add delivery

lib/pages/carton/model/carton_model.dart

@@ -79,33 +79,10 @@ class CartonModel extends BaseModel {
     _loadBoxes();
 
     if (_delivered != null) _delivered.close();
-    // _delivered = _getDelivered();
-    _delivered = _getDeliveredExample();
+    _delivered = _getDelivered();
     _delivered.load();
   }
 
-  int count = 0;
-  Paginator _getDeliveredExample() {
-    count = 1;
-    var pageQuery = Firestore.instance
-        .collection(
-            "/users/8OTfsbVvsUOn1SLxy1OrKk7Y_yNKkVoGalPcIlcHnAY/messages")
-        .orderBy("date", descending: true);
-    var paginator = new Paginator(pageQuery, rowPerLoad: 20, toObj: (data, id) {
-      var m = Message.fromMap(data, id);
-      return Carton(
-        id: m.id,
-        shipmentNumber: m.message,
-        boxNumber: "1",
-        receiverNumber: "3",
-        rate: 0,
-        weight: 0,
-        arrivedDate: m.date,
-      );
-    });
-    return paginator;
-  }
-
   Future<void> _loadBoxes() async {
     if (user == null || !user.hasCarton()) return;
     String path = "/$cartons_collection/";