diff --git a/back/src/Kyoo.Postgresql/DatabaseContext.cs b/back/src/Kyoo.Postgresql/DatabaseContext.cs
index 2e559989..206497e2 100644
--- a/back/src/Kyoo.Postgresql/DatabaseContext.cs
+++ b/back/src/Kyoo.Postgresql/DatabaseContext.cs
@@ -167,6 +167,14 @@ namespace Kyoo.Postgresql
 			optionsBuilder.UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking);
 		}
 
+		private static ValueComparer<Dictionary<string, T>> _GetComparer<T>()
+		{
+			return new(
+				(c1, c2) => c1!.SequenceEqual(c2!),
+				c => c.Aggregate(0, (a, v) => HashCode.Combine(a, v.GetHashCode()))
+			);
+		}
+
 		/// <summary>
 		/// Build the metadata model for the given type.
 		/// </summary>
@@ -193,6 +201,10 @@ namespace Kyoo.Postgresql
 						)!
 				)
 				.HasColumnType("json");
+			modelBuilder
+				.Entity<T>()
+				.Property(x => x.ExternalId)
+				.Metadata.SetValueComparer(_GetComparer<MetadataId>());
 		}
 
 		private static void _HasImages<T>(ModelBuilder modelBuilder)
@@ -318,19 +330,6 @@ namespace Kyoo.Postgresql
 			_HasAddedDate<User>(modelBuilder);
 			_HasAddedDate<Issue>(modelBuilder);
 
-			modelBuilder
-				.Entity<User>()
-				.Property(x => x.Settings)
-				.HasConversion(
-					v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
-					v =>
-						JsonSerializer.Deserialize<Dictionary<string, string>>(
-							v,
-							(JsonSerializerOptions?)null
-						)!
-				)
-				.HasColumnType("json");
-
 			modelBuilder
 				.Entity<MovieWatchStatus>()
 				.HasKey(x => new { User = x.UserId, Movie = x.MovieId });
@@ -417,6 +416,40 @@ namespace Kyoo.Postgresql
 			// 	{
 			// 		x.ToJson();
 			// 	});
+			modelBuilder
+				.Entity<User>()
+				.Property(x => x.Settings)
+				.HasConversion(
+					v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
+					v =>
+						JsonSerializer.Deserialize<Dictionary<string, string>>(
+							v,
+							(JsonSerializerOptions?)null
+						)!
+				)
+				.HasColumnType("json");
+			modelBuilder
+				.Entity<User>()
+				.Property(x => x.Settings)
+				.Metadata.SetValueComparer(_GetComparer<string>());
+
+			modelBuilder
+				.Entity<User>()
+				.Property(x => x.ExternalId)
+				.HasConversion(
+					v => JsonSerializer.Serialize(v, (JsonSerializerOptions?)null),
+					v =>
+						JsonSerializer.Deserialize<Dictionary<string, ExternalToken>>(
+							v,
+							(JsonSerializerOptions?)null
+						)!
+				)
+				.HasColumnType("json");
+			modelBuilder
+				.Entity<User>()
+				.Property(x => x.ExternalId)
+				.Metadata.SetValueComparer(_GetComparer<ExternalToken>());
+
 			modelBuilder
 				.Entity<Issue>()
 				.Property(x => x.Extra)
@@ -429,6 +462,10 @@ namespace Kyoo.Postgresql
 						)!
