<?php

/**
 * ECSHOP 公用函数库
 * ============================================================================
 * 版权所有 2005-2008 上海商派网络科技有限公司，并保留所有权利。
 * 网站地址: http://www.ecshop.com；
 * ----------------------------------------------------------------------------
 * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
 * 使用；不允许对程序代码以任何形式任何目的的再发布。
 * ============================================================================
 * $Author: testyang $
 * $Id: lib_common.php 15052 2008-10-25 02:46:37Z testyang $
*/

if (!defined('IN_ECS'))
{
    die('Hacking attempt');
}

/**
 * 创建像这样的查询: "IN('a','b')";
 *
 * @access   public
 * @param    mix      $item_list      列表数组或字符串
 * @param    string   $field_name     字段名称
 *
 * @return   void
 */
function db_create_in($item_list, $field_name = '')
{
    if (empty($item_list))
    {
        return $field_name . " IN ('') ";
    }
    else
    {
        if (!is_array($item_list))
        {
            $item_list = explode(',', $item_list);
        }
        $item_list = array_unique($item_list);
        $item_list_tmp = '';
        foreach ($item_list AS $item)
        {
            if ($item !== '')
            {
                $item_list_tmp .= $item_list_tmp ? ",'$item'" : "'$item'";
            }
        }
        if (empty($item_list_tmp))
        {
            return $field_name . " IN ('') ";
        }
        else
        {
            return $field_name . ' IN (' . $item_list_tmp . ') ';
        }
    }
}

/**
 * 验证输入的邮件地址是否合法
 *
 * @access  public
 * @param   string      $email      需要验证的邮件地址
 *
 * @return bool
 */
function is_email($user_email)
{
    $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i";
    if (strpos($user_email, '@') !== false && strpos($user_email, '.') !== false)
    {
        if (preg_match($chars, $user_email))
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    else
    {
        return false;
    }
}

/**
 * 检查是否为一个合法的时间格式
 *
 * @access  public
 * @param   string  $time
 * @return  void
 */
function is_time($time)
{
    $pattern = '/[\d]{4}-[\d]{1,2}-[\d]{1,2}\s[\d]{1,2}:[\d]{1,2}:[\d]{1,2}/';

    return preg_match($pattern, $time);
}

/**
 * 获得查询时间和次数，并赋值给smarty
 *
 * @access  public
 * @return  void
 */
function assign_query_info()
{
    if ($GLOBALS['db']->queryTime == '')
    {
        $query_time = 0;
    }
    else
    {
        if (PHP_VERSION >= '5.0.0')
        {
            $query_time = number_format(microtime(true) - $GLOBALS['db']->queryTime, 6);
        }
        else
        {
            list($now_usec, $now_sec)     = explode(' ', microtime());
            list($start_usec, $start_sec) = explode(' ', $GLOBALS['db']->queryTime);
            $query_time = number_format(($now_sec - $start_sec) + ($now_usec - $start_usec), 6);
        }
    }
    $GLOBALS['smarty']->assign('query_info', sprintf($GLOBALS['_LANG']['query_info'], $GLOBALS['db']->queryCount, $query_time));

    /* 内存占用情况 */
    if ($GLOBALS['_LANG']['memory_info'] && function_exists('memory_get_usage'))
    {
        $GLOBALS['smarty']->assign('memory_info', sprintf($GLOBALS['_LANG']['memory_info'], memory_get_usage() / 1048576));
    }

    /* 是否启用了 gzip */
    $gzip_enabled = gzip_enabled() ? $GLOBALS['_LANG']['gzip_enabled'] : $GLOBALS['_LANG']['gzip_disabled'];
    $GLOBALS['smarty']->assign('gzip_enabled', $gzip_enabled);
}

/**
 * 创建地区的返回信息
 *
 * @access  public
 * @param   array   $arr    地区数组 *
 * @return  void
 */
function region_result($parent, $sel_name, $type)
{
    global $cp;

    $arr = get_regions($type, $parent);
    foreach ($arr AS $v)
    {
        $region      =& $cp->add_node('region');
        $region_id   =& $region->add_node('id');
        $region_name =& $region->add_node('name');

        $region_id->set_data($v['region_id']);
        $region_name->set_data($v['region_name']);
    }
    $select_obj =& $cp->add_node('select');
    $select_obj->set_data($sel_name);
}

