feat:增加待办提醒功能

lib/pages/task_page.dart

@@ -2,7 +2,9 @@ import 'dart:ui';
 
 import 'package:fluent_ui/fluent_ui.dart';
 import 'package:flutter/material.dart' show SegmentedButton, ButtonSegment;
+import 'package:hive/hive.dart';
 import 'package:task_hub/models/task.dart';
+import 'package:task_hub/utils/notice.dart';
 import 'package:task_hub/widgets/task_dialog.dart';
 import 'package:task_hub/widgets/task_item.dart';
 
@@ -15,10 +17,24 @@ class TaskPage extends StatefulWidget {
 }
 
 class _TaskPageState extends State<TaskPage> {
-  final List<Task> _tasks = [];
+  late Box<Task> _taskBox;
+  List<Task> _tasks = [];
   String _filter = 'all';
   String _sortBy = 'created';
 
+  @override
+  void initState() {
+    super.initState();
+    _loadTasks();
+  }
+
+  void _loadTasks() {
+    _taskBox = Hive.box<Task>('taskBox');
+    setState(() {
+      _tasks = _taskBox.values.toList();
+    });
+  }
+
   List<Task> get _filteredTasks {
     List<Task> tasks = _tasks.where((task) {
       if (_filter == 'active') return !task.isCompleted;
@@ -48,10 +64,12 @@ class _TaskPageState extends State<TaskPage> {
     showDialog(
       context: context,
       builder: (context) => TaskDialog(
-        onSave: (task) {
+        onSave: (task) async {
+          await _taskBox.put(task.id, task);
           setState(() {
-            _tasks.add(task);
+            _tasks = _taskBox.values.toList();
           });
+          checkScheduleTime();
         },
       ),
     );
@@ -62,22 +80,26 @@ class _TaskPageState extends State<TaskPage> {
       context: context,
       builder: (context) => TaskDialog(
         task: task,
-        onSave: (editedTask) {
+        onSave: (editedTask) async {
+          editedTask.updateTime = DateTime.now();
+          await _taskBox.put(editedTask.id, editedTask);
           setState(() {
-            final index = _tasks.indexWhere((t) => t.id == task.id);
-            if (index != -1) {
-              _tasks[index] = editedTask;
-            }
+            _tasks = _taskBox.values.toList();
           });
+          checkScheduleTime();
         },
       ),
     );
   }
 
-  void _deleteTask(int taskId) {
+  void _deleteTask(int taskId) async {
+    final task = _tasks.firstWhere((t) => t.id == taskId);
+    await task.delete();
+
     setState(() {
-      _tasks.removeWhere((task) => task.id == taskId);
+      _tasks = _taskBox.values.toList();
     });
+    checkScheduleTime();
   }
 
   void _toggleTaskComplete(Task task) {
@@ -91,7 +113,7 @@ class _TaskPageState extends State<TaskPage> {
           createTime: task.createTime,
           dueDate: task.dueDate,
           isCompleted: !task.isCompleted,
-          priority: task.priority
+          priority: task.priority,
         );
       }
     });