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I have a custom functionality for add to cart in product detail page.

Once button clicked, sending product id and adding product to the cart.

Used below code to implement it.

<input type="hidden" id="product-id" value="2" />
<button id="add-btn" >Add Item</button>
 <script>
  require(['jquery', 'jquery/ui'], function($) {
        $(document).ready(function($) {
         $('#add-btn').click(function(){
          var product_id = jQuery('#product-id').val();
            var additemUrl = "<?php echo $this->getUrl().'product/addproduct/additems' ?>";
                jQuery.ajax({
                     url: additemUrl,
                     type: "POST",
                     data : 'product_id='+product_id,
                     dataType: 'json',
                     showLoader: true,
                }).done(function(result) {                          
                        if(result.status == 'success'){
                        alert('success');
                        }else{
                            alert('error');
                        }                         

                }); 
        });
   });
  });
 </script>.

here is the code of my controller file.

Vendor\Product\Controller\AddProduct\AddItems.php

<?php

 namespace Vendor\Product\Controller\AddProduct;
 use Magento\Framework\Controller\ResultFactory;
 use Magento\Framework\App\Action\Action;
 use Magento\Framework\App\Action\Context;
 class AddItems extends \Magento\Framework\App\Action\Action
 {
  protected $formKey;   
  protected $cart;
  protected $product;
   public function __construct(
    \Magento\Framework\App\Action\Context $context,
    \Magento\Framework\Data\Form\FormKey $formKey,
    \Magento\Checkout\Model\Cart $cart,
    \Magento\Catalog\Model\ProductFactory $product,
     array $data = []
    ) {
     $this->formKey = $formKey;
     $this->cart = $cart;
     $this->product = $product; 
     }

  public function execute()
  {         
    $product_id = $this->getRequest()->getPost('product_id');
    $_product = $this->product->create()->load($product_id);
    $params = array(
                'form_key' => $this->formKey->getFormKey(),
                'product_id' => $product_id, //product Id
                'qty'   => 1 //quantity of product                
            );     
    if($_product){
      $this->cart->addProduct($_product, $params);   
     $status = 'success'; 
     }else{
        $status = 0;
    } 
    $resultJson = $this->resultFactory->create(ResultFactory::TYPE_JSON);
    $resultJson->setData($result);
    return $resultJson;
    }
  }

The above code working fine and product added to the cart successfully.

I need to check some conditions once the button is clicked for some validations.

So i created afterAddtocart Plugin like below.

Module/etc/frontend/di.xml

<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="interceptAddingProductToCart" 
    type="Vendor\Module\Plugin\Cart" sortOrder="10" disabled="false" />
</type>

then Module/Plugin/Cart.php

namespace Vendor\Module\Plugin;
class Cart
{
protected $request;
/**
 * Plugin constructor.
 *
 * @param \Magento\Checkout\Model\Session $checkoutSession
 */
public function __construct(
    \Magento\Framework\App\Request\Http $request 
) {
     $this->request = $request;   
}
 public function afterAddProduct($subject,$result)  
 {
    $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
   $objectManager->get('Psr\Log\LoggerInterface')->info('test');        
    // I am looking for code how to get the clicked product id here
    return $this->rulehelper->getAgeRestriction();
  }
 }

Once the button clicked now the plugin file is loading, but i need to get the product info in this plugin file.

Can anyone look into this and help me how to get the product data in the Plugin file.

Thanks

2

You are able to access the arguments passed to the original method as below:

 public function afterAddProduct($subject,$result, $product, $params)  
 {

 }

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