위시리스트를 생성한다 (#58)

* feat: product review 생성 조회

* feat: category - product 연관관계 추가

* feat: 카테고리 내 상품 조회

* fix: 빠진 파일 추가

* style: 아 맞다 정렬

* feat: 상품리뷰 - 상품리뷰사진 연관 관계 생성

* refactor: 평균 평점을 리뷰 추가할 때 계산하도록 변경

* feat: 충돌 해결

* feat: 수정사항 삭제

* feat: review 생성

* style: 아 맞다 정렬

* feature: 위시리스트 등록
- 재고와 무관하게 경우 위시리스트 가능하게
#57

* feature: 위시리스트 조회
#57

---------

Co-authored-by: canyos <[email protected]>
Co-authored-by: canyos <[email protected]>

src/main/java/poomasi/domain/member/entity/Member.java

@@ -6,7 +6,10 @@
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import org.hibernate.annotations.SQLDelete;
+import poomasi.domain.wishlist.entity.WishList;
+
 import java.time.LocalDateTime;
+import java.util.List;
 
 @Getter
 @Entity
@@ -41,6 +44,9 @@ public class Member {
     @OneToOne(mappedBy = "member", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     private MemberProfile memberProfile;
 
+    @OneToMany(mappedBy = "member", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    private List<WishList> wishLists;
+
     private LocalDateTime deletedAt;
 
     public Member(String email, String password, LoginType loginType, Role role) {

src/main/java/poomasi/domain/product/service/ProductService.java

@@ -1,9 +1,11 @@
 package poomasi.domain.product.service;
 
 import java.util.List;
+
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import poomasi.domain.product.dto.ProductResponse;
+import poomasi.domain.product.entity.Product;
 import poomasi.domain.product.repository.ProductRepository;
 import poomasi.global.error.BusinessError;
 import poomasi.global.error.BusinessException;
@@ -22,8 +24,20 @@ public List<ProductResponse> getAllProducts() {
     }
 
     public ProductResponse getProductByProductId(Long productId) {
+        return ProductResponse.fromEntity(findProductById(productId));
+    }
+
+
+    public Product findValidProductById(Long productId) {
+        Product product = findProductById(productId);
+        if (product.getStock() == 0) {
+            throw new BusinessException(BusinessError.PRODUCT_STOCK_ZERO);
+        }
+        return product;
+    }
+
+    public Product findProductById(Long productId) {
         return productRepository.findByIdAndDeletedAtIsNull(productId)
-                .map(ProductResponse::fromEntity)
                 .orElseThrow(() -> new BusinessException(BusinessError.PRODUCT_NOT_FOUND));
     }
 }

src/main/java/poomasi/domain/wishlist/controller/WishListPlatformController.java

@@ -0,0 +1,33 @@
+package poomasi.domain.wishlist.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import poomasi.domain.wishlist.dto.WishListDeleteRequest;
+import poomasi.domain.wishlist.dto.request.WishListAddRequest;
+import poomasi.domain.wishlist.service.WishListPlatformService;
+
+@RequestMapping("/api/v1/wish-list")
+@RestController
+@RequiredArgsConstructor
+public class WishListPlatformController {
+    private final WishListPlatformService wishListPlatformService;
+
+    @PostMapping("/add")
+    public ResponseEntity<?> addWishList(@RequestBody WishListAddRequest request) {
+        wishListPlatformService.addWishList(request);
+        return ResponseEntity.ok().build();
+    }
+
+    @PostMapping("/delete")
+    public ResponseEntity<?> deleteWishList(@RequestBody WishListDeleteRequest request) {
+        wishListPlatformService.deleteWishList(request);
+        return ResponseEntity.ok().build();
+    }
+
+    @GetMapping("/find")
+    public ResponseEntity<?> findWishListByMemberId(@RequestBody Long memberId) {
+        // FIXME : memberID는 SecurityContextHolder에서 가져오도록 수정
+        return ResponseEntity.ok(wishListPlatformService.findWishListByMemberId(memberId));
+    }
+}

src/main/java/poomasi/domain/wishlist/dto/WishListDeleteRequest.java

@@ -0,0 +1,7 @@
+package poomasi.domain.wishlist.dto;
+
+public record WishListDeleteRequest(
+        Long memberId,
+        Long productId
+) {
+}

src/main/java/poomasi/domain/wishlist/dto/WishListResponse.java

@@ -0,0 +1,21 @@
+package poomasi.domain.wishlist.dto;
+
+import poomasi.domain.wishlist.entity.WishList;
+
+public record WishListResponse(
+        Long productId,
+        String productName,
+        Long price,
+        String imageUrl,
+        String description
+) {
+    public static WishListResponse fromEntity(WishList wishList) {
+        return new WishListResponse(
+                wishList.getProduct().getId(),
+                wishList.getProduct().getName(),
+                wishList.getProduct().getPrice(),
+                wishList.getProduct().getImageUrl(),
+                wishList.getProduct().getDescription()
+        );
+    }
+}

src/main/java/poomasi/domain/wishlist/dto/request/WishListAddRequest.java

@@ -0,0 +1,17 @@
+package poomasi.domain.wishlist.dto.request;
+
+import poomasi.domain.member.entity.Member;
+import poomasi.domain.product.entity.Product;
+import poomasi.domain.wishlist.entity.WishList;
+
+public record WishListAddRequest(
+        Long memberId,
+        Long productId
+) {
+    public WishList toEntity(Member member, Product product) {
+        return WishList.builder()
+                .member(member)
+                .product(product)
+                .build();
+    }
+}

