apply discount

src/app/[name]/(Dialogs)/cart/types/Types.ts

@@ -16,6 +16,12 @@ export interface CartItem {
   totalPrice: number;
 }
 
+export interface Coupon {
+  couponId: string;
+  couponName: string;
+  couponCode: string;
+}
+
 export interface CartData {
   userId: string;
   restaurantId: string;
@@ -34,6 +40,7 @@ export interface CartData {
   deliveryMethodId?: string;
   addressId?: string;
   paymentMethodId?: string;
+  coupon?: Coupon;
 }
 
 export interface CartCategory {