher = passwordHasher;
+        _invitesRepository = invitesRepository;
+        _adminsRepository = adminsRepository;
     }
     
-    public async Task<string> RegistrationAsync(string name, string password)
+    public async Task<string> RegistrationAsync(string name, string password, string inviteCode)
     {
+        // 1. Проверка существования имени
         if (await _usersRepository.ExistsUsernameAsync(name))
             throw new UserAlreadyExistException(name);
 
+        // 2. Проверка валидности инвайта
+        var invite = await _invitesRepository.GetByCodeAsync(inviteCode);
+
+        // 3. Генерация пароля
         var passwordHash = _passwordHasher.Hash(password);
 
+        // 4. Создание пользователя
         var user = new User
         {
             Id = Guid.NewGuid(),
             Username = name,
-            Description = string.Empty,
             PasswordHash = passwordHash,
-            CreatedOn = DateOnly.FromDateTime(DateTime.Now),
+            Description = string.Empty,
+            CreatedOn = DateOnly.FromDateTime(DateTime.UtcNow),
             IconId = Guid.NewGuid(),
-            WasOnline = DateTime.UtcNow
-            //Role = role == "Admin" ? "Admin" : "User" // Ограничение ролей
+            WasOnline = DateTime.UtcNow,
+            InviteId = invite.Id
         };
 
+        // 5. Добавление пользователя
         await _usersRepository.AddAsync(user);
 
+        // 6. Назначение роли, если инвайт — админский
+        if (invite.IsAdmin)
+        {
+            await _adminsRepository.AddAsync(new Admin
+            {
+                UserId = user.Id
+            });
+        }
+
+        // 7. Генерация токена
         return _jwtService.GenerateJwtToken(user);
     }
 
+
     public async Task<string> LoginAsync(string name, string password)
     {
         if (await _usersRepository.ExistsUsernameAsync(name) == false)

Govor.API/Services/Authentication/Interfaces/IAuthService.cs

@@ -4,6 +4,6 @@ namespace Govor.API.Services.Authentication.Interfaces;
 
 public interface IAccountService
 {
-    public Task<string> RegistrationAsync(string name, string password);
+    public Task<string> RegistrationAsync(string name, string password, string inviteCode);
     public Task<string> LoginAsync(string name, string password);
 }

Govor.API/Services/Authentication/JwtService.cs

@@ -3,6 +3,8 @@ using System.Security.Claims;
 using System.Text;
 using Govor.API.Services.Authentication.Interfaces;
 using Govor.Core.Models;
+using Govor.Core.Repositories.Admins;
+using Govor.Core.Repositories.Invaites;
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
 
@@ -11,14 +13,22 @@ namespace Govor.API.Services.Authentication;
 public class JwtService : IJwtService
 {
     private JwtOption _jwtOption;
+    private IInvitesRepository _invitesRepository;
     
     public JwtService(IOptions<JwtOption> options)
     {
         _jwtOption = options.Value;
     }
+    
     public string GenerateJwtToken(User user)
     {
-        Claim[] claims = [new("userID", user.Id.ToString())];
+        var invite = _invitesRepository.GetByIdAsync(user.InviteId).Result;
+        
+        var claims = new[]
+        {
+            new Claim("userID", user.Id.ToString()),
+            new Claim(ClaimTypes.Role, invite.IsAdmin ? "Admin" : "User", ClaimValueTypes.String)
+        };
         
         var singing = new SigningCredentials(
             new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtOption.SecretKeу)),

Govor.Console/Program.cs

@@ -74,7 +74,7 @@ class Program
     {
         try
         {
-            UserDto loginData = new UserDto()
+            RegistrationDto loginData = new RegistrationDto()
             {
                 Name = username,
                 Password = password

Govor.Core/DTOs/LoginDto.cs

@@ -3,7 +3,7 @@ using Govor.Core.Infrastructure.Validators;
 
 namespace Govor.Core.DTOs;
 
-public record UserDto
+public class LoginDto
 {
     [Required]
     [StringLength(UserValidator.MAX_LENGHT_OF_NAME,

Govor.Core/DTOs/RegistrationDto.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+using Govor.Core.Infrastructure.Validators;
+
+namespace Govor.Core.DTOs;
+
+public record RegistrationDto
+{
+    [Required]
+    [StringLength(UserValidator.MAX_LENGHT_OF_NAME,
+        MinimumLength = UserValidator.MIN_LENGHT_OF_NAME, 
+        ErrorMessage = "Username must be between 4 and 50 characters.")]
+    public string Name { get; init; }
+    [Required]
+    [MinLength(8)]
+    public string Password { get; init; }
+    [MinLength(8)]
+    public string InviteLink { get; init; }
+}

