git.squeep.com Git - akkoma/blob - lib/pleroma/web/metadata.ex

   1 defmodule Pleroma.Web.Metadata do
   2   alias Phoenix.HTML
   3
   4   @parsers Pleroma.Config.get([:metadata, :providers], [])
   5   def get_cached_tags(%{activity: activity, user: user} = params) do
   6     # We don't need to use the both activity and a user since the object can't change it's content
   7     key = "#{:erlang.term_to_binary(user)}#{activity.data["id"]}"
   8
   9     Cachex.fetch!(:metadata_cache, key, fn _key ->
  10       {:commit, build_tags(params)}
  11     end)
  12   end
  13
  14   def get_cached_tags(%{user: user} = params) do
  15     # I am unsure how well ETS works with big keys
  16     key = :erlang.term_to_binary(user)
  17
  18     Cachex.fetch!(:metadata_cache, key, fn _key ->
  19       {:commit, build_tags(params)}
  20     end)
  21   end
  22
  23   def build_tags(params) do
  24     Enum.reduce(@parsers, "", fn parser, acc ->
  25       rendered_html =
  26         params
  27         |> parser.build_tags()
  28         |> Enum.map(&to_tag/1)
  29         |> Enum.map(&HTML.safe_to_string/1)
  30         |> Enum.join()
  31
  32       acc <> rendered_html
  33     end)
  34   end
  35
  36   def to_tag(data) do
  37     with {name, attrs, _content = []} <- data do
  38       HTML.Tag.tag(name, attrs)
  39     else
  40       {name, attrs, content} ->
  41         HTML.Tag.content_tag(name, content, attrs)
  42
  43       _ ->
  44         raise ArgumentError, message: "make_tag invalid args"
  45     end
  46   end
  47 end