feat: cart

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

@@ -3,14 +3,20 @@
 import com.kampus.kbazaar.product.Product;
 import lombok.Data;
 
-@Data
-public class Cart {
-    private int userID;
+import jakarta.persistence.EmbeddedId;
+import jakarta.persistence.Entity;
+import lombok.Getter;
+import lombok.Setter;
 
-    private Product[] products;
+@Entity(name = "cart")
+@Getter
+@Setter
+public class Cart {
+    @EmbeddedId private CartId cartId;
+    private Integer quantity;
 
-    public Cart(int userID, Product[] products) {
-        this.userID = userID;
-        this.products = products;
+    public Cart(CartId cartId, Integer quantity) {
+        this.cartId = cartId;
+        this.quantity = quantity;
     }
-}
+}

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

@@ -6,9 +6,19 @@
 @RestController
 @RequestMapping("/api/v1")
 public class CartController {
+    private CartService cartService;
+
+    public CartController(CartService cartService) {
+        this.cartService = cartService;
+    }
 
     @GetMapping("/carts")
     public ResponseEntity getCart() { // NOSONAR
         return ResponseEntity.ok().build();
     }
+
+    @DeleteMapping("/carts/{username}/items/{product_sku}")
+    public String deleteCartItem(@PathVariable String username, @PathVariable String product_sku) {
+        return cartService.deleteCartItem(username, product_sku);
+    }
 }

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

@@ -0,0 +1,17 @@
+package com.kampus.kbazaar.cart;
+
+import jakarta.persistence.Embeddable;
+import java.io.Serializable;
+import lombok.Getter;
+
+@Getter
+@Embeddable
+public class CartId implements Serializable {
+    private Long shopper_id;
+    private Long product_id;
+
+    public CartId(Long shopper_id, Long product_id) {
+        this.shopper_id = shopper_id;
+        this.product_id = product_id;
+    }
+}

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

@@ -0,0 +1,9 @@
+package com.kampus.kbazaar.cart;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CartRepository extends JpaRepository<Cart, CartId> {
+
+}

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

@@ -0,0 +1,16 @@
+package com.kampus.kbazaar.cart;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class CartService {
+    private CartRepository cartRepository;
+
+    public CartService(CartRepository cartRepository) {
+        this.cartRepository = cartRepository;
+    }
+
+    public String deleteCartItem(String username, String product_sku) {
+        return "deleteL: " + username + product_sku;
+    }
+}

kbazaar/src/test/java/com/kampus/kbazaar/cart/CartControllerTest.java

@@ -11,6 +11,7 @@
 import org.mockito.MockitoAnnotations;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.FilterType;
 import org.springframework.http.MediaType;
@@ -29,6 +30,8 @@ public class CartControllerTest {
 
     @Autowired private MockMvc mockMvc;
 
+    @MockBean private CartService cartService;
+
     @InjectMocks private CartController cartController;
 
     @BeforeEach