Separated notification service

2025-08-20 21:19:29 +02:00 · 2022-08-26 23:57:09 -04:00
parent 4c4a9093e4
commit 7932b909c0
3 changed files with 140 additions and 65 deletions
--- a/lib/services/notifications_provider.dart
+++ b/lib/services/notifications_provider.dart
@@ -0,0 +1,124 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:obtainium/services/source_service.dart';
+
+class ObtainiumNotification {
+  late int id;
+  late String title;
+  late String message;
+  late String channelCode;
+  late String channelName;
+  late String channelDescription;
+  Importance importance;
+
+  ObtainiumNotification(this.id, this.title, this.message, this.channelCode,
+      this.channelName, this.channelDescription, this.importance);
+}
+
+class UpdateNotification extends ObtainiumNotification {
+  UpdateNotification(List<App> updates)
+      : super(
+            2,
+            'Updates Available',
+            '',
+            'UPDATES_AVAILABLE',
+            'Updates Available',
+            'Notifies the user that updates are available for one or more Apps tracked by Obtainium',
+            Importance.max) {
+    message = updates.length == 1
+        ? '${updates[0].name} has an update.'
+        : '${(updates.length == 2 ? '${updates[0].name} and ${updates[1].name}' : '${updates[0].name} and ${updates.length - 1} more apps')} have updates.';
+  }
+}
+
+class ErrorCheckingUpdatesNotification extends ObtainiumNotification {
+  ErrorCheckingUpdatesNotification(String error)
+      : super(
+            5,
+            'Error Checking for Updates',
+            error,
+            'BG_UPDATE_CHECK_ERROR',
+            'Error Checking for Updates',
+            'A notification that shows when background update checking fails',
+            Importance.high);
+}
+
+final completeInstallationNotification = ObtainiumNotification(
+    1,
+    'Complete App Installation',
+    'Obtainium must be open to install Apps',
+    'COMPLETE_INSTALL',
+    'Complete App Installation',
+    'Asks the user to return to Obtanium to finish installing an App',
+    Importance.max);
+
+final checkingUpdatesNotification = ObtainiumNotification(
+    4,
+    'Checking for Updates',
+    '',
+    'BG_UPDATE_CHECK',
+    'Checking for Updates',
+    'Transient notification that appears when checking for updates',
+    Importance.min);
+
+class NotificationsProvider {
+  FlutterLocalNotificationsPlugin notifications =
+      FlutterLocalNotificationsPlugin();
+
+  bool isInitialized = false;
+
+  Map<Importance, Priority> importanceToPriority = {
+    Importance.defaultImportance: Priority.defaultPriority,
+    Importance.high: Priority.high,
+    Importance.low: Priority.low,
+    Importance.max: Priority.max,
+    Importance.min: Priority.min,
+    Importance.none: Priority.min,
+    Importance.unspecified: Priority.defaultPriority
+  };
+
+  Future<void> initialize() async {
+    isInitialized = await notifications.initialize(const InitializationSettings(
+            android: AndroidInitializationSettings('ic_notification'))) ??
+        false;
+  }
+
+  Future<void> cancel(int id) async {
+    if (!isInitialized) {
+      await initialize();
+    }
+    await notifications.cancel(id);
+  }
+
+  Future<void> notifyRaw(
+      int id,
+      String title,
+      String message,
+      String channelCode,
+      String channelName,
+      String channelDescription,
+      Importance importance,
+      {bool cancelExisting = false}) async {
+    if (cancelExisting) {
+      await cancel(id);
+    }
+    if (!isInitialized) {
+      await initialize();
+    }
+    await notifications.show(
+        id,
+        title,
+        message,
+        NotificationDetails(
+            android: AndroidNotificationDetails(channelCode, channelName,
+                channelDescription: channelDescription,
+                importance: importance,
+                priority: importanceToPriority[importance]!,
+                groupKey: 'dev.imranr.obtainium.$channelCode')));
+  }
+
+  Future<void> notify(ObtainiumNotification notif,
+          {bool cancelExisting = false}) =>
+      notifyRaw(notif.id, notif.title, notif.message, notif.channelCode,
+          notif.channelName, notif.channelDescription, notif.importance,
+          cancelExisting: cancelExisting);
+}