[fix] 팜클럽 유저 리스트 DB 쿼리

src/main/java/com/modernfarmer/farmusspring/domain/farmclub/repository/FarmClubRepositoryCustom.java

@@ -3,6 +3,7 @@
 import com.modernfarmer.farmusspring.domain.farmclub.dto.res.GetMyFarmClubListResponseDto;
 import com.modernfarmer.farmusspring.domain.farmclub.dto.res.GetRecommendFarmClubResponseDto;
 import com.modernfarmer.farmusspring.domain.farmclub.entity.FarmClub;
+import com.modernfarmer.farmusspring.domain.farmclub.vo.GetFarmClubUserVo;
 import com.modernfarmer.farmusspring.domain.farmclub.vo.GetMyFarmClubVo;
 import com.modernfarmer.farmusspring.domain.farmclub.dto.res.SearchFarmClubResponseDto;
 import com.modernfarmer.farmusspring.domain.history.vo.HistoryDetailVo;
@@ -14,6 +15,6 @@ public interface FarmClubRepositoryCustom {
     List<GetMyFarmClubListResponseDto> findMyFarmClubList(Long userId);
     GetMyFarmClubVo findMyFarmClub(Long farmClubId, Long userId);
     HistoryDetailVo getFarmClubDetail(Long userFarmClubId);
-
+    List<GetFarmClubUserVo> findFarmClubUserList(Long farmClubId);
     List<FarmClub> getRecommendedFarmClubList(String level);
 }

src/main/java/com/modernfarmer/farmusspring/domain/farmclub/repository/FarmClubRepositoryImpl.java

@@ -5,11 +5,13 @@
 import com.modernfarmer.farmusspring.domain.farmclub.entity.QFarmClub;
 import com.modernfarmer.farmusspring.domain.farmclub.exception.FarmClubErrorCode;
 import com.modernfarmer.farmusspring.domain.farmclub.exception.custom.FarmClubEntityNotFoundException;
+import com.modernfarmer.farmusspring.domain.farmclub.vo.GetFarmClubUserVo;
 import com.modernfarmer.farmusspring.domain.farmclub.vo.GetMyFarmClubVo;
 import com.modernfarmer.farmusspring.domain.farmclub.vo.QGetMyFarmClubVo_BaseInfo;
 import com.modernfarmer.farmusspring.domain.history.vo.HistoryDetailVo;
 import com.modernfarmer.farmusspring.domain.history.vo.QHistoryDetailVo;
 import com.querydsl.core.Tuple;
+import com.querydsl.core.types.Projections;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.jpa.JPAExpressions;
 import com.querydsl.jpa.impl.JPAQueryFactory;
@@ -107,6 +109,26 @@ public GetMyFarmClubVo findMyFarmClub(Long farmClubId, Long userId) {
         return GetMyFarmClubVo.of(baseInfo, userFarmClubCount, currentStep, userFarmClubCreatedDate);
     }
 
+    @Override
+    public List<GetFarmClubUserVo> findFarmClubUserList(Long farmClubId) {
+        JPAQueryFactory queryFactory = new JPAQueryFactory(em);
+
+        return queryFactory
+                .select(Projections.constructor(
+                        GetFarmClubUserVo.class,
+                        user.nickname,
+                        user.profileImage))
+                .from(user)
+                .where(user.id.in(
+                        JPAExpressions
+                                .select(userFarmClub.userId)
+                                .from(userFarmClub)
+                                .join(userFarmClub.farmClub, farmClub)
+                                .where(farmClub.id.eq(farmClubId))
+                ))
+                .fetch();
+    }
+
     public HistoryDetailVo getFarmClubDetail(Long userFarmClubId) {
         JPAQueryFactory queryFactory = new JPAQueryFactory(em);
 

src/main/java/com/modernfarmer/farmusspring/domain/farmclub/vo/GetFarmClubUserVo.java

@@ -0,0 +1,17 @@
+package com.modernfarmer.farmusspring.domain.farmclub.vo;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+
+@Builder(access = AccessLevel.PRIVATE)
+public record GetFarmClubUserVo(
+        String nickname,
+        String profileImage
+) {
+    public static GetFarmClubUserVo of(String nickname, String profileImage) {
+        return GetFarmClubUserVo.builder()
+                .nickname(nickname)
+                .profileImage(profileImage)
+                .build();
+    }
+}