 				)
 				.HasColumnType("json");
+			modelBuilder
+				.Entity<Issue>()
+				.Property(x => x.Extra)
+				.Metadata.SetValueComparer(_GetComparer<object>());
 		}
 
 		/// <summary>
diff --git a/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.Designer.cs b/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.Designer.cs
new file mode 100644
index 00000000..e4a49eee
--- /dev/null
+++ b/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.Designer.cs
@@ -0,0 +1,1314 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Kyoo.Abstractions.Models;
+using Kyoo.Postgresql;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Kyoo.Postgresql.Migrations
+{
+	[DbContext(typeof(PostgresContext))]
+	[Migration("20240229202049_AddUserExternalId")]
+	partial class AddUserExternalId
+	{
+		/// <inheritdoc />
+		protected override void BuildTargetModel(ModelBuilder modelBuilder)
+		{
+#pragma warning disable 612, 618
+			modelBuilder
+				.HasAnnotation("ProductVersion", "7.0.12")
+				.HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+			NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "genre", new[] { "action", "adventure", "animation", "comedy", "crime", "documentary", "drama", "family", "fantasy", "history", "horror", "music", "mystery", "romance", "science_fiction", "thriller", "war", "western" });
+			NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "status", new[] { "unknown", "finished", "airing", "planned" });
+			NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "watch_status", new[] { "completed", "watching", "droped", "planned" });
+			NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Collection", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<string>("Name")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Overview")
+						.HasColumnType("text")
+						.HasColumnName("overview");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.HasKey("Id")
+						.HasName("pk_collections");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_collections_slug");
+
+					b.ToTable("collections", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Episode", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<int?>("AbsoluteNumber")
+						.HasColumnType("integer")
+						.HasColumnName("absolute_number");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<int?>("EpisodeNumber")
+						.HasColumnType("integer")
+						.HasColumnName("episode_number");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<string>("Name")
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Overview")
+						.HasColumnType("text")
+						.HasColumnName("overview");
+
+					b.Property<string>("Path")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("path");
+
+					b.Property<DateTime?>("ReleaseDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("release_date");
+
+					b.Property<int?>("Runtime")
+						.HasColumnType("integer")
+						.HasColumnName("runtime");
+
+					b.Property<Guid?>("SeasonId")
+						.HasColumnType("uuid")
+						.HasColumnName("season_id");
+
+					b.Property<int?>("SeasonNumber")
+						.HasColumnType("integer")
+						.HasColumnName("season_number");
+
+					b.Property<Guid>("ShowId")
+						.HasColumnType("uuid")
+						.HasColumnName("show_id");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.HasKey("Id")
+						.HasName("pk_episodes");
+
+					b.HasIndex("SeasonId")
+						.HasDatabaseName("ix_episodes_season_id");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_episodes_slug");
+
+					b.HasIndex("ShowId", "SeasonNumber", "EpisodeNumber", "AbsoluteNumber")
+						.IsUnique()
+						.HasDatabaseName("ix_episodes_show_id_season_number_episode_number_absolute_numb");
+
+					b.ToTable("episodes", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.EpisodeWatchStatus", b =>
+				{
+					b.Property<Guid>("UserId")
+						.HasColumnType("uuid")
+						.HasColumnName("user_id");
+
+					b.Property<Guid?>("EpisodeId")
+						.HasColumnType("uuid")
+						.HasColumnName("episode_id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<DateTime?>("PlayedDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("played_date");
+
+					b.Property<WatchStatus>("Status")
+						.HasColumnType("watch_status")
+						.HasColumnName("status");
+
+					b.Property<int?>("WatchedPercent")
+						.HasColumnType("integer")
+						.HasColumnName("watched_percent");
+
+					b.Property<int?>("WatchedTime")
+						.HasColumnType("integer")
+						.HasColumnName("watched_time");
+
+					b.HasKey("UserId", "EpisodeId")
+						.HasName("pk_episode_watch_status");
+
+					b.HasIndex("EpisodeId")
+						.HasDatabaseName("ix_episode_watch_status_episode_id");
+
+					b.ToTable("episode_watch_status", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Issue", b =>
+				{
+					b.Property<string>("Domain")
