discourse/app/models/locale_site_setting.rb

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require_dependency 'enum_site_setting'
class LocaleSiteSetting < EnumSiteSetting
def self.valid_value?(val)
supported_locales.include?(val)
end
def self.values
supported_locales.map do |l|
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lang = language_names[l] || language_names[l[0..1]]
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{ name: lang ? lang['nativeName'] : l, value: l }
end
end
@lock = Mutex.new
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def self.language_names
return @language_names if @language_names
@lock.synchronize do
@language_names ||= YAML.load(File.read(File.join(Rails.root, 'config', 'locales', 'names.yml')))
end
end
def self.supported_locales
@lock.synchronize do
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@supported_locales ||= Dir.glob(File.join(Rails.root, 'config', 'locales', 'client.*.yml')).map { |x| x.split('.')[-2] }.sort
end
end
end