209 lines
6.7 KiB
Python
209 lines
6.7 KiB
Python
from datetime import datetime
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from typing import Annotated
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from uuid import UUID
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from fastapi import APIRouter, Depends, HTTPException
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from fastapi.responses import FileResponse
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from loguru import logger as l
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from sqlalchemy import and_
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from middleware.auth import admin_required
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from middleware.dependencies import SessionDep, TableViewRequestDep
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from models import (
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Policy, PolicyType, User, ResponseBase, ListResponse,
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Object, ObjectType, AdminFileResponse, FileBanRequest, )
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from service.storage import LocalStorageService
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admin_file_router = APIRouter(
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prefix="/file",
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tags=["admin", "admin_file"],
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)
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@admin_file_router.get(
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path='/list',
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summary='获取文件列表',
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description='Get file list',
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dependencies=[Depends(admin_required)],
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)
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async def router_admin_get_file_list(
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session: SessionDep,
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table_view: TableViewRequestDep,
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user_id: UUID | None = None,
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is_banned: bool | None = None,
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keyword: str | None = None,
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) -> ListResponse[AdminFileResponse]:
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"""
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获取系统中的文件列表，支持筛选。
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:param session: 数据库会话
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:param table_view: 分页排序参数依赖
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:param user_id: 按用户筛选
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:param is_banned: 按封禁状态筛选
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:param keyword: 按文件名搜索
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:return: 分页文件列表
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"""
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# 构建查询条件
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conditions = [Object.type == ObjectType.FILE]
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if user_id:
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conditions.append(Object.owner_id == user_id)
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if is_banned is not None:
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conditions.append(Object.is_banned == is_banned)
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if keyword:
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conditions.append(Object.name.ilike(f"%{keyword}%"))
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condition = and_(*conditions) if len(conditions) > 1 else conditions[0]
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result = await Object.get_with_count(session, condition, table_view=table_view, load=Object.owner)
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# 构建响应
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items: list[AdminFileResponse] = []
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for f in result.items:
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owner = await f.awaitable_attrs.owner
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policy = await f.awaitable_attrs.policy
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items.append(AdminFileResponse.from_object(f, owner, policy))
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return ListResponse(items=items, count=result.count)
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@admin_file_router.get(
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path='/preview/{file_id}',
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summary='预览文件',
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description='Preview file by ID',
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dependencies=[Depends(admin_required)],
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)
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async def router_admin_preview_file(
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session: SessionDep,
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file_id: UUID,
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) -> FileResponse:
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"""
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管理员预览文件内容。
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:param session: 数据库会话
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:param file_id: 文件UUID
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:return: 文件内容
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"""
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file_obj = await Object.get(session, Object.id == file_id)
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if not file_obj:
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raise HTTPException(status_code=404, detail="文件不存在")
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if not file_obj.is_file:
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raise HTTPException(status_code=400, detail="对象不是文件")
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# 获取物理文件
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physical_file = await file_obj.awaitable_attrs.physical_file
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if not physical_file or not physical_file.storage_path:
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raise HTTPException(status_code=500, detail="文件存储路径丢失")
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policy = await Policy.get(session, Policy.id == file_obj.policy_id)
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if not policy:
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raise HTTPException(status_code=500, detail="存储策略不存在")
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if policy.type == PolicyType.LOCAL:
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storage_service = LocalStorageService(policy)
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if not await storage_service.file_exists(physical_file.storage_path):
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raise HTTPException(status_code=404, detail="物理文件不存在")
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return FileResponse(
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path=physical_file.storage_path,
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filename=file_obj.name,
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)
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else:
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raise HTTPException(status_code=501, detail="S3 存储暂未实现")
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@admin_file_router.patch(
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path='/ban/{file_id}',
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summary='封禁/解禁文件',
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description='Ban the file, user can\'t open, copy, move, download or share this file if administrator ban.',
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dependencies=[Depends(admin_required)],
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)
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async def router_admin_ban_file(
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session: SessionDep,
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file_id: UUID,
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request: FileBanRequest,
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admin: Annotated[User, Depends(admin_required)],
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) -> ResponseBase:
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"""
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封禁或解禁文件。封禁后用户无法访问该文件。
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:param session: 数据库会话
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:param file_id: 文件UUID
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:param request: 封禁请求
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:param admin: 当前管理员
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:return: 封禁结果
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"""
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file_obj = await Object.get(session, Object.id == file_id)
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if not file_obj:
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raise HTTPException(status_code=404, detail="文件不存在")
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file_obj.is_banned = request.is_banned
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if request.is_banned:
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file_obj.banned_at = datetime.now()
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file_obj.banned_by = admin.id
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file_obj.ban_reason = request.reason
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else:
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file_obj.banned_at = None
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file_obj.banned_by = None
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file_obj.ban_reason = None
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file_obj = await file_obj.save(session)
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action = "封禁" if request.is_banned else "解禁"
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l.info(f"管理员{action}了文件: {file_obj.name}")
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return ResponseBase(data={
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"id": str(file_obj.id),
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"is_banned": file_obj.is_banned,
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})
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@admin_file_router.delete(
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path='/{file_id}',
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summary='删除文件',
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description='Delete file by ID',
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dependencies=[Depends(admin_required)],
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)
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async def router_admin_delete_file(
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session: SessionDep,
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file_id: UUID,
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delete_physical: bool = True,
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) -> ResponseBase:
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"""
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删除文件。
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:param session: 数据库会话
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:param file_id: 文件UUID
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:param delete_physical: 是否同时删除物理文件
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:return: 删除结果
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"""
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file_obj = await Object.get(session, Object.id == file_id)
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if not file_obj:
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raise HTTPException(status_code=404, detail="文件不存在")
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if not file_obj.is_file:
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raise HTTPException(status_code=400, detail="对象不是文件")
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file_name = file_obj.name
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file_size = file_obj.size
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owner_id = file_obj.owner_id
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# 删除物理文件（可选）
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if delete_physical:
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physical_file = await file_obj.awaitable_attrs.physical_file
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if physical_file and physical_file.storage_path:
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policy = await Policy.get(session, Policy.id == file_obj.policy_id)
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if policy and policy.type == PolicyType.LOCAL:
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try:
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storage_service = LocalStorageService(policy)
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await storage_service.delete_file(physical_file.storage_path)
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except Exception as e:
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l.warning(f"删除物理文件失败: {e}")
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# 更新用户存储量
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owner = await User.get(session, User.id == owner_id)
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if owner:
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owner.storage = max(0, owner.storage - file_size)
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await owner.save(session)
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await Object.delete(session, file_obj)
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l.info(f"管理员删除了文件: {file_name}")
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return ResponseBase(data={"deleted": True}) |