/**
* Create a unique code. If a code generated isn't unique, the method will call itself to attempt to create a new
* one. If the method cannot create a unique code in the number of times set by the LIMIT constant, an exception
* will be thrown.
*
* @throws Exception\DiscountBuildException
*
* @return string
*/
private function _getCode()
{
$code = $this->_generateCode();
if (false === $this->_loader->getByCode($code)) {
return $code;
}
$this->_codes[] = $code;
if (count($this->_codes) > self::LIMIT) {
throw new Exception\DiscountBuildException('Could not create a unique discount code in ' . self::LIMIT . ' attempts');
}
return $this->_getCode();
}
/**
* Validates a discount by it's discountCode and an order
* and returns an order-discount-object.
* Checks validity of the code, whether it is active and
* (if the discount applies to specific products) whether
* the at least one of the items in the order matches one
* of the discount's products.
*
* @param string $discountCode The code of the discount validated
*
* @throws OrderValidityException if the validation failed
*
* @return Order\Entity\Discount\Discount the order-discount-object for the given discountCode
*/
public function validate($discountCode, $adding = true)
{
$adding = (bool) $adding;
if (null === $this->_order) {
throw new \Exception('Order must be set before discount code can be validated');
}
$this->_validateNoRestrictedBundles();
$this->_validateMaxNumberDiscounts($adding);
if ($adding) {
$this->_validateAlreadyUsed($discountCode);
}
if (0 === $this->_order->items->count()) {
throw new OrderValidityException('Your basket is empty');
}
$discount = $this->_discountLoader->getByCode($discountCode);
if (!$discount) {
throw new OrderValidityException('The entered code was not recognised.');
}
if (!$discount->isActive()) {
$message = $discount->start < new \DateTime() ? 'The discount has expired.' : 'The discount is not active yet.';
throw new OrderValidityException($message);
}
// check whether discount-threshold is reached
if (0 !== count($discount->thresholds)) {
foreach ($discount->thresholds as $currencyID => $threshold) {
if ($this->_order->currencyID === $currencyID) {
if ($this->_order->productGross < $threshold) {
throw new OrderValidityException('Your order value is less than the discount threshold.');
}
}
}
}
// check whether order has at least one of the products the discount applies to
if (!$discount->appliesToOrder) {
$appliesToItem = false;
foreach ($discount->products as $product) {
foreach ($this->_order->items->all() as $item) {
if ($item->productID === $product->id) {
$appliesToItem = true;
break;
}
}
if ($appliesToItem) {
break;
}
}
if (!$appliesToItem) {
throw new OrderValidityException('Your order does not include any of the products the discount applies to.');
}
}
if (empty($discount->discountAmounts[$this->_order->currencyID]) && !$discount->percentage && !$discount->freeShipping) {
throw new OrderValidityException('Discount not available in this currency');
}
$this->_validateEmail($discount);
$this->_orderDiscountFactory->setOrder($this->_order)->setDiscount($discount);
return $this->_orderDiscountFactory->createOrderDiscount();
}