<?php
/*
  $Id: shopping_cart.php,v 1.35 2003/06/25 21:14:33 hpdl Exp $

  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com

  Copyright (c) 2003 osCommerce

  Released under the GNU General Public License
*/

  class shoppingCart {
    var $contents, $total, $weight, $cartID, $content_type;


    function shoppingCart() {
      $this->reset();
    }

    function restore_contents() {
      global $customer_id;

      if (!tep_session_is_registered('customer_id')) return false;

// insert current cart contents in database
      if (is_array($this->contents)) {
        reset($this->contents);
// -> OSC-79 : La quantit?minimum de vente n'est pas ajust?
        $pf = new PriceFormatter;
        while (list($products_id, ) = each($this->contents)) {
          $pf->loadProduct($products_id);
          $qty = $pf->adjustQty($this->contents[$products_id]['qty']);
// <- OSC-79
          $product_query = tep_db_query("select products_id from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
          if (!tep_db_num_rows($product_query)) {
            tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET . " (customers_id, products_id, customers_basket_quantity, customers_basket_date_added) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id) . "', '" . $qty . "', '" . date('Ymd') . "')");
            if (isset($this->contents[$products_id]['attributes'])) {
              reset($this->contents[$products_id]['attributes']);
              while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
                tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " (customers_id, products_id, products_options_id, products_options_value_id) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id) . "', '" . (int)$option . "', '" . (int)$value . "')");
              }
            }
          } else {
            tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . $qty . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
          }
        }
      }

// reset per-session cart contents, but not the database contents
      $this->reset(false);

// -> QPBPP135
      $products_query = tep_db_query("select cb.products_id, ptdc.discount_categories_id, customers_basket_quantity from " . TABLE_CUSTOMERS_BASKET . " cb left join " . TABLE_PRODUCTS_TO_DISCOUNT_CATEGORIES . " ptdc using(products_id) where customers_id = '" . (int)$customer_id . "'");
      while ($products = tep_db_fetch_array($products_query)) {
        $this->contents[$products['products_id']] = array('qty' => $products['customers_basket_quantity'], 'discount_categories_id' => $products['discount_categories_id']);
// <- QPBPP135
// attributes
        $attributes_query = tep_db_query("select products_options_id, products_options_value_id from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products['products_id']) . "'");
        while ($attributes = tep_db_fetch_array($attributes_query)) {
          $this->contents[$products['products_id']]['attributes'][$attributes['products_options_id']] = $attributes['products_options_value_id'];
        }
      }

      $this->cleanup();
    }

    function reset($reset_database = false) {
      global $customer_id;

      $this->contents = array();
      $this->total = 0;
      $this->weight = 0;
      $this->content_type = false;

      if (tep_session_is_registered('customer_id') && ($reset_database == true)) {
        tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "'");
        tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "'");
      }

      unset($this->cartID);
      if (tep_session_is_registered('cartID')) tep_session_unregister('cartID');
    }

    function add_cart($products_id, $qty = '1', $attributes = '', $notify = true) {
      global $new_products_id_in_cart, $customer_id;

// -> QPBPP135
      $pf = new PriceFormatter;
      $pf->loadProduct($products_id);
      $qty = $pf->adjustQty($qty);
      $discount_category = $pf->get_discount_category();
// <- QPBPP135
      $products_id_string = tep_get_uprid($products_id, $attributes);
      $products_id = tep_get_prid($products_id_string);

      $attributes_pass_check = true;

      if (is_array($attributes)) {
        reset($attributes);
        while (list($option, $value) = each($attributes)) {
          if (!is_numeric($option) || !is_numeric($value)) {
            $attributes_pass_check = false;
            break;
          }
        }
      }

      if (is_numeric($products_id) && is_numeric($qty) && ($attributes_pass_check == true)) {
        $check_product_query = tep_db_query("select products_status from " . TABLE_PRODUCTS . " where products_id = '" . (int)$products_id . "'");
        $check_product = tep_db_fetch_array($check_product_query);

        if (($check_product !== false) && ($check_product['products_status'] == '1')) {
          if ($notify == true) {
            $new_products_id_in_cart = $products_id;
            tep_session_register('new_products_id_in_cart');
          }

