[Fix]: 유저 탈퇴시 관련 데이터 삭제 (#109)

src/main/java/io/sobok/SobokSobok/auth/application/AuthService.java

@@ -6,20 +6,35 @@
 import io.sobok.SobokSobok.auth.ui.dto.JwtTokenResponse;
 import io.sobok.SobokSobok.exception.ErrorCode;
 import io.sobok.SobokSobok.exception.model.NotFoundException;
+import io.sobok.SobokSobok.friend.infrastructure.FriendQueryRepository;
+import io.sobok.SobokSobok.friend.infrastructure.FriendRepository;
+import io.sobok.SobokSobok.pill.domain.Pill;
+import io.sobok.SobokSobok.pill.infrastructure.PillQueryRepository;
+import io.sobok.SobokSobok.pill.infrastructure.PillRepository;
+import io.sobok.SobokSobok.pill.infrastructure.PillScheduleQueryRepository;
+import io.sobok.SobokSobok.pill.infrastructure.PillScheduleRepository;
 import io.sobok.SobokSobok.security.jwt.Jwt;
 import io.sobok.SobokSobok.security.jwt.JwtProvider;
+import io.sobok.SobokSobok.sticker.infrastructure.LikeScheduleQueryRepository;
+import io.sobok.SobokSobok.sticker.infrastructure.LikeScheduleRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.core.ValueOperations;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
+
 @Service
 @RequiredArgsConstructor
 public class AuthService {
 
     private final UserRepository userRepository;
+    private final FriendRepository friendRepository;
+    private final PillRepository pillRepository;
+    private final PillScheduleRepository pillScheduleRepository;
+    private final LikeScheduleRepository likeScheduleRepository;
 
     private final RedisTemplate<String, String> redisTemplate;
     private final JwtProvider jwtProvider;
@@ -62,8 +77,7 @@ public JwtTokenResponse refresh(String token) {
     @Transactional
     public void leave(Long userId, String leaveReason) {
 
-        User user = userRepository.findById(userId)
-                .orElseThrow(() -> new NotFoundException(ErrorCode.UNREGISTERED_USER));
+        User user = UserServiceUtil.findUserById(userRepository, userId);
 
         ValueOperations<String, String> valueOperations = redisTemplate.opsForValue();
         if (valueOperations.get(user.getSocialInfo().getSocialId()) == null) {
@@ -72,5 +86,14 @@ public void leave(Long userId, String leaveReason) {
 
         redisTemplate.delete(user.getSocialInfo().getSocialId());
         user.deleteUser(leaveReason);
+
+        List<Pill> pills = pillRepository.findAllByUserId(userId);
+        for (Pill pill : pills) {
+            pillScheduleRepository.deleteAllByPillId(pill.getId());
+        }
+
+        pillRepository.deleteAllByUserId(userId);
+        friendRepository.deleteAllBySenderIdOrReceiverId(userId, userId);
+        likeScheduleRepository.deleteAllBySenderId(userId);
     }
 }

src/main/java/io/sobok/SobokSobok/friend/infrastructure/FriendRepository.java

@@ -6,7 +6,11 @@
 
 public interface FriendRepository extends JpaRepository<Friend, Long> {
 
+    // READ
     List<Friend> findAllBySenderId(Long senderId);
 
     Integer countBySenderId(Long senderId);
+
+    // DELETE
+    void deleteAllBySenderIdOrReceiverId(Long senderId, Long receiverId);
 }

src/main/java/io/sobok/SobokSobok/pill/infrastructure/PillRepository.java

@@ -9,4 +9,7 @@ public interface PillRepository extends JpaRepository<Pill, Long> {
 
     // READ
     List<Pill> findAllByUserId(Long userId);
+
+    // DELETE
+    void deleteAllByUserId(Long userId);
 }

src/main/java/io/sobok/SobokSobok/sticker/infrastructure/LikeScheduleRepository.java

@@ -5,5 +5,9 @@
 
 public interface LikeScheduleRepository extends JpaRepository<LikeSchedule, Long> {
 
+    // READ
     Boolean existsBySenderIdAndScheduleId(Long senderId, Long scheduleId);
+
+    // DELETE
+    void deleteAllBySenderId(Long userId);
 }