#4 Add memberCartProductCountUpdate

src/main/java/com/memoryboost/controller/cart/CartMoveController.java

@@ -1,12 +1,15 @@
 package com.memoryboost.controller.cart;
 
+import com.memoryboost.domain.vo.cart.request.CartProductCountUpdateRequestVO;
 import com.memoryboost.service.cart.CartService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 
 @Slf4j
 @RequiredArgsConstructor
@@ -22,4 +25,16 @@ public String memberCartList(Authentication authentication , Model model){
         return "cart 페이지";
     }
 
+    @PutMapping("/cart")
+    public String memberCartProductCountUpdate(CartProductCountUpdateRequestVO updateRequestVO) {
+        try{
+            cartService.cartCountUpdate(updateRequestVO);
+            return "redirect:/cart";
+        } catch (NullPointerException e) {
+            return "error";
+        }
+    }
+
+
+
 }

src/main/java/com/memoryboost/domain/vo/cart/request/CartProductCountUpdateRequestVO.java

@@ -3,10 +3,12 @@
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @NoArgsConstructor
+@ToString
 public class CartProductCountUpdateRequestVO {
 
     private Long cartNo;

src/main/java/com/memoryboost/service/cart/CartService.java

@@ -48,7 +48,11 @@ public List<MemberCartResponseVO> memberCart(Authentication authentication) {
         return cartRepository.findByMemberCart(member);
     }
 
-
+    @Transactional
+    public void cartCountUpdate(CartProductCountUpdateRequestVO updateRequestVO) {
+        Cart cart = cartRepository.findById(updateRequestVO.getCartNo()).orElseThrow(NullPointerException::new);
+        cart.cartProductCountUpdate(updateRequestVO);
+    }
 
 
 }

src/test/java/com/memoryboost/service/CartServiceTest.java

@@ -0,0 +1,84 @@
+package com.memoryboost.service;
+
+import com.memoryboost.domain.entity.cart.Cart;
+import com.memoryboost.domain.entity.cart.CartRepository;
+import com.memoryboost.domain.entity.member.Member;
+import com.memoryboost.domain.entity.member.MemberRepository;
+import com.memoryboost.domain.entity.member.Role;
+import com.memoryboost.domain.entity.product.Product;
+import com.memoryboost.domain.entity.product.ProductRepository;
+import com.memoryboost.domain.vo.cart.request.CartProductCountUpdateRequestVO;
+import com.memoryboost.service.cart.CartService;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@Slf4j
+public class CartServiceTest {
+
+    @Autowired
+    private CartService cartService;
+
+    @Autowired
+    private CartRepository cartRepository;
+
+    @Autowired
+    private ProductRepository productRepository;
+
+    @Autowired
+    private MemberRepository memberRepository;
+
+    @Before
+    public void before(){
+        Product product = productRepository.save(Product.builder().productName("갤럭시 GALAX 지포스 RTX 2070 SUPER EX OC D6 8GB PINK Edition").
+                productCategory(1)
+                .productThumbnail("썸네일경로")
+                .productDescription("설명")
+                .productPrice(600000)
+                .build());
+
+        Member member = memberRepository.save(Member.builder().memberLoginId("abc1234").memberPw("aaa1111").
+                memberName("홍길동").
+                memberEmail("abc1234@naver.com").
+                memberSns("memoryboost").
+                memberZipCode("08080").
+                memberAddress("서울특별시").
+                memberDetailAddress("종로구댕댕댕").
+                memberTel("010-0000-0000").
+                memberAuth(Role.USER).build());
+        cartRepository.save(Cart.builder().product(product).member(member).productCnt(5).build());
+    }
+
+    @After
+    public void after(){
+        cartRepository.deleteAll();
+        memberRepository.deleteAll();
+        productRepository.deleteAll();
+    }
+
+    @Test
+    public void memberCartProductCountUpdateTests(){
+
+        int count = 10;
+
+        CartProductCountUpdateRequestVO cartProductCountUpdateRequestVO = new CartProductCountUpdateRequestVO();
+        cartProductCountUpdateRequestVO.setCartNo(1L);
+        cartProductCountUpdateRequestVO.setProductCnt(count);
+
+        cartService.cartCountUpdate(cartProductCountUpdateRequestVO);
+
+        Cart cart = cartRepository.findById(1L).orElseThrow(NullPointerException::new);
+
+        assertThat(count).isEqualTo(cart.getProductCnt());
+    }
+
+}