// -> QPBPP135
          if ($this->in_cart($products_id_string)) {
            $this->update_quantity($products_id_string, $qty, $attributes, $discount_category);
          } else {
            $this->contents[$products_id_string] = array('qty' => (int)$qty, 'discount_categories_id' => $discount_category);
// <- QPBPP135
// insert into database
            if (tep_session_is_registered('customer_id')) tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET . " (customers_id, products_id, customers_basket_quantity, customers_basket_date_added) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id_string) . "', '" . (int)$qty . "', '" . date('Ymd') . "')");

            if (is_array($attributes)) {
              reset($attributes);
              while (list($option, $value) = each($attributes)) {
                $this->contents[$products_id_string]['attributes'][$option] = $value;
// insert into database
                if (tep_session_is_registered('customer_id')) tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " (customers_id, products_id, products_options_id, products_options_value_id) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id_string) . "', '" . (int)$option . "', '" . (int)$value . "')");
              }
            }
          }

          $this->cleanup();

// assign a temporary unique ID to the order contents to prevent hack attempts during the checkout procedure
          $this->cartID = $this->generate_cart_id();
        }
      }
    }

// -> QPBPP135
    function update_quantity($products_id, $quantity = '', $attributes = '', $discount_categories_id = NULL) {
// <- QPBPP135
      global $customer_id;

      $products_id_string = tep_get_uprid($products_id, $attributes);
      $products_id = tep_get_prid($products_id_string);

// -> OSC-79 : La quantit?minimum de vente n'est pas ajust?
      $pf = new PriceFormatter;
      $pf->loadProduct($products_id);
      $quantity = $pf->adjustQty($quantity);
// <- OSC-79

      $attributes_pass_check = true;

      if (is_array($attributes)) {
        reset($attributes);
        while (list($option, $value) = each($attributes)) {
          if (!is_numeric($option) || !is_numeric($value)) {
            $attributes_pass_check = false;
            break;
          }
        }
      }

      if (is_numeric($products_id) && isset($this->contents[$products_id_string]) && is_numeric($quantity) && ($attributes_pass_check == true)) {
// -> QPBPP135
        $this->contents[$products_id_string] = array('qty' => (int)$quantity, 'discount_categories_id' => $discount_categories_id);
// <- QPBPP135
// update database
        if (tep_session_is_registered('customer_id')) tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . (int)$quantity . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id_string) . "'");

        if (is_array($attributes)) {
          reset($attributes);
          while (list($option, $value) = each($attributes)) {
            $this->contents[$products_id_string]['attributes'][$option] = $value;
// update database
            if (tep_session_is_registered('customer_id')) tep_db_query("update " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " set products_options_value_id = '" . (int)$value . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id_string) . "' and products_options_id = '" . (int)$option . "'");
          }
        }
      }
    }

    function cleanup() {
      global $customer_id;

      reset($this->contents);
      while (list($key,) = each($this->contents)) {
        if ($this->contents[$key]['qty'] < 1) {
          unset($this->contents[$key]);
// remove from database
          if (tep_session_is_registered('customer_id')) {
            tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
            tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
          }
        }
      }
    }

    function count_contents() {  // get total number of items in cart 
      $total_items = 0;
      if (is_array($this->contents)) {
        reset($this->contents);
        while (list($products_id, ) = each($this->contents)) {
          $total_items += $this->get_quantity($products_id);
        }
      }

      return $total_items;
    }

    function get_quantity($products_id) {
      if (isset($this->contents[$products_id])) {
        return $this->contents[$products_id]['qty'];
      } else {
        return 0;
      }
    }

    function in_cart($products_id) {
      if (isset($this->contents[$products_id])) {
        return true;
      } else {
        return false;
      }
    }

    function remove($products_id) {
      global $customer_id;

      unset($this->contents[$products_id]);
// remove from database
      if (tep_session_is_registered('customer_id')) {
        tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
        tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
      }

// assign a temporary unique ID to the order contents to prevent hack attempts during the checkout procedure
      $this->cartID = $this->generate_cart_id();
    }

    function remove_all() {
      $this->reset();
    }

    function get_product_id_list() {
      $product_id_list = '';
      if (is_array($this->contents)) {
        reset($this->contents);
        while (list($products_id, ) = each($this->contents)) {
          $product_id_list .= ', ' . $products_id;
        }
      }

      return substr($product_id_list, 2);
    }

	// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
	/*
	 * Ajoute un mode $type_de_prix ?la m?hode 'calculate()' de la classe 'shoppingCart'.
	 * 
	 *  Si l'on ne sp?ifie pas de valeur ?$type_de_prix lorsque l'on appelle cette m?hode, on aura par d?aut le calcul du PANIER en HT.
	 *  Si l'on sp?ifie 'HT' : le mode de calcul du PANIER sera en calcul?en HT (via la fonction tep_add_tax() situ? dans includes/functions/general.php)
	 *  Si l'on sp?ifie 'TTC' : le mode de calcul du PANIER sera en calcul?en TTC (via la fonction prix_avec_taxes() situ? dans includes/functions/general.php)
	 * 
	 */
    function calculate( $type_de_prix = 'HT' ) {
	// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
// -> QPBPP135
      global $currencies, $languages_id, $pfs, $customer_id; // for qpbpp added: $languages_id, $pfs
      $account_query = tep_db_query("select is_partner,coeff_partner  from " . TABLE_CUSTOMERS . " where customers_id = '" . (int)$customer_id . "'");

