feat : [#62] 감상평 조회 기능

src/main/java/com/helpmeCookies/review/controller/ReviewController.java

@@ -1,9 +1,12 @@
 package com.helpmeCookies.review.controller;
 
 import com.helpmeCookies.review.dto.ReviewRequest;
+import com.helpmeCookies.review.dto.ReviewResponse;
+import com.helpmeCookies.review.entity.Review;
 import com.helpmeCookies.review.service.ReviewService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
+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.PutMapping;
@@ -33,4 +36,10 @@ public ResponseEntity<Void> editReview(@RequestBody ReviewRequest request, @Path
         reviewService.editReview(request, productId, reviewId);
         return ResponseEntity.ok().build();
     }
+
+    @GetMapping("/{reviewId}")
+    public ResponseEntity<ReviewResponse> getReview(@PathVariable Long reviewId) {
+        Review response = reviewService.getReview(reviewId);
+        return ResponseEntity.ok(ReviewResponse.fromEntity(response));
+    }
 }

src/main/java/com/helpmeCookies/review/dto/ReviewResponse.java

@@ -0,0 +1,11 @@
+package com.helpmeCookies.review.dto;
+
+import com.helpmeCookies.product.entity.Product;
+import com.helpmeCookies.review.entity.Review;
+import com.helpmeCookies.user.entity.User;
+
+public record ReviewResponse(Long id, String content,User writer, Product product) {
+    public static ReviewResponse fromEntity(Review review) {
+        return new ReviewResponse(review.getId(), review.getContent(),review.getWriter(), review.getProduct());
+    }
+}

src/main/java/com/helpmeCookies/review/entity/Review.java

@@ -43,4 +43,20 @@ public Review() {}
 	public void updateContent(String content) {
 		this.content = content;
 	}
+
+	public Long getId() {
+		return id;
+	}
+
+	public String getContent() {
+		return content;
+	}
+
+	public User getWriter() {
+		return writer;
+	}
+
+	public Product getProduct() {
+		return product;
+	}
 }

src/main/java/com/helpmeCookies/review/service/ReviewService.java

@@ -28,4 +28,8 @@ public void editReview(ReviewRequest request, Long productId, Long reviewId) {
         Review review = reviewRepository.findById(reviewId).orElseThrow(() -> new IllegalArgumentException("유효하지 않은 reviewId 입니다."));
         review.updateContent(request.content());
     }
+
+    public Review getReview(Long reviewId) {
+        return reviewRepository.findById(reviewId).orElseThrow(() -> new IllegalArgumentException("유효하지 않은 reviewId 입니다."));
+    }
  }