✨ Mission(#6) : Using QueryDSL for Mission-2

src/main/java/umc/spring/domain/Review.java

@@ -37,4 +37,12 @@ public class Review extends BaseEntity {
 
     @OneToMany(mappedBy = "review", cascade = CascadeType.ALL)
     private List<ReviewImage> reviewImageList = new ArrayList<>();
+
+    public Review(Member member, Store store, String body, float score) {
+        this.member = member;
+        this.store = store;
+        this.body = body;
+        this.score = score;
+    }
+
 }

src/main/java/umc/spring/repository/MemberRepository/MemberRepository.java

@@ -0,0 +1,7 @@
+package umc.spring.repository.MemberRepository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import umc.spring.domain.Member;
+
+public interface MemberRepository extends JpaRepository<Member, Long> {
+}

src/main/java/umc/spring/repository/ReviewRepository/ReviewRepository.java

@@ -0,0 +1,7 @@
+package umc.spring.repository.ReviewRepository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import umc.spring.domain.Review;
+
+public interface ReviewRepository extends JpaRepository<Review, Long>, ReviewRepositoryCustom {
+}

src/main/java/umc/spring/repository/ReviewRepository/ReviewRepositoryCustom.java

@@ -0,0 +1,7 @@
+package umc.spring.repository.ReviewRepository;
+
+import umc.spring.domain.Review;
+
+public interface ReviewRepositoryCustom {
+    Review dynamicQueryCreateReview(Long memberId, Long storeId, String body, float score);
+}

src/main/java/umc/spring/repository/ReviewRepository/ReviewRepositoryImpl.java

@@ -0,0 +1,47 @@
+package umc.spring.repository.ReviewRepository;
+
+import com.querydsl.core.BooleanBuilder;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+import umc.spring.domain.QReview;
+import umc.spring.domain.Review;
+
+@Repository
+@RequiredArgsConstructor
+public class ReviewRepositoryImpl implements ReviewRepositoryCustom{
+
+    private final JPAQueryFactory jpaQueryFactory;
+    private final QReview review = QReview.review;
+
+    @Override
+    public Review dynamicQueryCreateReview(Long memberId, Long storeId, String body, float score) {
+        BooleanBuilder predicate = new BooleanBuilder();
+
+
+        if (memberId != null) {
+            predicate.and(review.member.id.eq(memberId));
+        }
+
+
+        if (storeId != null) {
+            predicate.and(review.store.id.eq(storeId));
+        }
+
+
+        if (body != null && !body.isEmpty()) {
+            predicate.and(review.body.eq(body));
+        }
+
+
+        if (score >= 0) {
+            predicate.and(review.score.eq(score));
+        }
+
+
+        return jpaQueryFactory
+                .selectFrom(review)
+                .where(predicate)
+                .fetchOne();
+    }
+}

src/main/java/umc/spring/service/ReviewService/ReviewQueryService.java

@@ -0,0 +1,7 @@
+package umc.spring.service.ReviewService;
+
+import umc.spring.domain.Review;
+
+public interface ReviewQueryService {
+    Review createReview(Long memberId, Long storeId, String body, float score);
+}

src/main/java/umc/spring/service/ReviewService/ReviewQueryServiceImpl.java

@@ -0,0 +1,33 @@
+package umc.spring.service.ReviewService;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import umc.spring.domain.Member;
+import umc.spring.domain.Review;
+import umc.spring.domain.Store;
+import umc.spring.repository.MemberRepository.MemberRepository;
+import umc.spring.repository.ReviewRepository.ReviewRepository;
+import umc.spring.repository.StoreRepository.StoreRepository;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class ReviewQueryServiceImpl implements ReviewQueryService {
+
+    private final ReviewRepository reviewRepository;
+    private final MemberRepository memberRepository;
+    private final StoreRepository storeRepository;
+
+    @Override
+    public Review createReview(Long memberId, Long storeId, String body, float score) {
+        Member member = memberRepository.findById(memberId)
+                .orElseThrow(() -> new IllegalArgumentException("Member not found with ID: " + memberId));
+        Store store = storeRepository.findById(storeId)
+                .orElseThrow(() -> new IllegalArgumentException("Store not found with ID: " + storeId));
+
+        Review newReview = new Review(member, store, body, score);
+        return reviewRepository.save(newReview);
+    }
+
+}