defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do alias Pleroma.Activity @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 = Activity.get_create_activity_by_object_ap_id(child["inReplyTo"]) child = if(in_reply_to, do: filter_by_summary(in_reply_to.data["object"], child), else: child ) object = Map.put(object, "object", child) {:ok, object} end def filter(object), do: {:ok, object} end