Adding the calls to track authors for metrics but also to attempt to find AI writers.

Newsbot.Collector.Api/Startup/DatabaseStartup.cs

@@ -31,6 +31,7 @@ public class DatabaseStartup
         services.AddScoped<IDiscordNotificationRepository, DiscordNotificationTable>();
         services.AddScoped<IUserSourceSubscription, UserSourceSubscriptionTable>();
         services.AddScoped<IRefreshTokenRepository, RefreshTokenTable>();
+        services.AddScoped<IAuthorTable, AuthorsTable>();
     }
 
     public static void InjectIdentityService(IServiceCollection services)

Newsbot.Collector.Database/DatabaseContext.cs

@@ -15,6 +15,7 @@ public class DatabaseContext : IdentityDbContext
     public DbSet<DiscordWebhookEntity> DiscordWebhooks { get; set; } = null!;
     public DbSet<IconEntity> Icons { get; set; } = null!;
     public DbSet<SourceEntity> Sources { get; set; } = null!;
+    public DbSet<AuthorEntity> Authors { get; set; } = null!;
 
     public DbSet<UserSourceSubscriptionEntity> UserSourceSubscription { get; set; } = null!;
 

Newsbot.Collector.Database/Migrations/20230729170139_Adding Author Table.Designer.cs

@@ -0,0 +1,579 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Newsbot.Collector.Database;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Newsbot.Collector.Database.Migrations
+{
+    [DbContext(typeof(DatabaseContext))]
+    [Migration("20230729170139_Adding Author Table")]
+    partial class AddingAuthorTable
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUser", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.ArticlesEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("AuthorImage")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("CodeIsCommit")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("CodeIsRelease")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("PubDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Thumbnail")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Url")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Video")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("VideoHeight")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("VideoWidth")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Articles");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.AuthorEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Image")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Authors");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordNotificationEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("CodeAllowCommits")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("CodeAllowReleases")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid>("DiscordWebHookId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("DiscordNotification");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordQueueEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("ArticleId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("DiscordQueue");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordWebhookEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Channel")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Server")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("DiscordWebhooks");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.IconEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Site")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Icons");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.RefreshTokenEntity", b =>
+                {
+                    b.Property<string>("Token")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("ExpiryDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("Invalidated")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("JwtId")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("Used")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Token");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("RefreshTokens");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.SourceEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("Deleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Site")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Source")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Tags")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("YoutubeId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sources");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.UserSourceSubscriptionEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTimeOffset>("DateAdded")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("UserSourceSubscription");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordWebhookEntity", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.RefreshTokenEntity", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.UserSourceSubscriptionEntity", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Newsbot.Collector.Database/Migrations/20230729170139_Adding Author Table.cs

@@ -0,0 +1,66 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Newsbot.Collector.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddingAuthorTable : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "UserId",
+                table: "DiscordWebhooks",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "Authors",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    SourceId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Image = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Authors", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DiscordWebhooks_UserId",
+                table: "DiscordWebhooks",
+                column: "UserId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_DiscordWebhooks_AspNetUsers_UserId",
+                table: "DiscordWebhooks",
+                column: "UserId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_DiscordWebhooks_AspNetUsers_UserId",
+                table: "DiscordWebhooks");
+
+            migrationBuilder.DropTable(
+                name: "Authors");
+
+            migrationBuilder.DropIndex(
+                name: "IX_DiscordWebhooks_UserId",
+                table: "DiscordWebhooks");
+
+            migrationBuilder.DropColumn(
+                name: "UserId",
+                table: "DiscordWebhooks");
+        }
+    }
+}

Newsbot.Collector.Database/Migrations/DatabaseContextModelSnapshot.cs

@@ -277,6 +277,28 @@ namespace Newsbot.Collector.Database.Migrations
                     b.ToTable("Articles");
                 });
 
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.AuthorEntity", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Image")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid>("SourceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Authors");
+                });
+
             modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordNotificationEntity", b =>
                 {
                     b.Property<Guid>("Id")
@@ -338,8 +360,13 @@ namespace Newsbot.Collector.Database.Migrations
                         .IsRequired()
                         .HasColumnType("text");
 
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
                     b.HasKey("Id");
 
+                    b.HasIndex("UserId");
+
                     b.ToTable("DiscordWebhooks");
                 });
 
@@ -517,6 +544,15 @@ namespace Newsbot.Collector.Database.Migrations
                         .IsRequired();
                 });
 
+            modelBuilder.Entity("Newsbot.Collector.Domain.Entities.DiscordWebhookEntity", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId");
+
+                    b.Navigation("User");
+                });
+
             modelBuilder.Entity("Newsbot.Collector.Domain.Entities.RefreshTokenEntity", b =>
                 {
                     b.HasOne("Microsoft.AspNetCore.Identity.IdentityUser", "User")

Newsbot.Collector.Database/Repositories/AuthorsTable.cs

@@ -0,0 +1,47 @@
+using Newsbot.Collector.Domain.Entities;
+using Newsbot.Collector.Domain.Interfaces;
+
+namespace Newsbot.Collector.Database.Repositories;
+
+public class AuthorsTable : IAuthorTable
+{
+    private readonly DatabaseContext _context;  
+
+    public AuthorsTable(string connectionString)
+    {
+        //_connectionString = connectionString;
+        _context = new DatabaseContext(connectionString);
+    }
+
+    public AuthorsTable(DatabaseContext context)
+    {
+        _context = context;
+    }
+
+    public AuthorEntity New(AuthorEntity entity)
+    {
+        entity.Id = Guid.NewGuid();
+        _context.Authors.Add(entity);
+        _context.SaveChanges();
+        return entity;
+    }
+
+    public List<AuthorEntity> ListBySourceId(Guid sourceId)
+    {
+        return _context.Authors
+            .Where(s => s.SourceId.Equals(sourceId)).ToList();
+    }
+
+    public int TotalPosts(Guid id)
+    {
+        return _context.Authors.Count(x => x.Id.Equals(id));
+    }
+
+    public AuthorEntity? GetBySourceIdAndName(Guid sourceId, string name)
+    {
+        return _context.Authors
+            .Where(s => s.SourceId.Equals(sourceId))
+            .FirstOrDefault(n => n.Name.Equals(name));
+            
+    }
+}

Newsbot.Collector.Domain/Interfaces/IAuthorTable.cs

@@ -0,0 +1,11 @@
+using Newsbot.Collector.Domain.Entities;
+
+namespace Newsbot.Collector.Domain.Interfaces;
+
+public interface IAuthorTable
+{
+    AuthorEntity New(AuthorEntity entity);
+    List<AuthorEntity> ListBySourceId(Guid sourceId);
+    int TotalPosts(Guid id);
+    AuthorEntity? GetBySourceIdAndName(Guid sourceId, string name);
+}