Class: RealEx::Card
Instance Method Summary collapse
- #clean_name ⇒ Object
-
#passes_luhn_check? ⇒ Boolean
The luhn check is a check to see if a credit card is actually a credit card or not.
Methods included from Initializer
Instance Method Details
#clean_name ⇒ Object
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# File 'lib/real_ex/card.rb', line 19 def clean_name cardholder_name.gsub(/[^a-zA-Z0-9 ]/, '') end |
#passes_luhn_check? ⇒ Boolean
The luhn check is a check to see if a credit card is actually a credit card or not
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# File 'lib/real_ex/card.rb', line 9 def passes_luhn_check? odd = true luhn = number.to_s.gsub(/\D/,'').reverse.split('').collect { |d| d = d.to_i d *= 2 if odd = !odd d > 9 ? d - 9 : d }.inject(0) { |sum,number| sum + number } luhn % 10 == 0 end |