category_tree.php

来自「this the oscommerce 3.0 aplha 4」· PHP 代码 · 共 106 行

<?php
/*
  $Id: category_tree.php 733 2006-08-20 15:32:32Z hpdl $

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

  Copyright (c) 2004 osCommerce

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License v2 (1991)
  as published by the Free Software Foundation.
*/

  require('../includes/classes/category_tree.php');

  class osC_CategoryTree_Admin extends osC_CategoryTree {
    var $show_category_product_count = true;

    function osC_CategoryTree_Admin() {
      global $osC_Database, $osC_Language;

      $Qcategories = $osC_Database->query('select c.categories_id, c.parent_id, c.categories_image, cd.categories_name from :table_categories c, :table_categories_description cd where c.categories_id = cd.categories_id and cd.language_id = :language_id order by c.parent_id, c.sort_order, cd.categories_name');
      $Qcategories->bindTable(':table_categories', TABLE_CATEGORIES);
      $Qcategories->bindTable(':table_categories_description', TABLE_CATEGORIES_DESCRIPTION);
      $Qcategories->bindInt(':language_id', $osC_Language->getID());
      $Qcategories->execute();

      $this->data = array();

      while ($Qcategories->next()) {
        $this->data[$Qcategories->valueInt('parent_id')][$Qcategories->valueInt('categories_id')] = array('name' => $Qcategories->value('categories_name'), 'image' => $Qcategories->value('categories_image'), 'count' => 0);
      }

      $Qcategories->freeResult();

      if ($this->show_category_product_count === true) {
        $this->calculateCategoryProductCount();
      }
    }

    function calculateCategoryProductCount() {
      global $osC_Database;

      $totals = array();

      $Qtotals = $osC_Database->query('select p2c.categories_id, count(*) as total from :table_products p, :table_products_to_categories p2c where p2c.products_id = p.products_id group by p2c.categories_id');
      $Qtotals->bindTable(':table_products', TABLE_PRODUCTS);
      $Qtotals->bindTable(':table_products_to_categories', TABLE_PRODUCTS_TO_CATEGORIES);
      $Qtotals->execute();

      while ($Qtotals->next()) {
        $totals[$Qtotals->valueInt('categories_id')] = $Qtotals->valueInt('total');
      }

      $Qtotals->freeResult();

      foreach ($this->data as $parent => $categories) {
        foreach ($categories as $id => $info) {
          if (isset($totals[$id]) && ($totals[$id] > 0)) {
            $this->data[$parent][$id]['count'] = $totals[$id];

            $parent_category = $parent;
            while ($parent_category != $this->root_category_id) {
              foreach ($this->data as $parent_parent => $parent_categories) {
                foreach ($parent_categories as $parent_category_id => $parent_category_info) {
                  if ($parent_category_id == $parent_category) {
                    $this->data[$parent_parent][$parent_category_id]['count'] += $this->data[$parent][$id]['count'];

                    $parent_category = $parent_parent;
                    break 2;
                  }
                }
              }
            }
          }
        }
      }

      unset($totals);
    }

    function getPath($category_id, $level = 0, $separator = ' ') {
      $path = '';

      foreach ($this->data as $parent => $categories) {
        foreach ($categories as $id => $info) {
          if ($id == $category_id) {
            if ($level < 1) {
              $path = $info['name'];
            } else {
              $path = $info['name'] . $separator . $path;
            }

            if ($parent != $this->root_category_id) {
              $path = $this->getPath($parent, $level+1, $separator) . $path;
            }
          }
        }
      }

      return $path;
    }
  }
?>