create override for cartcontroller.php

[criacaosites]

i try create a script that check a xml before add product in the cart.

<?php
class CartController extends CartControllerCore
{


	/**
	 * This process add or update a product in the cart
	 */
protected function processChangeProductInCart(){
		
		 parent::initContent();
		 
		require (_PS_MODULE_DIR_.'/'.$this->module_name.'/controllers/admin/data.php');
		require (_PS_MODULE_DIR_.'/'.$this->module_name.'/controllers/admin/data_v4.php');
		require (_PS_MODULE_DIR_.'/'.$this->module_name.'/controllers/admin/language.php');
		require (_PS_MODULE_DIR_.'/'.$this->module_name.'/controllers/admin/all.php');     

		$reference = Db::getInstance()->getValue('SELECT reference FROM '._DB_PREFIX_.'product WHERE id_product='.$product->id);
		$parameters=array(
                                               'Operation'       =>'ItemLookup'              ,
                                              'ItemId'        =>urlencode($reference)      ,
                                             'ResponseGroup'   =>'Medium'                ,
  )

		$A=aws_request($parameters);  

		foreach($A->Items->Item as $item){
		$info[$i]['valor'] = $item->ItemAttributes-> ListPrice->Amount;	
		$margemlucro = '1.'.Configuration::get('modulemarge');
		$info[$i]['precofinal'] = $info[$i]['valor']*$margemlucro/100;		
		$info[$i]['total'] = $item->OfferSummary->TotalNew;
		}

		if(( $info[$i]['total'] > 0) AND
			($product['price'] >= $info[$i]['precofinal'])) 
		{			
			return true;
		}else{
			if(($item->erro == TRUE) OR (empty($item)))
				return true;
				
				$produto= array('active' => 0);
	        	$execute = Db::getInstance()->update('product',$produto, 'reference' = $reference, $limit = 0, $null_values = false, $use_cache = true, $add_prefix = true);
				
				$this->errors[] = Tools::displayError('This product is no longer available, because we dont have more on stock, if you wish them, send us a email that we team will check and back with you soon possible.', false);
			return;
						}
		
				}
	}

But is don't work. How i can check if this script is running on the website?

[abugroup]

Hi criacaosites,

 

Did you find any solution for this cartcontroller override

 

I need to check the quantity before added in to the add to cart.

Edited June 13, 2014 by abugroup (see edit history)

[criacaosites]

Hi criacaosites,

 

Did you find any solution for this cartcontroller override

 

I need to check the quantity before added in to the add to cart.

 

Tank you for fast reply, i did create the override file for replace the function processChangeProductInCart(), on part of 

"if (!$this->errors)" i add the verification "

class CartControllerCore extends FrontController {
	/**
	 * This process add or update a product in the cart
	 */
	protected function processChangeProductInCart()
	{
		$mode = (Tools::getIsset('update') && $this->id_product) ? 'update' : 'add';

		if ($this->qty == 0)
			$this->errors[] = Tools::displayError('Null quantity.', !Tools::getValue('ajax'));
		elseif (!$this->id_product)
			$this->errors[] = Tools::displayError('Product not found', !Tools::getValue('ajax'));

		$product = new Product($this->id_product, true, $this->context->language->id);
		if (!$product->id || !$product->active)
		{
			$this->errors[] = Tools::displayError('This product is no longer available.', !Tools::getValue('ajax'));
			return;
		}

		$qty_to_check = $this->qty;
		$cart_products = $this->context->cart->getProducts();

		if (is_array($cart_products))
			foreach ($cart_products as $cart_product)
			{
				if ((!isset($this->id_product_attribute) || $cart_product['id_product_attribute'] == $this->id_product_attribute) &&
					(isset($this->id_product) && $cart_product['id_product'] == $this->id_product))
				{
					$qty_to_check = $cart_product['cart_quantity'];

					if (Tools::getValue('op', 'up') == 'down')
						$qty_to_check -= $this->qty;
					else
						$qty_to_check += $this->qty;

					break;
				}
			}

		// Check product quantity availability
		if ($this->id_product_attribute)
		{
			if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $qty_to_check))
				$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));
		}
		elseif ($product->hasAttributes())
		{
			$minimumQuantity = ($product->out_of_stock == 2) ? !Configuration::get('PS_ORDER_OUT_OF_STOCK') : !$product->out_of_stock;
			$this->id_product_attribute = Product::getDefaultAttribute($product->id, $minimumQuantity);
			// @todo do something better than a redirect admin !!
			if (!$this->id_product_attribute)
				Tools::redirectAdmin($this->context->link->getProductLink($product));
			elseif (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty($this->id_product_attribute, $qty_to_check))
				$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));
		}
		elseif (!$product->checkQty($qty_to_check))
			$this->errors[] = Tools::displayError('There isn\'t enough product in stock.', !Tools::getValue('ajax'));

		// If no errors, process product addition
		if (!$this->errors && $mode == 'add')
		{
			// Add cart if no cart found
			if (!$this->context->cart->id)
			{
				if (Context::getContext()->cookie->id_guest)
				{
					$guest = new Guest(Context::getContext()->cookie->id_guest);
					$this->context->cart->mobile_theme = $guest->mobile_theme;
				}
				$this->context->cart->add();
				if ($this->context->cart->id)
					$this->context->cookie->id_cart = (int)$this->context->cart->id;
			}

			// Check customizable fields
			if (!$product->hasAllRequiredCustomizableFields() && !$this->customization_id)
				$this->errors[] = Tools::displayError('Please fill in all of the required fields, and then save your customizations.', !Tools::getValue('ajax'));

			if (!$this->errors)
			{
				$cart_rules = $this->context->cart->getCartRules();
				$update_quantity = $this->context->cart->updateQty($this->qty, $this->id_product, $this->id_product_attribute, $this->customization_id, Tools::getValue('op', 'up'), $this->id_address_delivery);
				if ($update_quantity < 0)
				{
					// If product has attribute, minimal quantity is set with minimal quantity of attribute
					$minimal_quantity = ($this->id_product_attribute) ? Attribute::getAttributeMinimalQty($this->id_product_attribute) : $product->minimal_quantity;
					$this->errors[] = sprintf(Tools::displayError('You must add %d minimum quantity', !Tools::getValue('ajax')), $minimal_quantity);
				}
				elseif ($update_quantity == "amazon")
					$this->errors[] = Tools::displayError('We check the stock please reload the page.', !Tools::getValue('ajax'));
				elseif (!$update_quantity)
					$this->errors[] = Tools::displayError('You already have the maximum quantity available for this product.', !Tools::getValue('ajax'));
				elseif ((int)Tools::getValue('allow_refresh'))
				{
					// If the cart rules has changed, we need to refresh the whole cart
					$cart_rules2 = $this->context->cart->getCartRules();
					if (count($cart_rules2) != count($cart_rules))
						$this->ajax_refresh = true;
					else
					{
						$rule_list = array();
						foreach ($cart_rules2 as $rule)
							$rule_list[] = $rule['id_cart_rule'];
						foreach ($cart_rules as $rule)
							if (!in_array($rule['id_cart_rule'], $rule_list))
							{
								$this->ajax_refresh = true;
								break;
							}
					}
				}
			}
		}

		$removed = CartRule::autoRemoveFromCart();
		CartRule::autoAddToCart();
		if (count($removed) && (int)Tools::getValue('allow_refresh'))
			$this->ajax_refresh = true;
	}

}

But my shopping cart don't add or delete product from sumary

Edited September 5, 2014 by criacaosites (see edit history)