81 lines
2 KiB
Python
81 lines
2 KiB
Python
import re
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from io import BytesIO
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from typing import Iterator
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.responses import StreamingResponse
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from PIL import Image
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from ..dav_file import DavFile
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from ._common import FileNameLister, FilePrefixFinder
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router = APIRouter(prefix="/image", tags=["image"])
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_lister = FileNameLister(
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remote_path="img",
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re=re.compile(
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r"\.(gif|jpe?g|tiff?|png|bmp)$",
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flags=re.IGNORECASE,
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),
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)
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_finder = FilePrefixFinder(_lister)
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@router.get("/list", response_model=list[str])
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async def list_images(
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image_file_names: Iterator[str] = Depends(_lister),
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) -> list[str]:
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return list(image_file_names)
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@router.get("/find/{prefix}", response_model=list[str])
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async def find_images(
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file_names: Iterator[str] = Depends(_finder),
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) -> list[str]:
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return list(file_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={
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status.HTTP_200_OK: {
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"description": "Operation successful",
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},
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status.HTTP_404_NOT_FOUND: {
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"description": "image file not found",
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"content": None,
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},
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status.HTTP_409_CONFLICT: {
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"description": "ambiguous image file name",
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"content": None,
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},
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},
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)
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async def get_image(
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prefix: str,
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file_names: Iterator[str] = Depends(_finder),
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) -> StreamingResponse:
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file_names = list(file_names)
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if not (file_names := list(file_names)):
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
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elif len(file_names) > 1:
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raise HTTPException(status_code=status.HTTP_409_CONFLICT)
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img_file = DavFile(f"img/{file_names[0]}")
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img = Image.open(BytesIO(await img_file.bytes)).convert("RGB")
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img_buffer = BytesIO()
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img.save(img_buffer, format='JPEG', quality=85)
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img_buffer.seek(0)
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return StreamingResponse(
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content=img_buffer,
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media_type="image/jpeg",
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headers={
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"Content-Disposition": f"filename={prefix}.jpg"
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},
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)
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