fix/various fixes

api/app/features/user/service.py

@@ -3,13 +3,21 @@ from datetime import timedelta
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.db import utc_now
+from app.core.logging import get_logger
+from app.core.redis import redis_service
+from app.core.task_tracker import task_tracker
 from app.features.user import repo
 from app.features.user.models import User
 from app.features.user.schemas import (
+    PURGE_USER_DATA_CONFIRMATION,
+    PurgeUserDataResponse,
     TestSubscriptionResponse,
     UpdateUserProfileRequest,
     UserProfileResponse,
 )
+from app.ports.storage import ObjectStorage
+
+logger = get_logger(__name__)
 
 
 def _user_to_profile(user: User) -> UserProfileResponse:
@@ -74,3 +82,72 @@ class UserService:
             message="已关闭测试订阅，恢复免费体验版",
             subscription_type="free",
         )
+
+    async def purge_all_user_data(
+        self,
+        user_id: str,
+        *,
+        confirmation: str,
+        object_storage: ObjectStorage | None = None,
+    ) -> PurgeUserDataResponse:
+        """物理删除该用户业务数据（不含 users 账号行）；提交后再清 Redis / 任务追踪 / 锁 key。"""
+        if confirmation != PURGE_USER_DATA_CONFIRMATION:
+            raise ValueError("确认文案不正确，请按提示完整输入口令")
+
+        user = await repo.get_user_by_id(user_id, self._db)
+        if not user:
+            raise ValueError("用户不存在")
+
+        storage_keys = await repo.collect_object_storage_keys_before_purge(
+            self._db, user_id
+        )
+        conv_ids, chapter_ids, story_ids = await repo.collect_purge_context(
+            self._db, user_id
+        )
+        await repo.purge_user_related_rows(self._db, user_id)
+        await self._db.commit()
+
+        if object_storage and storage_keys:
+            for key in storage_keys:
+                try:
+                    object_storage.delete(key)
+                except Exception as e:
+                    logger.warning(
+                        "对象存储删除失败 user_id=%s key=%s err=%s", user_id, key, e
+                    )
+
+        for cid in conv_ids:
+            try:
+                await redis_service.clear_conversation_history(cid)
+            except Exception as e:
+                logger.warning(
+                    "清空会话 Redis 历史失败 conversation_id=%s err=%s", cid, e
+                )
+
+        try:
+            await task_tracker.clear_user_tasks(user_id)
+        except Exception as e:
+            logger.warning("清空用户任务追踪失败 user_id=%s err=%s", user_id, e)
+
+        try:
+            await redis_service.delete_keys_matching_pattern(
+                f"lock:chapter:{user_id}:*"
+            )
+            for ch_id in chapter_ids:
+                await redis_service.delete_keys_matching_pattern(
+                    f"lock:chapter-images:{ch_id}"
+                )
+            for sid in story_ids:
+                await redis_service.delete_keys_matching_pattern(
+                    f"lock:story-image:{sid}"
+                )
+        except Exception as e:
+            logger.warning("清理 Redis 锁 key 失败 user_id=%s err=%s", user_id, e)
+
+        return PurgeUserDataResponse(
+            success=True,
+            message=(
+                "已清空该账号下的对话、记忆、故事、章节、订单等业务数据，并已尝试删除关联的对象存储文件；"
+                "所有登录会话已失效，请重新登录"
+            ),
+        )