added controller to handle tasks globally

2026-06-12 12:24:02 +02:00
parent 6e6b9280c0
commit 4eab7e2743
1 changed files with 49 additions and 0 deletions
@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart' show ChangeNotifier;
+
+import '../model/repositories/interfaces/task_repository.dart';
+import '../model/task.dart';
+
+class TaskController extends ChangeNotifier {
+  TaskController(TaskRepository repository) : _repository = repository {
+    Future.wait([
+      _loadTaskOrder(),
+      _loadTasks(),
+    ]).whenComplete(() => notifyListeners());
+  }
+
+  final TaskRepository _repository;
+
+  final List<Task> _tasks = [];
+  final List<String> _taskOrder = [];
+
+  List<Task> get orderedTasks {
+    final lookup = {for (final task in _tasks) task.id: task};
+
+    return _taskOrder.map((id) => lookup[id]!).toList();
+  }
+
+  Future<void> reorderTask(int oldIndex, int newIndex) async {
+    final taskId = _taskOrder.removeAt(oldIndex);
+    _taskOrder.insert(newIndex, taskId);
+    _repository.saveTaskOrder(_taskOrder);
+  }
+
+  Future<void> saveTask(Task task) async {
+    await _repository.saveTask(task);
+    await _loadTasks();
+    await _loadTaskOrder();
+    notifyListeners();
+  }
+
+  Future<void> _loadTasks() async {
+    _tasks.clear();
+    return _repository.loadTasks().then((value) => _tasks.addAll(value));
+  }
+
+  Future<void> _loadTaskOrder() async {
+    _taskOrder.clear();
+    return _repository.loadTaskOrder().then(
+      (value) => _taskOrder.addAll(value),
+    );
+  }
+}