<?php
/*

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

  Copyright (c) 2005 osCommerce

  Released under the GNU General Public License
*/

  class osC_RecentlyVisited {

    var $visits = array();

/* Class constructor */

    function osC_RecentlyVisited() {
      if (isset($_SESSION['osC_RecentlyVisited_data']) === false) {
        $_SESSION['osC_RecentlyVisited_data'] = array();
      }

      $this->visits =& $_SESSION['osC_RecentlyVisited_data'];
    }

    function contentModuleInitialize() {
      global $osC_Product;

      if (isset($osC_Product) && is_a($osC_Product, 'osC_Product')) {
        $this->setProduct($osC_Product->getID());
      }

      if (SERVICE_RECENTLY_VISITED_SHOW_CATEGORIES == 'True') {
        $this->setCategory();
      }

      if (SERVICE_RECENTLY_VISITED_SHOW_SEARCHES == 'True') {
        $this->setSearchQuery();
      }
    }

    function getContentModule() {
      return 'recently_visited.php';
    }

   function setProduct($id) {
     foreach ($this->visits['products'] as $key => $value) {
      if ($this->visits['products'][$key]['products_id'] == $id) {
       unset($this->visits['products'][$key]);
       break;
      }
     }

     if (sizeof($this->visits['products']) >= MAX_RECENTLY_VISITED_PRODUCTS+3) {
      $keys = array_keys($this->visits['products']);
      unset($this->visits['products'][$keys[0]]);
      $this->debug[] = 'unsetted ' . $keys[0];
     }

     if (SERVICE_RECENTLY_VISITED_ORIGINAL_PAGE == 'True') {
      $this->visits['products'][] = array('products_id' => $id,
                                          'page_name' => basename($_SERVER['PHP_SELF']),
                                          'get_params' => tep_array_to_string($_GET, array($osC_Session->name, 'action', 'products_id'))
                                         );
     } else {
      $this->visits['products'][] = array('products_id' => $id);
     }
   }

   function setCategory() {
    if (!empty($_GET['cPath'])) {

     $cpath = $_GET['cPath'];

     foreach ($this->visits['categories'] as $key => $value) {
      if ($this->visits['categories'][$key]['cpath'] == $cpath) {
       unset($this->visits['categories'][$key]);
       break;
      }
     }

     if (sizeof($this->visits['categories']) >= MAX_RECENTLY_VISITED_CATEGORIES+3) {
      $keys = array_keys($this->visits['categories']);
      unset($this->visits['categories'][$keys[0]]);
     }

      $this->visits['categories'][] = array('cpath' => $cpath);

    }
   }

   function setSearchQuery() {
    if (!empty($_GET['keywords'])) {

     $keywords = $_GET['keywords'];

     foreach ($this->visits['searches'] as $key => $value) {
      if ($this->visits['searches'][$key]['keywords'] == $keywords) {
       unset($this->visits['searches'][$key]);
       break;
      }
     }

     if (sizeof($this->visits['searches']) >= MAX_RECENTLY_VISITED_SEARCHES+3) {
      $keys = array_keys($this->visits['searches']);
      unset($this->visits['searches'][$keys[0]]);
     }
     $this->visits['searches'][] = array('keywords' => $keywords,
                                         'get_params' => tep_array_to_string($_GET, array($osC_Session->name, 'keywords')));
    }
   }

   function hasCategories() {
     if (isset($this->visits['categories']) && (empty($this->visits['categories']) === false)) {
       return true;
     }

     return false;
   }

   function getCategories() {
     global $osC_Database;

     $history = array();

     if (isset($this->visits['categories']) && (empty($this->visits['categories']) === false)) {
       foreach ($this->visits['categories'] as $k => $v) {
         $parts = explode("_", $this->visits['categories'][$k]['cpath']);

         if (sizeof($parts) > 1) {
           $Qpcategory = $osC_Database->query('select categories_name, categories_id from :table_categories_description where categories_id = :categories_id and  language_id = :language_id');
           $Qpcategory->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
           $Qpcategory->bindInt(':categories_id', $parts[0]);
           $Qpcategory->bindInt(':language_id', $_SESSION['languages_id']);
           $Qpcategory->execute();

           $Qcategory = $osC_Database->query('select categories_name from :table_categories_description where categories_id = :categories_id and  language_id = :language_id');
           $Qcategory->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
           $Qcategory->bindInt(':categories_id', $parts[sizeof($parts)-1]);
           $Qcategory->bindInt(':language_id', $_SESSION['languages_id']);
           $Qcategory->execute();
         } else {
           $Qpcategory = false;

           $Qcategory = $osC_Database->query('select categories_name from :table_categories_description where categories_id = :categories_id and  language_id = :language_id');
           $Qcategory->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
           $Qcategory->bindInt(':categories_id', $parts[0]);
           $Qcategory->bindInt(':language_id', $_SESSION['languages_id']);
           $Qcategory->execute();
         }

         $history[]  = array('parents_name' => ($Qpcategory) ? $Qpcategory->value('categories_name') : '',
                             'parents_id' => ($Qpcategory) ? $Qpcategory->value('categories_id') : '',
                             'category_name' => $Qcategory->value('categories_name'),
                             'category_id' => $this->visits['categories'][$k]['cpath']
                            );
       }

       if (empty($history) === false) {
         krsort($history);
         $history = array_slice($history, 0, MAX_RECENTLY_VISITED_CATEGORIES);
       }
     }

     return $history;
   }

   function hasProducts() {
     if (isset($this->visits['products']) && (empty($this->visits['products']) === false)) {
       return true;
     }

     return false;
   }

   function getProducts() {
     global $osC_Database, $osC_Services, $osC_Currencies, $osC_Specials;

     $history = array();

     if (isset($this->visits['products']) && (empty($this->visits['products']) === false)) {
       foreach ($this->visits['products'] as $k => $v) {
         $cpath = tep_get_product_path($this->visits['products'][$k]['products_id']);
         $parts = explode("_", $cpath);
         $cat_id =  $parts[sizeof($parts)-1];

         $Qcategory = $osC_Database->query('select categories_name from :table_categories_description where categories_id = :categories_id and  language_id = :language_id');
         $Qcategory->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
         $Qcategory->bindInt(':categories_id', $cat_id);
         $Qcategory->bindInt(':language_id', $_SESSION['languages_id']);
         $Qcategory->execute();

         $products_name = tep_get_products_name($this->visits['products'][$k]['products_id']);

         if ( (SERVICE_RECENTLY_VISITED_SHOW_IMAGE == 'True') or (SERVICE_RECENTLY_VISITED_SHOW_PRICE == 'True') ) {
           $Qproduct = $osC_Database->query('select products_price, products_tax_class_id, products_image from :table_products where products_status = 1 and products_id = :products_id');
           $Qproduct->bindTable(':table_products', TABLE_PRODUCTS);
           $Qproduct->bindInt(':products_id', $this->visits['products'][$k]['products_id']);
           $Qproduct->execute();

           if (SERVICE_RECENTLY_VISITED_SHOW_PRICE == 'True') {
             if ( ($osC_Services->isStarted('specials')) && ($new_price = $osC_Specials->getPrice($this->visits['products'][$k]['products_id'])) ) {
               $products_price = '<s>' . $osC_Currencies->displayPrice($Qproduct->value('products_price'), $Qproduct->valueInt('products_tax_class_id')) . '</s> <span class="productSpecialPrice">' . $osC_Currencies->displayPrice($new_price, $Qproduct->valueInt('products_tax_class_id')) . '</span>';
             } else {
               $products_price = $osC_Currencies->displayPrice($Qproduct->value('products_price'), $Qproduct->valueInt('products_tax_class_id'));
             }
           }
         }

         $history[] = array('name' => $products_name,
                            'page' => ($this->visits['products'][$k]['page_name']) ? $this->visits['products'][$k]['page_name'] : FILENAME_DEFAULT,
                            'id' => $this->visits['products'][$k]['products_id'],
                            'get_params' => $this->visits['products'][$k]['get_params'],
                            'price' => (SERVICE_RECENTLY_VISITED_SHOW_PRICE == 'True') ? $products_price : '',
                            'image' => (SERVICE_RECENTLY_VISITED_SHOW_IMAGE == 'True') ? $Qproduct->value('products_image') : '',
                            'category_name' =>  $Qcategory->value('categories_name'),
                            'category_path' => $cpath
                           );
       }

       if (empty($history) === false) {
         krsort($history);
         $history = array_slice($history, 0, MAX_RECENTLY_VISITED_PRODUCTS);
       }
     }

     return $history;
   }

   function hasSearches() {
     if (isset($this->visits['searches']) && (empty($this->visits['searches']) === false)) {
       return true;
     }

     return false;
   }

   function getSearches() {
     $history = array();

     if (isset($this->visits['searches']) && (empty($this->visits['searches']) === false)) {
       foreach ($this->visits['searches'] as $k => $v) {
         $history[]  = array('keywords' => $this->visits['searches'][$k]['keywords'],                                             'parents_id' => ($Qpcategory) ? $Qpcategory->value('categories_id') : '',
                             'get_params' => $this->visits['searches'][$k]['get_params']
                            );
       }

       if (empty($history) === false) {
         krsort($history);
         $history = array_slice($history, 0, MAX_RECENTLY_VISITED_SEARCHES);
       }
     }

     return $history;
   }
 }
?>