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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\ProductAlert\Model\Mailing;
use Magento\Catalog\Api\Data\ProductInterface;
use Magento\Catalog\Api\ProductRepositoryInterface;
use Magento\Catalog\Helper\Data;
use Magento\Customer\Api\CustomerRepositoryInterface;
use Magento\Customer\Api\Data\CustomerInterface;
use Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection;
use Magento\Framework\Stdlib\DateTime;
use Magento\ProductAlert\Model\Email;
use Magento\ProductAlert\Model\EmailFactory;
use Magento\ProductAlert\Model\Price;
use Magento\ProductAlert\Model\ProductSalability;
use Magento\ProductAlert\Model\ResourceModel\Stock\CollectionFactory as StockCollectionFactory;
use Magento\ProductAlert\Model\ResourceModel\Price\CollectionFactory as PriceCollectionFactory;
use Magento\ProductAlert\Model\Stock;
use Magento\Store\Api\Data\WebsiteInterface;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Store\Model\Website;
/**
* Class for mailing Product Alerts
*/
class AlertProcessor
{
public const ALERT_TYPE_STOCK = 'stock';
public const ALERT_TYPE_PRICE = 'price';
/**
* @var EmailFactory
*/
private $emailFactory;
/**
* @var PriceCollectionFactory
*/
private $priceCollectionFactory;
/**
* @var StockCollectionFactory
*/
private $stockCollectionFactory;
/**
* @var CustomerRepositoryInterface
*/
private $customerRepository;
/**
* @var ProductRepositoryInterface
*/
private $productRepository;
/**
* @var Data
*/
private $catalogData;
/**
* @var ProductSalability
*/
private $productSalability;
/**
* @var StoreManagerInterface
*/
private $storeManager;
/**
* @var ErrorEmailSender
*/
private $errorEmailSender;
/**
* @param EmailFactory $emailFactory
* @param PriceCollectionFactory $priceCollectionFactory
* @param StockCollectionFactory $stockCollectionFactory
* @param CustomerRepositoryInterface $customerRepository
* @param ProductRepositoryInterface $productRepository
* @param Data $catalogData
* @param ProductSalability $productSalability
* @param StoreManagerInterface $storeManager
* @param ErrorEmailSender $errorEmailSender
*/
public function __construct(
EmailFactory $emailFactory,
PriceCollectionFactory $priceCollectionFactory,
StockCollectionFactory $stockCollectionFactory,
CustomerRepositoryInterface $customerRepository,
ProductRepositoryInterface $productRepository,
Data $catalogData,
ProductSalability $productSalability,
StoreManagerInterface $storeManager,
ErrorEmailSender $errorEmailSender
) {
$this->emailFactory = $emailFactory;
$this->priceCollectionFactory = $priceCollectionFactory;
$this->stockCollectionFactory = $stockCollectionFactory;
$this->customerRepository = $customerRepository;
$this->productRepository = $productRepository;
$this->catalogData = $catalogData;
$this->productSalability = $productSalability;
$this->storeManager = $storeManager;
$this->errorEmailSender = $errorEmailSender;
}
/**
* Process product alerts
*
* @param string $alertType
* @param array $customerIds
* @param int $websiteId
* @throws \Exception
*/
public function process(string $alertType, array $customerIds, int $websiteId): void
{
$this->validateAlertType($alertType);
$errors = $this->processAlerts($alertType, $customerIds, $websiteId);
if (!empty($errors)) {
/** @var Website $website */
$website = $this->storeManager->getWebsite($websiteId);
$defaultStoreId = $website->getDefaultStore()->getId();
$this->errorEmailSender->execute($errors, $defaultStoreId);
}
}
/**
* Process product alerts
*
* @param string $alertType
* @param array $customerIds
* @param int $websiteId
* @return array
* @throws \Exception
*/
private function processAlerts(string $alertType, array $customerIds, int $websiteId): array
{
/** @var Email $email */
$email = $this->emailFactory->create();
$email->setType($alertType);
$email->setWebsiteId($websiteId);
$errors = [];
try {
$collection = $this->getAlertCollection($alertType, $customerIds, $websiteId);
} catch (\Exception $e) {
