CODEWITHSUNDEEP
magentocart
Scott Bowers
Scott Bowers

Reputation: 175

Magento - remove one quantity from cart

I am trying to remove just one qty from my cart rather than all, but to no avail.

Can anybody help?

Here is the code I have got so far...

require_once 'app/Mage.php';
Mage::app("default");
Mage::getSingleton("core/session", array("name" => "frontend"));
$session = Mage::getSingleton("customer/session");

$yourProId = $_POST['prodID'];
$qty = 1;

foreach (Mage::getSingleton('checkout/session')->getQuote()->getItemsCollection() as $item) {
    if ($yourProId == $item->getProductId()) {
        Mage::getSingleton('checkout/cart')->removeItem($item->getId())->save();
    }
}

UPDATE: Here is the code that works, thanks to R.S. for this!

$yourProId = $_POST['prodID']; 
$qty=1; 

$cartHelper = Mage::helper('checkout/cart');
$items = $cartHelper->getCart()->getItems();
foreach ($items as $item) {
if ($item->getProduct()->getId() == $yourProId) {
    $qty = $item->getQty() - 1; // check if greater then 0 or set it to what you want
    if($qty == 0) {
        Mage::getSingleton('checkout/cart')->removeItem($item->getId());    
    } else {
            $item->setQty($qty);
        }
        $cartHelper->getCart()->save();
        break;
    }
}

Upvotes: 1

Views: 6020

Answers (3)

Tabraiz Malik
Tabraiz Malik

Reputation: 126

For Magento 2 you can utilize https://yourdomain.com/rest/V1/carts/mine/items API with Auth token and Body

{
   "cartItem": {
       "item_id": 49388,//item_id not SKU
       "qty": 1,        //This will overwrite quantity
       "quote_id": {{QuoteId}}
   }
}

Upvotes: 0

Kumar A.
Kumar A.

Reputation: 330

You can alter or remove qty using $quoteItem->setData('qty', $avl_qty); Please refer to code for more help.

$quoteItem = $observer->getEvent()->getQuoteItem();
$avl_qty = 1;
if ($avl_qty == '0') {
  $quoteItem->getQuote()->removeItem($quoteItem->getItemId());
  throw new LocalizedException(__("This product is currently out of stock."));                    
} 
elseif ($order_qty > $avl_qty) {                   
  $quoteItem->setData('qty', $avl_qty);
  $this->_cart->save();
  $this->messageManager->addNoticeMessage('Sorry we have only '.$avl_qty.' qty of this product available');                    
} 
else {                   
}

Upvotes: 0

MagePal Extensions
MagePal Extensions

Reputation: 17656

Try 

$cartHelper = Mage::helper('checkout/cart');
$items = $cartHelper->getCart()->getItems();
foreach ($items as $item) {
    if ($item->getProduct()->getId() == $yourProId) {
        if( $item->getQty() == 1 ){
            $cartHelper->getCart()->removeItem($item->getItemId())->save();
        }
        else if($item->getQty() > 1){
            $item->setQty($item->getQty() - 1)
            $cartHelper->getCart()->save();
        }
        break;
    }
}

Take a look @ /app/code/core/Mage/Checkout/controllers/CartController.php

See http://www.magentocommerce.com/boards/viewthread/30113/

Upvotes: 4

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