+						.HasColumnType("text")
+						.HasColumnName("domain");
+
+					b.Property<string>("Cause")
+						.HasColumnType("text")
+						.HasColumnName("cause");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<string>("Extra")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("extra");
+
+					b.Property<string>("Reason")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("reason");
+
+					b.HasKey("Domain", "Cause")
+						.HasName("pk_issues");
+
+					b.ToTable("issues", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Movie", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<DateTime?>("AirDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("air_date");
+
+					b.Property<string[]>("Aliases")
+						.IsRequired()
+						.HasColumnType("text[]")
+						.HasColumnName("aliases");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<Genre[]>("Genres")
+						.IsRequired()
+						.HasColumnType("genre[]")
+						.HasColumnName("genres");
+
+					b.Property<string>("Name")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Overview")
+						.HasColumnType("text")
+						.HasColumnName("overview");
+
+					b.Property<string>("Path")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("path");
+
+					b.Property<int>("Rating")
+						.HasColumnType("integer")
+						.HasColumnName("rating");
+
+					b.Property<int?>("Runtime")
+						.HasColumnType("integer")
+						.HasColumnName("runtime");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.Property<Status>("Status")
+						.HasColumnType("status")
+						.HasColumnName("status");
+
+					b.Property<Guid?>("StudioId")
+						.HasColumnType("uuid")
+						.HasColumnName("studio_id");
+
+					b.Property<string>("Tagline")
+						.HasColumnType("text")
+						.HasColumnName("tagline");
+
+					b.Property<string[]>("Tags")
+						.IsRequired()
+						.HasColumnType("text[]")
+						.HasColumnName("tags");
+
+					b.Property<string>("Trailer")
+						.HasColumnType("text")
+						.HasColumnName("trailer");
+
+					b.HasKey("Id")
+						.HasName("pk_movies");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_movies_slug");
+
+					b.HasIndex("StudioId")
+						.HasDatabaseName("ix_movies_studio_id");
+
+					b.ToTable("movies", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.MovieWatchStatus", b =>
+				{
+					b.Property<Guid>("UserId")
+						.HasColumnType("uuid")
+						.HasColumnName("user_id");
+
+					b.Property<Guid>("MovieId")
+						.HasColumnType("uuid")
+						.HasColumnName("movie_id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<DateTime?>("PlayedDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("played_date");
+
+					b.Property<WatchStatus>("Status")
+						.HasColumnType("watch_status")
+						.HasColumnName("status");
+
+					b.Property<int?>("WatchedPercent")
+						.HasColumnType("integer")
+						.HasColumnName("watched_percent");
+
+					b.Property<int?>("WatchedTime")
+						.HasColumnType("integer")
+						.HasColumnName("watched_time");
+
+					b.HasKey("UserId", "MovieId")
+						.HasName("pk_movie_watch_status");
+
+					b.HasIndex("MovieId")
+						.HasDatabaseName("ix_movie_watch_status_movie_id");
+
+					b.ToTable("movie_watch_status", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Season", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<DateTime?>("EndDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("end_date");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<string>("Name")
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Overview")
+						.HasColumnType("text")
+						.HasColumnName("overview");
+
+					b.Property<int>("SeasonNumber")
+						.HasColumnType("integer")
+						.HasColumnName("season_number");
+
+					b.Property<Guid>("ShowId")
+						.HasColumnType("uuid")
+						.HasColumnName("show_id");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.Property<DateTime?>("StartDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("start_date");
+
+					b.HasKey("Id")
+						.HasName("pk_seasons");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_seasons_slug");
+
+					b.HasIndex("ShowId", "SeasonNumber")
+						.IsUnique()
+						.HasDatabaseName("ix_seasons_show_id_season_number");
+
+					b.ToTable("seasons", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Show", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<List<string>>("Aliases")
+						.IsRequired()
+						.HasColumnType("text[]")
+						.HasColumnName("aliases");
+
+					b.Property<DateTime?>("EndAir")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("end_air");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<List<Genre>>("Genres")
+						.IsRequired()
+						.HasColumnType("genre[]")
+						.HasColumnName("genres");
+
+					b.Property<string>("Name")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Overview")
