update rate

lib/pages/rates/model/shipment_rate_model.dart

@@ -1,6 +1,9 @@
 import 'dart:async';
 
 import 'package:fcs/data/services/services.dart';
+import 'package:fcs/domain/entities/cargo_type.dart';
+import 'package:fcs/domain/entities/custom_duty.dart';
+import 'package:fcs/domain/entities/discount_by_weight.dart';
 import 'package:fcs/domain/entities/rate.dart';
 import 'package:fcs/pages/main/model/base_model.dart';
 import 'package:logging/logging.dart';
@@ -24,4 +27,53 @@ class ShipmentRateModel extends BaseModel {
   logout() async {
     if (listener != null) await listener.cancel();
   }
+
+  // Rate
+
+  Future<void> updateRate(Rate rate) {
+    return Services.instance.rateService.updateRate(rate);
+  }
+
+  //Cargo Type
+
+  Future<void> addCargoType(CargoType cargoType) {
+    return Services.instance.rateService.createCargoType(cargoType);
+  }
+
+  Future<void> updateCargoType(CargoType cargoType) {
+    return Services.instance.rateService.updateCargoType(cargoType);
+  }
+
+  Future<void> deleteCargoType(String id) {
+    return Services.instance.rateService.deleteCargoType(id);
+  }
+
+  //CustomDuty
+
+  Future<void> addCustomDuty(CustomDuty customDuty) {
+    return Services.instance.rateService.createCustomDuty(customDuty);
+  }
+
+  Future<void> updateCustomDuty(CustomDuty customDuty) {
+    return Services.instance.rateService.updateCustomDuty(customDuty);
+  }
+
+  Future<void> deleteCustomDuty(String id) {
+    return Services.instance.rateService.deleteCargoType(id);
+  }
+
+  //Discount by weight
+  Future<void> addDiscountByWeight(DiscountByWeight discountByWeight) {
+    return Services.instance.rateService
+        .createDiscountByWeight(discountByWeight);
+  }
+
+  Future<void> updateDiscountByWeight(DiscountByWeight discountByWeight) {
+    return Services.instance.rateService
+        .updateDiscountByWeight(discountByWeight);
+  }
+
+  Future<void> deleteDiscountByWeight(String id) {
+    return Services.instance.rateService.deleteDiscountByWeight(id);
+  }
 }