Govor.Core/Models/Admin.cs

@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Govor.Core.Models;
+
+public class Admin
+{
+    [Key]
+    public Guid UserId { get; set; }
+    public User User { get; set; } = null!;
+}

Govor.Core/Models/Invitation.cs

@@ -0,0 +1,11 @@
+namespace Govor.Core.Models;
+
+public class Invitation
+{
+    public Guid Id { get; set; }
+    public bool IsAdmin { get; set; }
+    public DateTime DateCreated { get; set; }
+    public DateTime EndDate { get; set; }
+    public int MaxParticipants { get; set; }
+    public List<User> Users { get; set; } = new List<User>();
+}

Govor.Core/Models/User.cs

@@ -11,4 +11,6 @@ public class User
     public Guid IconId {get; set;} 
     public DateOnly CreatedOn {get; set;}
     public DateTime WasOnline {get; set;}
+    public Guid InviteId {get; set;}
+    public Invitation? Invite { get; set; }
 }

Govor.Core/Repositories/Admins/IAdminsExist.cs

@@ -0,0 +1,9 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Admins;
+
+public interface IAdminsExist
+{
+    bool Exist(Guid guid);
+    bool Exist(Admin admin);
+}

Govor.Core/Repositories/Admins/IAdminsReader.cs

@@ -0,0 +1,9 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Admins;
+
+public interface IAdminsReader
+{
+    Task<List<Admin>> GetAllAsync();
+    Task<Admin> GetByIdAsync(Guid id);
+}

Govor.Core/Repositories/Admins/IAdminsRepository.cs

@@ -0,0 +1,6 @@
+namespace Govor.Core.Repositories.Admins;
+
+public interface IAdminsRepository : IAdminsReader, IAdminsWriter, IAdminsExist
+{
+    
+}

Govor.Core/Repositories/Admins/IAdminsWriter.cs

@@ -0,0 +1,10 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Admins;
+
+public interface IAdminsWriter
+{
+    Task AddAsync(Admin admin);
+    Task UpdateAsync(Admin admin);
+    Task DeleteAsync(Guid admin);
+}

Govor.Core/Repositories/Invaites/IInvitesExist.cs

@@ -0,0 +1,9 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Invaites;
+
+public interface IInvitesExist
+{
+    bool Exist(Invitation invitation);
+    bool Exist(Guid guid);
+}

Govor.Core/Repositories/Invaites/IInvitesReader.cs

@@ -0,0 +1,11 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Invaites;
+
+public interface IInvitesReader
+{
+    Task<List<Invitation>> GetAllAsync();
+    Task<Invitation> GetByIdAsync(Guid id);
+    Task<Invitation> GetByCodeAsync(string code);
+    Task<List<Invitation>> GetAdminsInvitesAsync();
+}

Govor.Core/Repositories/Invaites/IInvitesRepository.cs

@@ -0,0 +1,6 @@
+namespace Govor.Core.Repositories.Invaites;
+
+public interface IInvitesRepository : IInvitesReader, IInvitesWriter, IInvitesExist
+{
+    
+}

Govor.Core/Repositories/Invaites/IInvitesWriter.cs

@@ -0,0 +1,10 @@
+using Govor.Core.Models;
+
+namespace Govor.Core.Repositories.Invaites;
+
+public interface IInvitesWriter
+{
+    Task AddAsync(Invitation invitation);
+    Task UpdateAsync(Invitation invitation);
+    Task RemoveAsync(Invitation invitation);
+}

Govor.Data/Configurations/AdminConfiguration.cs

@@ -0,0 +1,17 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class AdminConfiguration : IEntityTypeConfiguration<Admin>
+{
+    public void Configure(EntityTypeBuilder<Admin> builder)
+    {
+        builder.HasKey(a => a.UserId);
+
+        builder.HasOne(a => a.User)
+            .WithOne()
+            .HasForeignKey<Admin>(a => a.UserId);
+    }
+}

