Configure data sources (#259)

app/MindWork AI Studio/Settings/IDataSource.cs

@@ -0,0 +1,35 @@
+using System.Text.Json.Serialization;
+
+using AIStudio.Settings.DataModel;
+
+namespace AIStudio.Settings;
+
+/// <summary>
+/// The common interface for all data sources.
+/// </summary>
+[JsonPolymorphic(TypeDiscriminatorPropertyName = "$type_discriminator")]
+[JsonDerivedType(typeof(DataSourceLocalDirectory), nameof(DataSourceType.LOCAL_DIRECTORY))]
+[JsonDerivedType(typeof(DataSourceLocalFile), nameof(DataSourceType.LOCAL_FILE))]
+[JsonDerivedType(typeof(DataSourceERI_V1), nameof(DataSourceType.ERI_V1))]
+public interface IDataSource
+{
+    /// <summary>
+    /// The number of the data source.
+    /// </summary>
+    public uint Num { get; init; }
+
+    /// <summary>
+    /// The unique identifier of the data source.
+    /// </summary>
+    public string Id { get; init; }
+
+    /// <summary>
+    /// The name of the data source.
+    /// </summary>
+    public string Name { get; init; }
+
+    /// <summary>
+    /// Which type of data source is this?
+    /// </summary>
+    public DataSourceType Type { get; init; }
+}