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Fix tests and most of pagination

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This commit is contained in:
Andrew Godwin 2023-01-08 23:06:09 -07:00
parent 91116fe6f8
commit fb881dd5de
7 changed files with 65 additions and 60 deletions
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84
api/pagination.py
View file

@ -117,36 +117,17 @@ class PaginationResult:
class MastodonPaginator:
"""
Paginates in the Mastodon style (max_id, min_id, etc).
Note that this basically _requires_ us to always do it on IDs, so we do.
"""
def __init__(
self,
anchor_model: type[models.Model],
sort_attribute: str = "created",
default_limit: int = 20,
max_limit: int = 40,
):
self.anchor_model = anchor_model
self.sort_attribute = sort_attribute
self.default_limit = default_limit
self.max_limit = max_limit
def get_anchor(self, anchor_id: str):
"""
Gets an anchor object by ID.
It's possible that the anchor object might be an interaction, in which
case we recurse down to its post.
"""
if anchor_id.startswith("interaction-"):
try:
return PostInteraction.objects.get(pk=anchor_id[12:])
except PostInteraction.DoesNotExist:
return None
try:
return self.anchor_model.objects.get(pk=anchor_id)
except self.anchor_model.DoesNotExist:
return None
def paginate(
self,
queryset,
@ -156,32 +137,57 @@ class MastodonPaginator:
limit: int | None,
) -> PaginationResult:
if max_id:
anchor = self.get_anchor(max_id)
if anchor is None:
return PaginationResult.empty()
queryset = queryset.filter(
**{self.sort_attribute + "__lt": getattr(anchor, self.sort_attribute)}
)
queryset = queryset.filter(id__lt=max_id)
if since_id:
anchor = self.get_anchor(since_id)
if anchor is None:
return PaginationResult.empty()
queryset = queryset.filter(
**{self.sort_attribute + "__gt": getattr(anchor, self.sort_attribute)}
)
queryset = queryset.filter(id__gt=since_id)
if min_id:
# Min ID requires items _immediately_ newer than specified, so we
# invert the ordering to accommodate
anchor = self.get_anchor(min_id)
if anchor is None:
return PaginationResult.empty()
queryset = queryset.filter(
**{self.sort_attribute + "__gt": getattr(anchor, self.sort_attribute)}
).order_by(self.sort_attribute)
queryset = queryset.filter(id__gt=min_id).order_by("id")
else:
queryset = queryset.order_by("-" + self.sort_attribute)
queryset = queryset.order_by("-id")
limit = min(limit or self.default_limit, self.max_limit)
return PaginationResult(
results=list(queryset[:limit]),
limit=limit,
)
def paginate_home(
self,
queryset,
min_id: str | None,
max_id: str | None,
since_id: str | None,
limit: int | None,
) -> PaginationResult:
"""
The home timeline requires special handling where we mix Posts and
PostInteractions together.
"""
if max_id:
queryset = queryset.filter(
models.Q(subject_post_id__lt=max_id)
| models.Q(subject_post_interaction_id__lt=max_id)
)
if since_id:
queryset = queryset.filter(
models.Q(subject_post_id__gt=max_id)
| models.Q(subject_post_interaction_id__gt=max_id)
)
if min_id:
# Min ID requires items _immediately_ newer than specified, so we
# invert the ordering to accommodate
queryset = queryset.filter(
models.Q(subject_post_id__gt=max_id)
| models.Q(subject_post_interaction_id__gt=max_id)
).order_by("id")
else:
queryset = queryset.order_by("-id")
limit = min(limit or self.default_limit, self.max_limit)
return PaginationResult(

5
api/views/accounts.py
View file

@ -3,7 +3,6 @@ from django.http import HttpRequest, HttpResponse, JsonResponse
from django.shortcuts import get_object_or_404
from ninja import Field
from activities.models import Post
from activities.services import SearchService
from api import schemas
from api.decorators import identity_required
@ -151,7 +150,7 @@ def account_statuses(
if tagged:
queryset = queryset.tagged_with(tagged)
# Get user posts with pagination
paginator = MastodonPaginator(Post, sort_attribute="published")
paginator = MastodonPaginator()
pager = paginator.paginate(
queryset,
min_id=min_id,
@ -219,7 +218,7 @@ def account_following(
service = IdentityService(identity)
paginator = MastodonPaginator(Identity, max_limit=80, sort_attribute="username")
paginator = MastodonPaginator(max_limit=80)
pager = paginator.paginate(
service.following(),
min_id=min_id,

