From be9abb2cc5fc219ca49ac6b32afed3eac323bf7a Mon Sep 17 00:00:00 2001 From: William Pitcock Date: Sat, 26 Jan 2019 14:55:12 +0000 Subject: [PATCH] html: add utility function to extract first URL from an object and cache the result --- lib/pleroma/html.ex | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex index f5c6e5033..fb602d6b6 100644 --- a/lib/pleroma/html.ex +++ b/lib/pleroma/html.ex @@ -58,6 +58,20 @@ defmodule Pleroma.HTML do "#{signature}#{to_string(scrubber)}" end) end + + def extract_first_external_url(object, content) do + key = "URL|#{object.id}" + + Cachex.fetch!(:scrubber_cache, key, fn _key -> + result = + content + |> Floki.filter_out("a.mention") + |> Floki.attribute("a", "href") + |> Enum.at(0) + + {:commit, result} + end) + end end defmodule Pleroma.HTML.Scrubber.TwitterText do