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 <lightone2017@codebridge-x.com>
Date: Tue, 3 Mar 2026 19:57:50 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20[user]=20=EC=82=AC=EC=9A=A9=EC=9E=90=20?=
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- users.id를 참조하는 모든 FK를 information_schema에서 동적 조회
- NULLABLE FK → NULL 설정, NOT NULL FK → 관련 행 삭제
- 기존 5개 테이블만 처리하던 것을 전체 FK 대응으로 확장
---
 app/Services/UserService.php | 47 +++++++++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 12 deletions(-)

diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index db786fc0..e84be546 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -384,25 +384,48 @@ public function forceDeleteUser(int $id): bool
             // 1. 아카이브에 저장 (복원 가능하도록)
             $this->archiveService->archiveUser($user);
 
-            // 2. 관련 데이터 삭제
-            $user->tenants()->detach(); // user_tenants 관계 삭제
-
-            // 2-1. user_roles 영구 삭제 (외래 키 제약 때문에 forceDelete 필요)
+            // 2. 피벗/소유 테이블 삭제
+            $user->tenants()->detach();
             DB::table('user_roles')->where('user_id', $user->id)->delete();
-
-            // 2-2. department_user 영구 삭제
             DB::table('department_user')->where('user_id', $user->id)->delete();
-
-            // 2-3. sales_partners 삭제 (영업파트너)
             DB::table('sales_partners')->where('user_id', $user->id)->delete();
-
-            // 2-4. sales_manager_documents 삭제 (영업파트너 서류)
             DB::table('sales_manager_documents')->where('user_id', $user->id)->delete();
+            DB::table('login_tokens')->where('user_id', $user->id)->delete();
+            DB::table('notification_settings')->where('user_id', $user->id)->delete();
+            DB::table('notification_setting_group_states')->where('user_id', $user->id)->delete();
 
-            // 2-5. 하위 사용자의 parent_id 해제
+            // 3. 하위 사용자의 parent_id 해제
             User::where('parent_id', $user->id)->update(['parent_id' => null]);
 
-            // 3. 사용자 영구 삭제
+            // 4. DB에서 users.id를 참조하는 모든 FK를 동적 조회 → NULL 또는 삭제
+            $dbName = DB::getDatabaseName();
+            $fkRefs = DB::select("
+                SELECT kcu.TABLE_NAME, kcu.COLUMN_NAME, c.IS_NULLABLE
+                FROM information_schema.KEY_COLUMN_USAGE kcu
+                JOIN information_schema.COLUMNS c
+                  ON c.TABLE_SCHEMA = kcu.TABLE_SCHEMA
+                  AND c.TABLE_NAME = kcu.TABLE_NAME
+                  AND c.COLUMN_NAME = kcu.COLUMN_NAME
+                WHERE kcu.REFERENCED_TABLE_NAME = 'users'
+                  AND kcu.REFERENCED_COLUMN_NAME = 'id'
+                  AND kcu.TABLE_SCHEMA = ?
+            ", [$dbName]);
+
+            $skipTables = ['user_tenants', 'user_roles', 'department_user', 'sales_partners', 'sales_manager_documents', 'login_tokens', 'notification_settings', 'notification_setting_group_states', 'users'];
+
+            foreach ($fkRefs as $ref) {
+                if (in_array($ref->TABLE_NAME, $skipTables)) {
+                    continue;
+                }
+
+                if ($ref->IS_NULLABLE === 'YES') {
+                    DB::table($ref->TABLE_NAME)->where($ref->COLUMN_NAME, $user->id)->update([$ref->COLUMN_NAME => null]);
+                } else {
+                    DB::table($ref->TABLE_NAME)->where($ref->COLUMN_NAME, $user->id)->delete();
+                }
+            }
+
+            // 5. 사용자 영구 삭제
             return $user->forceDelete();
         });
     }