defmodule Mobilizon.Web.Views.Utils do
@moduledoc """
Utils for views
"""
alias Mobilizon.Service.Metadata.Utils, as: MetadataUtils
@spec inject_tags(List.t(), String.t()) :: {:safe, String.t()}
def inject_tags(tags, locale \\ "en") do
with {:ok, index_content} <- File.read(index_file_path()) do
do_replacements(index_content, MetadataUtils.stringify_tags(tags), locale)
end
end
@spec index_file_path :: String.t()
defp index_file_path do
Path.join(Application.app_dir(:mobilizon, "priv/static"), "index.html")
end
@spec replace_meta(String.t(), String.t()) :: String.t()
# TODO: Find why it's different in dev/prod and during tests
defp replace_meta(index_content, tags) do
index_content
|> String.replace("<meta name=\"server-injected-data\" />", tags)
|> String.replace("<meta name=server-injected-data>", tags)
end
@spec do_replacements(String.t(), String.t(), String.t()) :: {:safe, String.t()}
defp do_replacements(index_content, tags, locale) do
index_content
|> replace_meta(tags)
|> String.replace("<html lang=\"en\">", "<html lang=\"#{locale}\">")
|> String.replace("<html lang=en>", "<html lang=\"#{locale}\">")
|> (&{:safe, &1}).()
end
@spec get_locale(Conn.t()) :: String.t()
def get_locale(%{private: %{cldr_locale: nil}}), do: "en"
def get_locale(%{private: %{cldr_locale: %{requested_locale_name: locale}}}), do: locale
def get_locale(_), do: "en"
end