Class: ActiveModel::Validations::ExclusionValidator

Inherits:
EachValidator show all
Defined in:
activemodel/lib/active_model/validations/exclusion.rb

Constant Summary collapse

ERROR_MESSAGE = 
"An object with the method #include? or a proc or lambda is required, " <<
"and must be supplied as the :in (or :within) option of the configuration hash"

Instance Attribute Summary

Attributes inherited from EachValidator

#attributes

Attributes inherited from ActiveModel::Validator

#options

Instance Method Summary collapse

Methods inherited from EachValidator

#initialize, #validate

Methods inherited from ActiveModel::Validator

#initialize, kind, #kind, #validate

Constructor Details

This class inherits a constructor from ActiveModel::EachValidator

Instance Method Details

#check_validity! ⇒ Object 



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# File 'activemodel/lib/active_model/validations/exclusion.rb', line 10

def check_validity!
  unless [:include?, :call].any? { |method| delimiter.respond_to?(method) }
    raise ArgumentError, ERROR_MESSAGE
  end
end

#validate_each(record, attribute, value) ⇒ Object 



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# File 'activemodel/lib/active_model/validations/exclusion.rb', line 16

def validate_each(record, attribute, value)
  exclusions = delimiter.respond_to?(:call) ? delimiter.call(record) : delimiter
  if exclusions.send(inclusion_method(exclusions), value)
    record.errors.add(attribute, :exclusion, options.except(:in, :within).merge!(:value => value))
  end
end