$errors[] = $e->getMessage();
return $errors;
}
/** @var CustomerInterface $customer */
$customer = null;
/** @var Website $website */
$website = $this->storeManager->getWebsite($websiteId);
$defaultStoreId = $website->getDefaultStore()->getId();
/** @var Price|Stock $alert */
foreach ($collection as $alert) {
try {
if ($alert->getStoreId()) {
$email->setStoreId($alert->getStoreId());
}
if ($customer === null) {
$customer = $this->customerRepository->getById($alert->getCustomerId());
} elseif ((int)$customer->getId() !== (int)$alert->getCustomerId()) {
$this->sendEmail($customer, $email);
$customer = $this->customerRepository->getById($alert->getCustomerId());
}
$product = $this->productRepository->getById($alert->getProductId(), false, $defaultStoreId);
switch ($alertType) {
case self::ALERT_TYPE_STOCK:
$this->saveStockAlert($alert, $product, $website, $email);
break;
case self::ALERT_TYPE_PRICE:
$this->savePriceAlert($alert, $product, $customer, $email);
break;
}
} catch (\Exception $e) {
$errors[] = $e->getMessage();
}
}
if ($customer !== null) {
try {
$this->sendEmail($customer, $email);
} catch (\Exception $e) {
$errors[] = $e->getMessage();
}
}
return $errors;
}
/**
* Validate Alert Type
*
* @param string $alertType
* @throws \InvalidArgumentException
*/
private function validateAlertType(string $alertType): void
{
if (!in_array($alertType, [self::ALERT_TYPE_STOCK, self::ALERT_TYPE_PRICE])) {
throw new \InvalidArgumentException('Invalid alert type');
}
}
/**
* Get alert collection
*
* @param string $alertType
* @param array $customerIds
* @param int $websiteId
* @return AbstractCollection
* @throws \InvalidArgumentException
*/
private function getAlertCollection(string $alertType, array $customerIds, int $websiteId): AbstractCollection
{
switch ($alertType) {
case self::ALERT_TYPE_STOCK:
$collection = $this->stockCollectionFactory->create();
$collection->addFieldToFilter('customer_id', ['in' => $customerIds])
->addWebsiteFilter($websiteId)
->addStatusFilter(0)
->setCustomerOrder()
->addOrder('product_id');
break;
case self::ALERT_TYPE_PRICE:
$collection = $this->priceCollectionFactory->create();
$collection->addFieldToFilter('customer_id', ['in' => $customerIds])
->addWebsiteFilter($websiteId)
->setCustomerOrder()
->addOrder('product_id');
break;
default:
throw new \InvalidArgumentException('Invalid alert type');
}
return $collection;
}
/**
* Save Price Alert
*
* @param Price $alert
* @param ProductInterface $product
* @param CustomerInterface $customer
* @param Email $email
*/
private function savePriceAlert(
Price $alert,
ProductInterface $product,
CustomerInterface $customer,
Email $email
): void {
$product->setCustomerGroupId($customer->getGroupId());
$finalPrice = $product->getFinalPrice();
if ($alert->getPrice() <= $finalPrice) {
return;
}
$product->setFinalPrice($this->catalogData->getTaxPrice($product, $finalPrice));
$product->setPrice($this->catalogData->getTaxPrice($product, $product->getPrice()));
$alert->setPrice($finalPrice);
$alert->setLastSendDate(date(DateTime::DATETIME_PHP_FORMAT));
$alert->setSendCount($alert->getSendCount() + 1);
$alert->setStatus(1);
$alert->save();
$email->addPriceProduct($product);
}
/**
* Save stock alert
*
* @param Stock $alert
* @param ProductInterface $product
* @param WebsiteInterface $website
* @param Email $email
*/
private function saveStockAlert(
Stock $alert,
ProductInterface $product,
WebsiteInterface $website,
Email $email
): void {
if (!$this->productSalability->isSalable($product, $website)) {
return;
}
$alert->setSendDate(date(DateTime::DATETIME_PHP_FORMAT));
$alert->setSendCount($alert->getSendCount() + 1);
$alert->setStatus(1);
$alert->save();
$email->addStockProduct($product);
}
/**
* Send alert email
*
* @param CustomerInterface $customer
* @param Email $email
*/
private function sendEmail(CustomerInterface $customer, Email $email): void
{
$email->setCustomerData($customer);
$email->send();
$email->clean();
}
}