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     {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url)
   6
   7     html |> maybe_parse() |> get_parsed_data()
   8   end
   9
  10   defp maybe_parse(html) do
  11     Enum.reduce_while(@parsers, %{}, fn parser, acc ->
  12       case parser.parse(html, acc) do
  13         {:ok, data} -> {:halt, data}
  14         {:error, _msg} -> {:cont, acc}
  15       end
  16     end)
  17   end
  18
  19   defp get_parsed_data(data) when data == %{} do
  20     {:error, "No metadata found"}
  21   end
  22
  23   defp get_parsed_data(data) do
  24     {:ok, data}
  25   end
  26 end