Fire notifications

lib/models/fireNotificationsPersist.dart

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+import 'dart:async';
+import 'dart:convert';
+
+import 'package:fires_flutter/models/fireNotification.dart';
+
+import '../globals.dart' as globals;
+
+final String fireNotificationKey = 'fireNotifications';
+
+Future<List<FireNotification>> loadFireNotifications() async {
+  return await globals.prefs.then((prefs) {
+    List<String> FireNotifications = prefs.getStringList(fireNotificationKey);
+    List<FireNotification> persistedList = List<FireNotification>();
+    if (FireNotifications == null) {
+      FireNotifications = [];
+      // first run, init with empty list
+      persistFireNotifications(persistedList);
+    }
+    FireNotifications.forEach((notificationString) {
+      Map notificationMap = json.decode(notificationString);
+      persistedList.add(FireNotification.fromJson(notificationMap));
+    });
+    return persistedList;
+  });
+}
+
+persistFireNotifications(List<FireNotification> notif) {
+  print('Persisting $notif');
+  globals.prefs.then((prefs) {
+    List<String> notifAsString = [];
+    notif.forEach((notification) {
+      notifAsString.add(json.encode(notification.toJson()));
+    });
+    prefs.setStringList(fireNotificationKey, notifAsString);
+  });
+}