create CartDetail entity

kbazaar/src/main/java/com/kampus/kbazaar/cart/ApplyCodeResponse.java

@@ -12,7 +12,7 @@
 @NoArgsConstructor
 public class ApplyCodeResponse {
     private String username;
-    private List<CartItem> items;
+    private List<CartDetail> items;
     private BigDecimal totalPrice;
     private BigDecimal totalDiscount;
 }

kbazaar/src/main/java/com/kampus/kbazaar/cart/CartController.java

@@ -1,7 +1,6 @@
 package com.kampus.kbazaar.cart;
 
 import com.kampus.kbazaar.promotion.ApplyCodeRequest;
-import com.kampus.kbazaar.promotion.ApplyCodeResponse;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;

kbazaar/src/main/java/com/kampus/kbazaar/cart/CartDetail.java

@@ -0,0 +1,39 @@
+package com.kampus.kbazaar.cart;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+
+@Entity(name = "CartDetail")
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class CartDetail {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id")
+    private Integer id;
+
+    @Column(name = "sku")
+    private String sku;
+
+    @Column(name = "name")
+    private String name;
+
+    @Column(name = "quantity")
+    private Integer quantity;
+
+    @Column(name = "price")
+    private BigDecimal price;
+
+    @Column(name = "discount")
+    private BigDecimal discount;
+
+    @Column(name = "finalPrice")
+    private BigDecimal finalPrice;
+
+}

kbazaar/src/main/java/com/kampus/kbazaar/cart/CartService.java

@@ -3,7 +3,6 @@
 import com.kampus.kbazaar.exceptions.BadRequestException;
 import com.kampus.kbazaar.exceptions.NotFoundException;
 import com.kampus.kbazaar.promotion.ApplyCodeRequest;
-import com.kampus.kbazaar.promotion.ApplyCodeResponse;
 import com.kampus.kbazaar.promotion.Promotion;
 import com.kampus.kbazaar.promotion.PromotionRepository;
 import com.kampus.kbazaar.shopper.Shopper;
@@ -31,20 +30,14 @@ public ApplyCodeResponse applyCode(String username, ApplyCodeRequest request) {
 
             if (promotion.isPresent()) {
                 if (promotion.get().getProductSkus().isBlank()) {
-                    return new ApplyCodeResponse(
-                            request.getCode(),
-                            promotion.get().getDiscountAmount(),
-                            promotion.get().getMaxDiscountAmount());
+                    return new ApplyCodeResponse();
                 }
 
                 boolean skuMatch =
                         request.getProductSkus().stream()
                                 .anyMatch(x -> promotion.get().getProductSkus().contains(x));
                 if (skuMatch) {
-                    return new ApplyCodeResponse(
-                            request.getCode(),
-                            promotion.get().getDiscountAmount(),
-                            promotion.get().getMaxDiscountAmount());
+                    return new ApplyCodeResponse();
                 }
                 throw new BadRequestException("Cannot use discount code.");
             } else {