[FIX] 저장 푸드트럭 조회시 페이징 관련 이슈 해결

src/main/java/konkuk/chacall/domain/member/application/foodtruck/SavedFoodTruckService.java

@@ -61,10 +61,12 @@ public CursorPagingResponse<SavedFoodTruckResponse> getSavedFoodTrucks(CursorPag
 
         // 응답 DTO로 변환
         List<SavedFoodTruckResponse> responses = savedFoodTrucks.stream()
-                .map(SavedFoodTruck::getFoodTruck)
                 .map(SavedFoodTruckResponse::of)
                 .toList();
 
-        return CursorPagingResponse.of(responses, SavedFoodTruckResponse::foodTruckId, savedFoodTruckSlice.hasNext());
+        // 전체 저장 푸드트럭 갯수 조회
+        long totalSize = savedFoodTruckRepository.countByMemberAndFoodTruckViewedStatus(member, FoodTruckViewedStatus.ON);
+
+        return CursorPagingResponse.of(responses, SavedFoodTruckResponse::savedFoodTruckId, savedFoodTruckSlice.hasNext(), totalSize);
     }
 }

src/main/java/konkuk/chacall/domain/member/domain/repository/SavedFoodTruckRepository.java

@@ -58,4 +58,10 @@ select exists (
             """)
     boolean existsByMemberIdAndFoodTruckId(@Param("userId") Long userId,
                                            @Param("foodTruckId") Long foodTruckId);
+
+    @Query("SELECT COUNT(sft) FROM SavedFoodTruck sft " +
+           "WHERE sft.member = :member " +
+           "AND sft.foodTruck.foodTruckViewedStatus = :status")
+    long countByMemberAndFoodTruckViewedStatus(@Param("member") User member,
+                                               @Param("status") FoodTruckViewedStatus status);
 }

src/main/java/konkuk/chacall/domain/member/presentation/dto/response/SavedFoodTruckResponse.java

@@ -1,8 +1,10 @@
 package konkuk.chacall.domain.member.presentation.dto.response;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import io.swagger.v3.oas.annotations.media.Schema;
 import konkuk.chacall.domain.foodtruck.domain.model.FoodTruck;
 import konkuk.chacall.domain.foodtruck.domain.value.FoodTruckInfo;
+import konkuk.chacall.domain.member.domain.SavedFoodTruck;
 
 import java.util.List;
 
@@ -20,9 +22,14 @@ public record SavedFoodTruckResponse(
         @Schema(description = "푸드트럭 평균 평점", example = "4.5")
         Double averageRating,
         @Schema(description = "푸드트럭 평점 수", example = "100")
-        Integer ratingCount
+        Integer ratingCount,
+
+        @JsonIgnore
+        @Schema(hidden = true, description = "커서 계산용 내부 필드 (응답에 미포함)")
+        Long savedFoodTruckId
 ) {
-    public static SavedFoodTruckResponse of(FoodTruck foodTruck) {
+    public static SavedFoodTruckResponse of(SavedFoodTruck savedFoodTruck) {
+        FoodTruck foodTruck = savedFoodTruck.getFoodTruck();
         FoodTruckInfo foodTruckInfo = foodTruck.getFoodTruckInfo();
         return new SavedFoodTruckResponse(
                 foodTruck.getFoodTruckId(),
@@ -31,7 +38,8 @@ public static SavedFoodTruckResponse of(FoodTruck foodTruck) {
                 foodTruckInfo.getDescription(),
                 foodTruckInfo.getMenuCategoryList().getMenuCategoryLabelList(),
                 foodTruck.getRatingInfo().getAverageRating(),
-                foodTruck.getRatingInfo().getRatingCount()
+                foodTruck.getRatingInfo().getRatingCount(),
+                savedFoodTruck.getSavedFoodTruckId()
         );
     }
 }

src/main/java/konkuk/chacall/global/common/dto/CursorPagingResponse.java

@@ -5,14 +5,24 @@
 public record CursorPagingResponse<T>(
         List<T> content,
         Long lastCursor,
-        boolean hasNext
+        boolean hasNext,
+        Long totalSize
 ) {
     public static <T> CursorPagingResponse<T> of(
             List<T> content,
             CursorExtractor<T> extractor,
             boolean hasNext
+    ) {
+        return of(content, extractor, hasNext, null);
+    }
+
+    public static <T> CursorPagingResponse<T> of(
+            List<T> content,
+            CursorExtractor<T> extractor,
+            boolean hasNext,
+            Long totalSize
     ) {
         Long lastCursor = (content == null || content.isEmpty()) ? null : extractor.extractCursor(content.get(content.size() - 1));
-        return new CursorPagingResponse<>(content, lastCursor, hasNext);
+        return new CursorPagingResponse<>(content, lastCursor, hasNext, totalSize);
     }
 }