git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex

   1 defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
   2   alias Pleroma.Object
   3
   4   @behaviour Pleroma.Web.ActivityPub.MRF
   5
   6   def filter_by_summary(
   7         %{"summary" => parent_summary} = parent,
   8         %{"summary" => child_summary} = child
   9       )
  10       when not is_nil(child_summary) and child_summary == parent_summary and
  11              byte_size(child_summary) > 1 do
  12     if not String.starts_with?(child_summary, "re:") do
  13       Map.put(child, "summary", "re: " <> child_summary)
  14     else
  15       child
  16     end
  17   end
  18
  19   def filter_by_summary(parent, child), do: child
  20
  21   def filter(%{"type" => activity_type} = object) when activity_type == "Create" do
  22     child = object["object"]
  23     in_reply_to = Object.normalize(child["inReplyTo"])
  24
  25     child =
  26       if(in_reply_to,
  27         do: filter_by_summary(in_reply_to.data, child),
  28         else: child
  29       )
  30
  31     object = Map.put(object, "object", child)
  32
  33     {:ok, object}
  34   end
  35
  36   def filter(object), do: {:ok, object}
  37 end