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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\ProductAlert\Model;
use Magento\Framework\App\Config\ScopeConfigInterface;
use Magento\Framework\DB\Select;
use Magento\ProductAlert\Model\Mailing\AlertProcessor;
use Magento\ProductAlert\Model\Mailing\Publisher;
use Magento\ProductAlert\Model\ResourceModel\Stock\CollectionFactory as StockCollectionFactory;
use Magento\ProductAlert\Model\ResourceModel\Price\CollectionFactory as PriceCollectionFactory;
use Magento\Store\Model\ScopeInterface;
use Magento\Store\Model\StoreManagerInterface;
/**
* Product Alert observer
*/
class Observer
{
/**
* Error email template configuration
*
* @deprecated
* @see \Magento\ProductAlert\Model\Mailing\ErrorEmailSender::XML_PATH_ERROR_TEMPLATE
*/
const XML_PATH_ERROR_TEMPLATE = 'catalog/productalert_cron/error_email_template';
/**
* Error email identity configuration
*
* @deprecated
* @see \Magento\ProductAlert\Model\Mailing\ErrorEmailSender::XML_PATH_ERROR_IDENTITY
*/
const XML_PATH_ERROR_IDENTITY = 'catalog/productalert_cron/error_email_identity';
/**
* 'Send error emails to' configuration
*
* @deprecated
* @see \Magento\ProductAlert\Model\Mailing\ErrorEmailSender::XML_PATH_ERROR_RECIPIENT
*/
const XML_PATH_ERROR_RECIPIENT = 'catalog/productalert_cron/error_email';
/**
* Allow price alert
*
*/
const XML_PATH_PRICE_ALLOW = 'catalog/productalert/allow_price';
/**
* Allow stock alert
*
*/
const XML_PATH_STOCK_ALLOW = 'catalog/productalert/allow_stock';
/**
* Core store config
*
* @var ScopeConfigInterface
*/
private $scopeConfig;
/**
* @var StoreManagerInterface
*/
private $storeManager;
/**
* @var PriceCollectionFactory
*/
private $priceCollectionFactory;
/**
* @var StockCollectionFactory
*/
private $stockCollectionFactory;
/**
* @var Publisher
*/
private $publisher;
/**
* @param ScopeConfigInterface $scopeConfig
* @param StoreManagerInterface $storeManager
* @param PriceCollectionFactory $priceCollectionFactory
* @param StockCollectionFactory $stockCollectionFactory
* @param Publisher $publisher
*/
public function __construct(
ScopeConfigInterface $scopeConfig,
StoreManagerInterface $storeManager,
PriceCollectionFactory $priceCollectionFactory,
StockCollectionFactory $stockCollectionFactory,
Publisher $publisher
) {
$this->scopeConfig = $scopeConfig;
$this->storeManager = $storeManager;
$this->publisher = $publisher;
$this->priceCollectionFactory = $priceCollectionFactory;
$this->stockCollectionFactory = $stockCollectionFactory;
}
/**
* Process product alerts
*/
public function process(): void
{
$alertTypes = [AlertProcessor::ALERT_TYPE_PRICE, AlertProcessor::ALERT_TYPE_STOCK];
foreach ($alertTypes as $alertType) {
foreach ($this->storeManager->getWebsites() as $website) {
if (!$website->getDefaultGroup() || !$website->getDefaultGroup()->getDefaultStore()) {
continue;
}
$storeId = $website->getDefaultGroup()->getDefaultStore()->getId();
$allowConfigPath = $alertType === AlertProcessor::ALERT_TYPE_PRICE
? self::XML_PATH_PRICE_ALLOW : self::XML_PATH_STOCK_ALLOW;
if (!$this->scopeConfig->getValue($allowConfigPath, ScopeInterface::SCOPE_STORE, $storeId)) {
continue;
}
$customerIds = $this->loadCustomerIds($alertType, (int)$website->getId());
if (!empty($customerIds)) {
$this->publisher->execute($alertType, $customerIds, (int)$website->getId());
}
}
}
}
/**
* Load alert customers
*
* @param string $alertType
* @param int $websiteId
* @return array
*/
private function loadCustomerIds(string $alertType, int $websiteId): array
{
switch ($alertType) {
case AlertProcessor::ALERT_TYPE_PRICE:
$alertCollection = $this->priceCollectionFactory->create();
break;
case AlertProcessor::ALERT_TYPE_STOCK:
$alertCollection = $this->stockCollectionFactory->create();
break;
default:
return [];
}
$select = $alertCollection->getSelect();
$select->reset(Select::COLUMNS);
$select->columns('customer_id')
->group('customer_id');
$select->where('website_id = ?', $websiteId);
if ($alertType === AlertProcessor::ALERT_TYPE_STOCK) {
$select->where('status = ?', 0);
}
return $alertCollection->getConnection()->fetchCol($select);
}
}