Filter assistant types for single input/output

Signed-off-by: Milen Pivchev <milen.pivchev@gmail.com>

Author: mpivchev

Sources/NextcloudKit/Models/Assistant/v2/TaskTypes.swift

@@ -29,6 +29,9 @@ public struct TaskTypes: Codable {
 }
 
 public struct TaskTypeData: Codable {
+    public typealias TaskInputShape = [String: Shape]
+    public typealias TaskOutputShape = [String: Shape]
+    
     public var id: String?
     public let name: String?
     public let description: String?
@@ -42,21 +45,21 @@ public struct TaskTypeData: Codable {
         self.inputShape = inputShape
         self.outputShape = outputShape
     }
-}
-
-public struct TaskInputShape: Codable {
-    public let input: Shape?
 
-    public init(input: Shape?) {
-        self.input = input
+    public func isChat() -> Bool {
+        id == "core:text2text:chat"
     }
-}
 
-public struct TaskOutputShape: Codable {
-    public let output: Shape?
+    public func isTranslate() -> Bool {
+        id?.contains("translate") == true
+    }
 
-    public init(output: Shape?) {
-        self.output = output
+    public func isSingleTextInputOutput(supportedTaskType: String = "Text") -> Bool {
+        guard let inputShape, let outputShape else { return false }
+        return inputShape.count == 1 &&
+               outputShape.count == 1 &&
+               inputShape.values.first?.type == supportedTaskType &&
+               outputShape.values.first?.type == supportedTaskType
     }
 }
 

Sources/NextcloudKit/NextcloudKit+AssistantV2.swift

@@ -50,12 +50,11 @@ public extension NextcloudKit {
                     if let result = try? decoder.decode(OCSTaskTypesResponse.self, from: data) {
                         var types = result.ocs.data.types.map { (key, value) -> TaskTypeData in
                             var taskType = value
-                            taskType.id = key
+                            taskType.id = taskType.id ?? key
                             return taskType
                         }
                         types = types
-                            .filter { $0.inputShape?.input?.type == supportedTaskType && $0.outputShape?.output?.type == supportedTaskType }
-                            .sorted { ($0.id ?? "") < ($1.id ?? "") }
+                            .filter { $0.isSingleTextInputOutput(supportedTaskType: supportedTaskType) || $0.isChat() || $0.isTranslate() }
                         options.queue.async {
                             continuation.resume(returning: (account: account, types: types, responseData: response, error: .success))
                         }