feat:增加待办提醒功能

lib/main.dart

@@ -1,13 +1,28 @@
 import 'package:fluent_ui/fluent_ui.dart';
+import 'package:hive_flutter/adapters.dart';
+import 'package:task_hub/models/task.dart';
 import 'package:task_hub/pages/home_page.dart';
 import 'package:task_hub/pages/schedule_page.dart';
 import 'package:task_hub/pages/settings_page.dart';
 import 'package:task_hub/pages/task_page.dart';
+import 'package:task_hub/utils/notice.dart';
+import 'package:timezone/data/latest.dart' as tz;
 import 'package:window_size/window_size.dart';
 
-void main() {
+void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   setWindowMinSize(const Size(800, 600));
+
+  tz.initializeTimeZones();
+
+  await Hive.initFlutter();
+  Hive.registerAdapter(TaskAdapter());
+  await Hive.openBox<Task>('taskBox');
+
+  await initNotify();
+
+  checkScheduleTime();
+
   runApp(const TaskHubApp());
 }
 
@@ -21,7 +36,7 @@ class TaskHubApp extends StatelessWidget {
       themeMode: ThemeMode.system,
       theme: FluentThemeData(
         fontFamily: 'CustomFont',
-        accentColor: Colors.purple
+        accentColor: Colors.purple,
       ),
       debugShowCheckedModeBanner: false,
       home: const MainLayout(),

lib/models/schedule.dart

@@ -13,6 +13,6 @@ class Schedule {
     required this.endTime,
     this.scheduleTime,
     DateTime? createTime,
-  }) : id = id ?? DateTime.timestamp().microsecond,
-        createTime = DateTime.now();
-}
+  }) : id = id ?? DateTime.now().millisecondsSinceEpoch ~/ 1000,
+       createTime = DateTime.now();
+}

lib/models/task.dart

@@ -1,7 +1,7 @@
 import 'package:hive/hive.dart';
 
 // flutter packages pub run build_runner build
-// part 'todo.g.dart';
+part 'task.g.dart';
 
 @HiveType(typeId: 0)
 class Task extends HiveObject {
@@ -45,10 +45,11 @@ class Task extends HiveObject {
     this.isCompleted = false,
     Priority priority = Priority.medium,
     DateTime? createTime,
-  }) : id = id ?? DateTime.timestamp().microsecond,
+    DateTime? updateTime,
+  }) : id = id ?? DateTime.now().millisecondsSinceEpoch ~/ 1000,
        this.priorityIndex = priority.index,
-       createTime = DateTime.now(),
-       updateTime = DateTime.now();
+       createTime = createTime ?? DateTime.now(),
+       updateTime = updateTime ?? DateTime.now();
 }
 
 enum Priority { low, medium, high }

lib/models/task.g.dart

@@ -0,0 +1,65 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'task.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class TaskAdapter extends TypeAdapter<Task> {
+  @override
+  final int typeId = 0;
+
+  @override
+  Task read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return Task(
+      id: fields[0] as int?,
+      title: fields[1] as String,
+      desc: fields[2] as String?,
+      dueDate: fields[3] as DateTime?,
+      scheduleTime: fields[4] as DateTime?,
+      isCompleted: fields[5] as bool,
+      createTime: fields[7] as DateTime?,
+    )
+      ..priorityIndex = fields[6] as int
+      ..updateTime = fields[8] as DateTime;
+  }
+
+  @override
+  void write(BinaryWriter writer, Task obj) {
+    writer
+      ..writeByte(9)
+      ..writeByte(0)
+      ..write(obj.id)
+      ..writeByte(1)
+      ..write(obj.title)
+      ..writeByte(2)
+      ..write(obj.desc)
+      ..writeByte(3)
+      ..write(obj.dueDate)
+      ..writeByte(4)
+      ..write(obj.scheduleTime)
+      ..writeByte(5)
+      ..write(obj.isCompleted)
+      ..writeByte(6)
+      ..write(obj.priorityIndex)
+      ..writeByte(7)
+      ..write(obj.createTime)
+      ..writeByte(8)
+      ..write(obj.updateTime);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is TaskAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/notice.dart

@@ -1,31 +0,0 @@
-import 'package:flutter_local_notifications/flutter_local_notifications.dart';
-
-// 初始化通知
-Future<void> _initNotify() async {
-  final notify = FlutterLocalNotificationsPlugin();
-  await notify.initialize(
-    const InitializationSettings(
-      windows: WindowsInitializationSettings(
-          appName: 'TaskHub',
-          appUserModelId: 'com.cxx.task',
-          guid: 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
-          iconPath: 'assets/icons/task.png'
-      ),
-    ),
-  );
-}
-
-// 发送通知
-Future<void> _showNotify(String title, String text) async {
-  final notify = FlutterLocalNotificationsPlugin();
-  final id = DateTime.now().millisecondsSinceEpoch.remainder(10000);
-
-  await notify.show(
-    id,
-    title,
-    text,
-    const NotificationDetails(
-      windows: WindowsNotificationDetails(),
-    ),
-  );
-}

