<?php
/*
* 2007-2011 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2011 PrestaShop SA
*  @version  Release: $Revision: 10176 $
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

include_once dirname(__FILE__).'/../../modules/privatesales/Sale.php';
class CartController extends CartControllerCore
{
    public function preProcess()
    {
        FrontController::preProcess();

        $orderTotal = self::$cart->getOrderTotal(true, Cart::ONLY_PRODUCTS);

        $this->cartDiscounts = self::$cart->getDiscounts();
        foreach ($this->cartDiscounts AS $k => $this->cartDiscount)
            if ($error = self::$cart->checkDiscountValidity(new Discount((int)($this->cartDiscount['id_discount'])), $this->cartDiscounts, $orderTotal, self::$cart->getProducts()))
                self::$cart->deleteDiscount((int)($this->cartDiscount['id_discount']));

        $add = Tools::getIsset('add') ? 1 : 0;
        $delete = Tools::getIsset('delete') ? 1 : 0;
        $removeAll = Tools::getIsset('removeall') ? 1 : 0;

        if (Configuration::get('PS_TOKEN_ENABLE') == 1
        && strcasecmp(Tools::getToken(false), strval(Tools::getValue('token')))
        && self::$cookie->isLogged() === true)
            $this->errors[] = Tools::displayError('Invalid token');
        // Update the cart ONLY if $this->cookies are available, in order to avoid ghost carts created by bots
        if (($add OR Tools::getIsset('update') OR $delete) AND isset($_COOKIE[self::$cookie->getName()]))
        {
            //get the values
            $idProduct = (int)(Tools::getValue('id_product', NULL));
            $idProductAttribute = (int)(Tools::getValue('id_product_attribute', Tools::getValue('ipa')));
            $customizationId = (int)(Tools::getValue('id_customization', 0));
            $qty = (int)(abs(Tools::getValue('qty', 1)));

            // @Adding Antadis - Prevent multi sales
            if ($add){
                $current_sale = array();
                foreach(self::$cart->getProducts() as $product) {
                    /*$current_sale = Db::getInstance()->getRow('
                        SELECT ps.`delivery_delay`, ps.`id_sale`
                        FROM `'._DB_PREFIX_.'product_ps_cache` psc
                        LEFT JOIN `'._DB_PREFIX_.'privatesale` ps ON (ps.`id_sale` = psc.`id_sale`)
                        WHERE psc.`id_product` = '.(int) $product['id_product']
                    );*/

                    $sale = Sale::getSaleFromCategory((int)$product['id_category_default'], false);
                    $current_sale = array(
                        'id_sale'=> (int) $sale->id,
                        'delivery_delay'=> (int) $sale->delivery_delay
                    );
                    // Only one delivery id per cart, so we can break now
                    break;
                }
                /*$adding_sale = Db::getInstance()->getRow('
                    SELECT ps.`delivery_delay`, ps.`id_sale`
                    FROM `'._DB_PREFIX_.'product_ps_cache` psc
                    LEFT JOIN `'._DB_PREFIX_.'privatesale` ps ON (ps.`id_sale` = psc.`id_sale`)
                    WHERE psc.`id_product` = '.(int) $idProduct
                );*/
                $current_product = new Product((int) $idProduct);
                $sale2 = Sale::getSaleFromCategory($current_product->id_category_default, false);
                $adding_sale = array(
                    'id_sale'=> (int) $sale2->id,
                    'delivery_delay'=> (int) $sale2->delivery_delay
                );

                if (!empty($current_sale)) {
                    global $smarty;
                    // Only classic delivery sales can be added together or product of the same sale
                    if ((int)$current_sale['delivery_delay'] != 1 && (int)$adding_sale['id_sale'] != (int)$current_sale['id_sale']) {
                        // Product in cart comes from special delivery sale - only products from the same sale can be added
                        if (Tools::getValue('ajax') == 'true') {
                            die('{"hasError" : true,"popup_error_cart": true, "errors" : ["'.Tools::displayError('Sorry your cart already contains products from a sale shipped within a special period. To continue, please confirm your order or empty your cart.', false).'"]}');
                        } else {
                            $this->errors[] = Tools::displayError('Sorry your cart already contains products from a sale shipped within a special period. To continue, please confirm your order or empty your cart.', false);
                        }
                    } elseif ((int)$current_sale['delivery_delay'] == 1 && (int)$adding_sale['delivery_delay'] != 1) {
                        // Product in cart comes from classic delivery sale - only products from classic delivery sale can be added
                        if (Tools::getValue('ajax') == 'true') {
                            die('{"hasError" : true,"popup_error_cart": true, "errors" : ["'.Tools::displayError('Sorry your cart already contains products from a sale shipped within 3 weeks. To continue, please confirm your order or empty your cart.', false).'"]}');
                        } else {
                            $this->errors[] = Tools::displayError('Sorry your cart already contains products from a sale shipped within 3 weeks. To continue, please confirm your order or empty your cart.', false);
                        }
                    }
                }
            }
            // @End adding Antadis

