Feature/like cart (#24)

* feature: 좋아요한 상품 조회 * feature: 장바구니 도메인 및 장바구니 등록/삭제 * docs: 메소드명 수정
Repick-official · Mar 20, 2024 · 99efdd5 · 99efdd5
1 parent 6d33680
commit 99efdd5
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Showing 7 changed files with 133 additions and 16 deletions.
diff --git a/src/main/java/com/example/repick/domain/product/api/ProductController.java b/src/main/java/com/example/repick/domain/product/api/ProductController.java
@@ -36,11 +36,6 @@ public SuccessResponse<ProductResponse> updateProduct(@PathVariable Long product
         return SuccessResponse.createSuccess(productService.updateProduct(productId, patchProduct));
     }
 
-    @GetMapping("/like")
-    public SuccessResponse<Boolean> likeProduct(@RequestParam Long productId) {
-        return SuccessResponse.createSuccess(productService.likeProduct(productId));
-    }
-
     @GetMapping("/recommendation")
     public SuccessResponse<List<GetProductThumbnail>> getMainPageRecommendation(
             @Parameter(description = "조회 의류 성별") @RequestParam(required = false) String gender,
@@ -114,4 +109,23 @@ public SuccessResponse<List<GetProductThumbnail>> getHighestDiscountProduct(
         return SuccessResponse.success(productService.getHighestDiscount(gender, category, styles, minPrice, maxPrice, brandNames, qualityRates, sizes, cursorId, pageSize));
     }
 
+    @GetMapping("/like")
+    public SuccessResponse<Boolean> toggleLike(@RequestParam Long productId) {
+        return SuccessResponse.createSuccess(productService.toggleLike(productId));
+    }
+
+    @GetMapping("/liked")
+    public SuccessResponse<List<GetProductThumbnail>> getLikedProduct(
+            @Parameter(description = "카테고리") @RequestParam(required = false) String category,
+            @Parameter(description = "1번째 페이지 조회시 null, " +
+                    "2번째 이상 페이지 조회시 직전 페이지의 마지막 episode id") @RequestParam(required = false) Long cursorId,
+            @Parameter(description = "한 페이지에 가져올 에피소드 개수, 기본값 4") @RequestParam(required = false) Integer pageSize) {
+        return SuccessResponse.success(productService.getLiked(category, cursorId, pageSize));
+    }
+
+    @GetMapping("/cart")
+    public SuccessResponse<Boolean> toggleCart(@RequestParam Long productId) {
+        return SuccessResponse.createSuccess(productService.toggleCart(productId));
+    }
+
 }
diff --git a/src/main/java/com/example/repick/domain/product/entity/ProductCart.java b/src/main/java/com/example/repick/domain/product/entity/ProductCart.java
@@ -0,0 +1,35 @@
+package com.example.repick.domain.product.entity;
+
+import com.example.repick.global.entity.BaseEntity;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+@Entity @NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class ProductCart extends BaseEntity {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private Long userId;
+    private Long productId;
+
+    @Builder
+    public ProductCart(Long userId, Long productId) {
+        this.userId = userId;
+        this.productId = productId;
+    }
+
+    public static ProductCart of(Long userId, Long productId) {
+        return ProductCart.builder()
+                .userId(userId)
+                .productId(productId)
+                .build();
+    }
+
+
+}
diff --git a/src/main/java/com/example/repick/domain/product/entity/ProductLike.java b/src/main/java/com/example/repick/domain/product/entity/ProductLike.java
@@ -1,5 +1,6 @@
 package com.example.repick.domain.product.entity;
 
+import com.example.repick.global.entity.BaseEntity;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -9,7 +10,7 @@
 import lombok.NoArgsConstructor;
 
 @Entity @NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class ProductLike {
+public class ProductLike extends BaseEntity {
 
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;

diff --git a/src/main/java/com/example/repick/domain/product/repository/ProductCartRepository.java b/src/main/java/com/example/repick/domain/product/repository/ProductCartRepository.java
@@ -0,0 +1,10 @@
+package com.example.repick.domain.product.repository;
+
+import com.example.repick.domain.product.entity.ProductCart;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface ProductCartRepository extends JpaRepository<ProductCart, Long> {
+    Optional<ProductCart> findByUserIdAndProductId(Long userId, Long productId);
+}
diff --git a/src/main/java/com/example/repick/domain/product/repository/ProductRepositoryCustom.java b/src/main/java/com/example/repick/domain/product/repository/ProductRepositoryCustom.java
@@ -60,4 +60,6 @@ List<GetProductThumbnail> findHighestDiscountProducts(
             Long userId);
 
