Class: Iz::CreditCard

Inherits:
Object
  • Object
show all
Defined in:
lib/iz/credit_card.rb

Constant Summary collapse

REGEX = 
/^(?:(4[0-9]{12}(?:[0-9]{3})?)|(5[1-5][0-9]{14})|(6(?:011|5[0-9]{2})[0-9]{12})|(3[47][0-9]{13})|(3(?:0[0-5]|[68][0-9])[0-9]{11})|((?:2131|1800|35[0-9]{3})[0-9]{11}))$/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(credit_card_number) ⇒ CreditCard

Returns a new instance of CreditCard.



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# File 'lib/iz/credit_card.rb', line 7

def initialize(credit_card_number)
  self.value = credit_card_number
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/iz/credit_card.rb', line 5

def value
  @value
end

Class Method Details

.is_credit_card?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/iz/credit_card.rb', line 15

def self.is_credit_card?(value)
  return false unless value
  value.to_s =~ REGEX
end

Instance Method Details

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/iz/credit_card.rb', line 11

def valid?
  !!Iz::CreditCard.is_credit_card?(value)
end