2
api/views/notifications.py
View file

@ -35,7 +35,7 @@ def notifications(
queryset = TimelineService(request.identity).notifications(
[base_types[r] for r in requested_types if r in base_types]
)
paginator = MastodonPaginator(TimelineEvent)
paginator = MastodonPaginator()
pager = paginator.paginate(
queryset,
min_id=min_id,

9
api/views/statuses.py
View file

@ -16,7 +16,6 @@ from activities.services import PostService
from api import schemas
from api.views.base import api_router
from core.models import Config
from users.models import Identity
from ..decorators import identity_required
from ..pagination import MastodonPaginator
@ -142,20 +141,18 @@ def favourited_by(
# a concept of "private status" yet.
post = get_object_or_404(Post, pk=id)
paginator = MastodonPaginator(Identity, sort_attribute="published")
paginator = MastodonPaginator()
pager = paginator.paginate(
post.interactions.filter(
type=PostInteraction.Types.like,
state__in=PostInteractionStates.group_active(),
)
.select_related("identity")
.order_by("published"),
).select_related("identity"),
min_id=min_id,
max_id=max_id,
since_id=since_id,
limit=limit,
)
pager.jsonify_identities()
pager.jsonify_results(lambda r: r.identity.to_mastodon_json(include_counts=False))
if pager.results:
response.headers["Link"] = pager.link_header(

9
api/views/timelines.py
View file

@ -1,6 +1,5 @@
from django.http import HttpRequest, HttpResponse, JsonResponse
from activities.models import Post
from activities.services import TimelineService
from api import schemas
from api.decorators import identity_required
@ -20,9 +19,9 @@ def home(
limit: int = 20,
):
# Grab a paginated result set of instances
paginator = MastodonPaginator(Post, sort_attribute="published")
paginator = MastodonPaginator()
queryset = TimelineService(request.identity).home()
pager = paginator.paginate(
pager = paginator.paginate_home(
queryset,
min_id=min_id,
max_id=max_id,
@ -61,7 +60,7 @@ def public(
if only_media:
queryset = queryset.filter(attachments__id__isnull=True)
# Grab a paginated result set of instances
paginator = MastodonPaginator(Post, sort_attribute="published")
paginator = MastodonPaginator()
pager = paginator.paginate(
queryset,
min_id=min_id,
@ -101,7 +100,7 @@ def hashtag(
if only_media:
queryset = queryset.filter(attachments__id__isnull=True)
# Grab a paginated result set of instances
paginator = MastodonPaginator(Post, sort_attribute="published")
paginator = MastodonPaginator()
pager = paginator.paginate(
queryset,
min_id=min_id,

14
tests/users/views/test_activitypub.py
View file

@ -38,15 +38,18 @@ def test_webfinger_system_actor(client):
@pytest.mark.django_db
def test_delete_actor(client, identity):
def test_delete_unknown_actor(client, identity):
"""
Tests that unknown actor delete messages are dropped
"""
data = {
"@context": "https://www.w3.org/ns/activitystreams",
"actor": "https://mastodon.social/users/fakec8b6984105c8f15070a2",
"id": "https://mastodon.social/users/fakec8b6984105c8f15070a2#delete",
"object": "https://mastodon.social/users/fakec8b6984105c8f15070a2",
"actor": "https://mastodon.test/users/fakec8b6984105c8f15070a2",
"id": "https://mastodon.test/users/fakec8b6984105c8f15070a2#delete",
"object": "https://mastodon.test/users/fakec8b6984105c8f15070a2",
"signature": {
"created": "2022-12-06T03:54:28Z",
"creator": "https://mastodon.social/users/fakec8b6984105c8f15070a2#main-key",
"creator": "https://mastodon.test/users/fakec8b6984105c8f15070a2#main-key",
"signatureValue": "This value doesn't matter",
"type": "RsaSignature2017",
},
@ -56,4 +59,5 @@ def test_delete_actor(client, identity):
resp = client.post(
identity.inbox_uri, data=data, content_type="application/activity+json"
)
print(resp.content)
assert resp.status_code == 202

2
users/views/activitypub.py
View file

@ -132,7 +132,7 @@ class Inbox(View):
if (
document["type"] == "Delete"
and document["actor"] == document["object"]
and not identity.pk
and identity._state.adding
):
# We don't have an Identity record for the user. No-op
exceptions.capture_message(