defmodule MobilizonWeb.Gettext do @moduledoc """ A module providing Internationalization with a gettext-based API. By using [Gettext](https://hexdocs.pm/gettext), your module gains a set of macros for translations, for example: import MobilizonWeb.Gettext # Simple translation gettext "Here is the string to translate" # Plural translation ngettext "Here is the string to translate", "Here are the strings to translate", 3 # Domain-based translation dgettext "errors", "Here is the error message to translate" See the [Gettext Docs](https://hexdocs.pm/gettext) for detailed usage. """ use Gettext, otp_app: :mobilizon def put_locale(locale) do locale = determine_best_locale(locale) Gettext.put_locale(MobilizonWeb.Gettext, locale) end @spec determine_best_locale(String.t()) :: String.t() def determine_best_locale(locale) do locale = String.trim(locale) locales = Gettext.known_locales(MobilizonWeb.Gettext) cond do # Either it matches directly, eg: "en" => "en", "fr" => "fr", "fr_FR" => "fr_FR" locale in locales -> locale # Either the first part matches, "fr_CA" => "fr" split_locale(locale) in locales -> split_locale(locale) # Otherwise default to english true -> "en" end end # Keep only the first part of the locale defp split_locale(locale), do: locale |> String.split("_", trim: true, parts: 2) |> hd end