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,
         );
       }
     });

lib/utils/common.dart

@@ -0,0 +1,3 @@
+bool isSameDate(DateTime a, DateTime b) {
+  return a.year == b.year && a.month == b.month && a.day == b.day;
+}

lib/utils/notice.dart

@@ -0,0 +1,82 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:hive/hive.dart';
+import 'package:timezone/timezone.dart' as tz;
+
+import '../models/task.dart';
+import 'common.dart';
+
+// 初始化通知
+Future<void> initNotify() async {
+  final notify = FlutterLocalNotificationsPlugin();
+  await notify.initialize(
+    const InitializationSettings(
+      windows: WindowsInitializationSettings(
+        appName: 'TaskHub',
+        appUserModelId: 'com.cxx.task',
+        guid: 'f47ac10b-58cc-4372-a567-0e02b2c3d479',
+        iconPath: 'assets/icons/app_icon.ico',
+      ),
+    ),
+  );
+}
+
+Future<void> showNotify(String title, String body) async {
+  final notify = FlutterLocalNotificationsPlugin();
+  final id = DateTime.now().millisecondsSinceEpoch.remainder(10000);
+
+  await notify.show(
+    id,
+    title,
+    body,
+    const NotificationDetails(windows: WindowsNotificationDetails()),
+  );
+}
+
+// 发送通知
+Future<void> scheduleNotification(
+  int id,
+  String title,
+  String body,
+  DateTime scheduleTime,
+) async {
+  final notify = FlutterLocalNotificationsPlugin();
+
+  final local = tz.getLocation('Asia/Shanghai');
+  final tzTime = tz.TZDateTime.from(scheduleTime, local);
+
+  await notify.zonedSchedule(
+    id,
+    title,
+    body,
+    tzTime,
+    const NotificationDetails(windows: WindowsNotificationDetails()),
+    androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
+  );
+}
+
+// 取消通知
+Future<void> cancelAllSchedule() async {
+  final notify = FlutterLocalNotificationsPlugin();
+
+  await notify.cancelAll();
+}
+
+void checkScheduleTime() {
+  final taskBox = Hive.box<Task>('taskBox');
+  final now = DateTime.now();
+
+  cancelAllSchedule();
+  for (var task in taskBox.values) {
+    if (task.scheduleTime != null &&
+        !task.isCompleted &&
+        isSameDate(task.scheduleTime!, DateTime.now()) &&
+        task.scheduleTime!.isAfter(now)) {
+      scheduleNotification(
+        task.id,
+        task.title,
+        task.desc ?? '',
+        task.scheduleTime!,
+      );
+    }
+  }
+}

lib/widgets/common.dart

@@ -79,6 +79,9 @@ Widget buildOmniDateButton({
     onPressed: () async {
       final DateTime? picked = await showOmniDateTimePicker(
         context: context,
+        constraints: const BoxConstraints(
+          maxWidth: 400,
+        ),
         initialDate: selectedDate ?? DateTime.now(),
         firstDate: DateTime(
           DateTime.now().year,

lib/widgets/task_dialog.dart

@@ -19,6 +19,7 @@ class _TaskDialogState extends State<TaskDialog> {
   late Priority _selectedPriority;
   DateTime? _selectedDueDate;
   DateTime? _selectedScheduleTime;
+  DateTime? _createTime;
   final _formKey = GlobalKey<FormState>();
 
   @override
@@ -29,6 +30,7 @@ class _TaskDialogState extends State<TaskDialog> {
     _selectedPriority = widget.task?.priority ?? Priority.medium;
     _selectedDueDate = widget.task?.dueDate;
     _selectedScheduleTime = widget.task?.scheduleTime;
+    _createTime = widget.task?.createTime;
   }
 
   @override
@@ -38,8 +40,22 @@ class _TaskDialogState extends State<TaskDialog> {
     super.dispose();
   }
 