+						.HasColumnType("text")
+						.HasColumnName("overview");
+
+					b.Property<int>("Rating")
+						.HasColumnType("integer")
+						.HasColumnName("rating");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.Property<DateTime?>("StartAir")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("start_air");
+
+					b.Property<Status>("Status")
+						.HasColumnType("status")
+						.HasColumnName("status");
+
+					b.Property<Guid?>("StudioId")
+						.HasColumnType("uuid")
+						.HasColumnName("studio_id");
+
+					b.Property<string>("Tagline")
+						.HasColumnType("text")
+						.HasColumnName("tagline");
+
+					b.Property<List<string>>("Tags")
+						.IsRequired()
+						.HasColumnType("text[]")
+						.HasColumnName("tags");
+
+					b.Property<string>("Trailer")
+						.HasColumnType("text")
+						.HasColumnName("trailer");
+
+					b.HasKey("Id")
+						.HasName("pk_shows");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_shows_slug");
+
+					b.HasIndex("StudioId")
+						.HasDatabaseName("ix_shows_studio_id");
+
+					b.ToTable("shows", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.ShowWatchStatus", b =>
+				{
+					b.Property<Guid>("UserId")
+						.HasColumnType("uuid")
+						.HasColumnName("user_id");
+
+					b.Property<Guid>("ShowId")
+						.HasColumnType("uuid")
+						.HasColumnName("show_id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<Guid?>("NextEpisodeId")
+						.HasColumnType("uuid")
+						.HasColumnName("next_episode_id");
+
+					b.Property<DateTime?>("PlayedDate")
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("played_date");
+
+					b.Property<WatchStatus>("Status")
+						.HasColumnType("watch_status")
+						.HasColumnName("status");
+
+					b.Property<int>("UnseenEpisodesCount")
+						.HasColumnType("integer")
+						.HasColumnName("unseen_episodes_count");
+
+					b.Property<int?>("WatchedPercent")
+						.HasColumnType("integer")
+						.HasColumnName("watched_percent");
+
+					b.Property<int?>("WatchedTime")
+						.HasColumnType("integer")
+						.HasColumnName("watched_time");
+
+					b.HasKey("UserId", "ShowId")
+						.HasName("pk_show_watch_status");
+
+					b.HasIndex("NextEpisodeId")
+						.HasDatabaseName("ix_show_watch_status_next_episode_id");
+
+					b.HasIndex("ShowId")
+						.HasDatabaseName("ix_show_watch_status_show_id");
+
+					b.ToTable("show_watch_status", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Studio", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<string>("Name")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("name");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.HasKey("Id")
+						.HasName("pk_studios");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_studios_slug");
+
+					b.ToTable("studios", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.User", b =>
+				{
+					b.Property<Guid>("Id")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("uuid")
+						.HasColumnName("id");
+
+					b.Property<DateTime>("AddedDate")
+						.ValueGeneratedOnAdd()
+						.HasColumnType("timestamp with time zone")
+						.HasColumnName("added_date")
+						.HasDefaultValueSql("now() at time zone 'utc'");
+
+					b.Property<string>("Email")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("email");
+
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
+					b.Property<string>("Password")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("password");
+
+					b.Property<string[]>("Permissions")
+						.IsRequired()
+						.HasColumnType("text[]")
+						.HasColumnName("permissions");
+
+					b.Property<string>("Settings")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("settings");
+
+					b.Property<string>("Slug")
+						.IsRequired()
+						.HasMaxLength(256)
+						.HasColumnType("character varying(256)")
+						.HasColumnName("slug");
+
+					b.Property<string>("Username")
+						.IsRequired()
+						.HasColumnType("text")
+						.HasColumnName("username");
+
+					b.HasKey("Id")
+						.HasName("pk_users");
+
+					b.HasIndex("Slug")
+						.IsUnique()
+						.HasDatabaseName("ix_users_slug");
+
+					b.ToTable("users", (string)null);
+				});
+
+			modelBuilder.Entity("link_collection_movie", b =>
+				{
+					b.Property<Guid>("collection_id")
+						.HasColumnType("uuid")
+						.HasColumnName("collection_id");
+
+					b.Property<Guid>("movie_id")
+						.HasColumnType("uuid")
+						.HasColumnName("movie_id");
+
+					b.HasKey("collection_id", "movie_id")
+						.HasName("pk_link_collection_movie");
+
+					b.HasIndex("movie_id")
+						.HasDatabaseName("ix_link_collection_movie_movie_id");
+
+					b.ToTable("link_collection_movie", (string)null);
+				});
+
+			modelBuilder.Entity("link_collection_show", b =>
+				{
