class MocaRlibs::GrapeValidators::OnlyAlpha

文字列が半角アルファベットのみであることをチェックする

Public Instance Methods

validate_param!(attr_name, params) click to toggle source
# File lib/moca_rlibs/grape_validators/only_alpha.rb, line 9
def validate_param!(attr_name, params)
  return if !@required && params[attr_name].blank?

  # `to_s` is for Symbol.
  parameter = params[attr_name].presence.to_s
  return if parameter.match?(/\A[a-zA-Z]*\z/)

  message = 'contain invalid characters (only alphabets)'
  raise Grape::Exceptions::Validation.new(params: [@scope.full_name(attr_name)], message: message)
end