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Accept incoming action undos

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This commit is contained in:
Andrew Godwin 2022-11-15 18:36:39 -07:00
parent 20e63023bb
commit 2ef709b642
2 changed files with 23 additions and 0 deletions
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15
activities/models/post_interaction.py
View file

@ -285,3 +285,18 @@ class PostInteraction(StatorModel):
TimelineEvent.add_post_interaction(interaction.post.author, interaction)
# Force it into fanned_out as it's not ours
interaction.transition_perform(PostInteractionStates.fanned_out)
@classmethod
def handle_undo_ap(cls, data):
"""
Handles an incoming undo for a announce/like
"""
# Find it
interaction = cls.by_ap(data["object"])
# Verify the actor matches
if data["actor"] != interaction.identity.actor_uri:
raise ValueError("Actor mismatch on interaction undo")
# Delete all events that reference it
interaction.timeline_events.all().delete()
# Force it into undone_fanned_out as it's not ours
interaction.transition_perform(PostInteractionStates.undone_fanned_out)

8
users/models/inbox_message.py
View file

@ -42,6 +42,14 @@ class InboxMessageStates(StateGraph):
match instance.message_object_type:
case "follow":
await sync_to_async(Follow.handle_undo_ap)(instance.message)
case "like":
await sync_to_async(PostInteraction.handle_undo_ap)(
instance.message
)
case "announce":
await sync_to_async(PostInteraction.handle_undo_ap)(
instance.message
)
case unknown:
raise ValueError(
f"Cannot handle activity of type undo.{unknown}"