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   1 # Pleroma: A lightweight social networking server
   2 # Copyright _ 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.RichMedia.Helpers do
   6   alias Pleroma.{Activity, Object, HTML}
   7   alias Pleroma.Web.RichMedia.Parser
   8
   9   def fetch_data_for_activity(%Activity{} = activity) do
  10     with %Object{} = object <- Object.normalize(activity.data["object"]),
  11          {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
  12          {:ok, rich_media} <- Parser.parse(page_url) do
  13       %{page_url: page_url, rich_media: rich_media}
  14     else
  15       _ -> %{}
  16     end
  17   end
  18 end