51 lines
1.6 KiB
Elixir
51 lines
1.6 KiB
Elixir
defmodule Mobilizon.Web.Gettext do
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@moduledoc """
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A module providing Internationalization with a gettext-based API.
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By using [Gettext](https://hexdocs.pm/gettext),
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your module gains a set of macros for translations, for example:
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import Mobilizon.Web.Gettext
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# Simple translation
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gettext "Here is the string to translate"
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# Plural translation
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ngettext "Here is the string to translate",
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"Here are the strings to translate",
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3
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# Domain-based translation
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dgettext "errors", "Here is the error message to translate"
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See the [Gettext Docs](https://hexdocs.pm/gettext) for detailed usage.
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"""
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use Gettext, otp_app: :mobilizon
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def put_locale(locale) do
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locale = determine_best_locale(locale)
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Gettext.put_locale(__MODULE__, locale)
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end
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@spec determine_best_locale(String.t()) :: String.t()
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def determine_best_locale(locale) do
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locale = String.trim(locale)
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locales = Gettext.known_locales(__MODULE__)
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default = Keyword.get(Mobilizon.Config.instance_config(), :default_language, "en") || "en"
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cond do
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# Default if nothing provided
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locale == "" -> default
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# Either it matches directly, eg: "en" => "en", "fr" => "fr"
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locale in locales -> locale
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# Either the first part matches, "fr_CA" => "fr"
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split_locale(locale) in locales -> split_locale(locale)
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# Otherwise set to default
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true -> default
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end
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end
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# Keep only the first part of the locale
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defp split_locale(locale), do: locale |> String.split("_", trim: true, parts: 2) |> hd
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end
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