/**
 * 获得指定国家的所有省份
 *
 * @access      public
 * @param       int     country    国家的编号
 * @return      array
 */
function get_regions($type = 0, $parent = 0)
{
    $sql = 'SELECT region_id, region_name FROM ' . $GLOBALS['ecs']->table('region') .
            " WHERE region_type = '$type' AND parent_id = '$parent'";

    return $GLOBALS['db']->GetAll($sql);
}

/**
 * 获得配送区域中指定的配送方式的配送费用的计算参数
 *
 * @access  public
 * @param   int     $area_id        配送区域ID
 *
 * @return array;
 */
function get_shipping_config($area_id)
{
    /* 获得配置信息 */
    $sql = 'SELECT configure FROM ' . $GLOBALS['ecs']->table('shipping_area') . " WHERE shipping_area_id = '$area_id'";
    $cfg = $GLOBALS['db']->GetOne($sql);

    if ($cfg)
    {
        /* 拆分成配置信息的数组 */
        $arr = unserialize($cfg);
    }
    else
    {
        $arr = array();
    }

    return $arr;
}

/**
 * 初始化会员数据整合类
 *
 * @access  public
 * @return  object
 */
function &init_users()
{
    $set_modules = false;
    static $cls = null;
    if ($cls != null)
    {
        return $cls;
    }
    include_once(ROOT_PATH . 'includes/modules/integrates/' . $GLOBALS['_CFG']['integrate_code'] . '.php');
    $cfg = unserialize($GLOBALS['_CFG']['integrate_config']);
    $cls = new $GLOBALS['_CFG']['integrate_code']($cfg);

    return $cls;
}

/**
 * 获得指定分类下的子分类的数组
 *
 * @access  public
 * @param   int     $cat_id     分类的ID
 * @param   int     $selected   当前选中分类的ID
 * @param   boolean $re_type    返回的类型: 值为真时返回下拉列表,否则返回数组
 * @param   int     $level      限定返回的级数。为0时返回所有级数
 * @param   int     $is_show_all 如果为true显示所有分类，如果为false隐藏不可见分类。
 * @return  mix
 */
function cat_list($cat_id = 0, $selected = 0, $re_type = true, $level = 0, $is_show_all = true)
{
    static $res = NULL;

    if ($res === NULL)
    {
        $data = read_static_cache('cat_pid_releate');
        if ($data === false)
        {
            $sql = "SELECT c.cat_id, c.cat_name, c.measure_unit, c.parent_id, c.is_show, c.show_in_nav, c.grade, c.sort_order, COUNT(s.cat_id) AS has_children ".
                'FROM ' . $GLOBALS['ecs']->table('category') . " AS c ".
                "LEFT JOIN " . $GLOBALS['ecs']->table('category') . " AS s ON s.parent_id=c.cat_id ".
                "GROUP BY c.cat_id ".
                'ORDER BY c.parent_id, c.sort_order ASC';
            $res = $GLOBALS['db']->getAll($sql);

            $sql = "SELECT cat_id, COUNT(*) AS goods_num " .
                    " FROM " . $GLOBALS['ecs']->table('goods') . " AS g " .
                    " GROUP BY cat_id";
            $res2 = $GLOBALS['db']->getAll($sql);

            $newres = array();
            foreach($res2 as $k=>$v)
            {
                $newres[$v['cat_id']] = $v['goods_num'];
            }

            foreach($res as $k=>$v)
            {
                $res[$k]['goods_num'] = !empty($newres[$v['cat_id']]) ? $newres[$v['cat_id']] : 0;
            }
            //如果数组过大，不采用静态缓存方式
            if (count($res) <= 1000)
            {
                write_static_cache('cat_pid_releate', $res);
            }
        }
        else
        {
            $res = $data;
        }
    }

    if (empty($res) == true)
    {
        return $re_type ? '' : array();
    }

    $options = cat_options($cat_id, $res); // 获得指定分类下的子分类的数组

    $children_level = 99999; //大于这个分类的将被删除
    if ($is_show_all == false)
    {
        foreach ($options as $key => $val)
        {
            if ($val['level'] > $children_level)
            {
                unset($options[$key]);
            }
            else
            {
                if ($val['is_show'] == 0)
                {
                    unset($options[$key]);
                    if ($children_level > $val['level'])
                    {
                        $children_level = $val['level']; //标记一下，这样子分类也能删除
                    }
                }
                else
                {
                    $children_level = 99999; //恢复初始值
                }
            }
        }
    }

