1 defmodule Pleroma.Web.RichMedia.Parsers.MetaTagsParser do
2 def parse(html, data, prefix, error_message, key_name, value_name \\ "content") do
3 with elements = [_ | _] <- get_elements(html, key_name, prefix),
5 Enum.reduce(elements, data, fn el, acc ->
6 attributes = normalize_attributes(el, prefix, key_name, value_name)
8 Map.merge(acc, attributes)
12 _e -> {:error, error_message}
16 defp get_elements(html, key_name, prefix) do
17 html |> Floki.find("meta[#{key_name}^='#{prefix}:']")
20 defp normalize_attributes(html_node, prefix, key_name, value_name) do
21 {_tag, attributes, _children} = html_node
24 Enum.into(attributes, %{}, fn {name, value} ->
25 {name, String.trim_leading(value, "#{prefix}:")}
28 %{String.to_atom(data[key_name]) => data[value_name]}