Magento Cart – Change Item Options in Cart: Last Item Not Saved

cartcustom-optionsevent-observeritems

I would like to change some options of the items present in the cart.

On the checkout_cart_add_product_complete.

I launch the following function:

 public function TreatShipConflicts($observer)
 {
    //Analyse du nouveau produit ajouté au panier

    $_cart = Mage::getModel('checkout/cart')->getQuote();
    $_items = $_cart->getAllItems(); 

    foreach ($_items as $_item) {

        $_options = $_item->getProduct()->getTypeInstance(true)->getOrderOptions($_item->getProduct());
        $Flag = 0;
        $optionid = 0;
        Mage::log("CART to be changed");
        foreach($_options["options"] as $_option) 
        {
            if ($_option['label'] == 'ShipMth')
            {
                $Flag = 1;
                $optionid = $_option['option_id'];
            }       
        }    
        Mage::log($optionid);
        if ($Flag == 1) {

        $optionnb = "option_".$optionid;

        $item22 = Mage::getSingleton('checkout/session')->getQuote()->getItemById($_item->getId());
        $options = $item22->getOptions();       

        foreach ($options as $option) {
            switch (true) {
                case ($option->getCode() == 'info_buyrequest') :
                    $unserialized = unserialize($option->getValue());
                    $unserialized['options'][$optionid] = 'TNT';
                    $option->setValue(serialize($unserialized));
                    break;
                case ($option->getCode() == $optionnb) :
                    $option->setValue('TNT');
                    break;
                }
        }
        $item22->setOptions($options)->save(); 
        Mage::getSingleton('checkout/cart')->save();
    }
 }

}

All my items option are changed EXCEPT the last one (the last added in cart i.e. the one that triggered the event)…

(I was before triggering on the checkout_cart_product_add_after event, but read on a so post that the item was not yet saved, and then it was impossible to customize its options at this step. I then changed to checkout_cart_add_product_complete, (where at this point it was said to be really an Item and really in cart, but got the same result..)

Thank you for your help,

EDIT: An info that maybe can help. When I add my first item in cart (cart empty) (item that then will be the unsaved one), I have an error on $options = $item22->getOptions();which means that it is clearly not the same item type as the others…

EDIT 2: still searching… and found a new strange thing : when my cart has items in it and that I remove the last added item (the one with unsaved options), when I add a new item in cart, I have got the same error as the first EDIT !
If I remove another item (not the last one), I can add an time without the $options = $item22->getOptions(); error but the option modification is still unsaved…

EDIT3: I checked the database using phpmyadmin and the "sales_flat_quote_item_option" table still have the unmodified options values for the last added item

Best Answer

I'm not sure, but I think that you should get last addet item that way:

$item = $observer->getQuoteItem();

Related Solutions

Magento – Modifying custom options of an item when adding it to the cart

You could write an observer for the event catalog_product_type_prepare_full_options instead, which is the last event in the add to cart process before the product is actually added to the cart and after the custom options are prepared.

In the observer you have the following parameters available:

transport: Transport object for all custom options, so you can change tehem in the observer. transport->options is an array in the form option_id => option_value. Attention, transport itself is a stdClass object, not an instance of Varien_Object, as you might expect. So there are no getter and setter methods for transport->options.
product: The product that will be converted to a quote item later on.
buy_request: The buyRequest object, you can read it here and still modify it as well. It's a Varien_Object that contains amongst others:
- product: The product id
- options: Array of custom options in the form:
```
option_id => value
```

Source and more info: info_buyRequest reference

So your observer might look like this:

$transport = $observer->getTransport();
if (isset($transport->options[OPTION_A_ID]) && $transport->options[OPTION_A_ID] == 1) {
    $transport->options[OPTION_A_ID] = 4;
}

$buyRequest= $observer->getBuyRequest();
$buyRequestOptions = $buyRequest->getOptions();
if (isset($buyRequestOptions[OPTION_A_ID]) && $buyRequestOptions[OPTION_A_ID] == 1) {
    $buyRequestOptions[OPTION_A_ID] = 4;
}
$buyRequest->setOptions($buyRequestOptions);

The first part (changing $transport) is relevant to actually change the value of option OPTION_A_ID. The second part (changing $buyRequest) is optional, it will just delete all traces of the value that the customer selected and if he reorders the order, the new value will be immediately selected because the buy request gets "executed" with the changed parameters. You have to decide, if that's what you want.

Magento 2 – How to Change Item Custom Option in Cart

        public function __construct(
                ...
                \Magento\Checkout\Model\Cart $cart
                ) 
        {
            ...
            $this->_cart=$cart;
        }

    public function execute(\Magento\Framework\Event\Observer $observer) {

        $items = $this->_cart->getquote()->getAllItems();

        foreach ($items as $item)
        {
            $options = $item->getProduct()->getTypeInstance(true)->getOrderOptions($item->getProduct());
            $customOptions = $options['options'];
            if (!empty($customOptions)) 
            {
                foreach ($customOptions as $key=>$option) 
                {
                    if ($option['label']=="foo") 
                    {
                        $OptionID=$option['option_id'];
                        $this->_cart->getquote()->getItemById($item->getItemId())->getOptionByCode('option_'.$OptionID)->setValue("bar");
                        break;
                    }
                }
                $buyreqTab=$this->serializer->unserialize($this->_cart->getquote()->getItemById($item->getItemId())->getOptionByCode('info_buyRequest')->getValue());
                $buyreqTab['options'][$OptionID]="bar";
                $this->_cart->getquote()->getItemById($item->getItemId())->getOptionByCode('info_buyRequest')->setValue($this->serializer->serialize($buyreqTab));
            }
            $this->_cart->save();

        }
    }

i tried it but it does not reflects in quote_item_options table

Best Answer

Related Solutions

Magento – Modifying custom options of an item when adding it to the cart

Magento 2 – How to Change Item Custom Option in Cart

Related Topic