imp: 회원탈퇴 진행시, 그룹 승계 작업 및 제거 작업을 진행

Author: DongGeon0908

src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt

@@ -58,11 +58,15 @@ class GroupFacade(
     }
 
     suspend fun withdraw(user: AuthUser, groupId: Long) {
+        withdraw(groupId, user.uid)
+    }
+
+    suspend fun withdraw(groupId: Long, uid: Long) {
         val group = groupService.findByIdOrThrow(groupId)
 
-        when (group.ownerUid == user.uid) {
+        when (group.ownerUid == uid) {
             true -> withdrawGroupOwner(group)
-            false -> withdrawGroupUser(groupId, user)
+            false -> withdrawGroupUser(groupId, uid)
         }
     }
 
@@ -85,9 +89,9 @@ class GroupFacade(
         }
     }
 
-    private suspend fun withdrawGroupUser(groupId: Long, user: AuthUser) {
+    private suspend fun withdrawGroupUser(groupId: Long, uid: Long) {
         txTemplates.writer.executesOrNull {
-            groupUserService.deleteBySync(groupId, user.uid)
+            groupUserService.deleteBySync(groupId, uid)
         }
     }
 

src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupRepository.kt

@@ -14,4 +14,6 @@ interface GroupRepository : JpaRepository<Group, Long> {
     fun findByIdAndOwnerUid(id: Long, ownerUid: Long): Group?
 
     fun countByCreatedAtBetween(startAt: LocalDateTime, endAt: LocalDateTime): Long
+
+    fun findByOwnerUid(ownerUid: Long): Group?
 }

src/main/kotlin/com/hero/alignlab/event/listener/WithdrawEventListener.kt

@@ -1,11 +1,9 @@
 package com.hero.alignlab.event.listener
 
-import com.hero.alignlab.config.database.TransactionTemplates
-import com.hero.alignlab.domain.discussion.infrastructure.DiscussionCommentRepository
-import com.hero.alignlab.domain.discussion.infrastructure.DiscussionRepository
+import com.hero.alignlab.domain.group.application.GroupFacade
 import com.hero.alignlab.domain.group.infrastructure.GroupRepository
-import com.hero.alignlab.domain.group.infrastructure.GroupUserRepository
 import com.hero.alignlab.domain.notification.infrastructure.PoseNotificationRepository
+import com.hero.alignlab.domain.pose.infrastructure.*
 import com.hero.alignlab.event.model.WithdrawEvent
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -15,18 +13,29 @@ import org.springframework.transaction.event.TransactionalEventListener
 
 @Component
 class WithdrawEventListener(
-    private val txTemplates: TransactionTemplates,
-    private val discussionRepository: DiscussionRepository,
+    /** 탈퇴 회원이 그룹장인 경우 승계 작업 필요. */
+    private val groupFacade: GroupFacade,
     private val groupRepository: GroupRepository,
-    private val groupUserRepository: GroupUserRepository,
+
+    /** 자세 데이터, 탈퇴회원이 있더라도 문제 없음. */
+    private val poseCountRepository: PoseCountRepository,
+    private val poseSnapshotRepository: PoseSnapshotRepository,
+    private val poseKeyPointSnapshotRepository: PoseKeyPointSnapshotRepository,
+    private val poseLayoutRepository: PoseLayoutRepository,
+    private val poseLayoutPointRepository: PoseLayoutPointRepository,
     private val poseNotificationRepository: PoseNotificationRepository,
-    private val discussionCommentRepository: DiscussionCommentRepository,
 ) {
+    /**
+     * 현상황에서 그룹 승계 작업만 원활히 진행되면, 그외 데이터의 경우 탈퇴로 인한 문제는 발생하지 않는다.
+     */
     @TransactionalEventListener
     fun handle(event: WithdrawEvent) {
+        /** 그룹 승계 및 탈퇴 */
         CoroutineScope(Dispatchers.IO).launch {
-            txTemplates.writer.executeWithoutResult {
-                // TODO: 회원 탈퇴 로직 필요.
+            val group = groupRepository.findByOwnerUid(event.uid)
+
+            if (group != null) {
+                groupFacade.withdraw(group.id, event.uid)
             }
         }
     }