      $account = tep_db_fetch_array($account_query);
      $coeff_partner =  $account['coeff_partner']; 
      $is_partner = $account['is_partner'];

// <- QPBPP135
      $this->total = 0;
      $this->weight = 0;
      if (!is_array($this->contents)) return 0;
// -> QPBPP135
        $discount_category_quantity = array(); // calculates no of items per discount category in shopping basket
      foreach ($this->contents as $products_id => $contents_array) {
	      if(tep_not_null($contents_array['discount_categories_id'])) {
	        if (!isset($discount_category_quantity[$contents_array['discount_categories_id']])) {
		        $discount_category_quantity[$contents_array['discount_categories_id']] = $contents_array['qty'];
	        } else {
		        $discount_category_quantity[$contents_array['discount_categories_id']] += $contents_array['qty'];
	        }
	      }
      } // end foreach

   $pf = new PriceFormatter;
// <- QPBPP135

      reset($this->contents);
      while (list($products_id, ) = each($this->contents)) {
        $qty = $this->contents[$products_id]['qty'];
// -> QPBPP135
      if (tep_not_null($this->contents[$products_id]['discount_categories_id'])) {
        $nof_items_in_cart_same_cat = $discount_category_quantity[$this->contents[$products_id]['discount_categories_id']];
        $nof_other_items_in_cart_same_cat = $nof_items_in_cart_same_cat - $qty;
      } else {
          $nof_other_items_in_cart_same_cat = 0;
      }
// <- QPBPP135
// products price
// -> QPBPP135
       $pf->loadProduct($products_id, $languages_id);
        if ($product = $pfs->getPriceFormatterData($products_id)) {
          $prid = $product['products_id'];
          $products_tax = tep_get_tax_rate($product['products_tax_class_id']);
          $products_price = $pf->computePrice($qty, $nof_other_items_in_cart_same_cat);
// -> MARP256

          $products_cost = $product['products_cost'];
          $products_lowPrice = $pf->lowPrice;
          $products_partner_price = $products_cost*$coeff_partner;
          if ($is_partner==true) {
            if ($products_price > $products_partner_price) {
              $products_price = $products_partner_price;
              if ($products_price >$products_lowPrice ) {
                $products_price = $products_lowPrice;
            }
            } 
          
            
          } 


// <- MARP256
// <- QPBPP135
          $products_weight = $product['products_weight'];
          
// -> QPBPP135
         /* $specials_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$prid . "' and status = '1'");
          if (tep_db_num_rows ($specials_query)) {
            $specials = tep_db_fetch_array($specials_query);
            $products_price = $specials['specials_new_products_price'];
          } */
// <- QPBPP135
		// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
		/*
		 * pour les produits complet:
		 * V?ifie si on calcule en HT (via (tep_add_tax()) ou en TTC (via prix_avec_taxes())
		 * 
		 */

		 switch ($type_de_prix)
		  {
		 	case 'HT':
		  	  // sans le calcul des taxes : 
              $this->total += tep_add_tax($products_price, $products_tax) * $qty; 
			  break;
			  
		 	case 'TTC':
		  	  // avec le calcul des taxes :
              $this->total += prix_avec_taxes($products_price, $products_tax) * $qty;
			  break;
		  }
		// <- OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
		
          $this->weight += ($qty * $products_weight);
        }

// attributes price
        if (isset($this->contents[$products_id]['attributes'])) {
          reset($this->contents[$products_id]['attributes']);
          while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
            $attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$prid . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
            $attribute_price = tep_db_fetch_array($attribute_price_query);
			
			// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
			/*
			 * pour les attributs de produits:
			 * V?ifie si on calcule en HT (via (tep_add_tax()) ou en TTC (via prix_avec_taxes())
			 * 
			 */
			 switch ($type_de_prix)
			 {
			 	case 'HT':
		  	        // sans le calcul des taxes :
		            if ($attribute_price['price_prefix'] == '+') {
		              $this->total += $qty * tep_add_tax($attribute_price['options_values_price'], $products_tax);
		            } else {
		              $this->total -= $qty * tep_add_tax($attribute_price['options_values_price'], $products_tax);
		            }
					break;
					
			 	case 'TTC':
		  	        // avec le calcul des taxes :
		            if ($attribute_price['price_prefix'] == '+') {
		              $this->total += $qty * prix_avec_taxes($attribute_price['options_values_price'], $products_tax);
		            } else {
		              $this->total -= $qty * prix_avec_taxes($attribute_price['options_values_price'], $products_tax);
		            }
					break;
			 }
		   // <- OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
		   
          }
        }
      }
    }


    function attributes_price($products_id) {
      $attributes_price = 0;

      if (isset($this->contents[$products_id]['attributes'])) {
        reset($this->contents[$products_id]['attributes']);
        while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
          $attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$products_id . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
          $attribute_price = tep_db_fetch_array($attribute_price_query);
          if ($attribute_price['price_prefix'] == '+') {
            $attributes_price += $attribute_price['options_values_price'];
          } else {
            $attributes_price -= $attribute_price['options_values_price'];
          }
        }
      }

      return $attributes_price;
    }

    function get_products() {
// -> QPBPP135
      global $languages_id, $pfs;
// <- QPBPP135

      if (!is_array($this->contents)) return false;

// -> QPBPP135
      $discount_category_quantity = array();
      foreach ($this->contents as $products_id => $contents_array) {
	      if(tep_not_null($contents_array['discount_categories_id'])) {
	        if (!isset($discount_category_quantity[$contents_array['discount_categories_id']])) {
		        $discount_category_quantity[$contents_array['discount_categories_id']] = $contents_array['qty'];
	        } else {
		        $discount_category_quantity[$contents_array['discount_categories_id']] += $contents_array['qty'];
	        }
	      }
      } // end foreach
      
      $pf = new PriceFormatter;
// <- QPBPP135

      $products_array = array();
      reset($this->contents);
      while (list($products_id, ) = each($this->contents)) {
// -> QPBPP135
      $pf->loadProduct($products_id, $languages_id); // does query if necessary and adds to 
      // PriceFormatterStore or gets info from it next
	  if ($products = $pfs->getPriceFormatterData($products_id)) {
       if (tep_not_null($this->contents[$products_id]['discount_categories_id'])) {
          $nof_items_in_cart_same_cat =  $discount_category_quantity[$this->contents[$products_id]['discount_categories_id']];
          $nof_other_items_in_cart_same_cat = $nof_items_in_cart_same_cat - $this->contents[$products_id]['qty'];
        } else {
          $nof_other_items_in_cart_same_cat = 0;
        }
          $products_price = $pf->computePrice($this->contents[$products_id]['qty'], $nof_other_items_in_cart_same_cat);
// <- QPBPP135

          $products_array[] = array('id' => $products_id,
                                    'name' => $products['products_name'],
                                    'model' => $products['products_model'],
                                    'image' => $products['products_image'],
// -> QPBPP135
				    'discount_categories_id' => $this->contents[$products_id]['discount_categories_id'],
// <- QPBPP135
                                    'price' => $products_price,
// -> MARP256
                                    'cost' => $products['products_cost'],
                                    'quantity' => $this->contents[$products_id]['qty'],
                                    'weight' => $products['products_weight'],
                                    'final_price' => ($products_price + $this->attributes_price($products_id)),
                                    'tax_class_id' => $products['products_tax_class_id'],
                                    'attributes' => (isset($this->contents[$products_id]['attributes']) ? $this->contents[$products_id]['attributes'] : ''));
        }
      }

      return $products_array;
    }


	// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC
	/*
	 * Ajoute un mode $type_de_prix ?la m?hode 'calculate()' de la classe 'shopping_cart'.
	 * 
	 *  Si l'on ne sp?ifie pas de valeur ?$type_de_prix lorsque l'on appelle cette m?hode, on aura par d?aut le calcul du PANIER en HT.
	 *  Si l'on sp?ifie 'HT' : le mode de calcul du PANIER sera en calcul?en HT (via la fonction tep_add_tax() situ? dans includes/functions/general.php)
	 *  Si l'on sp?ifie 'TTC' : le mode de calcul du PANIER sera en calcul?en TTC (via la fonction ajout_prix_ttc() situ? dans includes/functions/general.php)
	 * 
	 */
    function show_total( $type_de_prix = 'HT') {

