Merge pull request #30 from Uni-Made/feature/#13

✨ [FEATURE] 찜하기 기능 구현 (#13)
Uni-Made · Jul 19, 2024 · 2be01d9 · 2be01d9
2 parents afa640e + 5aa9113
commit 2be01d9
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diff --git a/src/main/java/umc/unimade/domain/accounts/repository/BuyerRepository.java b/src/main/java/umc/unimade/domain/accounts/repository/BuyerRepository.java
@@ -0,0 +1,7 @@
+package umc.unimade.domain.accounts.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import umc.unimade.domain.accounts.entity.Buyer;
+
+public interface BuyerRepository extends JpaRepository<Buyer, Long> {
+}
diff --git a/src/main/java/umc/unimade/domain/favorite/repository/FavoriteProductRepository.java b/src/main/java/umc/unimade/domain/favorite/repository/FavoriteProductRepository.java
@@ -0,0 +1,12 @@
+package umc.unimade.domain.favorite.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import umc.unimade.domain.accounts.entity.Buyer;
+import umc.unimade.domain.favorite.entity.FavoriteProduct;
+import umc.unimade.domain.products.entity.Products;
+
+import java.util.Optional;
+
+public interface FavoriteProductRepository extends JpaRepository<FavoriteProduct, Long> {
+    Optional<FavoriteProduct> findByProductAndBuyer(Products product, Buyer buyer);
+}
diff --git a/src/main/java/umc/unimade/domain/favorite/repository/FavoriteSellerRepository.java b/src/main/java/umc/unimade/domain/favorite/repository/FavoriteSellerRepository.java
@@ -0,0 +1,8 @@
+package umc.unimade.domain.favorite.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import umc.unimade.domain.favorite.entity.FavoriteSeller;
+
+
+public interface FavoriteSellerRepository extends JpaRepository<FavoriteSeller, Long> {
+}
diff --git a/src/main/java/umc/unimade/domain/products/ProductsController.java b/src/main/java/umc/unimade/domain/products/ProductsController.java
@@ -9,17 +9,20 @@
 import lombok.*;
 import umc.unimade.domain.products.dto.ProductResponse;
 import umc.unimade.domain.products.entity.ViewType;
+import umc.unimade.domain.products.service.ProductsCommandService;
 import umc.unimade.domain.products.service.ProductsQueryService;
 import umc.unimade.global.common.ApiResponse;
 import umc.unimade.global.common.ErrorCode;
 import umc.unimade.global.common.exception.ProductsExceptionHandler;
+import umc.unimade.global.common.exception.UserExceptionHandler;
 
 
 @RestController
 @RequestMapping("/api/products")
 @RequiredArgsConstructor
 public class ProductsController {
     private final ProductsQueryService productsQueryService;
+    private final ProductsCommandService productsCommandService;
 
     @Tag(name = "Products", description = "판매 상품 관련 API")
     @Operation(summary = "판매 상품 정보 가져오기")
@@ -30,9 +33,25 @@ public class ProductsController {
         try {
             PageRequest pageRequest = PageRequest.of(page, size);
             return ResponseEntity.ok(ApiResponse.onSuccess(productsQueryService.getProduct(productId, viewType, pageRequest)));
+        }
+        catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(ApiResponse.onFailure(HttpStatus.BAD_REQUEST.name(), e.getMessage()));
         } catch (ProductsExceptionHandler e) {
             return ResponseEntity.status(HttpStatus.NOT_FOUND).body(ApiResponse.onFailure(ErrorCode.PRODUCT_NOT_FOUND.getCode(), ErrorCode.PRODUCT_NOT_FOUND.getMessage()));
         }
     }
 
