✨ feat: 사용자가 좋아요 누른 상품 목록 조회

src/main/java/com/pricewagon/pricewagon/domain/likes/api/LikeController.java

@@ -1,14 +1,18 @@
 package com.pricewagon.pricewagon.domain.likes.api;
 
+import java.util.List;
+
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.pricewagon.pricewagon.domain.likes.dto.LikeResponseDTO;
 import com.pricewagon.pricewagon.domain.likes.service.LikeService;
+import com.pricewagon.pricewagon.domain.product.dto.response.BasicProductInfo;
 import com.pricewagon.pricewagon.global.config.security.CustomUserDetails;
 
 import io.swagger.v3.oas.annotations.Operation;
@@ -31,4 +35,12 @@ public ResponseEntity<LikeResponseDTO.registerLikeDTO> registerLike(
 		return ResponseEntity.ok(result);
 	}
 
+	@Operation(summary = "좋아요 목록 조회", description = "좋아요 목록 조회하는 기능(토큰 필요)")
+	@GetMapping("/list")
+	public List<BasicProductInfo> getLikeList(
+		@AuthenticationPrincipal CustomUserDetails userDetails) {
+		return likeService.getLikeList(userDetails.getUsername());
+
+	}
+
 }

src/main/java/com/pricewagon/pricewagon/domain/likes/converter/LikeConverter.java

@@ -0,0 +1,42 @@
+package com.pricewagon.pricewagon.domain.likes.converter;
+
+import java.util.List;
+
+import org.springframework.stereotype.Component;
+
+import com.pricewagon.pricewagon.domain.history.service.ProductHistoryService;
+import com.pricewagon.pricewagon.domain.likes.entity.Likes;
+import com.pricewagon.pricewagon.domain.product.dto.response.BasicProductInfo;
+import com.pricewagon.pricewagon.domain.product.entity.Product;
+
+import lombok.RequiredArgsConstructor;
+
+@Component
+@RequiredArgsConstructor
+public class LikeConverter {
+
+	private final ProductHistoryService productHistoryService;
+
+	public List<BasicProductInfo> convertToBasicProductInfo(List<Likes> likes) {
+		return likes.stream()
+			.map(like -> {
+				Product product = like.getProduct();
+				Integer previousPrice = productHistoryService.getDifferentLatestPriceByProductId(product);
+
+				return new BasicProductInfo(
+					product.getProductNumber(),
+					product.getName(),
+					product.getBrand(),
+					product.getStarScore(),
+					product.getReviewCount(),
+					product.getUserLikeCount(),
+					product.getImgUrl(),
+					product.getShopType(),
+					product.getCurrentPrice(),
+					previousPrice,
+					true
+				);
+			})
+			.toList();
+	}
+}

src/main/java/com/pricewagon/pricewagon/domain/likes/dto/LikeResponseDTO.java

@@ -15,4 +15,5 @@ public static class registerLikeDTO {
 		Long userId;
 		String action; // 좋아요 등록, 좋아요 삭제
 	}
+
 }

src/main/java/com/pricewagon/pricewagon/domain/likes/repository/LikeRepository.java

@@ -1,5 +1,6 @@
 package com.pricewagon.pricewagon.domain.likes.repository;
 
+import java.util.List;
 import java.util.Optional;
 
 import org.springframework.data.jpa.repository.JpaRepository;
@@ -12,4 +13,6 @@ public interface LikeRepository extends JpaRepository<Likes, Long> {
 	boolean existsByUserAndProduct(User user, Product product);
 
 	Optional<Likes> findByUserAndProduct(User user, Product product);
+
+	List<Likes> findByUserId(Long userId);
 }

src/main/java/com/pricewagon/pricewagon/domain/likes/service/LikeService.java

@@ -1,8 +1,12 @@
 package com.pricewagon.pricewagon.domain.likes.service;
 
+import java.util.List;
+
 import com.pricewagon.pricewagon.domain.likes.dto.LikeResponseDTO;
+import com.pricewagon.pricewagon.domain.product.dto.response.BasicProductInfo;
 
 public interface LikeService {
 	LikeResponseDTO.registerLikeDTO registerLike(Integer productNumber, String username);
 
+	List<BasicProductInfo> getLikeList(String username);
 }

src/main/java/com/pricewagon/pricewagon/domain/likes/service/LikeServiceImpl.java

@@ -1,13 +1,17 @@
 package com.pricewagon.pricewagon.domain.likes.service;
 
 import java.time.LocalDateTime;
+import java.util.List;
 import java.util.Optional;
 
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
+import com.pricewagon.pricewagon.domain.likes.converter.LikeConverter;
 import com.pricewagon.pricewagon.domain.likes.dto.LikeResponseDTO;
 import com.pricewagon.pricewagon.domain.likes.entity.Likes;
 import com.pricewagon.pricewagon.domain.likes.repository.LikeRepository;
+import com.pricewagon.pricewagon.domain.product.dto.response.BasicProductInfo;
 import com.pricewagon.pricewagon.domain.product.entity.Product;
 import com.pricewagon.pricewagon.domain.product.repository.ProductRepository;
 import com.pricewagon.pricewagon.domain.user.entity.User;
@@ -25,6 +29,7 @@ public class LikeServiceImpl implements LikeService {
 	private final LikeRepository likeRepository;
 	private final UserRepository userRepository;
 	private final ProductRepository productRepository;
+	private final LikeConverter likeConverter;
 
 	@Override
 	public LikeResponseDTO.registerLikeDTO registerLike(Integer productNumber, String username) {
@@ -35,7 +40,7 @@ public LikeResponseDTO.registerLikeDTO registerLike(Integer productNumber, Strin
 			.orElseThrow(() -> new CustomException(ErrorCode.PRODUCT_NOT_FOUND));
 
 		Optional<Likes> like = likeRepository.findByUserAndProduct(user, product);
-		if (like.isPresent()) { // 좋아요 삭제
+		if (like.isPresent()) {
 			likeRepository.delete(like.get());
 			product.updateLikeCount(product.getLikeCount() - 1);
 			return LikeResponseDTO.registerLikeDTO.builder()
@@ -60,4 +65,15 @@ public LikeResponseDTO.registerLikeDTO registerLike(Integer productNumber, Strin
 
 	}
 
+	@Transactional(readOnly = true)
+	@Override
+	public List<BasicProductInfo> getLikeList(String username) {
+		User user = userRepository.findByAccount(username)
+			.orElseThrow(() -> new CustomException(ErrorCode.MEMBER_NOT_FOUND));
+
+		List<Likes> likes = likeRepository.findByUserId(user.getId());
+
+		return likeConverter.convertToBasicProductInfo(likes);
+	}
+
 }

src/main/java/com/pricewagon/pricewagon/domain/product/dto/response/BasicProductInfo.java

@@ -50,4 +50,5 @@ public static BasicProductInfo createWithLikeStatus(Product product, Integer pre
 			isLiked
 		);
 	}
+
 }

src/main/java/com/pricewagon/pricewagon/global/config/FCMConfig.java

@@ -21,7 +21,7 @@ public class FCMConfig {
 
 	@Bean
 	public FirebaseMessaging firebaseMessaging() throws IOException {
-		// 경로 수정: "resources/" 생략
+
 		ClassPathResource resource = new ClassPathResource(
 			"firebase/fcm.json");
 		InputStream refreshToken = resource.getInputStream();

src/main/resources/application-dev.yml

@@ -24,6 +24,9 @@ spring:
     username: ${LOCAL_MYSQL_USERNAME}
     password: ${LOCAL_MYSQL_PASSWORD}
 
+
+
+
 # 로깅 설정
 logging:
   level: