Sha256: ba65ea0542ec88e8b9f4d03c26f9f6a87cf9cd63d7d6dffedb0db9f192c3e5ae
Contents?: true
Size: 951 Bytes
Versions: 17
Compression:
Stored size: 951 Bytes
Contents
# Allows to check if the value of a specific attribute is not equal to
# the value of another attribute of an object.
#
# @example Validate that flight origin is not the same as its destination.
# class Flight << ActiveRecord::Base
# attr_accessor :origin, :destination
# validates :origin, inequality: { to: :destination }
# end
class InequalityValidator < ActiveModel::EachValidator
# Checks if an attribute value is unequal to another attrubute value.
#
# @param [Object] record object to validate
# @param [String] attribute name of the object attribute to validate
# @param [Object] value attribute value
def validate_each(record, attribute, value)
unequal_to_attr = options[:to]
if unequal_to_attr.present? && value == record.send(unequal_to_attr.to_sym)
message = options[:message] || I18n.t('errors.messages.inequality', attr: unequal_to_attr)
record.errors[attribute] << message
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems