feat: 회원 탈퇴

src/main/kotlin/com/hero/alignlab/domain/auth/application/OAuthFacade.kt

@@ -1,5 +1,7 @@
 package com.hero.alignlab.domain.auth.application
 
+import com.hero.alignlab.client.kakao.KakaoInfoService
+import com.hero.alignlab.client.kakao.model.request.KakaoOAuthUnlinkRequest
 import com.hero.alignlab.common.extension.executes
 import com.hero.alignlab.config.database.TransactionTemplates
 import com.hero.alignlab.domain.auth.model.OAuthProvider
@@ -12,7 +14,9 @@ import com.hero.alignlab.domain.user.application.OAuthUserInfoService
 import com.hero.alignlab.domain.user.application.UserInfoService
 import com.hero.alignlab.domain.user.domain.OAuthUserInfo
 import com.hero.alignlab.domain.user.domain.UserInfo
+import com.hero.alignlab.event.model.WithdrawEvent
 import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.context.ApplicationEventPublisher
 import org.springframework.stereotype.Service
 import java.time.LocalDateTime
 
@@ -23,6 +27,8 @@ class OAuthFacade(
     private val userInfoService: UserInfoService,
     private val jwtTokenService: JwtTokenService,
     private val txTemplates: TransactionTemplates,
+    private val kakaoInfoService: KakaoInfoService,
+    private val publisher: ApplicationEventPublisher,
 ) {
     companion object {
         private val TOKEN_EXPIRED_DATE = LocalDateTime.of(2024, 12, 29, 0, 0, 0)
@@ -84,4 +90,26 @@ class OAuthFacade(
             accessToken = token
         )
     }
+
+    suspend fun withdraw(
+        provider: OAuthProvider,
+        accessToken: String,
+        oauthId: String
+    ) {
+        when (provider) {
+            OAuthProvider.kakao -> kakaoInfoService.unlink(accessToken, KakaoOAuthUnlinkRequest(targetId = oauthId))
+        }
+
+        val oauthUser = oAuthUserInfoService.findByProviderAndOauthId(provider.toProvider(), oauthId)
+
+        if (oauthUser != null) {
+            /** 유저 정보는 즉시 삭제 */
+            txTemplates.writer.executes {
+                oAuthUserInfoService.deleteSync(provider.toProvider(), oauthId)
+                userInfoService.deleteBySync(oauthUser.uid)
+
+                publisher.publishEvent(WithdrawEvent(oauthUser.uid))
+            }
+        }
+    }
 }

src/main/kotlin/com/hero/alignlab/domain/auth/resource/OAuthResource.kt

@@ -2,6 +2,7 @@ package com.hero.alignlab.domain.auth.resource
 
 import com.hero.alignlab.common.extension.wrapCreated
 import com.hero.alignlab.common.extension.wrapOk
+import com.hero.alignlab.common.extension.wrapVoid
 import com.hero.alignlab.domain.auth.application.OAuthFacade
 import com.hero.alignlab.domain.auth.model.OAuthProvider
 import com.hero.alignlab.domain.auth.model.request.OAuthSignInRequest
@@ -40,4 +41,16 @@ class OAuthResource(
         @PathVariable provider: OAuthProvider,
         @RequestBody request: OAuthSignUpRequest,
     ) = oAuthFacade.signUp(provider, request).wrapCreated()
+
+    @Operation(summary = "탈퇴하기")
+    @DeleteMapping("/api/v1/oauth/{provider}/withdraw")
+    suspend fun withdraw(
+        @PathVariable provider: OAuthProvider,
+        @RequestParam accessToken: String,
+        @RequestParam oauthId: String,
+    ) = oAuthFacade.withdraw(
+        provider = provider,
+        accessToken = accessToken,
+        oauthId = oauthId
+    ).wrapVoid()
 }

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

@@ -0,0 +1,33 @@
+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.infrastructure.GroupRepository
+import com.hero.alignlab.domain.group.infrastructure.GroupUserRepository
+import com.hero.alignlab.domain.notification.infrastructure.PoseNotificationRepository
+import com.hero.alignlab.event.model.WithdrawEvent
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.springframework.stereotype.Component
+import org.springframework.transaction.event.TransactionalEventListener
+
+@Component
+class WithdrawEventListener(
+    private val txTemplates: TransactionTemplates,
+    private val discussionRepository: DiscussionRepository,
+    private val groupRepository: GroupRepository,
+    private val groupUserRepository: GroupUserRepository,
+    private val poseNotificationRepository: PoseNotificationRepository,
+    private val discussionCommentRepository: DiscussionCommentRepository,
+) {
+    @TransactionalEventListener
+    fun handle(event: WithdrawEvent) {
+        CoroutineScope(Dispatchers.IO).launch {
+            txTemplates.writer.executeWithoutResult {
+                // TODO: 회원 탈퇴 로직 필요.
+            }
+        }
+    }
+}

src/main/kotlin/com/hero/alignlab/event/model/Event.kt

@@ -52,3 +52,7 @@ data class SystemActionLogEvent(
         }
     }
 }
+
+data class WithdrawEvent(
+    val uid: Long,
+) : BaseEvent()