class SubsetValidator
Constants
- ERROR_MESSAGE
Public Instance Methods
check_validity!()
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# File lib/active_subset_validator/subset_validator.rb, line 5 def check_validity! if options[:of].respond_to?(:call) return elsif options[:of].is_a?(Array) || options[:of].is_a?(Set) unless ActiveSubsetValidator.is_a_set? options[:of] raise ArgumentError, ERROR_MESSAGE end else raise ArgumentError, ERROR_MESSAGE end end
validate_each(record, attribute, value)
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# File lib/active_subset_validator/subset_validator.rb, line 17 def validate_each(record, attribute, value) message = options[:message] ? options[:message] : "is not a subset of the list" allow_nil = options[:allow_nil] === false ? false : true if options[:of].respond_to?(:call) superset = options[:of].call(record) unless ActiveSubsetValidator.is_a_set? superset raise ArgumentError, ERROR_MESSAGE end else superset = options[:of] end if value.nil? unless allow_nil record.errors[attribute] << "cannot be nil" end else unless ActiveSubsetValidator.set_difference(value, superset).empty? record.errors[attribute] << message end end end