Govor.Data/Configurations/InvitationConfiguration.cs

@@ -0,0 +1,18 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class InvitationConfiguration : IEntityTypeConfiguration<Invitation>
+{
+    public void Configure(EntityTypeBuilder<Invitation> builder)
+    {
+        builder.HasKey(i => i.Id);
+        
+        builder.HasMany(i => i.Users)
+            .WithOne(u => u.Invite)
+            .HasForeignKey(u => u.InviteId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+}

Govor.Data/Configurations/UserConfiguration.cs

@@ -9,5 +9,9 @@ public class UserConfiguration : IEntityTypeConfiguration<User>
     public void Configure(EntityTypeBuilder<User> builder)
     {
         builder.HasKey(x => x.Id);
+
+        builder.HasOne(u => u.Invite)
+            .WithMany(i => i.Users)
+            .HasForeignKey(u => u.InviteId);
     }
 }

Govor.Data/GovorDbContext.cs

@@ -8,6 +8,9 @@ namespace Govor.Data;
 public class GovorDbContext(DbContextOptions<GovorDbContext> options) : DbContext(options)
 {
     public virtual DbSet<User> Users { get; set; }
+    public virtual DbSet<Admin> Admins { get; set; }
+    
+    public virtual DbSet<Invitation> Invitations { get; set; }
     
     public virtual DbSet<Message> Messages { get; set; }
     public virtual DbSet<MessageView> MessageViews { get; set; }
@@ -20,6 +23,9 @@ public class GovorDbContext(DbContextOptions<GovorDbContext> options) : DbContex
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
+        modelBuilder.ApplyConfiguration(new UserConfiguration());
+        modelBuilder.ApplyConfiguration(new InvitationConfiguration());
+        modelBuilder.ApplyConfiguration(new AdminConfiguration());
         modelBuilder.ApplyConfiguration(new MessagesConfiguration());
         modelBuilder.ApplyConfiguration(new MessageReactionConfiguration());
         modelBuilder.ApplyConfiguration(new MediaAttachmentsConfiguration());

Govor.Data/Migrations/20250624053837_FixAdminRelation.Designer.cs

@@ -0,0 +1,331 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Govor.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    [DbContext(typeof(GovorDbContext))]
+    [Migration("20250624053837_FixAdminRelation")]
+    partial class FixAdminRelation
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId");
+
+                    b.ToTable("Admins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<Guid>>("Admins")
+                        .IsRequired()
+                        .HasColumnType("uuid[]");
+
+                    b.PrimitiveCollection<List<string>>("InviteCode")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("IsChannel")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsPrivate")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ChatGroups");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupAdmins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupMemberships");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("EncryptedKey")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("FilePath")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MimeType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("MediaAttachments");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("EditedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("EncryptedContent")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsEdited")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("RecipientId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("RecipientType")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("ReplyToMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SenderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReplyToMessageId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ReactionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    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("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ViewedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("MessageViews");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateOnly>("CreatedOn")
+                        .HasColumnType("date");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("IconId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("WasOnline")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    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.MediaAttachments", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "Message")
+                        .WithMany("MediaAttachments")
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Message");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "ReplyToMessage")
+                        .WithMany()
+                        .HasForeignKey("ReplyToMessageId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("ReplyToMessage");
+                });
+
+            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.Message", b =>
+                {
+                    b.Navigation("MediaAttachments");
+
+                    b.Navigation("MessageViews");
+
+                    b.Navigation("Reactions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Govor.Data/Migrations/20250624053837_FixAdminRelation.cs

@@ -0,0 +1,39 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class FixAdminRelation : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Admins",
+                columns: table => new
+                {
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Admins", x => x.UserId);
+                    table.ForeignKey(
+                        name: "FK_Admins_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Admins");
+        }
+    }
+}

Govor.Data/Migrations/20250624071942_inviteAdd.Designer.cs

@@ -0,0 +1,375 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Govor.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    [DbContext(typeof(GovorDbContext))]
+    [Migration("20250624071942_inviteAdd")]
+    partial class inviteAdd
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId");
+
+                    b.ToTable("Admins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<Guid>>("Admins")
+                        .IsRequired()
+                        .HasColumnType("uuid[]");
+
+                    b.PrimitiveCollection<List<string>>("InviteCode")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("IsChannel")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsPrivate")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ChatGroups");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupAdmins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupMemberships");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsAdmin")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("MaxParticipants")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Invitations");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("EncryptedKey")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("FilePath")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MimeType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("MediaAttachments");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("EditedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("EncryptedContent")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsEdited")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("RecipientId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("RecipientType")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("ReplyToMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SenderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReplyToMessageId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ReactionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    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("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ViewedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("MessageViews");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateOnly>("CreatedOn")
+                        .HasColumnType("date");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("IconId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("InviteId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("WasOnline")
+                        .HasColumnType("timestamp with time zone");
+
+                    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.MediaAttachments", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "Message")
+                        .WithMany("MediaAttachments")
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Message");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "ReplyToMessage")
+                        .WithMany()
+                        .HasForeignKey("ReplyToMessageId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("ReplyToMessage");
+                });
+
+            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.Invitation", b =>
+                {
+                    b.Navigation("Users");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Navigation("MediaAttachments");
+
+                    b.Navigation("MessageViews");
+
+                    b.Navigation("Reactions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Govor.Data/Migrations/20250624071942_inviteAdd.cs

