update carton and fcs shipment

lib/pages/invoice/model/invoice_model.dart

@@ -11,6 +11,7 @@ import 'package:fcs/pages/main/model/base_model.dart';
 import 'package:logging/logging.dart';
 import 'package:path/path.dart' as Path;
 
+import '../../../domain/entities/shipment.dart';
 import '../../../pagination/paginator_listener.dart';
 
 class InvoiceModel extends BaseModel {
@@ -105,4 +106,28 @@ class InvoiceModel extends BaseModel {
   Future<void> cancelInvoice(Invoice invoice) {
     return Services.instance.invoiceService.cancelInvoice(invoice);
   }
+
+   Future<List<Shipment?>?> getShipmentWithHandlingFee(
+      String fcsShipmentID, String userID) async {
+    String path = "/$shipments_collection";
+    try {
+      var q = FirebaseFirestore.instance
+          .collection(path)
+          .where("user_id", isEqualTo: userID)
+          .where("is_deleted", isEqualTo: false)
+          .where("handling_fee", isGreaterThan: 0)
+          .where("fcs_shipment_id", isEqualTo: fcsShipmentID);
+      var snaps = await q.get(const GetOptions(source: Source.server));
+      List<Shipment?> shipments = snaps.docs.map((snap) {
+        if (snap.exists) {
+          var s = Shipment.fromMap(snap.data as Map<String, dynamic>, snap.id);
+          return s;
+        }
+      }).toList();
+      return shipments;
+    } catch (e) {
+      log.warning("Error!! $e");
+    }
+    return null;
+  }
 }