96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
"""数据文件接口：上传限制、上传解析、列出、查看、删除，见 docs/screen-agent/data-files.md 第 5 节"""
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from typing import Annotated, get_args
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from fastapi import APIRouter, Depends, File, Form, Query, Request, UploadFile
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from app.common.response import ApiResponse, success_response
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from app.core.auth import get_current_user
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from app.datafiles.service import MAX_FILES_PER_CONVERSATION, DataFileService
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from app.schemas.base import NonBlankString
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from app.schemas.data_file import (
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DataFileDetail,
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DataFileInfo,
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DataFileLimits,
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DataFileList,
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DataFileRecord,
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DataFormat,
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)
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from app.schemas.user import CurrentUser
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# 上传限制不需要登录，单独一个路由；要先于 /files/{file_id} 注册
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limits_router = APIRouter(prefix="/files", tags=["DataFile"])
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router = APIRouter(prefix="/files", tags=["DataFile"])
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# 文件选择框的过滤条件；后端按文件内容识别格式，不看扩展名
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ACCEPT = ".csv,.tsv,.txt,.xlsx,.xls,.xlsb,.json,.jsonl,.ndjson,.parquet"
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def _service(request: Request) -> DataFileService:
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return request.app.state.data_file_service
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def _detail(record: DataFileRecord) -> DataFileDetail:
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# 按接口模型重新校验，去掉 owner_id、sha256、列概况等只在后端用的字段
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return DataFileDetail.model_validate(record.model_dump())
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@limits_router.get("/limits")
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async def get_limits(request: Request) -> ApiResponse[DataFileLimits]:
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return success_response(
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DataFileLimits(
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max_size_mb=_service(request).max_mb,
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max_files_per_conversation=MAX_FILES_PER_CONVERSATION,
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formats=list(get_args(DataFormat)),
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accept=ACCEPT,
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)
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)
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@router.post("")
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async def upload_file(
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request: Request,
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conversation_id: Annotated[NonBlankString, Form()],
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file: Annotated[UploadFile, File()],
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user: Annotated[CurrentUser, Depends(get_current_user)],
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) -> ApiResponse[DataFileDetail]:
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record = await _service(request).upload(
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user.id, conversation_id, file.filename, file.file
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)
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return success_response(_detail(record))
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@router.get("")
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async def list_files(
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request: Request,
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conversation_id: Annotated[NonBlankString, Query()],
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user: Annotated[CurrentUser, Depends(get_current_user)],
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) -> ApiResponse[DataFileList]:
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records = await _service(request).list_files(user.id, conversation_id)
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return success_response(
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DataFileList(
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files=[
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DataFileInfo.model_validate(record.model_dump()) for record in records
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]
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)
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)
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@router.get("/{file_id}")
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async def get_file(
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file_id: str,
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request: Request,
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user: Annotated[CurrentUser, Depends(get_current_user)],
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) -> ApiResponse[DataFileDetail]:
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return success_response(_detail(await _service(request).get_file(user.id, file_id)))
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@router.delete("/{file_id}")
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async def delete_file(
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file_id: str,
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request: Request,
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user: Annotated[CurrentUser, Depends(get_current_user)],
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) -> ApiResponse[dict]:
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await _service(request).delete_file(user.id, file_id)
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return success_response()
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