public function testCreateCreditCard_Success()
{
$expected = new CreditCard();
$expected->setCreditCardBrand(CreditCardBrandEnum::MASTERCARD);
$expected->setCreditCardNumber("5555444433332222");
$expected->setExpMonth(12);
$expected->setExpYear(30);
$expected->setHolderName("gateway");
$expected->setSecurityCode("999");
$creditCard = CreditCardHelper::createCreditCard(" 5555 4444 3333 2222 ", " gateway ", " 12/30 ", " 999 ");
$this->assertEquals($expected, $creditCard);
$expected->setExpYear(2030);
$creditCard = CreditCardHelper::createCreditCard(" 5555 4444 3333 2222 ", " gateway ", " 12/2030 ", " 999 ");
$this->assertEquals($expected, $creditCard);
}
/**
* @param $number
* @param $name
* @param $expiry
* @param $cvc
* @return CreditCard
* @throws CreditCardError
*/
public static function createCreditCard($number, $name, $expiry, $cvc)
{
if (empty($number)) {
throw new CreditCardError("Invalid credit card number.", "number");
}
if (empty($name)) {
throw new CreditCardError("Invalid credit card holder name.", "holderName");
}
if (empty($cvc)) {
throw new CreditCardError("Invalid credit card security code.", "securityCode");
}
// Verifica se foi enviado uma barra
if (empty($expiry) || stristr($expiry, '/') === false) {
throw new CreditCardError("Invalid credit card expiration date.", "expirationDate");
}
// Separa mes e ano da data de validade do cartão
$expiryParts = explode('/', trim($expiry));
$expMonth = @trim($expiryParts[0]);
$expYear = @trim($expiryParts[1]);
// Verifica se o mês é válido
if ($expMonth < 1 || $expMonth > 12) {
throw new CreditCardError("Invalid credit card expiration month.", "expirationMonth");
}
// Verifica se o ano é válido
if (!in_array(strlen($expYear), array(2, 4))) {
throw new CreditCardError("Invalid credit card expiration year.", "expirationYear");
}
// Extrai somente números
$number = str_replace(array('-', '+'), '', filter_var($number, FILTER_SANITIZE_NUMBER_INT));
$cvc = str_replace(array('-', '+'), '', filter_var($cvc, FILTER_SANITIZE_NUMBER_INT));
// Valida número do cartão
if (strlen($number) < 10 || strlen($number) > 24) {
throw new CreditCardError("Invalid credit card number.", "number");
}
// Obtém a bandeira do cartão
$creditCardBrand = self::getBrandByNumber($number);
// Valida a bandeira
if ($creditCardBrand == null) {
throw new CreditCardError("Invalid credit card brand.", "brand");
}
// Sanitiza o nome
$name = filter_var(trim($name), FILTER_SANITIZE_STRING);
// Cria um objeto de cartão de crédito
$creditCard = new CreditCard();
$creditCard->setCreditCardBrand($creditCardBrand);
$creditCard->setHolderName($name);
$creditCard->setCreditCardNumber($number);
$creditCard->setExpMonth($expMonth);
$creditCard->setExpYear($expYear);
$creditCard->setSecurityCode($cvc);
// Devolve o cartão
return $creditCard;
}