Merge pull request #19 from MARKETFUBY/feat/help

[차소연] 도움돼요 생성/취소 구현

src/main/java/MARKETFUBY/Review/service/ReviewService.java

@@ -20,6 +20,9 @@
 import MARKETFUBY.ReviewImage.domain.ReviewImage;
 import MARKETFUBY.ReviewImage.repository.ReviewImageRepository;
 import lombok.RequiredArgsConstructor;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.persistence.EntityNotFoundException;
 
 @Service
 @RequiredArgsConstructor
@@ -83,4 +86,12 @@ public void update(Long reviewId, ReviewRequestDto reviewRequestDto){
 		review.updateReview(reviewRequestDto.getContent());
 		reviewRepository.save(review);
 	}
+
+	// 도움돼요에서 사용
+	@Transactional(readOnly = true)
+	public Review findReviewById(Long reviewId){
+		return reviewRepository.findById(reviewId)
+				.orElseThrow(()->new EntityNotFoundException("해당 리뷰가 존재하지 않습니다."));
+	}
+
 }

src/main/java/MARKETFUBY/ReviewHelp/controller/ReviewHelpController.java

@@ -0,0 +1,28 @@
+package MARKETFUBY.ReviewHelp.controller;
+
+import MARKETFUBY.ReviewHelp.dto.ReviewHelpRequestDto;
+import MARKETFUBY.ReviewHelp.service.ReviewHelpService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/goods/reviews/{reviewId}/helps")
+public class ReviewHelpController {
+    private final ReviewHelpService reviewHelpService;
+
+    @PostMapping
+    @ResponseStatus(value = HttpStatus.CREATED)
+    public String createReviewHelp(@PathVariable Long reviewId, @RequestBody ReviewHelpRequestDto reviewHelpRequestDto){
+        Long memberId = reviewHelpRequestDto.getMemberId();
+        if(memberId != null){
+            reviewHelpService.createReviewHelp(reviewId, memberId);
+            return "도움돼요가 반영되었습니다.";
+        }
+        else{
+            return "로그인이 필요한 서비스입니다.";
+        }
+    }
+
+}

src/main/java/MARKETFUBY/ReviewHelp/dto/ReviewHelpRequestDto.java

@@ -0,0 +1,11 @@
+package MARKETFUBY.ReviewHelp.dto;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class ReviewHelpRequestDto {
+    private Long memberId;
+}

src/main/java/MARKETFUBY/ReviewHelp/repository/ReviewHelpRepository.java

@@ -0,0 +1,12 @@
+package MARKETFUBY.ReviewHelp.repository;
+
+import MARKETFUBY.Member.domain.Member;
+import MARKETFUBY.Review.domain.Review;
+import MARKETFUBY.ReviewHelp.domain.ReviewHelp;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ReviewHelpRepository extends JpaRepository<ReviewHelp, Long> {
+    boolean existsByMemberAndReview(Member member, Review review);
+}

src/main/java/MARKETFUBY/ReviewHelp/service/ReviewHelpService.java

@@ -0,0 +1,48 @@
+package MARKETFUBY.ReviewHelp.service;
+
+import MARKETFUBY.Member.domain.Member;
+import MARKETFUBY.Member.service.MemberService;
+import MARKETFUBY.Review.domain.Review;
+import MARKETFUBY.Review.service.ReviewService;
+import MARKETFUBY.ReviewHelp.domain.ReviewHelp;
+import MARKETFUBY.ReviewHelp.repository.ReviewHelpRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class ReviewHelpService {
+    private final MemberService memberService;
+    private final ReviewHelpRepository reviewHelpRepository;
+
+    @Lazy
+    @Autowired
+    private ReviewService reviewService;
+
+    public void createReviewHelp(Long reviewId, Long memberId){
+        Review review = reviewService.findReviewById(reviewId);
+        Member member = memberService.findMemberById(memberId);
+
+        if(isExistsByMemberAndReview(member, review)){
+            throw new RuntimeException("이미 도움돼요가 반영된 리뷰입니다.");
+        }
+
+        ReviewHelp reviewHelp = ReviewHelp.builder()
+                .review(review)
+                .member(member)
+                .build();
+
+        reviewHelpRepository.save(reviewHelp);
+    }
+
+    @Transactional(readOnly = true)
+    public boolean isExistsByMemberAndReview(Member member, Review review){
+        return reviewHelpRepository.existsByMemberAndReview(member, review);
+    }
+}