+    //To do : buyerId 추후에 토큰으로 변경
+    @Tag(name = "favoriteProduct", description = "상품 찜하기/취소 API")
+    @Operation(summary = "찜하지 않은 상태라면 찜하기. \n 찜한 상태라면 찜하기 취소")
+    @PostMapping("/favorite/{productId}/{buyerId}")
+    public ResponseEntity<ApiResponse<Void>> toggleFavoriteProduct(@PathVariable Long productId, @PathVariable Long buyerId) {
+        try {
+            return ResponseEntity.ok(productsCommandService.toggleFavoriteProduct(productId, buyerId));
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(ApiResponse.onFailure(HttpStatus.BAD_REQUEST.name(), e.getMessage()));
+        } catch (UserExceptionHandler e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(ApiResponse.onFailure(ErrorCode.BUYER_NOT_FOUND.getCode(), ErrorCode.BUYER_NOT_FOUND.getMessage()));
+        }
+    }
 }
diff --git a/src/main/java/umc/unimade/domain/products/service/ProductsCommandService.java b/src/main/java/umc/unimade/domain/products/service/ProductsCommandService.java
@@ -0,0 +1,60 @@
+package umc.unimade.domain.products.service;
+
+import io.netty.util.internal.ObjectPool;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import umc.unimade.domain.accounts.entity.Buyer;
+import umc.unimade.domain.accounts.repository.BuyerRepository;
+import umc.unimade.domain.favorite.entity.FavoriteProduct;
+import umc.unimade.domain.favorite.repository.FavoriteProductRepository;
+import umc.unimade.domain.favorite.repository.FavoriteSellerRepository;
+import umc.unimade.domain.products.ProductRepository;
+import umc.unimade.domain.products.entity.Products;
+import umc.unimade.global.common.ApiResponse;
+import umc.unimade.global.common.ErrorCode;
+import umc.unimade.global.common.exception.ProductsExceptionHandler;
+import umc.unimade.global.common.exception.UserExceptionHandler;
+
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+public class ProductsCommandService {
+
+    private final FavoriteProductRepository favoriteProductRepository;
+    private final FavoriteSellerRepository favoriteSellerRepository;
+    private final ProductRepository productRepository;
+    private final BuyerRepository buyerRepository;
+
+    @Transactional
+    public ApiResponse<Void> toggleFavoriteProduct(Long productId, Long buyerId) {
+        Products product = findProductById(productId);
+        Buyer buyer = findBuyerById(buyerId);
+        Optional<FavoriteProduct> existingFavorite = findFavoriteProduct(product,buyer);
+
+        if (existingFavorite.isPresent()) {
+            favoriteProductRepository.delete(existingFavorite.get());
+            return ApiResponse.CANCELED_LIKE();
+        }else{
+            FavoriteProduct favoriteProduct = FavoriteProduct.builder()
+                    .buyer(buyer)
+                    .product(product)
+                    .build();
+            favoriteProductRepository.save(favoriteProduct);
+            return ApiResponse.SUCCESS_LIKE();
+        }
+    }
+
+
+
+    private Buyer findBuyerById(Long buyerId) {
+        return buyerRepository.findById(buyerId).orElseThrow(() -> new UserExceptionHandler(ErrorCode.BUYER_NOT_FOUND));
+    }
+    private Products findProductById(Long productId){
+        return productRepository.findById(productId).orElseThrow(() -> new ProductsExceptionHandler(ErrorCode.PRODUCT_NOT_FOUND));
+    }
+    private Optional<FavoriteProduct> findFavoriteProduct(Products product, Buyer buyer) {
+        return favoriteProductRepository.findByProductAndBuyer(product, buyer);
+    }
+}
diff --git a/src/main/java/umc/unimade/global/common/ErrorCode.java b/src/main/java/umc/unimade/global/common/ErrorCode.java
@@ -16,7 +16,7 @@ public enum ErrorCode implements BaseErrorCode {
 
     // Accounts 관련 에러
     USER_ALREADY_EXIST(HttpStatus.BAD_REQUEST, "USER4000", "사용자가 이미 존재합니다."),
-
+    BUYER_NOT_FOUND(HttpStatus.NOT_FOUND, "USER4040", "구매자를 찾을 수 없습니다."),
     // Products 관련 에러
     PRODUCT_NOT_FOUND(HttpStatus.NOT_FOUND, "PRODUCT4040", "해당 제품을 찾을 수 없습니다.");
 

diff --git a/src/main/java/umc/unimade/global/common/exception/UserExceptionHandler.java b/src/main/java/umc/unimade/global/common/exception/UserExceptionHandler.java
@@ -0,0 +1,10 @@
+package umc.unimade.global.common.exception;
+
+import umc.unimade.global.common.BaseErrorCode;
+
+public class UserExceptionHandler extends CustomException{
+
+    public UserExceptionHandler (BaseErrorCode code ){
+        super(code);
+    }
+}