sendNotification static method

Implementation

static Future<void> sendNotification({
  required List<dynamic> deviceTokens,
  required String title,
  required String message,
  required String image,
}) async {
  final String serverKey = await getAccessToken();
  String endpointFirebaseCloudMessaging =
      'https://fcm.googleapis.com/v1/projects/chat-application-real-time/messages:send';

  for (String deviceToken in deviceTokens) {
    final Map<String, dynamic> notificationMessage = {
      'message': {
        'token': deviceToken,
        'notification': {
          'title': title,
          'body': message,
          'image': image,
        },
        'data': {
          'name': 'name',
          'title': title,
          'message': message,
          'image': image,
        }
      }
    };

    try {
      final http.Response response = await http.post(
        Uri.parse(endpointFirebaseCloudMessaging),
        headers: <String, String>{
          'Content-Type': 'application/json',
          'Authorization': 'Bearer $serverKey'
        },
        body: jsonEncode(notificationMessage),
      );

      if (response.statusCode == 200) {
        print("Notification sent successfully to device token: $deviceToken");
      } else {
        print(
            "Notification not sent to device token $deviceToken: ${response.body}");
      }
    } catch (e) {
      print("Error sending notification to device token $deviceToken: $e");
    }
  }
}