+					b.Property<Guid>("collection_id")
+						.HasColumnType("uuid")
+						.HasColumnName("collection_id");
+
+					b.Property<Guid>("show_id")
+						.HasColumnType("uuid")
+						.HasColumnName("show_id");
+
+					b.HasKey("collection_id", "show_id")
+						.HasName("pk_link_collection_show");
+
+					b.HasIndex("show_id")
+						.HasDatabaseName("ix_link_collection_show_show_id");
+
+					b.ToTable("link_collection_show", (string)null);
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Collection", b =>
+				{
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Logo", b1 =>
+						{
+							b1.Property<Guid>("CollectionId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("logo_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("logo_source");
+
+							b1.HasKey("CollectionId");
+
+							b1.ToTable("collections");
+
+							b1.WithOwner()
+								.HasForeignKey("CollectionId")
+								.HasConstraintName("fk_collections_collections_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Poster", b1 =>
+						{
+							b1.Property<Guid>("CollectionId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("poster_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("poster_source");
+
+							b1.HasKey("CollectionId");
+
+							b1.ToTable("collections");
+
+							b1.WithOwner()
+								.HasForeignKey("CollectionId")
+								.HasConstraintName("fk_collections_collections_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Thumbnail", b1 =>
+						{
+							b1.Property<Guid>("CollectionId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("thumbnail_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("thumbnail_source");
+
+							b1.HasKey("CollectionId");
+
+							b1.ToTable("collections");
+
+							b1.WithOwner()
+								.HasForeignKey("CollectionId")
+								.HasConstraintName("fk_collections_collections_id");
+						});
+
+					b.Navigation("Logo");
+
+					b.Navigation("Poster");
+
+					b.Navigation("Thumbnail");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Episode", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Season", "Season")
+						.WithMany("Episodes")
+						.HasForeignKey("SeasonId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.HasConstraintName("fk_episodes_seasons_season_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.Show", "Show")
+						.WithMany("Episodes")
+						.HasForeignKey("ShowId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_episodes_shows_show_id");
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Logo", b1 =>
+						{
+							b1.Property<Guid>("EpisodeId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("logo_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("logo_source");
+
+							b1.HasKey("EpisodeId");
+
+							b1.ToTable("episodes");
+
+							b1.WithOwner()
+								.HasForeignKey("EpisodeId")
+								.HasConstraintName("fk_episodes_episodes_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Poster", b1 =>
+						{
+							b1.Property<Guid>("EpisodeId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("poster_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("poster_source");
+
+							b1.HasKey("EpisodeId");
+
+							b1.ToTable("episodes");
+
+							b1.WithOwner()
+								.HasForeignKey("EpisodeId")
+								.HasConstraintName("fk_episodes_episodes_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Thumbnail", b1 =>
+						{
+							b1.Property<Guid>("EpisodeId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("thumbnail_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("thumbnail_source");
+
+							b1.HasKey("EpisodeId");
+
+							b1.ToTable("episodes");
+
+							b1.WithOwner()
+								.HasForeignKey("EpisodeId")
+								.HasConstraintName("fk_episodes_episodes_id");
+						});
+
+					b.Navigation("Logo");
+
+					b.Navigation("Poster");
+
+					b.Navigation("Season");
+
+					b.Navigation("Show");
+
+					b.Navigation("Thumbnail");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.EpisodeWatchStatus", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Episode", "Episode")
+						.WithMany("Watched")
+						.HasForeignKey("EpisodeId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_episode_watch_status_episodes_episode_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.User", "User")
+						.WithMany()
+						.HasForeignKey("UserId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_episode_watch_status_users_user_id");
+
+					b.Navigation("Episode");
+
+					b.Navigation("User");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Movie", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Studio", "Studio")
+						.WithMany("Movies")
+						.HasForeignKey("StudioId")
+						.OnDelete(DeleteBehavior.SetNull)
+						.HasConstraintName("fk_movies_studios_studio_id");
