ovdashboard/api/ovdashboard_api/routers/image.py

61 lines
1.4 KiB
Python

import re
from io import BytesIO
from typing import Iterator
from fastapi import APIRouter, Depends
from fastapi.responses import StreamingResponse
from PIL import Image
from ..dav_file import DavFile
from ._common import FileNameLister, FilePrefixFinder, FilePrefixLoader
router = APIRouter(prefix="/image", tags=["image"])
_lister = FileNameLister(
remote_path="img",
re=re.compile(
r"\.(gif|jpe?g|tiff?|png|bmp)$",
flags=re.IGNORECASE,
),
)
_finder = FilePrefixFinder(_lister)
_loader = FilePrefixLoader(_finder)
@router.get("/list", response_model=list[str])
async def list_images(
image_file_names: Iterator[str] = Depends(_lister),
) -> list[str]:
return list(image_file_names)
@router.get("/find/{prefix}", response_model=list[str])
async def find_images(
file_names: Iterator[str] = Depends(_finder),
) -> list[str]:
return list(file_names)
@router.get(
"/get/{prefix}",
response_class=StreamingResponse,
responses=_loader.responses,
)
async def get_image(
prefix: str,
dav_file: DavFile = Depends(_loader),
) -> str:
img = Image.open(BytesIO(await dav_file.bytes)).convert("RGB")
img_buffer = BytesIO()
img.save(img_buffer, format='JPEG', quality=85)
img_buffer.seek(0)
return StreamingResponse(
content=img_buffer,
media_type="image/jpeg",
headers={
"Content-Disposition": f"filename={prefix}.jpg"
},
)