takahe/api/views/notifications.py

53 lines
1.9 KiB
Python
Raw Normal View History

2022-12-11 18:22:06 +00:00
from activities.models import TimelineEvent
from .. import schemas
from ..decorators import identity_required
from .base import api_router
@api_router.get("/v1/notifications", response=list[schemas.Notification])
@identity_required
def notifications(
request,
max_id: str | None = None,
since_id: str | None = None,
min_id: str | None = None,
limit: int = 20,
account_id: str | None = None,
):
if limit > 40:
limit = 40
# Types/exclude_types use weird syntax so we have to handle them manually
base_types = {
"favourite": TimelineEvent.Types.liked,
"reblog": TimelineEvent.Types.boosted,
"mention": TimelineEvent.Types.mentioned,
"follow": TimelineEvent.Types.followed,
}
requested_types = set(request.GET.getlist("types[]"))
excluded_types = set(request.GET.getlist("exclude_types[]"))
if not requested_types:
requested_types = set(base_types.keys())
requested_types.difference_update(excluded_types)
# Use that to pull relevant events
events = (
TimelineEvent.objects.filter(
identity=request.identity,
type__in=[base_types[r] for r in requested_types],
)
.order_by("-created")
.select_related("subject_post", "subject_post__author", "subject_identity")
)
if max_id:
anchor_event = TimelineEvent.objects.get(pk=max_id)
events = events.filter(created__lt=anchor_event.created)
if since_id:
anchor_event = TimelineEvent.objects.get(pk=since_id)
events = events.filter(created__gt=anchor_event.created)
if min_id:
# Min ID requires LIMIT events _immediately_ newer than specified, so we
# invert the ordering to accomodate
anchor_event = TimelineEvent.objects.get(pk=min_id)
events = events.filter(created__gt=anchor_event.created).order_by("created")
return [event.to_mastodon_notification_json() for event in events[:limit]]