advent22/api/advent22_api/routers/days.py

136 lines
3.2 KiB
Python

import re
# from datetime import date
from io import BytesIO
from fastapi import APIRouter, Depends
from fastapi.responses import StreamingResponse
from PIL import ImageFont
from ..config import Config, get_config
from ..dav_common import dav_file_exists, dav_get_file, dav_list_files
from ._image import AdventImage
from ._misc import get_rnd, set_length, shuffle
router = APIRouter(prefix="/days", tags=["days"])
@router.on_event("startup")
async def startup() -> None:
cfg = await get_config()
print(cfg.solution)
print("".join(await shuffle(cfg.solution)))
@router.get("/letter/{index}")
async def get_letter(
index: int,
cfg: Config = Depends(get_config),
) -> str:
return (await shuffle(cfg.solution))[index]
# @router.get("/date")
# def get_date() -> int:
# return date.today().day
# @router.get(
# "/picture",
# response_class=StreamingResponse,
# )
# async def get_picture():
# img = Image.open("hand.png").convert("RGBA")
# d1 = ImageDraw.Draw(img)
# font = ImageFont.truetype("Lena.ttf", 50)
# d1.text((260, 155), "W", font=font, fill=(0, 0, 255))
# # d1.text(xy=(400, 210), text="Deine Hände auch?",
# # font=Font, fill=(255, 0, 0))
# img_buffer = BytesIO()
# img.save(img_buffer, format="PNG", quality=85)
# img_buffer.seek(0)
# return StreamingResponse(
# content=img_buffer,
# media_type="image/png",
# )
_RE_IMAGE_FILE = re.compile(
r"\.(gif|jpe?g|tiff?|png|bmp)$",
flags=re.IGNORECASE,
)
async def list_images_auto() -> list[str]:
ls = await dav_list_files(_RE_IMAGE_FILE, "/images_auto")
ls = await set_length(ls, 24)
return await shuffle(ls)
async def load_image(
file_name: str,
) -> AdventImage | None:
"""
Versuche, Bild aus Datei zu laden
"""
if not await dav_file_exists(file_name):
return None
img_buffer = await dav_get_file(file_name)
img_buffer.seek(0)
return await AdventImage.load_standard(img_buffer)
async def get_auto_image(
index: int,
letter: str = Depends(get_letter),
images: list[str] = Depends(list_images_auto),
) -> AdventImage:
image = await load_image(images[index])
assert image is not None
rnd = await get_rnd(index)
# Buchstabe verstecken
await image.hide_text(
xy=tuple(rnd.choices(range(30, 470), k=2)),
text=letter,
font=ImageFont.truetype("Lena.ttf", 50),
)
return image
@router.get(
"/picture/{index}",
response_class=StreamingResponse,
)
async def get_picture_for_day(
index: int,
) -> StreamingResponse:
"""
Bild für einen Tag erstellen
"""
# Versuche, aus "manual"-Ordner zu laden
image = await load_image(f"images_manual/{index}.jpg")
if image is None:
# Erstelle automatisch generiertes Bild
image = await get_auto_image(
index=index,
letter=await get_letter(index, await get_config()),
images=await list_images_auto()
)
# Bilddaten in Puffer laden
img_buffer = BytesIO()
image.img.save(img_buffer, format="JPEG", quality=85)
img_buffer.seek(0)
return StreamingResponse(
content=img_buffer,
media_type="image/jpeg",
)