Created
August 19, 2020 18:03
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| import 'dart:convert'; | |
| import 'package:shared_preferences/shared_preferences.dart'; | |
| import 'package:streaming_shared_preferences/streaming_shared_preferences.dart'; | |
| class LocalStorage { | |
| static const String NOTIFICATIONS = "notifications"; | |
| static const String LOAD_NOTIFICATION = "load_notification"; | |
| static const String LOAD_NOTIFICATION_TYPE = "load_notification_type"; | |
| static const String LOAD_NOTIFICATION_TYPE_TITLE = | |
| "load_notification_type_title"; | |
| static const String ENABLE_PUSH_NOTIFICATIONS = "enable_push_notifications"; | |
| static const String ENABLE_EMAIL_NOTIFICATIONS = "enable_email_notifications"; | |
| Future<SharedPreferences> _prefs = SharedPreferences.getInstance(); | |
| Future<String> getNotifications() async { | |
| final SharedPreferences prefs = await _prefs; | |
| String notifications; | |
| if (prefs.containsKey(NOTIFICATIONS)) { | |
| notifications = prefs.getString(NOTIFICATIONS); | |
| } | |
| return notifications; | |
| } | |
| Future<bool> deleteNotification(int index) async { | |
| final SharedPreferences prefs = await _prefs; | |
| bool deleted = false; | |
| if (prefs.containsKey(NOTIFICATIONS)) { | |
| String data = prefs.getString(NOTIFICATIONS); | |
| var notificationArr = jsonDecode(data); | |
| notificationArr.removeAt(index); | |
| prefs.setString(NOTIFICATIONS, jsonEncode(notificationArr)); | |
| deleted = true; | |
| } | |
| return deleted; | |
| } | |
| Future<bool> deleteAllNotification() async { | |
| final SharedPreferences prefs = await _prefs; | |
| bool deleted = false; | |
| if (prefs.containsKey(NOTIFICATIONS)) { | |
| var notificationArr = []; | |
| prefs.setString(NOTIFICATIONS, jsonEncode(notificationArr)); | |
| deleted = true; | |
| } | |
| return deleted; | |
| } | |
| bool isNumeric(String s) { | |
| if (s == null) { | |
| return false; | |
| } | |
| return double.parse(s, (e) => null) != null; | |
| } | |
| Future<void> addNotification(var msg, bool loadMsg) async { | |
| var newMsg = jsonDecode(jsonEncode(msg)); | |
| final preferences = await StreamingSharedPreferences.instance; | |
| if (loadMsg) { | |
| print(msg); | |
| var data; | |
| var notificationType = newMsg['data']['notification_type']; | |
| var notificationTitle = newMsg['data']['title']; | |
| if(notificationType != null){ | |
| if(notificationType == 'sports'){ | |
| data = newMsg['data']['matchId']; | |
| }else{ | |
| data = newMsg['data']['article_id']; | |
| } | |
| }else { | |
| notificationType = "article"; | |
| data = newMsg['data']['article_id']; | |
| } | |
| if (isNumeric(data)) { | |
| int articleId = int.parse(data); | |
| preferences.setInt(LOAD_NOTIFICATION, articleId); | |
| preferences.setString(LOAD_NOTIFICATION_TYPE, notificationType); | |
| preferences.setString(LOAD_NOTIFICATION_TYPE_TITLE, notificationTitle); | |
| } | |
| newMsg['data']['isNew'] = false; | |
| } else { | |
| newMsg['data']['isNew'] = true; | |
| } | |
| String oldNotifications = await getNotifications(); | |
| var newNotifications = []; | |
| if (oldNotifications != null) { | |
| newNotifications = jsonDecode(oldNotifications); | |
| } | |
| newNotifications.toSet().toList(); | |
| newNotifications.add(jsonEncode(newMsg)); | |
| preferences.setString(NOTIFICATIONS, jsonEncode(newNotifications)); | |
| } | |
| Future<void> setOpenedAllNotifications() async { | |
| final preferences = await StreamingSharedPreferences.instance; | |
| String oldNotifications = await getNotifications(); | |
| var newNotifications = []; | |
| newNotifications.toSet().toList(); | |
| if (oldNotifications != null) { | |
| var data = jsonDecode(oldNotifications); | |
| data.forEach((val) { | |
| var newMsg = jsonDecode(val); | |
| newMsg['data']['isNew'] = false; | |
| newNotifications.add(jsonEncode(newMsg)); | |
| }); | |
| } | |
| preferences.setString(NOTIFICATIONS, jsonEncode(newNotifications)); | |
| } | |
| Future togglePushNotification(bool status) async { | |
| final SharedPreferences prefs = await _prefs; | |
| prefs.setBool(ENABLE_PUSH_NOTIFICATIONS, status); //turn on flag | |
| } | |
| Future getPushNotificationStatus() async { | |
| final SharedPreferences prefs = await _prefs; | |
| bool status = false; | |
| if (!prefs.containsKey(ENABLE_PUSH_NOTIFICATIONS)) { | |
| await togglePushNotification(true); | |
| } | |
| status = prefs.getBool(ENABLE_PUSH_NOTIFICATIONS); | |
| return status; | |
| } | |
| Future toggleEmailNotification(bool status) async { | |
| final SharedPreferences prefs = await _prefs; | |
| prefs.setBool(ENABLE_EMAIL_NOTIFICATIONS, status); //turn on flag | |
| } | |
| Future getEmailNotificationStatus() async { | |
| final SharedPreferences prefs = await _prefs; | |
| bool status = false; | |
| if (!prefs.containsKey(ENABLE_EMAIL_NOTIFICATIONS)) { | |
| await toggleEmailNotification(true); | |
| } | |
| status = prefs.getBool(ENABLE_EMAIL_NOTIFICATIONS); | |
| return status; | |
| } | |
| } |
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