Allow custom plugin provided database providers to be loaded (#14171)

src/Jellyfin.Database/Jellyfin.Database.Implementations/DbConfiguration/CustomDatabaseOption.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace Jellyfin.Database.Implementations.DbConfiguration;
+
+/// <summary>
+/// The custom value option for custom database providers.
+/// </summary>
+public class CustomDatabaseOption
+{
+    /// <summary>
+    /// Gets or sets the key of the value.
+    /// </summary>
+    public required string Key { get; set; }
+
+    /// <summary>
+    /// Gets or sets the value.
+    /// </summary>
+    public required string Value { get; set; }
+}

src/Jellyfin.Database/Jellyfin.Database.Implementations/DbConfiguration/CustomDatabaseOptions.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+namespace Jellyfin.Database.Implementations.DbConfiguration;
+
+/// <summary>
+/// Defines the options for a custom database connector.
+/// </summary>
+public class CustomDatabaseOptions
+{
+    /// <summary>
+    /// Gets or sets the Plugin name to search for database providers.
+    /// </summary>
+    public required string PluginName { get; set; }
+
+    /// <summary>
+    /// Gets or sets the plugin assembly to search for providers.
+    /// </summary>
+    public required string PluginAssembly { get; set; }
+
+    /// <summary>
+    /// Gets or sets the connection string for the custom database provider.
+    /// </summary>
+    public required string ConnectionString { get; set; }
+
+    /// <summary>
+    /// Gets or sets the list of extra options for the custom provider.
+    /// </summary>
+#pragma warning disable CA2227 // Collection properties should be read only
+    public Collection<CustomDatabaseOption> Options { get; set; } = [];
+#pragma warning restore CA2227 // Collection properties should be read only
+}

src/Jellyfin.Database/Jellyfin.Database.Implementations/DbConfiguration/DatabaseConfigurationOptions.cs

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace Jellyfin.Database.Implementations.DbConfiguration;
 
 /// <summary>
@@ -10,6 +12,11 @@ public class DatabaseConfigurationOptions
     /// </summary>
     public required string DatabaseType { get; set; }
 
+    /// <summary>
+    /// Gets or sets the options required to use a custom database provider.
+    /// </summary>
+    public CustomDatabaseOptions? CustomProviderOptions { get; set; }
+
     /// <summary>
     /// Gets or Sets the kind of locking behavior jellyfin should perform. Possible options are "NoLock", "Pessimistic", "Optimistic".
     /// Defaults to "NoLock".