/**
* Initialize coupon
*
* @return \Magento\Framework\Controller\Result\Redirect
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
public function execute()
{
$couponCode = $this->getRequest()->getParam('remove') == 1 ? '' : trim($this->getRequest()->getParam('coupon_code'));
$cartQuote = $this->cart->getQuote();
$oldCouponCode = $cartQuote->getCouponCode();
$codeLength = strlen($couponCode);
if (!$codeLength && !strlen($oldCouponCode)) {
return $this->_goBack();
}
try {
$isCodeLengthValid = $codeLength && $codeLength <= \Magento\Checkout\Helper\Cart::COUPON_CODE_MAX_LENGTH;
$itemsCount = $cartQuote->getItemsCount();
if ($itemsCount) {
$cartQuote->getShippingAddress()->setCollectShippingRates(true);
$cartQuote->setCouponCode($isCodeLengthValid ? $couponCode : '')->collectTotals();
$this->quoteRepository->save($cartQuote);
}
if ($codeLength) {
$escaper = $this->_objectManager->get('Magento\\Framework\\Escaper');
if (!$itemsCount) {
if ($isCodeLengthValid) {
$coupon = $this->couponFactory->create();
$coupon->load($couponCode, 'code');
if ($coupon->getId()) {
$this->_checkoutSession->getQuote()->setCouponCode($couponCode)->save();
$this->messageManager->addSuccess(__('You used coupon code "%1".', $escaper->escapeHtml($couponCode)));
} else {
$this->messageManager->addError(__('The coupon code "%1" is not valid.', $escaper->escapeHtml($couponCode)));
}
} else {
$this->messageManager->addError(__('The coupon code "%1" is not valid.', $escaper->escapeHtml($couponCode)));
}
} else {
if ($isCodeLengthValid && $couponCode == $cartQuote->getCouponCode()) {
$this->messageManager->addSuccess(__('You used coupon code "%1".', $escaper->escapeHtml($couponCode)));
} else {
$this->messageManager->addError(__('The coupon code "%1" is not valid.', $escaper->escapeHtml($couponCode)));
$this->cart->save();
}
}
} else {
$this->messageManager->addSuccess(__('You canceled the coupon code.'));
}
} catch (\Magento\Framework\Exception\LocalizedException $e) {
$this->messageManager->addError($e->getMessage());
} catch (\Exception $e) {
$this->messageManager->addError(__('We cannot apply the coupon code.'));
$this->_objectManager->get('Psr\\Log\\LoggerInterface')->critical($e);
}
return $this->_goBack();
}
/**
* Generate Coupons Pool
*
* @throws \Magento\Framework\Exception\LocalizedException
* @return $this
*/
public function generatePool()
{
$this->generatedCount = 0;
$size = $this->getQty();
$maxAttempts = $this->getMaxAttempts() ? $this->getMaxAttempts() : self::MAX_GENERATE_ATTEMPTS;
$this->increaseLength();
/** @var $coupon \Magento\SalesRule\Model\Coupon */
$coupon = $this->couponFactory->create();
$nowTimestamp = $this->dateTime->formatDate($this->date->gmtTimestamp());
for ($i = 0; $i < $size; $i++) {
$attempt = 0;
do {
if ($attempt >= $maxAttempts) {
throw new \Magento\Framework\Exception\LocalizedException(__('We cannot create the requested Coupon Qty. Please check your settings and try again.'));
}
$code = $this->generateCode();
++$attempt;
} while ($this->getResource()->exists($code));
$expirationDate = $this->getToDate();
if ($expirationDate instanceof \DateTime) {
$expirationDate = $expirationDate->format('Y-m-d H:i:s');
}
$coupon->setId(null)->setRuleId($this->getRuleId())->setUsageLimit($this->getUsesPerCoupon())->setUsagePerCustomer($this->getUsesPerCustomer())->setExpirationDate($expirationDate)->setCreatedAt($nowTimestamp)->setType(\Magento\SalesRule\Helper\Coupon::COUPON_TYPE_SPECIFIC_AUTOGENERATED)->setCode($code)->save();
$this->generatedCount += 1;
}
return $this;
}
/**
* Delete coupon by coupon id.
