Add option to use default ollama options

lib/providers/ai_platform.dart

@@ -19,6 +19,7 @@ class AiPlatform extends ChangeNotifier {
   String _model = "";
 
   bool _randomSeed = true;
+  bool _useDefault = true;
 
   int _nKeep = 48;
   int _seed = 0;
@@ -72,15 +73,15 @@ class AiPlatform extends ChangeNotifier {
       case AiPlatformType.ollama:
         _url = await GenerationManager.getOllamaUrl();
       case AiPlatformType.openAI:
-        _url =  "https://api.openai.com/v1/";
+        _url = "https://api.openai.com/v1/";
       case AiPlatformType.mistralAI:
-        _url =  "https://api.mistral.ai/v1/";
+        _url = "https://api.mistral.ai/v1/";
       default:
-        _url =  "";
+        _url = "";
     }
 
     _apiType = apiType;
-    
+
     notifyListeners();
   }
 
@@ -114,6 +115,11 @@ class AiPlatform extends ChangeNotifier {
     notifyListeners();
   }
 
+  set useDefault(bool useDefault) {
+    _useDefault = useDefault;
+    notifyListeners();
+  }
+
   set nKeep(int nKeep) {
     _nKeep = nKeep;
     notifyListeners();
@@ -221,6 +227,7 @@ class AiPlatform extends ChangeNotifier {
   String get url => _url;
   String get model => _model;
   bool get randomSeed => _randomSeed;
+  bool get useDefault => _useDefault;
   int get nKeep => _nKeep;
   int get seed => _seed;
   int get nPredict => _nPredict;
@@ -250,8 +257,8 @@ class AiPlatform extends ChangeNotifier {
     if (inputJson.isEmpty) {
       resetAll();
     } else {
-      _promptFormat = PromptFormatType
-          .values[inputJson["prompt_promptFormat"] ?? PromptFormatType.alpaca.index];
+      _promptFormat = PromptFormatType.values[
+          inputJson["prompt_promptFormat"] ?? PromptFormatType.alpaca.index];
       _apiType = AiPlatformType
           .values[inputJson["api_type"] ?? AiPlatformType.local.index];
       _preset = inputJson["preset"] ?? "Default";

lib/static/generation_manager.dart

@@ -176,28 +176,38 @@ class GenerationManager {
   static void ollamaRequest(List<ChatMessage> chatMessages, AiPlatform ai,
       void Function(String?) callback) async {
     try {
-      final chat = ChatOllama(
-        baseUrl: '${ai.url}/api',
-        defaultOptions: ChatOllamaOptions(
-          model: ai.model,
-          numKeep: ai.nKeep,
-          seed: ai.seed,
-          numPredict: ai.nPredict,
-          topK: ai.topK,
-          topP: ai.topP,
-          typicalP: ai.typicalP,
-          temperature: ai.temperature,
-          repeatPenalty: ai.penaltyRepeat,
-          frequencyPenalty: ai.penaltyFreq,
-          presencePenalty: ai.penaltyPresent,
-          mirostat: ai.mirostat,
-          mirostatTau: ai.mirostatTau,
-          mirostatEta: ai.mirostatEta,
-          numCtx: ai.nCtx,
-          numBatch: ai.nBatch,
-          numThread: ai.nThread,
-        ),
-      );
+      ChatOllama chat;
+      if (ai.useDefault) {
+        chat = ChatOllama(
+          baseUrl: '${ai.url}/api',
+          defaultOptions: ChatOllamaOptions(
+            model: ai.model,
+          ),
+        );
+      } else {
+        chat = ChatOllama(
+          baseUrl: '${ai.url}/api',
+          defaultOptions: ChatOllamaOptions(
+            model: ai.model,
+            numKeep: ai.nKeep,
+            seed: ai.seed,
+            numPredict: ai.nPredict,
+            topK: ai.topK,
+            topP: ai.topP,
+            typicalP: ai.typicalP,
+            temperature: ai.temperature,
+            repeatPenalty: ai.penaltyRepeat,
+            frequencyPenalty: ai.penaltyFreq,
+            presencePenalty: ai.penaltyPresent,
+            mirostat: ai.mirostat,
+            mirostatTau: ai.mirostatTau,
+            mirostatEta: ai.mirostatEta,
+            numCtx: ai.nCtx,
+            numBatch: ai.nBatch,
+            numThread: ai.nThread,
+          ),
+        );
+      }
 
       final stream = chat.stream(PromptValue.chat(chatMessages));
 
@@ -361,9 +371,11 @@ class GenerationManager {
     if (!Platform.isAndroid && !Platform.isIOS) {
       return true;
     }
-    
+
     // Get sdk version
-    final sdk = await DeviceInfoPlugin().androidInfo.then((value) => value.version.sdkInt);
+    final sdk = await DeviceInfoPlugin()
+        .androidInfo
+        .then((value) => value.version.sdkInt);
     var permissions = <Permission>[]; // List of permissions to request
 
     if (sdk <= 32) {
@@ -376,7 +388,8 @@ class GenerationManager {
 
     // Request permissions and check if all are granted
     Map<Permission, PermissionStatus> statuses = await permissions.request();
-    bool allPermissionsGranted = statuses.values.every((status) => status.isGranted);
+    bool allPermissionsGranted =
+        statuses.values.every((status) => status.isGranted);
 
     if (allPermissionsGranted) {
       Logger.log("Nearby Devices - permission granted");

lib/ui/mobile/widgets/parameter_widgets/use_default.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:maid/providers/ai_platform.dart';
+import 'package:provider/provider.dart';
+
+class UseDefaultParameter extends StatelessWidget {
+  const UseDefaultParameter({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AiPlatform>(builder: (context, ai, child) {
+      return SwitchListTile(
+        title: const Text('Use Default Parameters'),
+        value: ai.useDefault,
+        onChanged: (value) {
+          ai.useDefault = value;
+        },
+      );
+    });
+  }
+}

lib/ui/mobile/widgets/platform_widgets/ollama_platform.dart

@@ -21,6 +21,7 @@ import 'package:maid/ui/mobile/widgets/parameter_widgets/top_p_parameter.dart';
 import 'package:maid/ui/mobile/widgets/parameter_widgets/typical_p_parameter.dart';
 import 'package:maid/ui/mobile/widgets/dropdowns/model_dropdown.dart';
 import 'package:maid/ui/mobile/widgets/parameter_widgets/url_parameter.dart';
+import 'package:maid/ui/mobile/widgets/parameter_widgets/use_default.dart';
 
 class OllamaPlatform extends StatelessWidget {
   const OllamaPlatform({super.key});
@@ -45,6 +46,7 @@ class OllamaPlatform extends StatelessWidget {
         endIndent: 10,
         color: Theme.of(context).colorScheme.primary,
       ),
+      const UseDefaultParameter(),
       const PenalizeNlParameter(),
       const SeedParameter(),
       const NThreadsParameter(),