-  void onConfirmClick() {
+  void onConfirmClick() async {
     if (_formKey.currentState!.validate()) {
+      if (_selectedScheduleTime != null &&
+          _selectedScheduleTime!.isBefore(DateTime.now())) {
+        await displayInfoBar(
+          context,
+          builder: (context, close) {
+            return InfoBar(
+              title: const Text('提醒时间不能早于当前时间'),
+              severity: InfoBarSeverity.error,
+            );
+          },
+        );
+        return;
+      }
+
       final task = Task(
         id: widget.task?.id,
         title: _titleController.text,
@@ -48,6 +64,7 @@ class _TaskDialogState extends State<TaskDialog> {
         scheduleTime: _selectedScheduleTime,
         priority: _selectedPriority,
         isCompleted: widget.task?.isCompleted ?? false,
+        createTime: _createTime,
       );
       widget.onSave(task);
       Navigator.pop(context);

lib/widgets/task_item.dart

@@ -1,4 +1,5 @@
 import 'package:fluent_ui/fluent_ui.dart';
+import 'package:intl/intl.dart';
 import 'package:task_hub/models/task.dart';
 
 class TaskItem extends StatelessWidget {
@@ -39,11 +40,14 @@ class TaskItem extends StatelessWidget {
                       Expanded(child: _buildTitle(context)),
                     ],
                   ),
-                  const SizedBox(height: 4),
-                  if (task.desc != null && task.desc!.isNotEmpty) _buildDesc(),
-                  const SizedBox(height: 4),
-                  if (task.dueDate != null || task.scheduleTime != null)
+                  if (task.desc != null && task.desc!.isNotEmpty) ...[
+                    const SizedBox(height: 4),
+                    _buildDesc(),
+                  ],
+                  if (task.dueDate != null || task.scheduleTime != null) ...[
+                    const SizedBox(height: 4),
                     _buildDate(),
+                  ]
                 ],
               ),
             ),
@@ -92,7 +96,7 @@ class TaskItem extends StatelessWidget {
           Icon(FluentIcons.calendar, size: 12, color: Colors.grey),
           const SizedBox(width: 4),
           Text(
-            '截止日期: ${_formatDate(task.dueDate!)}',
+            '截止日期: ${DateFormat('yyyy-MM-dd').format(task.dueDate!)}',
             style: TextStyle(color: Colors.grey, fontSize: 12),
           ),
           const SizedBox(width: 4),
@@ -101,7 +105,7 @@ class TaskItem extends StatelessWidget {
           Icon(FluentIcons.clock, size: 12, color: Colors.grey),
           const SizedBox(width: 4),
           Text(
-            '提醒日期: ${_formatDate(task.scheduleTime!)}',
+            '提醒日期: ${DateFormat('yyyy-MM-dd HH:mm:ss').format(task.scheduleTime!)}',
             style: TextStyle(color: Colors.grey, fontSize: 12),
           ),
         ],
@@ -181,8 +185,4 @@ class TaskItem extends StatelessWidget {
       ),
     );
   }
-
-  String _formatDate(DateTime date) {
-    return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
-  }
 }

pubspec.lock

@@ -17,6 +17,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.4.1"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: a96e8b390886ee8abb49b7bd3ac8df6f451c621619f52a26e815fdcf568959ff
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.0.9"
   args:
     dependency: transitive
     description:
@@ -129,6 +137,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.4"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: ff6785f7e9e3c38ac98b2fb035701789de90154024a75b6cb926445e83197d1c
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.4.2"
   clock:
     dependency: transitive
     description:
@@ -153,6 +169,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.19.1"
+  console:
+    dependency: transitive
+    description:
+      name: console
+      sha256: e04e7824384c5b39389acdd6dc7d33f3efe6b232f6f16d7626f194f6a01ad69a
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.1.0"
   convert:
     dependency: transitive
     description:
@@ -312,6 +336,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.0.0"
+  get_it:
+    dependency: transitive
+    description:
+      name: get_it
+      sha256: "568d62f0e68666fb5d95519743b3c24a34c7f19d834b0658c46e26d778461f66"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "9.2.1"
   glob:
     dependency: transitive
     description:
@@ -376,6 +408,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.1.2"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: f9881ff4998044947ec38d098bc7c8316ae1186fa786eddffdb867b9bc94dfce
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.8.0"
   intl:
     dependency: "direct main"
     description:
@@ -504,6 +544,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.0"
+  msix:
+    dependency: "direct dev"
+    description:
+      name: msix
+      sha256: b6b08e7a7b5d1845f2b1d31216d5b1fb558e98251efefe54eb79ed00d27bc2ac
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.16.13"
   nested:
     dependency: transitive
     description:
@@ -616,6 +664,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.5.2"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: "185ef7606574f789b40f289c233efa52e96dead518aed988e040a10737febb07"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "6.5.0"
   provider:
     dependency: transitive
     description:
@@ -790,7 +846,7 @@ packages:
     source: hosted
     version: "0.7.7"
   timezone:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: timezone
       sha256: dd14a3b83cfd7cb19e7888f1cbc20f258b8d71b54c06f79ac585f14093a287d1

pubspec.yaml

@@ -1 +1 @@
-name: task_hub
+name: task_hub