      // appel de calculate() avec en param?re le param?re d'appel pass??show_total().
      $this->calculate($type_de_prix);
	// -> OSC-70 : Gestion HT/TTC : affichage prix HT et TTC

      return $this->total; 
    }
    

    function show_weight() {
      $this->calculate();

      return $this->weight;
    }

    function generate_cart_id($length = 5) {
      return tep_create_random_value($length, 'digits');
    }

    function get_content_type() {
      $this->content_type = false;

      if ( (DOWNLOAD_ENABLED == 'true') && ($this->count_contents() > 0) ) {
        reset($this->contents);
        while (list($products_id, ) = each($this->contents)) {
          if (isset($this->contents[$products_id]['attributes'])) {
            reset($this->contents[$products_id]['attributes']);
            while (list(, $value) = each($this->contents[$products_id]['attributes'])) {
              $virtual_check_query = tep_db_query("select count(*) as total from " . TABLE_PRODUCTS_ATTRIBUTES . " pa, " . TABLE_PRODUCTS_ATTRIBUTES_DOWNLOAD . " pad where pa.products_id = '" . (int)$products_id . "' and pa.options_values_id = '" . (int)$value . "' and pa.products_attributes_id = pad.products_attributes_id");
              $virtual_check = tep_db_fetch_array($virtual_check_query);

              if ($virtual_check['total'] > 0) {
                switch ($this->content_type) {
                  case 'physical':
                    $this->content_type = 'mixed';

                    return $this->content_type;
                    break;
                  default:
                    $this->content_type = 'virtual';
                    break;
                }
              } else {
                switch ($this->content_type) {
                  case 'virtual':
                    $this->content_type = 'mixed';

                    return $this->content_type;
                    break;
                  default:
                    $this->content_type = 'physical';
                    break;
                }
              }
            }
          } else {
            switch ($this->content_type) {
              case 'virtual':
                $this->content_type = 'mixed';

                return $this->content_type;
                break;
              default:
                $this->content_type = 'physical';
                break;
            }
          }
        }
      } else {
        $this->content_type = 'physical';
      }

      return $this->content_type;
    }

    function unserialize($broken) {
      for(reset($broken);$kv=each($broken);) {
        $key=$kv['key'];
        if (gettype($this->$key)!="user function")
        $this->$key=$kv['value'];
      }
    }

// -> VDOFS : gestion des articles Ã©puisÃ©s
    function check_after_any_site_changes()
    {
      foreach ($this->contents as $products_id => $value) 
      {
          $check_product_query = tep_db_query("select products_status, products_out_of_stock, products_quantity from " . TABLE_PRODUCTS . " where products_id = '" . (int)$products_id . "'");
          $check_product = tep_db_fetch_array($check_product_query);
          if ( $check_product['products_status'] == '0' )
          {
              return true;	// product has been deactivated
          }
          else if ( $check_product['products_out_of_stock'] == 1 )
          {
              return true;      // product is out of stock
          }
      }
      return false;
    }    

    function update_after_any_site_changes()
    {
      global $languages_id;
      $speech = array();
      foreach ($this->contents as $products_id => $value) 
      {
          $check_product_query = tep_db_query("select pd.products_name, p.products_status, p.products_out_of_stock, p.products_quantity from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd where p.products_id = pd.products_id and pd.language_id = '" . (int)$languages_id . "' and p.products_id = '" . (int)$products_id . "'");
          $check_product = tep_db_fetch_array($check_product_query);
          if ( $check_product['products_status'] == '0' )
          {
              $speech[] = $check_product['products_name'] . " retir&eacute; du panier : article supprim&eacute; du catalogue";
              $this->remove($products_id);
          }
          else if ( $check_product['products_out_of_stock'] == 1 )
          {
              $speech[] = $check_product['products_name'] . " retir&eacute; du panier : article &eacute;puis&eacute;";
              $this->remove($products_id);
          }
      }
      return $speech;
    }    
// <- VDOFS 

// -> VDVCAT : gestion des produits virtuels
    function has_only_virtual_products()
    {
      foreach ($this->contents as $products_id => $value) 
      {
          $check_product_query = tep_db_query("select categories_id from " . TABLE_PRODUCTS_TO_CATEGORIES . " where products_id = '" . (int)$products_id . "'");
          $check_product = tep_db_fetch_array($check_product_query);
          if ( $check_product['categories_id'] != '62' ) return false;	// 62 : well known virtual category
      }
      return true;
    }    
// <- VDVCAT
  }
?>