     List<GetProductThumbnail> findMainPageRecommendation(Long cursorId, Integer pageSize, Long userId, Gender gender);
+
+    List<GetProductThumbnail> findLikedProducts(String category, Long cursorId, Integer pageSize, Long userId);
 }
diff --git a/src/main/java/com/example/repick/domain/product/repository/ProductRepositoryImpl.java b/src/main/java/com/example/repick/domain/product/repository/ProductRepositoryImpl.java
@@ -223,6 +223,41 @@ public List<GetProductThumbnail> findHighestDiscountProducts(
                 .collect(Collectors.toList());
     }
 
+    @Override
+    public List<GetProductThumbnail> findLikedProducts(String category, Long cursorId, Integer pageSize, Long userId) {
+        return jpaQueryFactory
+                .select(Projections.constructor(GetProductThumbnail.class,
+                        product.id,
+                        product.thumbnailImageUrl,
+                        product.productName,
+                        product.price,
+                        product.discountRate,
+                        product.brandName,
+                        product.qualityRate.stringValue(),
+                        productLike.id.isNotNull()))
+                .from(product)
+                .leftJoin(productLike)
+                .on(product.id.eq(productLike.productId)
+                        .and(productLike.userId.eq(userId)))
+                .leftJoin(productCategory)
+                .on(product.id.eq(productCategory.product.id))
+                .where(
+                        likeFilter(userId),
+                        categoryFilter(category),
+                        ltProductId(cursorId),
+                        deletedFilter())
+                .orderBy(product.discountRate.desc())
+                .limit(pageSize)
+                .fetch()
+                .stream()
+                .distinct()
+                .collect(Collectors.toList());
+    }
+
+    private BooleanExpression likeFilter(Long userId) {
+        return productLike.userId.eq(userId);
+    }
+
     private BooleanExpression genderFilter(String gender) {
         return gender != null ? product.gender.eq(Gender.fromValue(gender)) : null;
     }

diff --git a/src/main/java/com/example/repick/domain/product/service/ProductService.java b/src/main/java/com/example/repick/domain/product/service/ProductService.java
@@ -30,6 +30,7 @@ public class ProductService {
     private final S3UploadService s3UploadService;
     private final UserRepository userRepository;
     private final ProductLikeRepository productLikeRepository;
+    private final ProductCartRepository productCartRepository;
 
     private String uploadImage(List<MultipartFile> images, Product product) {
         String thumbnailGeneratedUrl = null;
@@ -148,16 +149,6 @@ public List<GetProductThumbnail> getMainPageRecommendation(String gender, Long c
         return productRepository.findMainPageRecommendation(cursorId, pageSize, user.getId(), Gender.fromValue(gender));
     }
 
-    public Boolean likeProduct(Long productId) {
-        User user = userRepository.findByProviderId(SecurityContextHolder.getContext().getAuthentication().getName())
-                .orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다."));
-
-        productLikeRepository.findByUserIdAndProductId(user.getId(), productId)
-                .ifPresentOrElse(productLikeRepository::delete, () -> productLikeRepository.save(ProductLike.of(user.getId(), productId)));
-
-        return true;
-    }
-
     public List<GetProductThumbnail> getLatest(String gender, String category, List<String> styles, Long minPrice, Long maxPrice, List<String> brandNames, List<String> qualityRates, List<String> sizes, Long cursorId, Integer pageSize) {
         User user = userRepository.findByProviderId(SecurityContextHolder.getContext().getAuthentication().getName())
                 .orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다."));
@@ -193,4 +184,33 @@ public List<GetProductThumbnail> getHighestDiscount(String gender, String catego
 
         return productRepository.findHighestDiscountProducts(gender, category, styles, minPrice, maxPrice, brandNames, qualityRates, sizes, cursorId, pageSize, user.getId());
     }
+
+    public Boolean toggleLike(Long productId) {
+        User user = userRepository.findByProviderId(SecurityContextHolder.getContext().getAuthentication().getName())
+                .orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다."));
+
+        productLikeRepository.findByUserIdAndProductId(user.getId(), productId)
+                .ifPresentOrElse(productLikeRepository::delete, () -> productLikeRepository.save(ProductLike.of(user.getId(), productId)));
+
+        return true;
+    }
+
+    public List<GetProductThumbnail> getLiked(String category, Long cursorId, Integer pageSize) {
+        User user = userRepository.findByProviderId(SecurityContextHolder.getContext().getAuthentication().getName())
+                .orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다."));
+
+        if (pageSize == null) pageSize = 4;
+
+        return productRepository.findLikedProducts(category, cursorId, pageSize, user.getId());
+    }
+
+    public Boolean toggleCart(Long productId) {
+        User user = userRepository.findByProviderId(SecurityContextHolder.getContext().getAuthentication().getName())
+                .orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다."));
+
+        productCartRepository.findByUserIdAndProductId(user.getId(), productId)
+                .ifPresentOrElse(productCartRepository::delete, () -> productCartRepository.save(ProductCart.of(user.getId(), productId)));
+
+        return true;
+    }
 }