refactor

lib/classes/providers/artificial_intelligence.dart

@@ -44,6 +44,11 @@ class ArtificialIntelligence extends ChangeNotifier {
     await Future.wait(futures);
   }
 
+  void reset() {
+    llm.reset();
+    notify();
+  }
+
   void notify() {
     save().then((_) => notifyListeners());
   }

lib/classes/providers/character.dart

@@ -6,7 +6,7 @@ import 'package:crypto/crypto.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
-import 'package:maid/classes/providers/app_data.dart';
+import 'package:maid/classes/providers/characters.dart';
 import 'package:maid/classes/static/logger.dart';
 import 'package:image/image.dart';
 import 'package:maid/classes/static/utilities.dart';
@@ -32,7 +32,7 @@ class Character extends ChangeNotifier {
 
   Map<String, dynamic> _cachedJson = {};
 
-  static Character of(BuildContext context) => AppData.of(context).currentCharacter;
+  static Character of(BuildContext context) => CharacterCollection.of(context).current;
 
   Character(VoidCallback? listener) : _key = UniqueKey() {
     if (listener != null) {

lib/classes/providers/characters.dart

@@ -0,0 +1,105 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:maid/classes/providers/character.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class CharacterCollection extends ChangeNotifier {
+  static CharacterCollection of(BuildContext context) => Provider.of<CharacterCollection>(context, listen: false);
+
+  CharacterCollection(this._characters, this._current) {
+    _current.addListener(notify);
+  }
+
+  final List<Character> _characters;
+  Character _current;
+
+  List<Character> get list {
+    _characters.removeWhere((element) => element.key == _current.key);
+
+    return List.from([_current, ..._characters]);
+  }
+
+  Character get current => _current;
+
+  set current(Character character) {
+    _characters.insert(0, _current);
+
+    _current = character;
+
+    _current.addListener(notify);
+
+    save().then((value) => notifyListeners());
+  }
+
+  static Future<CharacterCollection> get last async {
+    final prefs = await SharedPreferences.getInstance();
+
+    String? charactersString = prefs.getString("characters");
+
+    List<Character> characters = [];
+
+    if (charactersString != null) {
+      characters = (json.decode(charactersString) as List).map((e) => Character.fromMap(null, e)).toList();
+    }
+
+    final character = await Character.last;
+
+    return CharacterCollection(
+      characters, 
+      character
+    );
+  }
+
+  Future<void> save() async {
+    final prefs = await SharedPreferences.getInstance();
+
+    _characters.removeWhere((element) => element.key == _current.key);
+    final characterMaps = _characters.map((e) => e.toMap()).toList();
+
+    final futures = [
+      prefs.setString("characters", json.encode(characterMaps)),
+      _current.save(),
+    ];
+
+    await Future.wait(futures);
+  }
+
+  void newCharacter() {
+    current = Character(notify);
+  }
+
+  void addCharacter(Character character) {
+    final index = _characters.indexWhere((element) => element.key == character.key);
+
+    if (index.isNegative) {
+      _characters.insert(0, character);
+      notifyListeners();
+    }
+  }
+
+  void removeCharacter(Character character) {
+    final index = _characters.indexWhere((element) => element.key == character.key);
+
+    if (!index.isNegative) {
+      _characters.removeAt(index);
+      notifyListeners();
+    }
+  }
+
+  void clearCharacters() {
+    _characters.clear();
+    notifyListeners();
+  }
+
+  void reset() {
+    clearCharacters();
+    _current = Character(notify);
+    notifyListeners();
+  }
+
+  void notify() {
+    save().then((value) => notifyListeners());
+  }
+}

lib/classes/providers/session.dart

@@ -6,8 +6,8 @@ import 'package:flutter/material.dart';
 import 'package:maid/classes/chat_node_tree.dart';
 import 'package:maid/classes/providers/app_preferences.dart';
 import 'package:maid/classes/providers/large_language_model.dart';
+import 'package:maid/classes/providers/sessions.dart';
 import 'package:maid/enumerators/chat_role.dart';
-import 'package:maid/classes/providers/app_data.dart';
 import 'package:maid/classes/providers/character.dart';
 import 'package:maid/classes/providers/user.dart';
 import 'package:maid/classes/static/logger.dart';
@@ -39,7 +39,7 @@ class Session extends ChangeNotifier {
     notifyListeners();
   }
 
-  static Session of(BuildContext context) => AppData.of(context).currentSession;
+  static Session of(BuildContext context) => Sessions.of(context).current;
 
   Session(VoidCallback? listener, int index) {
     if (listener != null) {