discourse/lib/validators/username_setting_validator.rb

14 lines
251 B
Ruby

class UsernameSettingValidator
def initialize(opts = {})
@opts = opts
end
def valid_value?(val)
!val.present? || User.where(username: val).exists?
end
def error_message
I18n.t('site_settings.errors.invalid_username')
end
end