feat:合并待办和提醒功能

lib/pages/todo_page.dart

@@ -1,5 +1,6 @@
 import 'package:flisp_app/provider/todo_provider.dart';
 import 'package:flisp_app/service/todo_service.dart';
+import 'package:flisp_app/utils/notify_utils.dart';
 import 'package:flisp_app/widgets/awesome_dialog.dart';
 import 'package:flisp_app/widgets/todo_widget.dart';
 import 'package:flutter/material.dart';
@@ -21,6 +22,7 @@ class TodoPage extends StatefulWidget {
 
 class TodoPageState extends State<TodoPage> {
   final TodoService todoService = TodoService();
+  final NotifyService notifyService = NotifyService();
 
   late List<Todo> _todos;
   TodoTab _currentTab = TodoTab.active;
@@ -78,9 +80,13 @@ class TodoPageState extends State<TodoPage> {
   }
 
   // 切换待办事项完成状态
-  void _toggleTodo(Todo todo) {
+  void _toggleTodo(Todo todo) async {
+    await notifyService.cancelNotification(todo.id);
+
     setState(() {
-      todoService.updateTodoCompletion(todo, !todo.isCompleted);
+      todo.isCompleted = !todo.isCompleted;
+      todo.scheduledTime = null;
+      todoService.updateTodo(todo);
     });
   }
 
@@ -115,9 +121,22 @@ class TodoPageState extends State<TodoPage> {
   void _saveTodo(bool isEditing, Todo todo) async {
     late bool isSuccess;
     if (isEditing) {
-      isSuccess = await todoService.updateTodo(todo);
-    } else {
-      isSuccess = await todoService.addTodo(todo);
+      // 先删除
+      await notifyService.cancelNotification(todo.id);
+      await todoService.deleteTodo(todo);
+      // 在重新新建
+      todo.id = DateTime.now().millisecondsSinceEpoch ~/ 1000;
+    }
+
+    isSuccess = await todoService.addTodo(todo);
+
+    if (todo.scheduledTime != null) {
+      await notifyService.scheduleNotification(
+        id: todo.id,
+        title: todo.title,
+        body: todo.content,
+        scheduledTime: todo.scheduledTime!,
+      );
     }
 
     setState(() {