update carton and fcs shipment

lib/pages/invoice/editor/invoice_editor.dart

@@ -22,7 +22,6 @@ import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/payment_methods/model/payment_method_model.dart';
 import 'package:fcs/pages/rates/custom_list.dart';
 import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
-import 'package:fcs/pages/shipment/model/shipment_model.dart';
 import 'package:fcs/pages/widgets/display_text.dart';
 import 'package:fcs/pages/widgets/fcs_icons.dart';
 import 'package:fcs/pages/widgets/local_app_bar.dart';
@@ -104,8 +103,8 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
   }
 
   _loadShipments() async {
-    ShipmentModel shipmentModel =
-        Provider.of<ShipmentModel>(context, listen: false);
+    InvoiceModel shipmentModel =
+        Provider.of<InvoiceModel>(context, listen: false);
     List<Shipment?>? shipments = await shipmentModel.getShipmentWithHandlingFee(
         widget.fcsShipment!.id!, widget.customer!.id!);
     shipments!.forEach((s) {
@@ -361,14 +360,6 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
     );
   }
 
-  _addCustom(CustomDuty customDuty) {
-    if (customDuty == null) return;
-    setState(() {
-      _invoice!.customDuties.remove(customDuty);
-      _invoice!.customDuties.add(customDuty);
-    });
-  }
-
   _addShipment(Shipment shipment) {
     if (shipment == null) return;
     shipment.isSelected = true;

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;
+  }
 }