Mfrhtyj

Here is my code, where I'm calling Quote model file and getItemById function.

 public function __construct(

        MagentoQuoteModelQuote $quote

    ) {

        $this->quote = $quote;

    }



$itemId = "Quote Item ID";

$data = $this->quote->getItemById($itemId);

Above code returns FALSE - even there are 65 Quote Items are exists!

So I checked the Magento core method of getItemById in -

/vendor/magento/module-quote/Model/Quote.php

     /**

     * Retrieve item model object by item identifier

     *

     * @param   int $itemId

     * @return  MagentoQuoteModelQuoteItem|false

     */

    public function getItemById($itemId)

    {

        foreach ($this->getItemsCollection() as $item) {

            if ($item->getId() == $itemId) {

                return $item;

            }

        }



        return false;

    }

If I print the $this->getItemsCollection()->getData() then it returns the 65 Item arrays.

But As Magento passing directly the collection object $this->getItemsCollection() in foreach

So It's not going in-side the foreach loop which is expected result.

Is it a Magento bug or I am doing something wrong ?

Edited

Issue is still open for Magento Quote model file.

/vendor/magento/module-quote/Model/Quote.php

As Rohan Hapani's answer we're getting data from MagentoQuoteModelQuoteItem As for now.

But Magento's get getItemById still needs to be fixed.

/vendor/magento/module-quote/Model/Quote.php

/**

 * Retrieve item model object by item identifier

 *

 * @param   int $itemId

 * @return  MagentoQuoteModelQuoteItem|false

 */

public function getItemById($itemId)

{

    foreach ($this->getItemsCollection() as $item) {

        if ($item->getId() == $itemId) {

            return $item;

        }

    }



    return false;

}

So open for the solutions :)

Try to use this below code :

/**

 * @var MagentoQuoteModelQuoteItem

 */

protected $_itemModel;



public function __construct(

    .........

    MagentoQuoteModelQuoteItem $itemModel

    .........

)

{

    .........

    $this->_itemModel = $itemModel;

    .........

}



public function yourFunction()

{

    $itemId = "Quote Item ID";

    $this->_itemModel->load($itemId);

}

Instead of injecting MagentoQuoteModelQuote class in constructor, try injecting MagentoCheckoutModelSession and then

$quote = $this->_session->getQuote();

This assumes your code is working with a frontend active checkout session