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Logo", b1 =>
+						{
+							b1.Property<Guid>("MovieId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("logo_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("logo_source");
+
+							b1.HasKey("MovieId");
+
+							b1.ToTable("movies");
+
+							b1.WithOwner()
+								.HasForeignKey("MovieId")
+								.HasConstraintName("fk_movies_movies_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Poster", b1 =>
+						{
+							b1.Property<Guid>("MovieId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("poster_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("poster_source");
+
+							b1.HasKey("MovieId");
+
+							b1.ToTable("movies");
+
+							b1.WithOwner()
+								.HasForeignKey("MovieId")
+								.HasConstraintName("fk_movies_movies_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Thumbnail", b1 =>
+						{
+							b1.Property<Guid>("MovieId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("thumbnail_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("thumbnail_source");
+
+							b1.HasKey("MovieId");
+
+							b1.ToTable("movies");
+
+							b1.WithOwner()
+								.HasForeignKey("MovieId")
+								.HasConstraintName("fk_movies_movies_id");
+						});
+
+					b.Navigation("Logo");
+
+					b.Navigation("Poster");
+
+					b.Navigation("Studio");
+
+					b.Navigation("Thumbnail");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.MovieWatchStatus", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Movie", "Movie")
+						.WithMany("Watched")
+						.HasForeignKey("MovieId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_movie_watch_status_movies_movie_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.User", "User")
+						.WithMany()
+						.HasForeignKey("UserId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_movie_watch_status_users_user_id");
+
+					b.Navigation("Movie");
+
+					b.Navigation("User");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Season", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Show", "Show")
+						.WithMany("Seasons")
+						.HasForeignKey("ShowId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_seasons_shows_show_id");
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Logo", b1 =>
+						{
+							b1.Property<Guid>("SeasonId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("logo_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("logo_source");
+
+							b1.HasKey("SeasonId");
+
+							b1.ToTable("seasons");
+
+							b1.WithOwner()
+								.HasForeignKey("SeasonId")
+								.HasConstraintName("fk_seasons_seasons_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Poster", b1 =>
+						{
+							b1.Property<Guid>("SeasonId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("poster_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("poster_source");
+
+							b1.HasKey("SeasonId");
+
+							b1.ToTable("seasons");
+
+							b1.WithOwner()
+								.HasForeignKey("SeasonId")
+								.HasConstraintName("fk_seasons_seasons_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Thumbnail", b1 =>
+						{
+							b1.Property<Guid>("SeasonId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("thumbnail_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("thumbnail_source");
+
+							b1.HasKey("SeasonId");
+
+							b1.ToTable("seasons");
+
+							b1.WithOwner()
+								.HasForeignKey("SeasonId")
+								.HasConstraintName("fk_seasons_seasons_id");
+						});
+
+					b.Navigation("Logo");
+
+					b.Navigation("Poster");
+
+					b.Navigation("Show");
+
+					b.Navigation("Thumbnail");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Show", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Studio", "Studio")
+						.WithMany("Shows")
+						.HasForeignKey("StudioId")
+						.OnDelete(DeleteBehavior.SetNull)
+						.HasConstraintName("fk_shows_studios_studio_id");
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Logo", b1 =>
+						{
+							b1.Property<Guid>("ShowId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("logo_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("logo_source");
+
+							b1.HasKey("ShowId");
+
+							b1.ToTable("shows");
+
+							b1.WithOwner()
+								.HasForeignKey("ShowId")
+								.HasConstraintName("fk_shows_shows_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Poster", b1 =>
+						{
+							b1.Property<Guid>("ShowId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("poster_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("poster_source");
+
+							b1.HasKey("ShowId");
+
+							b1.ToTable("shows");
+
+							b1.WithOwner()
+								.HasForeignKey("ShowId")
+								.HasConstraintName("fk_shows_shows_id");
+						});
+
+					b.OwnsOne("Kyoo.Abstractions.Models.Image", "Thumbnail", b1 =>
+						{
