forked from AkkomaGang/akkoma
79 lines
2.3 KiB
Elixir
79 lines
2.3 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.SideEffects do
|
|
@moduledoc """
|
|
This module looks at an inserted object and executes the side effects that it
|
|
implies. For example, a `Like` activity will increase the like count on the
|
|
liked object, a `Follow` activity will add the user to the follower
|
|
collection, and so on.
|
|
"""
|
|
alias Pleroma.Notification
|
|
alias Pleroma.Object
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
|
|
def handle(object, meta \\ [])
|
|
|
|
# Tasks this handles:
|
|
# - Add like to object
|
|
# - Set up notification
|
|
def handle(%{data: %{"type" => "Like"}} = object, meta) do
|
|
{:ok, result} =
|
|
Pleroma.Repo.transaction(fn ->
|
|
liked_object = Object.get_by_ap_id(object.data["object"])
|
|
Utils.add_like_to_object(object, liked_object)
|
|
|
|
Notification.create_notifications(object)
|
|
|
|
{:ok, object, meta}
|
|
end)
|
|
|
|
result
|
|
end
|
|
|
|
# Tasks this handles:
|
|
# - Delete and unpins the create activity
|
|
# - Replace object with Tombstone
|
|
# - Set up notification
|
|
# - Reduce the user note count
|
|
# - Reduce the reply count
|
|
def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
|
|
deleted_object =
|
|
Object.normalize(deleted_object, false) || User.get_cached_by_ap_id(deleted_object)
|
|
|
|
result =
|
|
case deleted_object do
|
|
%Object{} ->
|
|
with {:ok, deleted_object, activity} <- Object.delete(deleted_object),
|
|
%User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do
|
|
User.remove_pinnned_activity(user, activity)
|
|
|
|
{:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)
|
|
|
|
if in_reply_to = deleted_object.data["inReplyTo"] do
|
|
Object.decrease_replies_count(in_reply_to)
|
|
end
|
|
|
|
ActivityPub.stream_out(object)
|
|
ActivityPub.stream_out_participations(deleted_object, user)
|
|
:ok
|
|
end
|
|
|
|
%User{} ->
|
|
with {:ok, _} <- User.delete(deleted_object) do
|
|
:ok
|
|
end
|
|
end
|
|
|
|
if result == :ok do
|
|
Notification.create_notifications(object)
|
|
{:ok, object, meta}
|
|
else
|
|
{:error, result}
|
|
end
|
|
end
|
|
|
|
# Nothing to do
|
|
def handle(object, meta) do
|
|
{:ok, object, meta}
|
|
end
|
|
end
|