Added pgsql support for jellyfin 🎉

Jellyfin.Database/Jellyfin.Database.Providers.PgSql/Migrations/PgSqlDesignTimeJellyfinDbFactory.cs

@@ -0,0 +1,26 @@
+using Jellyfin.Database.Providers.SqLite;
+using Jellyfin.Server.Implementations;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace Jellyfin.Database.Providers.PgSql
+{
+    /// <summary>
+    /// The design time factory for <see cref="JellyfinDbContext"/>.
+    /// This is only used for the creation of migrations and not during runtime.
+    /// </summary>
+    internal sealed class PgSqlDesignTimeJellyfinDbFactory : IDesignTimeDbContextFactory<JellyfinDbContext>
+    {
+        public JellyfinDbContext CreateDbContext(string[] args)
+        {
+            var optionsBuilder = new DbContextOptionsBuilder<JellyfinDbContext>();
+            optionsBuilder.UseNpgsql(f => f.MigrationsAssembly(GetType().Assembly));
+
+            return new JellyfinDbContext(
+                optionsBuilder.Options,
+                NullLogger<JellyfinDbContext>.Instance,
+                new SqliteDatabaseProvider(null!, NullLogger<SqliteDatabaseProvider>.Instance));
+        }
+    }
+}

Jellyfin.Database/Jellyfin.Database.Providers.PgSql/PgSqlDatabaseProvider.cs

@@ -0,0 +1,75 @@
+using System;
+using Jellyfin.Server.Implementations;
+using Jellyfin.Server.Implementations.DatabaseConfiguration;
+using MediaBrowser.Common.Configuration;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Npgsql;
+
+namespace Jellyfin.Database.Providers.PgSql;
+
+/// <summary>
+/// Configures jellyfin to use an SqLite database.
+/// </summary>
+[JellyfinDatabaseProviderKey("Jellyfin-PgSql")]
+public sealed class PgSqlDatabaseProvider : IJellyfinDatabaseProvider
+{
+    private readonly IConfigurationManager _configurationManager;
+    private readonly ILogger<PgSqlDatabaseProvider> _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PgSqlDatabaseProvider"/> class.
+    /// </summary>
+    /// <param name="configurationManager">Configuration manager to get PgSQL connection data.</param>
+    /// <param name="logger">A logger.</param>
+    public PgSqlDatabaseProvider(IConfigurationManager configurationManager, ILogger<PgSqlDatabaseProvider> logger)
+    {
+        _configurationManager = configurationManager;
+        _logger = logger;
+    }
+
+    /// <inheritdoc/>
+    public IDbContextFactory<JellyfinDbContext>? DbContextFactory { get; set; }
+
+    /// <inheritdoc/>
+    public void Initialise(DbContextOptionsBuilder options)
+    {
+        var dbSettings = _configurationManager.GetConfiguration<DatabaseConfigurationOptions>("database");
+
+        if (dbSettings.PostgreSql is null)
+        {
+            throw new InvalidOperationException("Selected PgSQL as database provider but did not provide required configuration. Please see docs.");
+        }
+
+        var connectionBuilder = new NpgsqlConnectionStringBuilder();
+        connectionBuilder.ApplicationName = "jellyfin";
+        connectionBuilder.CommandTimeout = dbSettings.PostgreSql.Timeout;
+        connectionBuilder.Database = dbSettings.PostgreSql.DatabaseName;
+        connectionBuilder.Username = dbSettings.PostgreSql.Username;
+        connectionBuilder.Password = dbSettings.PostgreSql.Password;
+        connectionBuilder.Host = dbSettings.PostgreSql.ServerName;
+        connectionBuilder.Port = dbSettings.PostgreSql.Port;
+
+        var connectionString = connectionBuilder.ToString();
+
+        options
+            .UseNpgsql(connectionString, pgSqlOptions => pgSqlOptions.MigrationsAssembly(GetType().Assembly));
+    }
+
+    /// <inheritdoc/>
+    public Task RunScheduledOptimisation(CancellationToken cancellationToken)
+    {
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc/>
+    public void OnModelCreating(ModelBuilder modelBuilder)
+    {
+    }
+
+    /// <inheritdoc/>
+    public ValueTask DisposeAsync()
+    {
+        return ValueTask.CompletedTask;
+    }
+}

Jellyfin.Database/Jellyfin.Database.Providers.SqLite/Migrations/SqliteDesignTimeJellyfinDbFactory.cs

@@ -9,7 +9,7 @@ namespace Jellyfin.Server.Implementations.Migrations
     /// The design time factory for <see cref="JellyfinDbContext"/>.
     /// This is only used for the creation of migrations and not during runtime.
     /// </summary>
-    internal sealed class DesignTimeJellyfinDbFactory : IDesignTimeDbContextFactory<JellyfinDbContext>
+    internal sealed class SqliteDesignTimeJellyfinDbFactory : IDesignTimeDbContextFactory<JellyfinDbContext>
     {
         public JellyfinDbContext CreateDbContext(string[] args)
         {