@@ -0,0 +1,69 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class inviteAdd : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Guid>(
+                name: "InviteId",
+                table: "Users",
+                type: "uuid",
+                nullable: false,
+                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"));
+
+            migrationBuilder.CreateTable(
+                name: "Invitations",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    IsAdmin = table.Column<bool>(type: "boolean", 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);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_InviteId",
+                table: "Users",
+                column: "InviteId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Users_Invitations_InviteId",
+                table: "Users",
+                column: "InviteId",
+                principalTable: "Invitations",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Users_Invitations_InviteId",
+                table: "Users");
+
+            migrationBuilder.DropTable(
+                name: "Invitations");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Users_InviteId",
+                table: "Users");
+
+            migrationBuilder.DropColumn(
+                name: "InviteId",
+                table: "Users");
+        }
+    }
+}

Govor.Data/Migrations/20250624072330_FixinviteAdd.Designer.cs

@@ -0,0 +1,375 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Govor.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    [DbContext(typeof(GovorDbContext))]
+    [Migration("20250624072330_FixinviteAdd")]
+    partial class FixinviteAdd
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId");
+
+                    b.ToTable("Admins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<Guid>>("Admins")
+                        .IsRequired()
+                        .HasColumnType("uuid[]");
+
+                    b.PrimitiveCollection<List<string>>("InviteCode")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("IsChannel")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsPrivate")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ChatGroups");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupAdmins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupMemberships");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsAdmin")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("MaxParticipants")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Invitations");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("EncryptedKey")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("FilePath")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MimeType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("MediaAttachments");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("EditedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("EncryptedContent")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsEdited")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("RecipientId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("RecipientType")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("ReplyToMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SenderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReplyToMessageId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ReactionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    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("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ViewedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("MessageViews");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateOnly>("CreatedOn")
+                        .HasColumnType("date");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("IconId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("InviteId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("WasOnline")
+                        .HasColumnType("timestamp with time zone");
+
+                    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.MediaAttachments", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "Message")
+                        .WithMany("MediaAttachments")
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Message");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "ReplyToMessage")
+                        .WithMany()
+                        .HasForeignKey("ReplyToMessageId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("ReplyToMessage");
+                });
+
+            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.Invitation", b =>
+                {
+                    b.Navigation("Users");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Navigation("MediaAttachments");
+
+                    b.Navigation("MessageViews");
+
+                    b.Navigation("Reactions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Govor.Data/Migrations/20250624072330_FixinviteAdd.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class FixinviteAdd : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

Govor.Data/Migrations/20250624072548_InitialCreate.Designer.cs

@@ -0,0 +1,375 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Govor.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    [DbContext(typeof(GovorDbContext))]
+    [Migration("20250624072548_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId");
+
+                    b.ToTable("Admins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.PrimitiveCollection<List<Guid>>("Admins")
+                        .IsRequired()
+                        .HasColumnType("uuid[]");
+
+                    b.PrimitiveCollection<List<string>>("InviteCode")
+                        .IsRequired()
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("IsChannel")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsPrivate")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ChatGroups");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupAdmins", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupAdmins");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.GroupMembership", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("GroupId")
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("IsBanned")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("GroupMemberships");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsAdmin")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("MaxParticipants")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Invitations");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("EncryptedKey")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("FilePath")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("MimeType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("MediaAttachments");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("EditedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("EncryptedContent")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsEdited")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("RecipientId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("RecipientType")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid?>("ReplyToMessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SenderId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReplyToMessageId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.MessageReaction", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ReactedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ReactionCode")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    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("uuid");
+
+                    b.Property<Guid>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("ViewedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId", "UserId")
+                        .IsUnique();
+
+                    b.ToTable("MessageViews");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateOnly>("CreatedOn")
+                        .HasColumnType("date");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("IconId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("InviteId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("WasOnline")
+                        .HasColumnType("timestamp with time zone");
+
+                    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.MediaAttachments", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "Message")
+                        .WithMany("MediaAttachments")
+                        .HasForeignKey("MessageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Message");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.HasOne("Govor.Core.Models.Message", "ReplyToMessage")
+                        .WithMany()
+                        .HasForeignKey("ReplyToMessageId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("ReplyToMessage");
+                });
+
+            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.Invitation", b =>
+                {
+                    b.Navigation("Users");
+                });
+
+            modelBuilder.Entity("Govor.Core.Models.Message", b =>
+                {
+                    b.Navigation("MediaAttachments");
+
+                    b.Navigation("MessageViews");
+
+                    b.Navigation("Reactions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Govor.Data/Migrations/20250624072548_InitialCreate.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Govor.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

