[MCP-584] Disables Inventory check on Quote load

Author: aa-kashk

app/code/Magento/Quote/Model/Config.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Model;
+
+use Magento\Framework\App\Config\ScopeConfigInterface;
+
+/**
+ * Class Config
+ * @package Magento\Quote\Model
+ */
+class Config
+{
+    const XML_PATH_DISABLED = 'cataloginventory/item_options/disabled';
+
+    /** @var ScopeConfigInterface */
+    private $config;
+
+    /**
+     * Config constructor.
+     * @param ScopeConfigInterface $config
+     */
+    public function __construct(ScopeConfigInterface $config)
+    {
+        $this->config = $config;
+    }
+
+    /**
+     * Check if Inventory check is disabled
+     * @return bool
+     */
+    public function isDisabled(): bool
+    {
+        return (bool)$this->config->getValue(self::XML_PATH_DISABLED);
+    }
+}

app/code/Magento/Quote/Model/ResourceModel/Quote/Item/Collection.php

@@ -63,6 +63,11 @@ class Collection extends \Magento\Framework\Model\ResourceModel\Db\VersionContro
      */
     private $recollectQuote = false;
 
+    /**
+     * @var \Magento\Quote\Model\Config
+     */
+    private $config;
+
     /**
      * @param \Magento\Framework\Data\Collection\EntityFactory $entityFactory
      * @param \Psr\Log\LoggerInterface $logger
@@ -75,6 +80,7 @@ class Collection extends \Magento\Framework\Model\ResourceModel\Db\VersionContro
      * @param \Magento\Framework\DB\Adapter\AdapterInterface $connection
      * @param \Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource
      * @param \Magento\Store\Model\StoreManagerInterface|null $storeManager
+     * @param \Magento\Quote\Model\Config|null $config
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
      */
     public function __construct(
@@ -88,7 +94,8 @@ public function __construct(
         \Magento\Quote\Model\Quote\Config $quoteConfig,
         \Magento\Framework\DB\Adapter\AdapterInterface $connection = null,
         \Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource = null,
-        \Magento\Store\Model\StoreManagerInterface $storeManager = null
+        \Magento\Store\Model\StoreManagerInterface $storeManager = null,
+        \Magento\Quote\Model\Config $config = null
     ) {
         parent::__construct(
             $entityFactory,
@@ -102,6 +109,8 @@ public function __construct(
         $this->_itemOptionCollectionFactory = $itemOptionCollectionFactory;
         $this->_productCollectionFactory = $productCollectionFactory;
         $this->_quoteConfig = $quoteConfig;
+        $this->config = $config ?:
+            \Magento\Framework\App\ObjectManager::getInstance()->get(\Magento\Quote\Model\Config::class);
 
         // Backward compatibility constructor parameters
         $this->storeManager = $storeManager ?:
@@ -282,7 +291,9 @@ protected function _assignProducts(): self
             }
             if (!$item->isDeleted()) {
                 $item->setQtyOptions($qtyOptions)->setProduct($product);
-                $item->checkData();
+                if (!$this->config->isDisabled()) {
+                    $item->checkData();
+                }
             }
         }
         if ($this->recollectQuote && $this->_quote) {

app/code/Magento/Quote/Test/Unit/Model/ResourceModel/Quote/Item/ConfigTest.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Test\Unit\Model\ResourceModel\Quote\Item;
+
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Quote\Model\Config;
+use PHPUnit\Framework\TestCase;
+
+class ConfigTest extends TestCase
+{
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * @var \PHPUnit\Framework\MockObject\MockObject
+     */
+    private $configMock;
+
+    /**
+     * @inheritDoc
+     */
+    protected function setUp(): void
+    {
+        $this->configMock = $this->getMockForAbstractClass(ScopeConfigInterface::class);
+        $this->configMock->method('getValue')->willReturn('1');
+        $this->config = new Config($this->configMock);
+    }
+
+    /**
+     * @return void
+     */
+    public function testIsDisabled()
+    {
+        $this->configMock->expects($this->once())->method('getValue');
+        $this->config->isDisabled();
+    }
+}

app/code/Magento/Quote/etc/adminhtml/system.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
+    <system>
+        <section id="cataloginventory">
+            <tab>catalog</tab>
+            <group id="item_options"  translate="label comment" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
+                <field id="disabled" translate="label" type="select" sortOrder="15" showInDefault="1" canRestore="1">
+                    <label>Inventory check is Disabled</label>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                </field>
+            </group>
+        </section>
+    </system>
+</config>

app/code/Magento/Quote/etc/config.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
+    <default>
+        <cataloginventory>
+            <item_options>
+                <disabled>0</disabled>
+            </item_options>
+        </cataloginventory>
+    </default>
+</config>