94 lines
2 KiB
Python
94 lines
2 KiB
Python
"""
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Router "file" provides:
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- listing files
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- finding files by name prefix
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- getting files by name prefix
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"""
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import re
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from io import BytesIO
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from logging import getLogger
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from fastapi import APIRouter, Depends
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from fastapi.responses import StreamingResponse
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from magic import Magic
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from ...core.dav_common import webdav_ensure_files, webdav_ensure_path
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from ...core.webdav import WebDAV
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from ._common import filter_prefix, filter_prefix_unique, get_remote_path, list_files
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_logger = getLogger(__name__)
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_magic = Magic(mime=True)
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_PATH_NAME = "file_dir"
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router = APIRouter(prefix="/file", tags=["file"])
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_ls = list_files(
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path_name=_PATH_NAME,
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re=re.compile(
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r"[^/]$",
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flags=re.IGNORECASE,
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),
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)
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_rp = get_remote_path(path_name=_PATH_NAME)
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_fp = filter_prefix(_ls.func)
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_fpu = filter_prefix_unique(_fp.func)
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@router.on_event("startup")
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async def start_router() -> None:
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_logger.debug(f"{router.prefix} router starting.")
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remote_path = await _rp.func()
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if not webdav_ensure_path(remote_path):
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webdav_ensure_files(
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remote_path,
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"logo.svg",
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"thw.svg",
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)
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@router.get(
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"/list",
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response_model=list[str],
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responses=_ls.responses,
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)
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async def list_all_files(
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names: list[str] = Depends(_ls.func),
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) -> list[str]:
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return names
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@router.get(
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"/find/{prefix}",
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response_model=list[str],
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responses=_fp.responses,
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)
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async def find_files_by_prefix(
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names: list[str] = Depends(_fp.func),
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) -> list[str]:
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return names
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@router.get(
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"/get/{prefix}",
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response_class=StreamingResponse,
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responses=_fpu.responses,
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)
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async def get_file_by_prefix(
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prefix: str,
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remote_path: str = Depends(_rp.func),
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name: str = Depends(_fpu.func),
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) -> StreamingResponse:
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buffer = BytesIO(await WebDAV.read_bytes(f"{remote_path}/{name}"))
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mime = _magic.from_buffer(buffer.read(2048))
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buffer.seek(0)
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return StreamingResponse(
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content=buffer,
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media_type=mime,
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headers={"Content-Disposition": f"filename={prefix}"},
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)
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