fix rates

lib/domain/entities/rate.dart

@@ -8,6 +8,9 @@ class Rate {
   double freeDeliveryWeight;
   double volumetricRatio;
 
+  double diffDiscountWeight;
+  double diffWeightRate;
+
   List<CargoType> cargoTypes;
   List<CustomDuty> customDuties;
   List<DiscountByWeight> discountByWeights;
@@ -22,17 +25,20 @@ class Rate {
       ? null
       : cargoTypes.firstWhere((e) => e.name == "General");
 
-  Rate({
-    this.deliveryFee,
-    this.freeDeliveryWeight,
-    this.volumetricRatio,
-  });
+  Rate(
+      {this.deliveryFee,
+      this.freeDeliveryWeight,
+      this.volumetricRatio,
+      this.diffDiscountWeight,
+      this.diffWeightRate});
 
   factory Rate.fromMap(Map<String, dynamic> map) {
     return Rate(
       deliveryFee: (map['delivery_fee'] ?? 0).toDouble(),
       freeDeliveryWeight: (map['free_delivery_weight'] ?? 0).toDouble(),
       volumetricRatio: (map['volumetric_ratio'] ?? 0).toDouble(),
+      diffDiscountWeight: (map['diff_discount_weight'] ?? 0).toDouble(),
+      diffWeightRate: (map['diff_weight_rate'] ?? 0).toDouble(),
     );
   }
 
@@ -41,17 +47,21 @@ class Rate {
       "delivery_fee": deliveryFee,
       'free_delivery_weight': freeDeliveryWeight,
       'volumetric_ratio': volumetricRatio,
+      'diff_discount_weight': diffDiscountWeight,
+      'diff_weight_rate': diffWeightRate,
     };
   }
 
   bool isChangedForEdit(Rate rate) {
     return rate.freeDeliveryWeight != this.freeDeliveryWeight ||
         rate.deliveryFee != this.deliveryFee ||
-        rate.volumetricRatio != this.volumetricRatio;
+        rate.volumetricRatio != this.volumetricRatio ||
+        rate.diffDiscountWeight != this.diffDiscountWeight ||
+        rate.diffWeightRate != this.diffWeightRate;
   }
 
   @override
   String toString() {
-    return 'Rate{deliveryFee:$deliveryFee,freeDeliveryWeight:$freeDeliveryWeight,volumetricRatio:$volumetricRatio}';
+    return 'Rate{deliveryFee:$deliveryFee,freeDeliveryWeight:$freeDeliveryWeight,volumetricRatio:$volumetricRatio,diffDiscountWeight:$diffDiscountWeight,diffWeightRate:$diffWeightRate}';
   }
 }