private function serializeTransaction(DOMElement $element, Transaction $transaction)
{
$element->appendChild(new DOMElement("purchaseID", $transaction->getPurchaseId()));
$element->appendChild(new DOMElement("amount", number_format($transaction->getAmount(), 2, '.', '')));
$element->appendChild(new DOMElement("currency", $transaction->getCurrency()));
if ($transaction->getExpirationPeriod() === 60) {
$element->appendChild(new DOMElement("expirationPeriod", "PT1H"));
} else {
$element->appendChild(new DOMElement("expirationPeriod", "PT" . $transaction->getExpirationPeriod() . "M"));
}
$element->appendChild(new DOMElement("language", $transaction->getLanguage()));
$element->appendChild(new DOMElement("description", $transaction->getDescription()));
$element->appendChild(new DOMElement("entranceCode", $transaction->getEntranceCode()));
}
private function validateTransaction(Transaction $transaction)
{
if ($transaction->getAmount() < 0 || $transaction->getAmount() >= 1000000000000) {
throw new ValidationException("Transaction.amount outside value range.");
}
if ($transaction->getCurrency() !== "EUR") {
throw new ValidationException("Transaction.currency does not match format.");
}
if ($transaction->getExpirationPeriod() < 1 || $transaction->getExpirationPeriod() > 60) {
throw new ValidationException("Transaction.expirationPeriod length outside range('PT1M', 'PT1H').");
}
if (strlen($transaction->getLanguage()) !== 2) {
throw new ValidationException("Transaction.language length not 2.");
}
if (strlen($transaction->getDescription()) < 1 || strlen($transaction->getDescription()) > 35) {
throw new ValidationException("Transaction.description length outside range(1, 35).");
}
if (strlen($transaction->getEntranceCode()) < 1 || strlen($transaction->getEntranceCode()) > 40) {
throw new ValidationException("Transaction.entranceCode length outside range(1, 35).");
}
$length = preg_match('/[a-z]+/', $transaction->getLanguage(), $matches);
if ($length !== 1 || $matches[0] !== $transaction->getLanguage()) {
throw new ValidationException("Transaction.language does not match format.");
}
$length = preg_match('/[a-zA-Z0-9]+/', $transaction->getEntranceCode(), $matches);
if ($length !== 1 || $matches[0] !== $transaction->getEntranceCode()) {
throw new ValidationException("Transaction.entranceCode does not match format.");
}
$length = preg_match('/[a-zA-Z0-9]+/', $transaction->getPurchaseId(), $matches);
if ($length !== 1 || $matches[0] !== $transaction->getPurchaseId()) {
throw new ValidationException("Transaction.purchaseId does not match format.");
}
}