feat: 카테고리 내에서 메뉴 정렬

src/main/java/com/kusitms/jipbap/food/FoodController.java

@@ -64,9 +64,16 @@ public CommonResponse<HomeResponseDto> getInfoFromHome(@Auth AuthInfo authInfo)
     @Operation(summary = "특정 카테고리에 속하는 메뉴 조회하기")
     @GetMapping("/category/{categoryId}")
     @ResponseStatus(HttpStatus.OK)
-    public CommonResponse<List<FoodPreviewResponse>> getFoodByCategory(@Auth AuthInfo authInfo, @PathVariable Long categoryId) {
-        return new CommonResponse<>(foodService.getFoodByCategory(authInfo, categoryId));
+    public CommonResponse<List<FoodPreviewResponse>> getFoodByCategory(
+            @Auth AuthInfo authInfo,
+            @PathVariable Long categoryId,
+            @RequestParam(required = false, defaultValue = "RECOMMENDED") SortingType sorting) {
+        return new CommonResponse<>(foodService.getFoodByCategory(authInfo, categoryId, sorting));
     }
+
 }
 
 
+
+
+

src/main/java/com/kusitms/jipbap/food/FoodService.java

@@ -30,10 +30,7 @@
 
 import java.io.IOException;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.stream.Collectors;
 
 
@@ -250,14 +247,19 @@ private List<FoodPreviewResponse> getLatestSellingFoodByRegion(Long globalRegion
 //        return latestSellingFoodResponseList;
     }
 
-    public List<FoodPreviewResponse> getFoodByCategory(AuthInfo authInfo, Long categoryId){
-        User user = userRepository.findByEmail(authInfo.getEmail()).orElseThrow(()-> new UserNotFoundException("유저 정보가 존재하지 않습니다."));
-        Category category = categoryRepository.findById(categoryId).orElseThrow(()-> new CategoryNotExistsException("해당 카테고리 Id는 유효하지 않습니다."));
+    public List<FoodPreviewResponse> getFoodByCategory(AuthInfo authInfo, Long categoryId, SortingType sortingType){
+        User user = userRepository.findByEmail(authInfo.getEmail())
+                .orElseThrow(()-> new UserNotFoundException("유저 정보가 존재하지 않습니다."));
+        Category category = categoryRepository.findById(categoryId)
+                .orElseThrow(()-> new CategoryNotExistsException("해당 카테고리 Id는 유효하지 않습니다."));
 
         GlobalRegion globalRegion = user.getGlobalRegion();
 
         List<Food> foodList = foodRepository.findByStoreGlobalRegionAndCategory(globalRegion, category);
 
+        System.out.println("sortingType" + sortingType);
+        foodList = sortFoodList(foodList, sortingType);
+
         List<FoodPreviewResponse> foodDtoList = foodList.stream()
                 .map(food -> new FoodPreviewResponse(
                         food.getId(),
@@ -274,4 +276,30 @@ public List<FoodPreviewResponse> getFoodByCategory(AuthInfo authInfo, Long categ
         return foodDtoList;
     }
 
+    private List<Food> sortFoodList(List<Food> foodList, SortingType sortingType) {
+        switch (sortingType) {
+            case REVIEW_HIGH:
+                foodList.sort(Comparator.comparingLong(food -> -food.getStore().getReviewCount()));
+                break;
+            case RATING_HIGH:
+                foodList.sort(Comparator.comparingDouble(food -> -food.getStore().getAvgRate()));
+                break;
+            case PRICE_HIGH:
+                foodList.sort(Comparator.comparingLong(Food::getDollarPrice).reversed());
+                break;
+            case PRICE_LOW:
+                foodList.sort(Comparator.comparingLong(Food::getDollarPrice));
+                break;
+            case RECENTLY_ADDED:
+                foodList.sort(Comparator.comparing(Food::getCreatedAt).reversed());
+                break;
+            default:
+                // 기본은 추천 순으로 정렬
+                // 추천 순으로 정렬할 기준이 없다면 아무 처리도 하지 않습니다.
+                foodList.sort(Comparator.comparingLong(Food::getRecommendCount).reversed());
+                break;
+        }
+        return foodList;
+    }
+
 }

src/main/java/com/kusitms/jipbap/food/dto/SortingType.java

@@ -0,0 +1,10 @@
+package com.kusitms.jipbap.food.dto;
+
+public enum SortingType {
+    RECOMMENDED, //추천순
+    REVIEW_HIGH, //후기많순
+    RATING_HIGH, //평점높은순
+    PRICE_HIGH, //가격높은순
+    PRICE_LOW, //가격낮은순
+    RECENTLY_ADDED //최근 추가된 메뉴순
+}