    /* 截取到指定的缩减级别 */
    if ($level > 0)
    {
        if ($cat_id == 0)
        {
            $end_level = $level;
        }
        else
        {
            $first_item = reset($options); // 获取第一个元素
            $end_level  = $first_item['level'] + $level;
        }

        /* 保留level小于end_level的部分 */
        foreach ($options AS $key => $val)
        {
            if ($val['level'] >= $end_level)
            {
                unset($options[$key]);
            }
        }
    }

    if ($re_type == true)
    {
        $select = '';
        foreach ($options AS $var)
        {
            $select .= '<option value="' . $var['cat_id'] . '" ';
            $select .= ($selected == $var['cat_id']) ? "selected='ture'" : '';
            $select .= '>';
            if ($var['level'] > 0)
            {
                $select .= str_repeat('&nbsp;', $var['level'] * 4);
            }
            $select .= htmlspecialchars($var['cat_name'], ENT_QUOTES) . '</option>';
        }

        return $select;
    }
    else
    {
        foreach ($options AS $key => $value)
        {
            $options[$key]['url'] = build_uri('category', array('cid' => $value['cat_id']), $value['cat_name']);
        }

        return $options;
    }
}

/**
 * 过滤和排序所有分类，返回一个带有缩进级别的数组
 *
 * @access  private
 * @param   int     $cat_id     上级分类ID
 * @param   array   $arr        含有所有分类的数组
 * @param   int     $level      级别
 * @return  void
 */
function cat_options($spec_cat_id, $arr)
{
    static $cat_options = array();

    if (isset($cat_options[$spec_cat_id]))
    {
        return $cat_options[$spec_cat_id];
    }

    if (!isset($cat_options[0]))
    {
        $level = $last_cat_id = 0;
        $options = $cat_id_array = $level_array = array();
        $data = read_static_cache('cat_option_static');
        if ($data === false)
        {
            while (!empty($arr))
            {
                foreach ($arr AS $key => $value)
                {
                    $cat_id = $value['cat_id'];
                    if ($level == 0 && $last_cat_id == 0)
                    {
                        if ($value['parent_id'] > 0)
                        {
                            break;
                        }

                        $options[$cat_id]          = $value;
                        $options[$cat_id]['level'] = $level;
                        $options[$cat_id]['id']    = $cat_id;
                        $options[$cat_id]['name']  = $value['cat_name'];
                        unset($arr[$key]);

                        if ($value['has_children'] == 0)
                        {
                            continue;
                        }
                        $last_cat_id  = $cat_id;
                        $cat_id_array = array($cat_id);
                        $level_array[$last_cat_id] = ++$level;
                        continue;
                    }

                    if ($value['parent_id'] == $last_cat_id)
                    {
                        $options[$cat_id]          = $value;
                        $options[$cat_id]['level'] = $level;
                        $options[$cat_id]['id']    = $cat_id;
                        $options[$cat_id]['name']  = $value['cat_name'];
                        unset($arr[$key]);

                        if ($value['has_children'] > 0)
                        {
                            if (end($cat_id_array) != $last_cat_id)
                            {
                                $cat_id_array[] = $last_cat_id;
                            }
                            $last_cat_id    = $cat_id;
                            $cat_id_array[] = $cat_id;
                            $level_array[$last_cat_id] = ++$level;
                        }
                    }
                    elseif ($value['parent_id'] > $last_cat_id)
                    {
                        break;
                    }
                }

                $count = count($cat_id_array);
                if ($count > 1)
                {
                    $last_cat_id = array_pop($cat_id_array);
                }
                elseif ($count == 1)
                {
                    if ($last_cat_id != end($cat_id_array))
                    {
                        $last_cat_id = end($cat_id_array);
                    }
                    else
                    {
                        $level = 0;
                        $last_cat_id = 0;
                        $cat_id_array = array();
                        continue;
                    }
                }

                if ($last_cat_id && isset($level_array[$last_cat_id]))
                {
                    $level = $level_array[$last_cat_id];
                }
                else
                {
                    $level = 0;
                }
            }
            //如果数组过大，不采用静态缓存方式
            if (count($options) <= 2000)
            {
                write_static_cache('cat_option_static', $options);
            }
        }
        else
        {
            $options = $data;
        }
        $cat_options[0] = $options;
    }
    else
    {
        $options = $cat_options[0];
    }

    if (!$spec_cat_id)
    {
        return $options;
    }
    else
    {
        if (empty($options[$spec_cat_id]))
        {
            return array();
        }

