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Class: ActiveModel::Validations::ComparisonValidator

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveModel::EachValidator, ::ActiveModel::Validator
Instance Chain:
self, ResolveValue, Comparability, ::ActiveModel::EachValidator, ::ActiveModel::Validator
Inherits: ActiveModel::EachValidator
Defined in: activemodel/lib/active_model/validations/comparison.rb

Constant Summary

Comparability - Included

COMPARE_CHECKS

Class Method Summary

::ActiveModel::EachValidator - Inherited

.new

Returns a new validator instance.

::ActiveModel::Validator - Inherited

.kind

Returns the kind of the validator.
.new

Accepts options that will be made available through the options reader.

Instance Attribute Summary

::ActiveModel::EachValidator - Inherited

#attributes

::ActiveModel::Validator - Inherited

#options

Instance Method Summary

ResolveValue - Included

#resolve_value

Comparability - Included

#error_options

::ActiveModel::EachValidator - Inherited

#check_validity!

Hook method that gets called by the initializer allowing verification that the arguments supplied are valid.
#validate

Performs validation on the supplied record.
#validate_each

Override this method in subclasses with the validation logic, adding errors to the records #errors array where necessary.
#prepare_value_for_validation

::ActiveModel::Validator - Inherited

#kind

Returns the kind for this validator.
#validate

Override this method in subclasses with validation logic, adding errors to the records #errors array where necessary.

Constructor Details

This class inherits a constructor from ActiveModel::EachValidator

Instance Method Details

#check_validity!

[ GitHub ] 

  


# File 'activemodel/lib/active_model/validations/comparison.rb', line 12



def check_validity!
  unless options.keys.intersect?(COMPARE_CHECKS.keys)
    raise ArgumentError, "Expected one of :greater_than, :greater_than_or_equal_to, "\
    ":equal_to, :less_than, :less_than_or_equal_to, or :other_than option to be supplied."
  end
end


  








  

    #validate_each(record, attr_name, value)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/validations/comparison.rb', line 19



def validate_each(record, attr_name, value)
  options.slice(*COMPARE_CHECKS.keys).each do |option, raw_option_value|
    option_value = resolve_value(record, raw_option_value)

    if value.nil? || value.blank?
      return record.errors.add(attr_name, :blank, **error_options(value, option_value))
    end

    unless value.public_send(COMPARE_CHECKS[option], option_value)
      record.errors.add(attr_name, option, **error_options(value, option_value))
    end
  rescue ArgumentError => e
    record.errors.add(attr_name, e.message)
  end
end