Registration rework

+ InvitesRepository
+ AdminsRepository
+ rework jwt

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();
+    }
+}