+							b1.Property<Guid>("ShowId")
+								.HasColumnType("uuid")
+								.HasColumnName("id");
+
+							b1.Property<string>("Blurhash")
+								.IsRequired()
+								.HasMaxLength(32)
+								.HasColumnType("character varying(32)")
+								.HasColumnName("thumbnail_blurhash");
+
+							b1.Property<string>("Source")
+								.IsRequired()
+								.HasColumnType("text")
+								.HasColumnName("thumbnail_source");
+
+							b1.HasKey("ShowId");
+
+							b1.ToTable("shows");
+
+							b1.WithOwner()
+								.HasForeignKey("ShowId")
+								.HasConstraintName("fk_shows_shows_id");
+						});
+
+					b.Navigation("Logo");
+
+					b.Navigation("Poster");
+
+					b.Navigation("Studio");
+
+					b.Navigation("Thumbnail");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.ShowWatchStatus", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Episode", "NextEpisode")
+						.WithMany()
+						.HasForeignKey("NextEpisodeId")
+						.OnDelete(DeleteBehavior.SetNull)
+						.HasConstraintName("fk_show_watch_status_episodes_next_episode_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.Show", "Show")
+						.WithMany("Watched")
+						.HasForeignKey("ShowId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_show_watch_status_shows_show_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.User", "User")
+						.WithMany()
+						.HasForeignKey("UserId")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_show_watch_status_users_user_id");
+
+					b.Navigation("NextEpisode");
+
+					b.Navigation("Show");
+
+					b.Navigation("User");
+				});
+
+			modelBuilder.Entity("link_collection_movie", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Collection", null)
+						.WithMany()
+						.HasForeignKey("collection_id")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_link_collection_movie_collections_collection_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.Movie", null)
+						.WithMany()
+						.HasForeignKey("movie_id")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_link_collection_movie_movies_movie_id");
+				});
+
+			modelBuilder.Entity("link_collection_show", b =>
+				{
+					b.HasOne("Kyoo.Abstractions.Models.Collection", null)
+						.WithMany()
+						.HasForeignKey("collection_id")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_link_collection_show_collections_collection_id");
+
+					b.HasOne("Kyoo.Abstractions.Models.Show", null)
+						.WithMany()
+						.HasForeignKey("show_id")
+						.OnDelete(DeleteBehavior.Cascade)
+						.IsRequired()
+						.HasConstraintName("fk_link_collection_show_shows_show_id");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Episode", b =>
+				{
+					b.Navigation("Watched");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Movie", b =>
+				{
+					b.Navigation("Watched");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Season", b =>
+				{
+					b.Navigation("Episodes");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Show", b =>
+				{
+					b.Navigation("Episodes");
+
+					b.Navigation("Seasons");
+
+					b.Navigation("Watched");
+				});
+
+			modelBuilder.Entity("Kyoo.Abstractions.Models.Studio", b =>
+				{
+					b.Navigation("Movies");
+
+					b.Navigation("Shows");
+				});
+#pragma warning restore 612, 618
+		}
+	}
+}
diff --git a/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.cs b/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.cs
new file mode 100644
index 00000000..3bf1d35c
--- /dev/null
+++ b/back/src/Kyoo.Postgresql/Migrations/20240229202049_AddUserExternalId.cs
@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Kyoo.Postgresql.Migrations
+{
+	/// <inheritdoc />
+	public partial class AddUserExternalId : Migration
+	{
+		/// <inheritdoc />
+		protected override void Up(MigrationBuilder migrationBuilder)
+		{
+			migrationBuilder.AddColumn<string>(
+				name: "external_id",
+				table: "users",
+				type: "json",
+				nullable: false,
+				defaultValue: "{}"
+			);
+		}
+
+		/// <inheritdoc />
+		protected override void Down(MigrationBuilder migrationBuilder)
+		{
+			migrationBuilder.DropColumn(name: "external_id", table: "users");
+		}
+	}
+}
diff --git a/back/src/Kyoo.Postgresql/Migrations/PostgresContextModelSnapshot.cs b/back/src/Kyoo.Postgresql/Migrations/PostgresContextModelSnapshot.cs
index 807080d1..49d48264 100644
--- a/back/src/Kyoo.Postgresql/Migrations/PostgresContextModelSnapshot.cs
+++ b/back/src/Kyoo.Postgresql/Migrations/PostgresContextModelSnapshot.cs
@@ -614,6 +614,11 @@ namespace Kyoo.Postgresql.Migrations
 						.HasColumnType("text")
 						.HasColumnName("email");
 
+					b.Property<string>("ExternalId")
+						.IsRequired()
+						.HasColumnType("json")
+						.HasColumnName("external_id");
+
 					b.Property<string>("Password")
 						.IsRequired()
 						.HasColumnType("text")