*
* @param int $couponId
* @return bool true on success
* @throws \Magento\Framework\Exception\NoSuchEntityException
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function deleteById($couponId)
{
/** @var \Magento\SalesRule\Model\Coupon $coupon */
$coupon = $this->couponFactory->create()->load($couponId);
if (!$coupon->getCouponId()) {
throw new \Magento\Framework\Exception\NoSuchEntityException();
}
$this->resourceModel->delete($coupon);
return true;
}
/**
* Generates the coupon code based on the code id.
*
* @return bool
*/
public function generateCoupon()
{
$params = $this->getRequest()->getParams();
//check for param code and id
if (!isset($params['id']) || !isset($params['code'])) {
$this->helper->log('Coupon no id or code is set');
return false;
}
//coupon rule id
$couponCodeId = $params['id'];
if ($couponCodeId) {
$rule = $this->ruleFactory->create()->load($couponCodeId);
$generator = $this->massGeneratorFactory->create();
$generator->setFormat(\Magento\SalesRule\Helper\Coupon::COUPON_FORMAT_ALPHANUMERIC);
$generator->setRuleId($couponCodeId);
$generator->setUsesPerCoupon(1);
$generator->setDash(3);
$generator->setLength(9);
$generator->setPrefix('DOT-');
$generator->setSuffix('');
//set the generation settings
$rule->setCouponCodeGenerator($generator);
$rule->setCouponType(\Magento\SalesRule\Model\Rule::COUPON_TYPE_AUTO);
//generate the coupon
$coupon = $rule->acquireCoupon();
$couponCode = $coupon->getCode();
//save the type of coupon
/** @var \Magento\SalesRule\Model\Coupon $couponModel */
$couponModel = $this->couponFactory->create()->loadByCode($couponCode);
$couponModel->setType(\Magento\SalesRule\Model\Rule::COUPON_TYPE_NO_COUPON)->setGeneratedByDotmailer(1);
if (is_numeric($params['expire_days'])) {
$expireDate = $this->_localeDate->date()->add(new \DateInterval(sprintf('P%sD', $params['expire_days'])));
$couponModel->setExpirationDate($expireDate);
} elseif ($rule->getToDate()) {
$couponModel->setExpirationDate($rule->getToDate());
}
$this->coupon->save($couponModel);
return $couponCode;
}
return false;
}
/**
* Generate Coupons Pool
*
* @throws \Magento\Framework\Model\Exception
* @return $this
*/
public function generatePool()
{
$this->_generatedCount = 0;
$size = $this->getQty();
$maxProbability = $this->getMaxProbability() ? $this->getMaxProbability() : self::MAX_PROBABILITY_OF_GUESSING;
$maxAttempts = $this->getMaxAttempts() ? $this->getMaxAttempts() : self::MAX_GENERATE_ATTEMPTS;
/** @var $coupon \Magento\SalesRule\Model\Coupon */
$coupon = $this->_couponFactory->create();
$chars = count($this->_salesRuleCoupon->getCharset($this->getFormat()));
$length = (int) $this->getLength();
$maxCodes = pow($chars, $length);
$probability = $size / $maxCodes;
//increase the length of Code if probability is low
if ($probability > $maxProbability) {
do {
$length++;
$maxCodes = pow($chars, $length);
$probability = $size / $maxCodes;
} while ($probability > $maxProbability);
$this->setLength($length);
}
$now = $this->dateTime->formatDate($this->_date->gmtTimestamp());
for ($i = 0; $i < $size; $i++) {
$attempt = 0;
do {
if ($attempt >= $maxAttempts) {
throw new \Magento\Framework\Model\Exception(__('We cannot create the requested Coupon Qty. Please check your settings and try again.'));
}
$code = $this->generateCode();
$attempt++;
} while ($this->getResource()->exists($code));
$expirationDate = $this->getToDate();
if ($expirationDate instanceof \Zend_Date) {
$expirationDate = $expirationDate->toString(\Magento\Framework\Stdlib\DateTime::DATETIME_INTERNAL_FORMAT);
}
$coupon->setId(null)->setRuleId($this->getRuleId())->setUsageLimit($this->getUsesPerCoupon())->setUsagePerCustomer($this->getUsesPerCustomer())->setExpirationDate($expirationDate)->setCreatedAt($now)->setType(\Magento\SalesRule\Helper\Coupon::COUPON_TYPE_SPECIFIC_AUTOGENERATED)->setCode($code)->save();
$this->_generatedCount++;
}
return $this;
}
/**
* Acquire coupon instance
*
* @param bool $saveNewlyCreated Whether or not to save newly created coupon
* @param int $saveAttemptCount Number of attempts to save newly created coupon
* @return \Magento\SalesRule\Model\Coupon|null
* @throws \Exception|\Magento\Framework\Exception\LocalizedException
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
public function acquireCoupon($saveNewlyCreated = true, $saveAttemptCount = 10)
{
if ($this->getCouponType() == self::COUPON_TYPE_NO_COUPON) {
return null;
}
if ($this->getCouponType() == self::COUPON_TYPE_SPECIFIC) {
return $this->getPrimaryCoupon();
}
/** @var \Magento\SalesRule\Model\Coupon $coupon */
$coupon = $this->_couponFactory->create();
$coupon->setRule($this)->setIsPrimary(false)->setUsageLimit($this->getUsesPerCoupon() ? $this->getUsesPerCoupon() : null)->setUsagePerCustomer($this->getUsesPerCustomer() ? $this->getUsesPerCustomer() : null)->setExpirationDate($this->getToDate());
$couponCode = self::getCouponCodeGenerator()->generateCode();
$coupon->setCode($couponCode);
$ok = false;
if (!$saveNewlyCreated) {
$ok = true;
} else {
if ($this->getId()) {
for ($attemptNum = 0; $attemptNum < $saveAttemptCount; $attemptNum++) {
try {
$coupon->save();
} catch (\Exception $e) {
if ($e instanceof \Magento\Framework\Exception\LocalizedException || $coupon->getId()) {
throw $e;
}
$coupon->setCode($couponCode . self::getCouponCodeGenerator()->getDelimiter() . sprintf('%04u', rand(0, 9999)));
continue;
}
$ok = true;
break;
}
}
}
if (!$ok) {
throw new \Magento\Framework\Exception\LocalizedException(__('Can\'t acquire coupon.'));
}
return $coupon;
}
/**
* Check if rule can be applied for specific address/quote/customer
*
* @param \Magento\SalesRule\Model\Rule $rule
* @param \Magento\Quote\Model\Quote\Address $address
* @return bool
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
public function canProcessRule($rule, $address)
{
if ($rule->hasIsValidForAddress($address) && !$address->isObjectNew()) {
return $rule->getIsValidForAddress($address);
}
/**
* check per coupon usage limit
*/
if ($rule->getCouponType() != \Magento\SalesRule\Model\Rule::COUPON_TYPE_NO_COUPON) {
$couponCode = $address->getQuote()->getCouponCode();
if (strlen($couponCode)) {
/** @var \Magento\SalesRule\Model\Coupon $coupon */
$coupon = $this->couponFactory->create();
$coupon->load($couponCode, 'code');
if ($coupon->getId()) {
// check entire usage limit
if ($coupon->getUsageLimit() && $coupon->getTimesUsed() >= $coupon->getUsageLimit()) {
$rule->setIsValidForAddress($address, false);
return false;
}
// check per customer usage limit
$customerId = $address->getQuote()->getCustomerId();
if ($customerId && $coupon->getUsagePerCustomer()) {
$couponUsage = $this->objectFactory->create();
$this->usageFactory->create()->loadByCustomerCoupon($couponUsage, $customerId, $coupon->getId());
if ($couponUsage->getCouponId() && $couponUsage->getTimesUsed() >= $coupon->getUsagePerCustomer()) {
$rule->setIsValidForAddress($address, false);
return false;
}
}
}
}
}
/**
* check per rule usage limit
*/
$ruleId = $rule->getId();
if ($ruleId && $rule->getUsesPerCustomer()) {
$customerId = $address->getQuote()->getCustomerId();
/** @var \Magento\SalesRule\Model\Rule\Customer $ruleCustomer */
$ruleCustomer = $this->customerFactory->create();
$ruleCustomer->loadByCustomerRule($customerId, $ruleId);
if ($ruleCustomer->getId()) {
if ($ruleCustomer->getTimesUsed() >= $rule->getUsesPerCustomer()) {
$rule->setIsValidForAddress($address, false);
return false;
}
}
}
$rule->afterLoad();
/**
* quote does not meet rule's conditions
*/
if (!$rule->validate($address)) {
$rule->setIsValidForAddress($address, false);
return false;
}
/**
* passed all validations, remember to be valid
*/
$rule->setIsValidForAddress($address, true);
return true;
}
