Magento 2 : Max Qty Allowed on Items Customization while update cart page

# Magento

Jayram Prajapati · 17 Oct 2022

Max Qty Allowed on Items Customization in Magento 2

In Magento 2, there are often restrictions on the maximum quantity of items a customer can purchase. However, this limit may only sometimes be suitable for some stores. To address this issue, Magento 2 allows Customization of the maximum quantity allowed on items. This feature enables store owners to set a specific limit that meets their unique requirements. In this article, we'll explore how to customize the maximum quantity allowed on items in Magento 2 and its benefits for your online store.

Why is Customization necessary for updating the cart page?

Why Customization is necessary for updating the cart page: The updated cart page plays a crucial role in customers' online shopping experience. It allows them to review and modify their selected items before checkout. However, the default settings of Magento 2 may only sometimes meet the needs and preferences of all store owners or customers.

As a result, Customization of the update cart page becomes necessary to improve its functionality and enhance customer satisfaction. In this article, we'll discuss the importance of Customization for the update cart page in Magento 2 and how it can benefit your online store.

Benefits of implementing a loyalty program for your e-commerce store: As an e-commerce store owner, have you ever considered implementing a loyalty program for your customers? A well-designed loyalty program can help you not only in retaining customers but also in increasing their lifetime value. It encourages them to make repeat purchases, engage more with your brand and refer others to your store.

Properly implementing a loyalty program can be a powerful tool to boost your online sales, improve customer experience and ultimately grow your business. This article discusses the benefits of implementing a loyalty program for your e-commerce store and how it can help you achieve your business goals.

Magento 2: Max Qty Allowed on Items Customization while updating the cart page

Here We will learn about Max Qty Allowed on Items Customization while updating the cart page.

We have to create a new module. If you still need to create one after, follow the steps described in the post.

#1: We need to register the Plugin in Magento 2.

add the following code in “etc/frontend/di.xml” of your module

xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
  <type name="Magento\Checkout\Model\Cart">
      <plugin name="interceptUpdateProductToCart" type="Namespace\Modulename\Plugin\Qtycheck"/>
  </type>
</config>

#2: Add the following code to your plugin file.

Namespace\Modulename\Plugin\Qtycheck.php

php

<?php
namespace Namespace\Modulename\Plugin;
use Magento\Framework\Message\ManagerInterface;
use Magento\Checkout\Model\Session;
use Magento\Checkout\Model\Cart;

class Qtycheck
{
   /**
    * @var ManagerInterface
    */
   protected $_messageManager;
   /**
    * @var \Magento\Quote\Model\Quote
    */
   protected $quote;
   /**
    * Plugin constructor.
    *
    * @param \Magento\Checkout\Model\Session $checkoutSession
    */
   public function __construct(
       Session $checkoutSession,
       ManagerInterface $messageManager
   ) {
       $this->quote = $checkoutSession->getQuote();
       $this->_messageManager = $messageManager;
   }
   /**
    * @param \Magento\Checkout\Model\Cart $subject
    * @param $data
    * @return array
    */
   public function beforeupdateItems(Cart $subject,$data)
   {
       $quote = $subject->getQuote();
       $matchedProductId   = 55;
       $allowedCartQty  = 2;
       foreach($data as $key => $value){
           $item = $quote->getItemById($key);
           $productId= $item->getProductId();
           $itemQty= $value['qty'];
           if($itemQty>$allowedCartQty && $matchedProductId==$productId){
               $this->_messageManager->addNoticeMessage($item->getName().' cannot be ordered in requested quantity.');
               $data[$key]['qty']=1;
           }
       }
       return [$data];
   }
}

#3: Now you need to run the dependency Setup in your console or terminal command.

php bin/magento setup:di:compile

#4: Flush the cache in your console or terminal command

php bin/magento cache:clean && bin/magento cache:flush

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Jayram Prajapati

Full Stack Developer

Jayram Prajapati brings expertise and innovation to every project he takes on. His collaborative communication style, coupled with a receptiveness to new ideas, consistently leads to successful project outcomes.

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