Class: Validatable::ValidatesNumericalityOf

Inherits:
ValidationBase show all
Defined in:
lib/validatable/validations/validates_numericality_of.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Attributes inherited from ValidationBase

#after_validate, #allow_blank, #allow_nil, #attribute, #if, #klass

Instance Method Summary collapse

Methods inherited from ValidationBase

#initialize, #validate

Constructor Details

This class inherits a constructor from Validatable::ValidationBase

Instance Attribute Details

#only_integer ⇒ Object

Returns the value of attribute only_integer.



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# File 'lib/validatable/validations/validates_numericality_of.rb', line 3

def only_integer
  @only_integer
end

Instance Method Details

#message(instance) ⇒ Object 



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# File 'lib/validatable/validations/validates_numericality_of.rb', line 15

def message(instance)
  super || "must be a number"
end

#valid?(instance) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validatable/validations/validates_numericality_of.rb', line 5

def valid?(instance)
  value = value_for(instance)
  return true if allow_nil && value.nil?
  return true if allow_blank && (!value or (value.respond_to?(:empty?) and value.empty?))

  value = value.to_s
  regex = self.only_integer ? /\A[+-]?\d+\Z/ : /^\d*\.{0,1}\d+$/
  not (value =~ regex).nil?
end