microblog/app/utils/custom_index_handler.py

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from typing import Any
from typing import Awaitable
from typing import Callable
from fastapi import Depends
from fastapi import Request
from fastapi.responses import JSONResponse
from app.actor import LOCAL_ACTOR
from app.config import is_activitypub_requested
from app.database import AsyncSession
from app.database import get_db_session
_Handler = Callable[[Request, AsyncSession], Awaitable[Any]]
def build_custom_index_handler(handler: _Handler) -> _Handler:
async def custom_index(
request: Request,
db_session: AsyncSession = Depends(get_db_session),
) -> Any:
# Serve the AP actor if requested
if is_activitypub_requested(request):
return JSONResponse(
LOCAL_ACTOR.ap_actor,
media_type="application/activity+json",
)
# Defer to the custom handler
return await handler(request, db_session)
return custom_index