src/main/java/poomasi/domain/wishlist/entity/WishList.java

@@ -0,0 +1,48 @@
+package poomasi.domain.wishlist.entity;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.Comment;
+import org.hibernate.annotations.CurrentTimestamp;
+import org.hibernate.annotations.SQLDelete;
+import org.hibernate.annotations.Where;
+import poomasi.domain.member.entity.Member;
+import poomasi.domain.product.entity.Product;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter
+@NoArgsConstructor
+@SQLDelete(sql = "UPDATE product SET deleted_at = current_timestamp WHERE id = ?")
+public class WishList {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Comment("회원")
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    @Comment("상품")
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "product_id")
+    private Product product;
+
+    @Comment("등록일시")
+    @CurrentTimestamp
+    private LocalDateTime createdAt;
+
+    @Comment("삭제일시")
+    private LocalDateTime deletedAt;
+
+    @Builder
+    public WishList(Member member, Product product) {
+        this.member = member;
+        this.product = product;
+    }
+
+}

src/main/java/poomasi/domain/wishlist/repository/WishListRepository.java

@@ -0,0 +1,12 @@
+package poomasi.domain.wishlist.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import poomasi.domain.wishlist.entity.WishList;
+
+import java.util.List;
+
+public interface WishListRepository extends JpaRepository<WishList, Long> {
+    List<WishList> findByMemberId(Long memberId);
+
+    void deleteByMemberIdAndProductId(Long memberId, Long productId);
+}

src/main/java/poomasi/domain/wishlist/service/WishListPlatformService.java

@@ -0,0 +1,34 @@
+package poomasi.domain.wishlist.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import poomasi.domain.wishlist.dto.WishListDeleteRequest;
+import poomasi.domain.wishlist.dto.WishListResponse;
+import poomasi.domain.wishlist.dto.request.WishListAddRequest;
+import poomasi.domain.wishlist.entity.WishList;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@Service
+public class WishListPlatformService {
+    private final WishListService wishListService;
+
+    @Transactional
+    public void addWishList(WishListAddRequest request) {
+        wishListService.addWishList(request);
+    }
+
+    @Transactional
+    public void deleteWishList(WishListDeleteRequest request) {
+        wishListService.deleteWishList(request);
+    }
+
+    @Transactional(readOnly = true)
+    public List<WishListResponse> findWishListByMemberId(Long memberId) {
+        return wishListService.findWishListByMemberId(memberId).stream()
+                .map(WishListResponse::fromEntity)
+                .toList();
+    }
+}

src/main/java/poomasi/domain/wishlist/service/WishListService.java

@@ -0,0 +1,40 @@
+package poomasi.domain.wishlist.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import poomasi.domain.member.entity.Member;
+import poomasi.domain.member.service.MemberService;
+import poomasi.domain.product.entity.Product;
+import poomasi.domain.product.service.ProductService;
+import poomasi.domain.wishlist.dto.WishListDeleteRequest;
+import poomasi.domain.wishlist.dto.request.WishListAddRequest;
+import poomasi.domain.wishlist.entity.WishList;
+import poomasi.domain.wishlist.repository.WishListRepository;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class WishListService {
+    private final WishListRepository wishListRepository;
+    private final MemberService memberService;
+    private final ProductService productService;
+
+    @Transactional
+    public void addWishList(WishListAddRequest request) {
+        Member member = memberService.findMemberById(request.memberId());
+        Product product = productService.findProductById(request.productId());
+        wishListRepository.save(request.toEntity(member, product));
+    }
+
+    @Transactional
+    public void deleteWishList(WishListDeleteRequest request) {
+        wishListRepository.deleteByMemberIdAndProductId(request.memberId(), request.productId());
+    }
+
+    @Transactional(readOnly = true)
+    public List<WishList> findWishListByMemberId(Long memberId) {
+        return wishListRepository.findByMemberId(memberId);
+    }
+}

src/main/java/poomasi/global/error/ApplicationException.java

@@ -6,5 +6,6 @@
 @Getter
 @AllArgsConstructor
 public class ApplicationException extends RuntimeException {
+
     private final ApplicationError applicationError;
 }

src/main/java/poomasi/global/error/BusinessError.java

@@ -10,10 +10,14 @@
 public enum BusinessError {
     // Product
     PRODUCT_NOT_FOUND(HttpStatus.NOT_FOUND, "상품을 찾을 수 없습니다."),
+    PRODUCT_STOCK_ZERO(HttpStatus.BAD_REQUEST, "재고가 없습니다."),
 
     // Category
     CATEGORY_NOT_FOUND(HttpStatus.NOT_FOUND, "카테고리를 찾을 수 없습니다."),
 
+    // Review
+    REVIEW_NOT_FOUND(HttpStatus.NOT_FOUND, "리뷰를 찾을 수 없습니다."),
+
     // Member
     MEMBER_NOT_FOUND(HttpStatus.NOT_FOUND, "회원이 존재하지 않습니다."),
     DUPLICATE_MEMBER_EMAIL(HttpStatus.CONFLICT, "중복된 이메일입니다."),
@@ -47,7 +51,6 @@ public enum BusinessError {
     // ETC
     START_DATE_SHOULD_BE_BEFORE_END_DATE(HttpStatus.BAD_REQUEST, "시작 날짜는 종료 날짜보다 이전이어야 합니다.");
 
-
     private final HttpStatus httpStatus;
 
     private final String message;

src/main/java/poomasi/global/error/BusinessException.java

@@ -6,5 +6,6 @@
 @AllArgsConstructor
 @Getter
 public class BusinessException extends RuntimeException {
+
     private final BusinessError businessError;
 }