2022-09-05 12:54:02 +00:00
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"""
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Router "image" provides:
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- listing image files
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- finding image files by name prefix
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- getting image files in a uniform format by name prefix
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"""
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2022-08-31 10:21:24 +00:00
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import re
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2022-09-02 12:20:29 +00:00
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from io import BytesIO
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2022-09-08 14:02:50 +00:00
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from logging import getLogger
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2022-08-31 10:21:24 +00:00
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2022-09-02 14:51:11 +00:00
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from fastapi import APIRouter, Depends
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2022-08-31 10:21:24 +00:00
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from fastapi.responses import StreamingResponse
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from PIL import Image
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2023-10-20 11:12:53 +00:00
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from ...core.config import Config, ImageUIConfig, get_config
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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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2023-10-23 21:32:25 +00:00
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from ._common import filter_prefix, filter_prefix_unique, get_remote_path, list_files
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2022-08-31 10:21:24 +00:00
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2022-09-08 14:02:50 +00:00
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_logger = getLogger(__name__)
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2023-10-23 21:32:25 +00:00
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_PATH_NAME = "image_dir"
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2022-09-08 14:02:50 +00:00
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2022-08-31 10:21:24 +00:00
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router = APIRouter(prefix="/image", tags=["image"])
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2023-10-23 21:32:25 +00:00
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_ls = list_files(
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path_name=_PATH_NAME,
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2022-09-02 13:22:35 +00:00
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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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2022-08-31 10:21:24 +00:00
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)
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2023-10-23 21:32:25 +00:00
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_rp = get_remote_path(path_name=_PATH_NAME)
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2023-10-23 21:44:09 +00:00
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_fp = filter_prefix(_ls)
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_fpu = filter_prefix_unique(_fp)
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2022-08-31 10:21:24 +00:00
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2022-09-08 14:02:50 +00:00
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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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2023-10-25 18:50:03 +00:00
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remote_path = await _rp.func()
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2023-10-23 21:32:25 +00:00
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if not webdav_ensure_path(remote_path):
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2022-09-19 11:42:43 +00:00
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webdav_ensure_files(
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2023-10-23 21:32:25 +00:00
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remote_path,
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2022-09-19 11:42:43 +00:00
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"img1.jpg",
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"img2.jpg",
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"img3.jpg",
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)
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2022-09-08 14:02:50 +00:00
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2022-09-05 00:23:00 +00:00
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@router.get(
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"/list",
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2023-10-23 21:32:25 +00:00
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responses=_ls.responses,
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2022-09-05 00:23:00 +00:00
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)
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2023-10-23 21:32:25 +00:00
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async def list_all_images(
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names: list[str] = Depends(_ls.func),
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2022-08-31 10:21:24 +00:00
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) -> list[str]:
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2023-10-23 21:32:25 +00:00
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return names
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2022-08-31 10:21:24 +00:00
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2022-09-05 00:23:00 +00:00
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@router.get(
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"/find/{prefix}",
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2023-10-23 21:32:25 +00:00
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responses=_fp.responses,
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2022-09-05 00:23:00 +00:00
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)
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2023-10-23 21:32:25 +00:00
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async def find_images_by_prefix(
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names: list[str] = Depends(_fp.func),
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2022-08-31 10:21:24 +00:00
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) -> list[str]:
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2023-10-23 21:32:25 +00:00
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return names
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2022-08-31 10:21:24 +00:00
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@router.get(
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"/get/{prefix}",
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2023-10-23 21:32:25 +00:00
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responses=_fpu.responses,
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2023-10-24 17:39:43 +00:00
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response_class=StreamingResponse,
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2022-08-31 10:21:24 +00:00
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)
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2023-10-23 21:32:25 +00:00
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async def get_image_by_prefix(
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2022-08-31 10:21:24 +00:00
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prefix: str,
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2023-10-23 21:32:25 +00:00
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remote_path: str = Depends(_rp.func),
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name: str = Depends(_fpu.func),
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2022-09-08 00:24:36 +00:00
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) -> StreamingResponse:
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2023-10-20 11:12:53 +00:00
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cfg = await get_config()
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2023-10-23 21:32:25 +00:00
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img = Image.open(BytesIO(await WebDAV.read_bytes(f"{remote_path}/{name}")))
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2022-09-02 12:20:29 +00:00
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img_buffer = BytesIO()
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2022-09-06 00:16:24 +00:00
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img.save(img_buffer, **cfg.image.save_params)
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2022-08-31 10:21:24 +00:00
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img_buffer.seek(0)
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return StreamingResponse(
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2022-08-31 10:41:36 +00:00
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content=img_buffer,
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2022-08-31 10:21:24 +00:00
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media_type="image/jpeg",
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2023-10-17 12:55:38 +00:00
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headers={"Content-Disposition": f"filename={prefix}.jpg"},
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2022-08-31 10:21:24 +00:00
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)
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2022-09-15 22:32:11 +00:00
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2023-10-24 17:39:43 +00:00
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@router.get("/config")
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2022-09-15 22:32:11 +00:00
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async def get_ui_config(
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2023-10-20 11:12:53 +00:00
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cfg: Config = Depends(get_config),
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2022-09-15 22:32:11 +00:00
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) -> ImageUIConfig:
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return cfg.image
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