update processing

lib/domain/entities/package.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:fcs/domain/vo/delivery_address.dart';
 import 'package:fcs/domain/vo/shipment_status.dart';
@@ -36,42 +38,47 @@ class Package {
   DateTime arrivedDate;
   DeliveryAddress deliveryAddress;
 
+  //for packages in processing
+  List<File> photoFiles;
+
   int get amount => rate != null && weight != null ? rate * weight : 0;
 
   String get packageNumber =>
       shipmentNumber + "-" + receiverNumber + " #" + boxNumber;
   double get price => rate.toDouble() * weight;
 
-  Package(
-      {this.id,
-      this.trackingID,
-      this.userID,
-      this.userName,
-      this.fcsID,
-      this.phoneNumber,
-      this.shipmentNumber,
-      this.senderFCSID,
-      this.senderName,
-      this.receiverFCSID,
-      this.receiverName,
-      this.receiverNumber,
-      this.receiverAddress,
-      this.boxNumber,
-      this.rate,
-      this.weight,
-      this.packageType,
-      this.pickUpID,
-      this.remark,
-      this.status,
-      this.arrivedDate,
-      this.cargoDesc,
-      this.market,
-      this.shipmentHistory,
-      this.currentStatusDate,
-      this.photoUrls,
-      this.desc,
-      this.deliveryAddress,
-      this.isChecked = false});
+  Package({
+    this.id,
+    this.trackingID,
+    this.userID,
+    this.userName,
+    this.fcsID,
+    this.phoneNumber,
+    this.shipmentNumber,
+    this.senderFCSID,
+    this.senderName,
+    this.receiverFCSID,
+    this.receiverName,
+    this.receiverNumber,
+    this.receiverAddress,
+    this.boxNumber,
+    this.rate,
+    this.weight,
+    this.packageType,
+    this.pickUpID,
+    this.remark,
+    this.status,
+    this.arrivedDate,
+    this.cargoDesc,
+    this.market,
+    this.shipmentHistory,
+    this.currentStatusDate,
+    this.photoUrls,
+    this.desc,
+    this.deliveryAddress,
+    this.isChecked = false,
+    this.photoFiles,
+  });
 
   factory Package.fromMap(Map<String, dynamic> map, String docID) {
     var _currentStatusDate = (map['status_date'] as Timestamp);