Magento 1.9: Get product id from wishlist remove item event

Question

When I remove an item from wishlist, I need to get the product id of that item. Anyone please help me on this.

See my code below:

config.xml

 <wishlist_item_save_after>
                <observers>
                    <data_wishlist_delete>
                        <class>data/observer</class>
                        <method>deleteFromWishlist</method>
                    </data_wishlist_delete>
                </observers>
 </wishlist_item_save_after>

Observer.php

public function deleteFromWishlist()
    {
        $item = Mage::app()->getRequest()->getParam('item');
        $action = Mage::app()->getRequest()->getActionName();

        if (($action == 'remove') && !empty($item)) {

            $resource = Mage::getSingleton('core/resource');
            $readConnection = $resource->getConnection('core_read');
            $query = 'SELECT product_id FROM wishlist_item WHERE wishlist_item_id = ' . $item . ' LIMIT 1';
            $id = $readConnection->fetchOne($query);
            echo 'Product Id: ' . $id . '<br/>';
        } else {
            return;
        }
    }

The product id is not getting here is because the record in the wishlist_item table is deleting when we remove an item from wishlist.

Answer 1

Instead of checking routes and putting conditions in your observer event, you can add your observer on wishlist remove event controller_action_predispatch_wishlist_index_remove

<events>
    <controller_action_predispatch_wishlist_index_remove>
        <observers>
            <data_wishlist_delete>
                <class>data/observer</class>
                <method>deleteFromWishlist</method>
            </data_wishlist_delete>
        </observers>
    </controller_action_predispatch_wishlist_index_remove>
</events>

And update your function to get Product Id like below.

public function deleteFromWishlist()
{
    $item = Mage::app()->getRequest()->getParam('item');
    if($item){
        $item = Mage::getModel('wishlist/item')->load($item);
        $productId = $item->getProductId();
    }
}

Answer 2

You cannot get your output in this way. Because you are saving the product to the wishlist and immediately you are trying to remove it by using SQL query. It will not work in this way. You need to override the removeAction() of wishlist from the file app\code\core\Mage\Wishlist\controllers\IndexController.php.

public function removeAction()
    {
        if (!$this->_validateFormKey()) {
            return $this->_redirect('*/*');
        }
        $id = (int) $this->getRequest()->getParam('item');
        $item = Mage::getModel('wishlist/item')->load($id);
        if (!$item->getId()) {
            return $this->norouteAction();
        }
        $wishlist = $this->_getWishlist($item->getWishlistId());
        if (!$wishlist) {
            return $this->norouteAction();
        }
        try {
            $event_data_array  =  array('cid' => '123'); //if require
            //defining the custom event
            Mage::dispatchEvent('my_custom_event', $event_data_array);
            $item->delete();
            $wishlist->save();
        } catch (Mage_Core_Exception $e) {
            Mage::getSingleton('customer/session')->addError(
                $this->__('An error occurred while deleting the item from wishlist: %s', $e->getMessage())
            );
        } catch (Exception $e) {
            Mage::getSingleton('customer/session')->addError(
                $this->__('An error occurred while deleting the item from wishlist.')
            );
        }

        Mage::helper('wishlist')->calculate();

        $this->_redirectReferer(Mage::getUrl('*/*'));
    }

Here we have adde our own custom event before deleting the item. So now by using this custom event, you can fetch the product_id by loading the wishlist collection.

problem solved.