akkoma/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
2018-12-06 11:37:29 +00:00

37 lines
979 B
Elixir

defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
alias Pleroma.Object
@behaviour Pleroma.Web.ActivityPub.MRF
def filter_by_summary(
%{"summary" => parent_summary} = parent,
%{"summary" => child_summary} = child
)
when not is_nil(child_summary) and child_summary == parent_summary and
byte_size(child_summary) > 1 do
if not String.starts_with?(child_summary, "re:") do
Map.put(child, "summary", "re: " <> child_summary)
else
child
end
end
def filter_by_summary(parent, child), do: child
def filter(%{"type" => activity_type} = object) when activity_type == "Create" do
child = object["object"]
in_reply_to = Object.normalize(child["inReplyTo"])
child =
if(in_reply_to,
do: filter_by_summary(in_reply_to.data, child),
else: child
)
object = Map.put(object, "object", child)
{:ok, object}
end
def filter(object), do: {:ok, object}
end