Add support for PDF view

src/meal_manager/main.py

@@ -6,7 +6,7 @@ from functools import partial
 from typing import Annotated
 
 import starlette.status as status
-from fastapi import Depends, FastAPI, HTTPException, Request
+from fastapi import Depends, FastAPI, HTTPException, Request, Response
 from fastapi.responses import RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
@@ -21,6 +21,7 @@ from meal_manager.models import (
     Subscription,
     TeamRegistration,
 )
+from meal_manager.pdf import build_dinner_overview_pdf
 
 sqlite_file_name = "database.db"
 sqlite_url = f"sqlite:///{sqlite_file_name}"
@@ -332,3 +333,21 @@ async def delete_team_registration(
     session.delete(session.scalars(statement).one())
     session.commit()
     return RedirectResponse(url=f"/event/{event_id}", status_code=status.HTTP_302_FOUND)
+
+@app.get("/event/{event_id}/pdf")
+def get_event_attendance_pdf(event_id: int, session: SessionDep):
+
+    statement = select(Event).where(Event.id == event_id)
+    event = session.scalars(statement).one()
+
+    pdf_buffer = build_dinner_overview_pdf(event)
+
+    headers = {
+        "Content-Disposition": f"inline; filename=attendance_event_{event_id}.pdf"
+    }
+
+    return Response(
+        content=pdf_buffer.getvalue(),
+        media_type="application/pdf",
+        headers=headers
+    )