discourse/app/models/locale_site_setting.rb

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# frozen_string_literal: true
require_dependency 'enum_site_setting'
class LocaleSiteSetting < EnumSiteSetting
def self.valid_value?(val)
supported_locales.include?(val)
end
def self.values
@values ||= supported_locales.map do |locale|
lang = language_names[locale] || language_names[locale.split("_")[0]]
{
name: lang ? lang['nativeName'] : locale,
value: locale
}
end
end
@lock = Mutex.new
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def self.language_names
return @language_names if @language_names
@lock.synchronize do
@language_names ||= begin
names = YAML.load(File.read(File.join(Rails.root, 'config', 'locales', 'names.yml')))
DiscoursePluginRegistry.locales.each do |locale, options|
if !names.key?(locale) && options[:name] && options[:nativeName]
names[locale] = { "name" => options[:name], "nativeName" => options[:nativeName] }
end
end
names
end
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end
end
def self.supported_locales
@lock.synchronize do
@supported_locales ||= begin
locales = Dir.glob(
File.join(Rails.root, 'config', 'locales', 'client.*.yml')
).map { |x| x.split('.')[-2] }
locales += DiscoursePluginRegistry.locales.keys
locales.uniq.sort
end
end
end
def self.reset!
@lock.synchronize do
@values = @language_names = @supported_locales = nil
end
end
FALLBACKS ||= {
en_US: :en
}
def self.fallback_locale(locale)
fallback_locale = FALLBACKS[locale.to_sym]
return fallback_locale if fallback_locale
plugin_locale = DiscoursePluginRegistry.locales[locale.to_s]
plugin_locale ? plugin_locale[:fallbackLocale]&.to_sym : nil
end
end