20260706170339

code/app/app-rn/src/helpers/notification.ts

@@ -0,0 +1,52 @@
+import * as Notifications from "expo-notifications";
+
+// -- 初始化配置 --
+Notifications.setNotificationHandler({
+  handleNotification: async () => ({
+    shouldShowAlert: true,
+    shouldPlaySound: true,
+    shouldSetBadge: false,
+  }),
+});
+
+// -- 请求权限 --
+export async function requestNotificationPermission(): Promise<boolean> {
+  const { status } = await Notifications.requestPermissionsAsync();
+  return status === "granted";
+}
+
+// -- 预定提醒通知 --
+export async function scheduleTodoReminder(
+  todoId: number,
+  todoName: string,
+  remindAt: string,
+) {
+  if (!remindAt) return null;
+
+  const triggerDate = new Date(remindAt);
+  if (triggerDate <= new Date()) return null; // 时间已过，不预定
+
+  return Notifications.scheduleNotificationAsync({
+    content: {
+      title: "⏰ 待办提醒",
+      body: `「${todoName}」该处理了`,
+      data: { todoId, type: "todo_reminder" },
+    },
+    trigger: { type: Notifications.SchedulableTriggerInputTypes.DATE, date: triggerDate },
+  });
+}
+
+// -- 取消提醒通知 --
+export async function cancelTodoReminder(identifier: string) {
+  await Notifications.cancelScheduledNotificationAsync(identifier);
+}
+
+// -- 取消某个todo的所有提醒 --
+export async function cancelTodoReminders(todoId: number) {
+  const scheduled = await Notifications.getAllScheduledNotificationsAsync();
+  for (const n of scheduled) {
+    if ((n.content.data as any)?.todoId === todoId) {
+      await Notifications.cancelScheduledNotificationAsync(n.identifier);
+    }
+  }
+}