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takahe/api/views/notifications.py
2022-12-12 11:56:49 -07:00

57 lines
2.1 KiB
Python

from activities.models import Post, PostInteraction, TimelineEvent
from api import schemas
from api.decorators import identity_required
from api.views.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_post = Post.objects.get(pk=max_id)
events = events.filter(created__lt=anchor_post.created)
if since_id:
anchor_post = Post.objects.get(pk=since_id)
events = events.filter(created__gt=anchor_post.created)
if min_id:
# Min ID requires LIMIT events _immediately_ newer than specified, so we
# invert the ordering to accomodate
anchor_post = Post.objects.get(pk=min_id)
events = events.filter(created__gt=anchor_post.created).order_by("created")
events = list(events[:limit])
interactions = PostInteraction.get_event_interactions(events, request.identity)
return [
event.to_mastodon_notification_json(interactions=interactions)
for event in events
]