More work with redux and load/persist data

lib/models/yourLocationPersist.dart

@@ -0,0 +1,41 @@
+import 'dart:convert';
+import '../globals.dart' as globals;
+import 'dart:async';
+import 'yourLocation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+final String locationKey = 'yourlocations';
+
+
+Future<List<YourLocation>> loadYourLocations() async {
+  return await globals.prefs.then((prefs) {
+    return loadYourLocationsWithPrefs(prefs);
+  });
+}
+
+persistYourLocations(List<YourLocation> yl) {
+  globals.prefs.then((prefs) {
+    List<String> yourLocationsAsString = [];
+    yl.forEach((location) {
+      yourLocationsAsString.add(json.encode(location.toJson()));
+    });
+    prefs.setStringList(locationKey, yourLocationsAsString);
+  });
+}
+
+Future<List<YourLocation>> loadYourLocationsWithPrefs(SharedPreferences prefs) async {
+  return await globals.prefs.then((prefs) {
+    List<String> yourLocations = prefs.getStringList(locationKey);
+    if (yourLocations == null) {
+      yourLocations = [];
+      persistYourLocations(<YourLocation>[]);
+    }
+    List<YourLocation> persistedList = List<YourLocation>();
+    yourLocations.forEach((locationString) {
+      Map locationMap = json.decode(locationString);
+     persistedList.add(YourLocation.fromJson(locationMap));
+    });
+    return persistedList;
+  });
+
+}