Add sync to grist functionality

src/meal_manager/main.py

@@ -13,6 +13,7 @@ from fastapi.templating import Jinja2Templates
 from sqlalchemy import create_engine, select
 from sqlalchemy.orm import Session
 
+from meal_manager.grist import sync_with_grist
 from meal_manager.models import (
     Base,
     Event,
@@ -295,7 +296,11 @@ async def delete_event(
 
 @app.get("/event/{event_id}")
 async def read_event(
-    request: Request, event_id: int, session: SessionDep, user: UserDep
+    request: Request,
+    event_id: int,
+    session: SessionDep,
+    user: UserDep,
+    message: str | None = None,
 ):
     statement = select(Event).where(Event.id == event_id)
     event = session.scalars(statement).one()
@@ -318,6 +323,7 @@ async def read_event(
             "households": households,
             "now": datetime.now(),
             "user": user,
+            "message": message,
         },
     )
 
@@ -423,3 +429,17 @@ def get_event_attendance_pdf(event_id: int, session: SessionDep):
     return Response(
         content=pdf_buffer.getvalue(), media_type="application/pdf", headers=headers
     )
+
+
+@app.get("/event/{event_id}/sync_with_grist")
+def sync_with_grist_route(event_id: int, session: SessionDep, user: StrictUserDep):
+
+    statement = select(Event).where(Event.id == event_id)
+    event = session.scalars(statement).one()
+
+    sync_with_grist(event)
+
+    return RedirectResponse(
+        url=f"/event/{event_id}?message=Erfolgreich%20an%20Abrechnung%20%C3%BCbertragen",
+        status_code=status.HTTP_302_FOUND,
+    )