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Implement new feature to add daily reminders.
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102 changes: 102 additions & 0 deletions
102
lib/features/notes/data/repositories/notifications_repository.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| import 'package:dairy_app/core/logger/logger.dart'; | ||
| import 'package:dairy_app/features/notes/domain/repositories/notifications_repository.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_local_notifications/flutter_local_notifications.dart'; | ||
| import 'package:flutter_timezone/flutter_timezone.dart'; | ||
| import 'package:timezone/data/latest_all.dart' as tz; | ||
| import 'package:timezone/timezone.dart' as tz; | ||
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| final log = printer("NotificationsRepository"); | ||
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| class NotificationsRepository implements INotificationsRepository { | ||
| late FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin; | ||
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| NotificationsRepository({required this.flutterLocalNotificationsPlugin}); | ||
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| tz.TZDateTime nextInstanceOfTime(TimeOfDay time, tz.Location localTimeZOne) { | ||
| final tz.TZDateTime now = tz.TZDateTime.now(localTimeZOne); | ||
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| tz.TZDateTime scheduledDate = tz.TZDateTime( | ||
| tz.local, now.year, now.month, now.day, time.hour, time.minute); | ||
| if (scheduledDate.isBefore(now)) { | ||
| scheduledDate = scheduledDate.add(const Duration(days: 1)); | ||
| } | ||
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| log.i("Scheduling alarm at $scheduledDate"); | ||
| return scheduledDate; | ||
| } | ||
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| @override | ||
| Future<void> zonedScheduleNotification(TimeOfDay time) async { | ||
| try { | ||
| final permissionsEnabled = await areNotificationsEnabled(); | ||
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| log.w("permissions enabled = $permissionsEnabled"); | ||
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| if (!permissionsEnabled) { | ||
| // We can request permission from within the App for >= Android 13 | ||
| final arePermissionsGranted = await requestPermission(); | ||
| if (!arePermissionsGranted) { | ||
| throw Exception("Notification permissions are not enabled"); | ||
| } | ||
| } | ||
|
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| // inititalize time zones | ||
| tz.initializeTimeZones(); | ||
| final String? timeZoneName = await FlutterTimezone.getLocalTimezone(); | ||
| tz.setLocalLocation(tz.getLocation(timeZoneName!)); | ||
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| log.i("Local timezone = ${tz.local}"); | ||
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| // cancel all previously scheduled notifications before scheduling new ones | ||
| cancelAllNotifications(); | ||
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| await flutterLocalNotificationsPlugin.zonedSchedule( | ||
| 0, | ||
| 'Time to Journal!', | ||
| 'Take a few minutes to reflect on your day in your diary', | ||
| nextInstanceOfTime(time, tz.local), | ||
| const NotificationDetails( | ||
| android: AndroidNotificationDetails( | ||
| 'daily_reminder', | ||
| 'Daily reminders', | ||
| importance: Importance.high, | ||
| channelDescription: 'Daily Reminder Notifications', | ||
| ), | ||
| ), | ||
| androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle, | ||
| matchDateTimeComponents: DateTimeComponents.time, | ||
| uiLocalNotificationDateInterpretation: | ||
| UILocalNotificationDateInterpretation.absoluteTime); | ||
| } catch (e) { | ||
| log.e(e); | ||
| rethrow; | ||
| } | ||
| } | ||
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| Future<bool> areNotificationsEnabled() async { | ||
| final bool granted = await flutterLocalNotificationsPlugin | ||
| .resolvePlatformSpecificImplementation< | ||
| AndroidFlutterLocalNotificationsPlugin>() | ||
| ?.areNotificationsEnabled() ?? | ||
| false; | ||
| return granted; | ||
| } | ||
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| Future<bool> requestPermission() async { | ||
| final AndroidFlutterLocalNotificationsPlugin? androidImplementation = | ||
| flutterLocalNotificationsPlugin.resolvePlatformSpecificImplementation< | ||
| AndroidFlutterLocalNotificationsPlugin>(); | ||
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| final bool grantedNotificationPermission = | ||
| await androidImplementation?.requestNotificationsPermission() ?? false; | ||
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| return grantedNotificationPermission; | ||
| } | ||
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| @override | ||
| Future<void> cancelAllNotifications() async { | ||
| log.i("Cancelling all scheduled notifications"); | ||
| await flutterLocalNotificationsPlugin.cancelAll(); | ||
| } | ||
| } |
10 changes: 10 additions & 0 deletions
10
lib/features/notes/domain/repositories/notifications_repository.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import 'package:flutter/material.dart'; | ||
|
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| abstract class INotificationsRepository { | ||
| /// Schedules daily notification at [time] | ||
| Future<void> zonedScheduleNotification(TimeOfDay time); | ||
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| /// Cancels/removes all notifications that have been scheduled and those | ||
| /// that have already been presented. | ||
| Future<void> cancelAllNotifications(); | ||
| } |
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