craigsheen / credit_card_validator

Simple gem to tell the type of card and if the card is valid.

CreditCardValidator

A simple credit card validator which will return the card type and validity.

Installation

Add this line to your application's Gemfile:

gem 'credit_card_validator', :git => "[e-mail]:craigsheen/credit_card_validator.git"

And then execute:

$ bundle

Or install it yourself as:

$ gem install credit_card_validator

Usage

To check a credit card number simply input pass the number to the validate method:

$ CreditCardValidator.validate(n)

Examples:

	$	CreditCardValidator.validate(4111111111111111)
	$	=> {:type=>"VISA", :number=>"4111111111111111", :valid=>"Valid"}
	$
	$ CreditCardValidator.validate(349999999999999)
	$	=> {:type=>"AMEX", :number=>"349999999999999", :valid=>"Invalid"}
	$
	$	CreditCardValidator.validate(12345)
	$	=> {:error=>"Unknown card type"}

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request