frenzy/lib/frenzy/pipeline/extractor/verge.ex

58 lines
1.3 KiB
Elixir

defmodule Frenzy.Pipeline.Extractor.TheVerge do
@moduledoc """
Extractor for https://theverge.com
Handles their bizarro new layout that's a pile of unsemantic classes
"""
require Logger
alias Frenzy.Pipeline.Extractor
@behaviour Extractor
@impl Extractor
def extract(html_tree) do
image = extract_header_image(html_tree)
content =
html_tree
|> Floki.find("article#content > div:not(.duet--article--lede)")
|> Floki.filter_out(
".duet--layout--rail, .duet--article--article-pullquote, .duet--article--comments-join-the-conversation"
)
{:ok, image ++ content}
end
@spec extract_header_image(Floki.html_tree()) :: Floki.html_tree()
defp extract_header_image(html_tree) do
case Floki.find(html_tree, "article#content > .duet--article--lede figure") do
[figure | _] ->
img =
case Floki.find(figure, "img") do
[img | _] ->
[img]
_ ->
nil
end
caption =
case Floki.find(figure, ".duet--media--caption") do
[{_tag, _attrs, children} | _] ->
[{"figcaption", [], [Floki.text(children)]}]
_ ->
[]
end
if img do
[{"figure", [], img ++ caption}]
else
[]
end
_ ->
[]
end
end
end