14 lines
249 B
Ruby
14 lines
249 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
|