            if ($qty == 0)
                $this->errors[] = Tools::displayError('Null quantity');
            elseif (!$idProduct)
                $this->errors[] = Tools::displayError('Product not found');
            else
            {
                $producToAdd = new Product((int)($idProduct), true, (int)(self::$cookie->id_lang));
                if ((!$producToAdd->id OR !$producToAdd->active) AND !$delete)
                    if (Tools::getValue('ajax') == 'true')
                        die('{"hasError" : true, "errors" : ["'.Tools::displayError('Product is no longer available.', false).'"]}');
                    else
                        $this->errors[] = Tools::displayError('Product is no longer available.', false);
                else
                {
                    /* Check the quantity availability */
                    if ($idProductAttribute AND is_numeric($idProductAttribute))
                    {
                        if (!$delete AND !$producToAdd->isAvailableWhenOutOfStock($producToAdd->out_of_stock) AND !Attribute::checkAttributeQty((int)$idProductAttribute, (int)$qty))
                            if (Tools::getValue('ajax') == 'true')
                                die('{"hasError" : true, "errors" : ["'.Tools::displayError('There is not enough product in stock.', false).'"]}');
                            else
                                $this->errors[] = Tools::displayError('There is not enough product in stock.');
                    }
                    elseif ($producToAdd->hasAttributes() AND !$delete)
                    {
                        $idProductAttribute = Product::getDefaultAttribute((int)$producToAdd->id, (int)$producToAdd->out_of_stock == 2 ? !(int)Configuration::get('PS_ORDER_OUT_OF_STOCK') : !(int)$producToAdd->out_of_stock);
                        if (!$idProductAttribute)
                            Tools::redirectAdmin($link->getProductLink($producToAdd));
                        elseif (!$delete AND !$producToAdd->isAvailableWhenOutOfStock($producToAdd->out_of_stock) AND !Attribute::checkAttributeQty((int)$idProductAttribute, (int)$qty))
                            if (Tools::getValue('ajax') == 'true')
                                die('{"hasError" : true, "errors" : ["'.Tools::displayError('There is not enough product in stock.', false).'"]}');
                            else
                                $this->errors[] = Tools::displayError('There is not enough product in stock.');
                    }
                    elseif (!$delete AND !$producToAdd->checkQty((int)$qty))
                        if (Tools::getValue('ajax') == 'true')
                                die('{"hasError" : true, "errors" : ["'.Tools::displayError('There is not enough product in stock.').'"]}');
                            else
                                $this->errors[] = Tools::displayError('There is not enough product in stock.');
                    /* Check vouchers compatibility */
                    if ($add AND (($producToAdd->specificPrice AND (float)($producToAdd->specificPrice['reduction'])) OR $producToAdd->on_sale))
                    {
                        $discounts = self::$cart->getDiscounts();
                        $hasUndiscountedProduct = null;
                        foreach($discounts as $discount)
                        {
                            if (is_null($hasUndiscountedProduct))
                            {
                                $hasUndiscountedProduct = false;
                                foreach(self::$cart->getProducts() as $product)
                                    if ($product['reduction_applies'] === false)
                                    {
                                        $hasUndiscountedProduct = true;
                                        break;
                                    }
                            }
                            if (!$discount['cumulable_reduction'] && ($discount['id_discount_type'] != 1 || !$hasUndiscountedProduct))
                                if (Tools::getValue('ajax') == 'true')
                                    die('{"hasError" : true, "errors" : ["'.Tools::displayError('Cannot add this product because current voucher does not allow additional discounts.').'"]}');
                                else
                                    $this->errors[] = Tools::displayError('Cannot add this product because current voucher does not allow additional discounts.');

                        }
                    }
                    if (!sizeof($this->errors))
                    {
                        if ($add AND $qty >= 0)
                        {
                            /* Product addition to the cart */
                            if (!isset(self::$cart->id) OR !self::$cart->id)
                            {
                                self::$cart->add();
                                if (self::$cart->id)
                                    self::$cookie->id_cart = (int)(self::$cart->id);
                            }
                            if ($add AND !$producToAdd->hasAllRequiredCustomizableFields() AND !$customizationId)
                                $this->errors[] = Tools::displayError('Please fill in all required fields, then save the customization.');
                            if (!sizeof($this->errors))
                            {
                                $updateQuantity = self::$cart->updateQty((int)($qty), (int)($idProduct), (int)($idProductAttribute), $customizationId, Tools::getValue('op', 'up'));

                                if ($updateQuantity < 0)
                                {
                                    /* if product has attribute, minimal quantity is set with minimal quantity of attribute*/
                                    if ((int)$idProductAttribute)
                                        $minimal_quantity = Attribute::getAttributeMinimalQty((int)$idProductAttribute);
                                    else
                                        $minimal_quantity = $producToAdd->minimal_quantity;
                                    if (Tools::getValue('ajax') == 'true')
                                        die('{"hasError" : true, "errors" : ["'.Tools::displayError('You must add', false).' '.$minimal_quantity.' '.Tools::displayError('Minimum quantity', false).'"]}');
                                    else
                                        $this->errors[] = Tools::displayError('You must add').' '.$minimal_quantity.' '.Tools::displayError('Minimum quantity')
                                        .((isset($_SERVER['HTTP_REFERER']) AND basename($_SERVER['HTTP_REFERER']) == 'order.php' OR (!Tools::isSubmit('ajax') AND substr(basename($_SERVER['REQUEST_URI']),0, strlen('cart.php')) == 'cart.php')) ? ('<script language="javascript">setTimeout("history.back()",5000);</script><br />- '.
                                        Tools::displayError('You will be redirected to your cart in a few seconds.')) : '');
                                }
                                elseif (!$updateQuantity)
                                {
                                    if (Tools::getValue('ajax') == 'true')
                                        die('{"hasError" : true, "errors" : ["'.Tools::displayError('You already have the maximum quantity available for this product.', false).'"]}');
                                    else
                                        $this->errors[] = Tools::displayError('You already have the maximum quantity available for this product.')
                                        .((isset($_SERVER['HTTP_REFERER']) AND basename($_SERVER['HTTP_REFERER']) == 'order.php' OR (!Tools::isSubmit('ajax') AND substr(basename($_SERVER['REQUEST_URI']),0, strlen('cart.php')) == 'cart.php')) ? ('<script language="javascript">setTimeout("history.back()",5000);</script><br />- '.
                                        Tools::displayError('You will be redirected to your cart in a few seconds.')) : '');
                                }
                            }
                        }
                        elseif ($delete)
                        {
                            if (self::$cart->deleteProduct((int)($idProduct), (int)($idProductAttribute), (int)($customizationId)))
                                if (!Cart::getNbProducts((int)(self::$cart->id)))
                                {
                                    self::$cart->id_carrier = 0;
                                    self::$cart->gift = 0;
                                    self::$cart->gift_message = '';
                                    self::$cart->update();
                                }
                        }
                    }
                    $discounts = self::$cart->getDiscounts();
                    foreach($discounts AS $discount)
                    {
                        $discountObj = new Discount((int)($discount['id_discount']), (int)(self::$cookie->id_lang));
                        if ($error = self::$cart->checkDiscountValidity($discountObj, $discounts, self::$cart->getOrderTotal(true, Cart::ONLY_PRODUCTS), self::$cart->getProducts()))
                        {
                            self::$cart->deleteDiscount((int)($discount['id_discount']));
                            self::$cart->update();
                            $errors[] = $error;
                        }
                    }
                    if (!sizeof($this->errors))
                    {
                        $queryString = Tools::safeOutput(Tools::getValue('query', NULL));
                        if ($queryString AND !Configuration::get('PS_CART_REDIRECT'))
                            Tools::redirect('search.php?search='.$queryString);
                        if (isset($_SERVER['HTTP_REFERER']))
                        {
                            // Redirect to previous page
                            preg_match('!http(s?)://(.*)/(.*)!', $_SERVER['HTTP_REFERER'], $regs);
                            if (isset($regs[3]) AND !Configuration::get('PS_CART_REDIRECT') AND Tools::getValue('ajax') != 'true')
                                Tools::redirect($_SERVER['HTTP_REFERER']);
                        }
                    }
                }
                if (Tools::getValue('ajax') != 'true' AND !sizeof($this->errors))
                    Tools::redirect('order.php?'.(isset($idProduct) ? 'ipa='.(int)($idProduct) : ''));

            }
        }
        
        // @Adding Antadis - remove whole cart
        if ($removeAll) {
            foreach(self::$cart->getProducts() as $product) {
                if (self::$cart->deleteProduct((int)($product['id_product']), (int)($product['id_product_attribute']), (int)($product['id_customization']))) {
                    if (!Cart::getNbProducts((int)(self::$cart->id)))
                    {
                        self::$cart->id_carrier = 0;
                        self::$cart->gift = 0;
                        self::$cart->gift_message = '';
                        self::$cart->update();
                    }
                }
            }
        }
        // @End adding Antadis
    }
}