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

   1 defmodule Pleroma.Web.RichMedia.Parser do
   2   @parsers [Pleroma.Web.RichMedia.Parsers.OGP]
   3
   4   def parse(url) do
   5     Cachex.fetch!(:rich_media_cache, url, fn _ ->
   6       {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url)
   7
   8       result = html |> maybe_parse() |> get_parsed_data()
   9
  10       {:commit, result}
  11     end)
  12   end
  13
  14   defp maybe_parse(html) do
  15     Enum.reduce_while(@parsers, %{}, fn parser, acc ->
  16       case parser.parse(html, acc) do
  17         {:ok, data} -> {:halt, data}
  18         {:error, _msg} -> {:cont, acc}
  19       end
  20     end)
  21   end
  22
  23   defp get_parsed_data(data) when data == %{} do
  24     {:error, "No metadata found"}
  25   end
  26
  27   defp get_parsed_data(data) do
  28     {:ok, data}
  29   end
  30 end