fix: 리뷰 저장 시 평균 평점에 평점 반영

Author: whqtker

src/main/java/com/ll/commars/domain/restaurant/restaurant/service/RestaurantService.java

@@ -153,6 +153,18 @@ public ReviewDto.ReviewWriteResponse writeReview(Long restaurantId, ReviewDto.Re
                 .rate(request.getRate())
                 .build());
 
+        // 해당 식당의 모든 리뷰 평점 평균 계산
+        List<Review> allReviews = reviewRepository.findByRestaurantId(restaurantId);
+        double newAverageRate = allReviews.stream()
+                .mapToInt(Review::getRate)
+                .average()
+                .orElse(0.0);
+        System.out.println("newAverageRate = " + newAverageRate);
+
+        // 식당의 평균 평점 업데이트
+        restaurant.setAverageRate(newAverageRate);
+        restaurantRepository.save(restaurant);
+
         return ReviewDto.ReviewWriteResponse.builder()
                 .userName(user.get().getName())
                 .reviewName(request.getReviewName())

src/main/java/com/ll/commars/domain/review/review/service/ReviewService.java

@@ -89,6 +89,22 @@ public Review wirteReview(String restaurantId, String username, String name, Str
                 .user(user.orElseThrow(() -> new IllegalArgumentException("User not found")))
                 .build();
 
-        return reviewRepository.save(review);
+        reviewRepository.save(review);
+
+        Long restaurantId2Long = Long.valueOf(restaurantId);
+
+        // 해당 식당의 모든 리뷰 평점 평균 계산
+        List<Review> allReviews = reviewRepository.findByRestaurantId(restaurantId2Long);
+        double newAverageRate = allReviews.stream()
+                .mapToInt(Review::getRate)
+                .average()
+                .orElse(0.0);
+        System.out.println("newAverageRate = " + newAverageRate);
+
+        // 식당의 평균 평점 업데이트
+        restaurant.setAverageRate(newAverageRate);
+        restaurantRepository.save(restaurant);
+
+        return review;
     }
 }

src/main/java/com/ll/commars/global/initData/BaseInitDataDev.java

@@ -63,19 +63,19 @@ public class BaseInitDataDev {
     @Bean
     public ApplicationRunner baseInitDataApplicationRunner() {
         return args -> {
-            truncateAll();
-
-            // 테이블 연관관계 순서대로
-            userInit();
-            restaurantCategoryInit();
-
-            communityInit();
-            restaurantInit();
-
-            reviewInit();
-            restaurantMenuInit();
-            businessHourInit();
-            favoriteInit();
+//            truncateAll();
+//
+//            // 테이블 연관관계 순서대로
+//            userInit();
+//            restaurantCategoryInit();
+//
+//            communityInit();
+//            restaurantInit();
+//
+//            reviewInit();
+//            restaurantMenuInit();
+//            businessHourInit();
+//            favoriteInit();
         };
     }