update invoice page

lib/domain/entities/shipment.dart

@@ -18,6 +18,7 @@ class Shipment {
   int numberOfPackage;
   int weight;
   double handlingFee;
+  double paidHandlingFee;
   String address;
   String status;
   bool isCourier;
@@ -31,6 +32,7 @@ class Shipment {
   String fcsShipmentID;
   String fcsShipmentNumber;
   String shipmentLabelUrl;
+  bool isSelected;
 
   Shipment(
       {this.id,
@@ -44,6 +46,7 @@ class Shipment {
       this.numberOfPackage,
       this.weight,
       this.handlingFee,
+      this.paidHandlingFee,
       this.address,
       this.status,
       this.pickupDate,
@@ -89,6 +92,7 @@ class Shipment {
         pickupUserName: map['pickup_user_name'],
         pickupUserPhoneNumber: map['pickup_user_phone_number'],
         handlingFee: map['handling_fee'],
+        paidHandlingFee: map['paid_handling_fee'],
         fcsShipmentID: map['fcs_shipment_id'],
         fcsShipmentNumber: map['fcs_shipment_number'],
         shipmentLabelUrl: map['shipment_label_url'],
@@ -116,6 +120,12 @@ class Shipment {
     };
   }
 
+  @override
+  bool operator ==(Object other) => other is Shipment && other.id == id;
+
+  @override
+  int get hashCode => id.hashCode;
+
   @override
   String toString() {
     return 'PickUp{id:$id, userName:$userName,phoneNumber:$phoneNumber,numberOfPackage:$numberOfPackage,weight:$weight,status:$status}';