Configure data sources (#259)

app/MindWork AI Studio/Settings/DataModel/Data.cs

@@ -25,6 +25,11 @@ public sealed class Data
     /// A collection of embedding providers configured.
     /// </summary>
     public List<EmbeddingProvider> EmbeddingProviders { get; init; } = [];
+
+    /// <summary>
+    /// A collection of data sources configured.
+    /// </summary>
+    public List<IDataSource> DataSources { get; set; } = [];
     
     /// <summary>
     /// List of configured profiles.
@@ -41,6 +46,11 @@ public sealed class Data
     /// </summary>
     public uint NextEmbeddingNum { get; set; } = 1;
 
+    /// <summary>
+    /// The next data source number to use.
+    /// </summary>
+    public uint NextDataSourceNum { get; set; } = 1;
+
     /// <summary>
     /// The next profile number to use.
     /// </summary>

app/MindWork AI Studio/Settings/DataModel/DataSourceERI_V1.cs

@@ -0,0 +1,46 @@
+using ERI_Client.V1;
+
+// ReSharper disable InconsistentNaming
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// An external data source, accessed via an ERI server, cf. https://github.com/MindWorkAI/ERI.
+/// </summary>
+public readonly record struct DataSourceERI_V1 : IERIDataSource
+{
+    public DataSourceERI_V1()
+    {
+    }
+    
+    /// <inheritdoc />
+    public uint Num { get; init; }
+
+    /// <inheritdoc />
+    public string Id { get; init; } = Guid.Empty.ToString();
+    
+    /// <inheritdoc />
+    public string Name { get; init; } = string.Empty;
+    
+    /// <inheritdoc />
+    public DataSourceType Type { get; init; } = DataSourceType.NONE;
+    
+    /// <summary>
+    /// The hostname of the ERI server.
+    /// </summary>
+    public string Hostname { get; init; } = string.Empty;
+    
+    /// <summary>
+    /// The port of the ERI server.
+    /// </summary>
+    public int Port { get; init; }
+
+    /// <summary>
+    /// The authentication method to use.
+    /// </summary>
+    public AuthMethod AuthMethod { get; init; } = AuthMethod.NONE;
+
+    /// <summary>
+    /// The username to use for authentication, when the auth. method is USERNAME_PASSWORD.
+    /// </summary>
+    public string Username { get; init; } = string.Empty;
+}

app/MindWork AI Studio/Settings/DataModel/DataSourceLocalDirectory.cs

@@ -0,0 +1,31 @@
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// Represents a local directory as a data source.
+/// </summary>
+public readonly record struct DataSourceLocalDirectory : IInternalDataSource
+{
+    public DataSourceLocalDirectory()
+    {
+    }
+
+    /// <inheritdoc />
+    public uint Num { get; init; }
+
+    /// <inheritdoc />
+    public string Id { get; init; } = Guid.Empty.ToString();
+    
+    /// <inheritdoc />
+    public string Name { get; init; } = string.Empty;
+    
+    /// <inheritdoc />
+    public DataSourceType Type { get; init; } = DataSourceType.NONE;
+    
+    /// <inheritdoc />
+    public string EmbeddingId { get; init; } = Guid.Empty.ToString();
+    
+    /// <summary>
+    /// The path to the directory.
+    /// </summary>
+    public string Path { get; init; } = string.Empty;
+}

app/MindWork AI Studio/Settings/DataModel/DataSourceLocalFile.cs

@@ -0,0 +1,31 @@
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// Represents one local file as a data source.
+/// </summary>
+public readonly record struct DataSourceLocalFile : IInternalDataSource
+{
+    public DataSourceLocalFile()
+    {
+    }
+
+    /// <inheritdoc />
+    public uint Num { get; init; }
+
+    /// <inheritdoc />
+    public string Id { get; init; } = Guid.Empty.ToString();
+    
+    /// <inheritdoc />
+    public string Name { get; init; } = string.Empty;
+    
+    /// <inheritdoc />
+    public DataSourceType Type { get; init; } = DataSourceType.NONE;
+    
+    /// <inheritdoc />
+    public string EmbeddingId { get; init; } = Guid.Empty.ToString();
+    
+    /// <summary>
+    /// The path to the file.
+    /// </summary>
+    public string FilePath { get; init; } = string.Empty;
+}

app/MindWork AI Studio/Settings/DataModel/DataSourceType.cs

@@ -0,0 +1,27 @@
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// AI Studio data source types.
+/// </summary>
+public enum DataSourceType
+{
+    /// <summary>
+    /// No data source.
+    /// </summary>
+    NONE = 0,
+    
+    /// <summary>
+    /// One file on the local machine (or a network share).
+    /// </summary>
+    LOCAL_FILE,
+    
+    /// <summary>
+    /// A directory on the local machine (or a network share).
+    /// </summary>
+    LOCAL_DIRECTORY,
+    
+    /// <summary>
+    /// External data source accessed via an ERI server, cf. https://github.com/MindWorkAI/ERI.
+    /// </summary>
+    ERI_V1,
+}

app/MindWork AI Studio/Settings/DataModel/DataSourceTypeExtension.cs

@@ -0,0 +1,24 @@
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// Extension methods for data source types.
+/// </summary>
+public static class DataSourceTypeExtension
+{
+    /// <summary>
+    /// Get the display name of the data source type.
+    /// </summary>
+    /// <param name="type">The data source type.</param>
+    /// <returns>The display name of the data source type.</returns>
+    public static string GetDisplayName(this DataSourceType type)
+    {
+        return type switch
+        {
+            DataSourceType.LOCAL_FILE => "Local File",
+            DataSourceType.LOCAL_DIRECTORY => "Local Directory",
+            DataSourceType.ERI_V1 => "External ERI Server (v1)",
+            
+            _ => "None",
+        };
+    }
+}