53 lines
1.2 KiB
Dart
53 lines
1.2 KiB
Dart
import 'package:flutter/foundation.dart';
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import '../models/todo.dart';
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import '../storage/todo_storage.dart';
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class ToDoProvider with ChangeNotifier {
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List<ToDo> _todos = [];
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final ToDoStorage storage;
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ToDoProvider(this.storage) {
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loadTasks();
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}
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List<ToDo> get todos => _todos;
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void addTask(ToDo todo) {
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_todos.add(todo);
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storage.addTask(todo);
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notifyListeners();
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}
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void removeTask(int index) {
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storage.removeTask(index);
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_todos.removeAt(index);
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notifyListeners();
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}
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void toggleCompletion(int index) {
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_todos[index].isCompleted = !_todos[index].isCompleted;
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storage.updateTask(index, _todos[index]);
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notifyListeners();
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}
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Future<void> loadTasks() async {
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_todos = await storage.fetchTasks();
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notifyListeners();
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}
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void sortByDeadline() {
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_todos.sort((a, b) => a.deadline.compareTo(b.deadline));
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notifyListeners();
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}
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void sortByPriority() {
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Map<String, int> priorityMap = {'High': 1, 'Medium': 2, 'Low': 3};
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_todos.sort((a, b) => priorityMap[a.priority]!.compareTo(priorityMap[b.priority]!));
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notifyListeners();
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}
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void sortByStatus() {
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_todos.sort((a, b) => a.isCompleted ? 1 : -1);
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notifyListeners();
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}
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} |