<?php
/*
* Copyright (c) Pickware GmbH. All rights reserved.
* This file is part of software that is released under a proprietary license.
* You must not copy, modify, distribute, make publicly available, or execute
* its contents or parts thereof without express permission by the copyright
* holder, unless otherwise permitted by law.
*/
declare(strict_types=1);
namespace Pickware\PickwareErpStarter\Stock;
use Doctrine\DBAL\Connection;
use Pickware\DalBundle\RetryableTransaction;
use Pickware\DalBundle\Sql\SqlUuid;
use Pickware\PickwareErpStarter\Warehouse\Model\WarehouseDefinition;
use Shopware\Core\Content\Product\ProductEvents;
use Shopware\Core\Defaults;
use Shopware\Core\Framework\DataAbstractionLayer\EntityWriteResult;
use Shopware\Core\Framework\DataAbstractionLayer\Event\EntityWrittenEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class WarehouseStockInitializer implements EventSubscriberInterface
{
/**
* @var Connection
*/
private $db;
public function __construct(Connection $db)
{
$this->db = $db;
}
public static function getSubscribedEvents(): array
{
return [
ProductEvents::PRODUCT_WRITTEN_EVENT => 'productWritten',
WarehouseDefinition::ENTITY_WRITTEN_EVENT => 'warehouseWritten',
];
}
public function productWritten(EntityWrittenEvent $entityWrittenEvent): void
{
$this->ensureProductWarehouseStockForProductsExist(
$this->getNewlyCreatedEntityIds($entityWrittenEvent),
);
}
public function warehouseWritten(EntityWrittenEvent $entityWrittenEvent): void
{
$this->ensureProductWarehouseStocksExist(
'warehouse.id',
$this->getNewlyCreatedEntityIds($entityWrittenEvent),
);
}
public function ensureProductWarehouseStockForProductsExist(array $productIds): void
{
$this->ensureProductWarehouseStocksExist('product.id', $productIds);
}
private function ensureProductWarehouseStocksExist(string $idFieldName, array $ids): void
{
if (count($ids) === 0) {
return;
}
// This query is a potential deadlock candidate and this is why it is wrapped in a retryable transaction
RetryableTransaction::retryable($this->db, fn() => $this->db->executeStatement(
'INSERT INTO pickware_erp_warehouse_stock (
id,
product_id,
product_version_id,
quantity,
warehouse_id,
created_at
) SELECT
' . SqlUuid::UUID_V4_GENERATION . ',
product.id,
product.version_id,
0,
warehouse.id,
NOW(3)
FROM product
CROSS JOIN pickware_erp_warehouse warehouse
WHERE ' . $idFieldName . ' IN (:ids) AND product.version_id = :liveVersionId
ON DUPLICATE KEY UPDATE pickware_erp_warehouse_stock.id = pickware_erp_warehouse_stock.id',
[
'ids' => array_map('hex2bin', $ids),
'liveVersionId' => hex2bin(Defaults::LIVE_VERSION),
],
[
'ids' => Connection::PARAM_STR_ARRAY,
],
));
}
private function getNewlyCreatedEntityIds(EntityWrittenEvent $entityWrittenEvent): array
{
if ($entityWrittenEvent->getContext()->getVersionId() !== Defaults::LIVE_VERSION) {
return [];
}
$ids = [];
foreach ($entityWrittenEvent->getWriteResults() as $writeResult) {
// $writeResult->getExistence() can be null, but we have no idea why and also not what this means.
$existence = $writeResult->getExistence();
if (($existence === null && $writeResult->getOperation() === EntityWriteResult::OPERATION_INSERT)
|| ($existence !== null && !$existence->exists())
) {
$ids[] = $writeResult->getPrimaryKey();
}
}
return $ids;
}
}