load background image from WebDAV

api/advent22_api/config.py

@@ -11,6 +11,7 @@ class User(BaseModel):
 
 
 class Puzzle(BaseModel):
+    background: str
     solution: str
 
 

api/advent22_api/routers/_misc.py

@@ -1,10 +1,12 @@
 import itertools
 import random
 import re
+from io import BytesIO
 from typing import Any, Self, Sequence
 
 from fastapi import Depends
-from PIL import ImageFont
+from fastapi.responses import StreamingResponse
+from PIL import Image, ImageFont
 
 from ..config import Config, get_config
 from ..dav_common import dav_file_exists, dav_get_file, dav_list_files
@@ -122,3 +124,22 @@ async def get_image(
     except RuntimeError:
         # Erstelle automatisch generiertes Bild
         return await get_auto_image(index=index, letter=letter, images=images)
+
+
+async def api_return_image(
+    img: Image.Image,
+) -> StreamingResponse:
+    """
+    Bild mit API zurückgeben
+    """
+
+    # Bilddaten in Puffer laden
+    img_buffer = BytesIO()
+    img.save(img_buffer, format="JPEG", quality=85)
+    img_buffer.seek(0)
+
+    # zurückgeben
+    return StreamingResponse(
+        content=img_buffer,
+        media_type="image/jpeg",
+    )

api/advent22_api/routers/days.py

@@ -1,12 +1,11 @@
 from datetime import date
-from io import BytesIO
 
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.responses import StreamingResponse
 
 from ..config import Config, get_config
 from ._image import AdventImage
-from ._misc import get_image, shuffle
+from ._misc import api_return_image, get_image, shuffle
 from .user import user_is_admin
 
 router = APIRouter(prefix="/days", tags=["days"])
@@ -67,12 +66,4 @@ async def get_image_for_day(
     if not (can_view or is_admin):
         raise HTTPException(status.HTTP_401_UNAUTHORIZED, "Wie unhöflich!!!")
 
-    # 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",
-    )
+    return await api_return_image(image.img)

api/advent22_api/routers/general.py

@@ -1,3 +1,25 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Depends
+from fastapi.responses import StreamingResponse
+from PIL import Image
+
+from ..config import Config, get_config
+from ..dav_common import dav_get_file
+from ._misc import api_return_image
 
 router = APIRouter(prefix="/general", tags=["general"])
+
+
+@router.get(
+    "/background",
+    response_class=StreamingResponse,
+)
+async def get_image_for_day(
+    cfg: Config = Depends(get_config),
+) -> StreamingResponse:
+    """
+    Hintergrundbild laden
+    """
+
+    return await api_return_image(
+        Image.open(await dav_get_file(f"files/{cfg.puzzle.background}"))
+    )

ui/src/components/door_map/DoorChooser.vue

@@ -11,7 +11,7 @@
       </ul>
     </div>
     <figure class="image">
-      <img src="@/assets/adventskalender.jpg" />
+      <img :src="$advent22.api_url('general/background')" />
       <ThouCanvas>
         <PreviewDoor
           v-for="(_, index) in doors"

ui/src/components/door_map/DoorPlacer.vue

@@ -9,7 +9,7 @@
       </ul>
     </div>
     <figure class="image">
-      <img src="@/assets/adventskalender.jpg" />
+      <img :src="$advent22.api_url('general/background')" />
       <RectangleCanvas
         :rectangles="rectangles"
         @draw="on_draw"