Class: ValidateCard

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

Class Method Summary collapse

Class Method Details

.brand_name(number) ⇒ Object 



31
32
33
 
# File 'lib/credit_card_validator.rb', line 31

def self.brand_name(number)
  CreditCardValidator::CreditCardBrandName.verify_card_brand(number)
end

.card_number_validate(card_number) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/credit_card_validator.rb', line 5

def self.card_number_validate(card_number)
  card_number = card_number.to_s.split('')
  card_number.each_with_index.map do |value, index|
    card_number[index] = value.to_i #Change to integer
  end
  card_digit = card_number[-1] 
  card_number.pop() # Remove digit from calculation to start counting (index 1 instead 0)
  card_number = card_number.reverse()
  card_number.each_with_index.map do |value, index|
    if index.even?
      value = value * 2
      card_number[index] = value 
    end
    if value > 9
      value = value - 9
      card_number[index] = value 
    end
  end
  total = (card_number.sum()) + card_digit
  result = total.modulo(10)
  if result == 0
    return true
  end
  return false
end