Govor.Data/Migrations/GovorDbContextModelSnapshot.cs

@@ -23,6 +23,16 @@ namespace Govor.Data.Migrations
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("Govor.Core.Models.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("UserId");
+
+                    b.ToTable("Admins");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.ChatGroup", b =>
                 {
                     b.Property<Guid>("Id")
@@ -89,6 +99,29 @@ namespace Govor.Data.Migrations
                     b.ToTable("GroupMemberships");
                 });
 
+            modelBuilder.Entity("Govor.Core.Models.Invitation", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("DateCreated")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("EndDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsAdmin")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("MaxParticipants")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Invitations");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.MediaAttachments", b =>
                 {
                     b.Property<Guid>("Id")
@@ -228,6 +261,9 @@ namespace Govor.Data.Migrations
                     b.Property<Guid>("IconId")
                         .HasColumnType("uuid");
 
+                    b.Property<Guid>("InviteId")
+                        .HasColumnType("uuid");
+
                     b.Property<string>("PasswordHash")
                         .IsRequired()
                         .HasColumnType("text");
@@ -241,9 +277,22 @@ namespace Govor.Data.Migrations
 
                     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.MediaAttachments", b =>
                 {
                     b.HasOne("Govor.Core.Models.Message", "Message")
@@ -293,6 +342,22 @@ namespace Govor.Data.Migrations
                         .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.Invitation", b =>
+                {
+                    b.Navigation("Users");
+                });
+
             modelBuilder.Entity("Govor.Core.Models.Message", b =>
                 {
                     b.Navigation("MediaAttachments");

Govor.Data/Repositories/AdminsRepository.cs

@@ -0,0 +1,50 @@
+using Govor.Core.Infrastructure.Extensions;
+using Govor.Core.Models;
+using Govor.Core.Repositories.Admins;
+using Govor.Data.Repositories.Exceptions;
+using Microsoft.EntityFrameworkCore;
+
+namespace Govor.Data.Repositories;
+
+public class AdminsRepository(GovorDbContext context) : IAdminsRepository
+{
+    private GovorDbContext _context = context;
+
+    public async Task<List<Admin>> GetAllAsync()
+    {
+        return await _context.Admins
+            .AsNoTracking()
+            .Include(a => a.User)
+            .ToListOrThrowIfEmpty(new NotFoundException("Database is empty"));
+    }
+
+    public Task<Admin> GetByIdAsync(Guid id)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task AddAsync(Admin admin)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task UpdateAsync(Admin admin)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task DeleteAsync(Guid admin)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool Exist(Guid guid)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool Exist(Admin admin)
+    {
+        throw new NotImplementedException();
+    }
+}

Govor.Data/Repositories/InvitesRepository.cs

@@ -0,0 +1,52 @@
+using Govor.Core.Models;
+using Govor.Core.Repositories.Invaites;
+
+namespace Govor.Data.Repositories;
+
+public class InvitesRepository : IInvitesRepository
+{
+    public Task<List<Invitation>> GetAllAsync()
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<Invitation> GetByIdAsync(Guid id)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<Invitation> GetByCodeAsync(string code)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<List<Invitation>> GetAdminsInvitesAsync()
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task AddAsync(Invitation invitation)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task UpdateAsync(Invitation invitation)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task RemoveAsync(Invitation invitation)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool Exist(Invitation invitation)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool Exist(Guid guid)
+    {
+        throw new NotImplementedException();
+    }
+}