Class: DataMapper::Validations::AbsenceValidator

Inherits:
GenericValidator show all
Defined in:
lib/dm-validations/validators/absent_field_validator.rb

Overview

Author:

  • Guy van den Berg

Since:

  • 0.9

Instance Attribute Summary

Attributes inherited from GenericValidator

#field_name, #humanized_field_name, #if_clause, #options, #unless_clause

Instance Method Summary collapse

Methods inherited from GenericValidator

#==, #add_error, #evaluate_conditional_clause, #execute?, #initialize, #inspect, #optional?, #set_optional_by_default

Constructor Details

This class inherits a constructor from DataMapper::Validations::GenericValidator

Instance Method Details

#call(target) ⇒ Object

Since:

  • 0.9



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# File 'lib/dm-validations/validators/absent_field_validator.rb', line 8

def call(target)
  value = target.validation_property_value(field_name)
  return true if DataMapper::Ext.blank?(value)

  error_message = (
    self.options[:message] || ValidationErrors.default_error_message(
      :absent, field_name
    )
  )

  add_error(target, error_message, field_name)
  false
end