        $spec_cat_id_level = $options[$spec_cat_id]['level'];

        foreach ($options AS $key => $value)
        {
            if ($key != $spec_cat_id)
            {
                unset($options[$key]);
            }
            else
            {
                break;
            }
        }

        $spec_cat_id_array = array();
        foreach ($options AS $key => $value)
        {
            if (($spec_cat_id_level == $value['level'] && $value['cat_id'] != $spec_cat_id) ||
                ($spec_cat_id_level > $value['level']))
            {
                break;
            }
            else
            {
                $spec_cat_id_array[$key] = $value;
            }
        }
        $cat_options[$spec_cat_id] = $spec_cat_id_array;

        return $spec_cat_id_array;
    }
}

/**
 * 载入配置信息
 *
 * @access  public
 * @return  array
 */
function load_config()
{
    $arr = array();

    $data = read_static_cache('shop_config');
    if ($data === false)
    {
        $sql = 'SELECT code, value FROM ' . $GLOBALS['ecs']->table('shop_config') . ' WHERE parent_id > 0';
        $res = $GLOBALS['db']->getAll($sql);

        foreach ($res AS $row)
        {
            $arr[$row['code']] = $row['value'];
        }

        /* 对数值型设置处理 */
        $arr['watermark_alpha']      = intval($arr['watermark_alpha']);
        $arr['market_price_rate']    = floatval($arr['market_price_rate']);
        $arr['integral_scale']       = floatval($arr['integral_scale']);
        //$arr['integral_percent']     = floatval($arr['integral_percent']);
        $arr['cache_time']           = intval($arr['cache_time']);
        $arr['thumb_width']          = intval($arr['thumb_width']);
        $arr['thumb_height']         = intval($arr['thumb_height']);
        $arr['image_width']          = intval($arr['image_width']);
        $arr['image_height']         = intval($arr['image_height']);
        $arr['best_number']          = !empty($arr['best_number']) && intval($arr['best_number']) > 0 ? intval($arr['best_number'])     : 3;
        $arr['new_number']           = !empty($arr['new_number']) && intval($arr['new_number']) > 0 ? intval($arr['new_number'])      : 3;
        $arr['hot_number']           = !empty($arr['hot_number']) && intval($arr['hot_number']) > 0 ? intval($arr['hot_number'])      : 3;
        $arr['promote_number']       = !empty($arr['promote_number']) && intval($arr['promote_number']) > 0 ? intval($arr['promote_number'])  : 3;
        $arr['top_number']           = intval($arr['top_number'])      > 0 ? intval($arr['top_number'])      : 10;
        $arr['history_number']       = intval($arr['history_number'])  > 0 ? intval($arr['history_number'])  : 5;
        $arr['comments_number']      = intval($arr['comments_number']) > 0 ? intval($arr['comments_number']) : 5;
        $arr['article_number']       = intval($arr['article_number'])  > 0 ? intval($arr['article_number'])  : 5;
        $arr['page_size']            = intval($arr['page_size'])       > 0 ? intval($arr['page_size'])       : 10;
        $arr['bought_goods']         = intval($arr['bought_goods']);
        $arr['goods_name_length']    = intval($arr['goods_name_length']);
        $arr['top10_time']           = intval($arr['top10_time']);
        $arr['goods_gallery_number'] = intval($arr['goods_gallery_number']) ? intval($arr['goods_gallery_number']) : 5;
        $arr['no_picture']           = !empty($arr['no_picture']) ? str_replace('../', './', $arr['no_picture']) : 'images/no_picture.gif'; // 修改默认商品图片的路径
        $arr['qq']                   = !empty($arr['qq']) ? $arr['qq'] : '';
        $arr['ww']                   = !empty($arr['ww']) ? $arr['ww'] : '';
        $arr['default_storage']      = isset($arr['default_storage']) ? intval($arr['default_storage']) : 1;
        $arr['min_goods_amount']     = isset($arr['min_goods_amount']) ? floatval($arr['min_goods_amount']) : 0;
        $arr['one_step_buy']         = empty($arr['one_step_buy']) ? 0 : 1;
        $arr['invoice_type']         = empty($arr['invoice_type']) ? array('type' => array(), 'rate' => array()) : unserialize($arr['invoice_type']);
        $arr['show_order_type']      = isset($arr['show_order_type']) ? $arr['show_order_type'] : 0;    // 显示方式默认为列表方式
        $arr['help_open']            = isset($arr['help_open']) ? $arr['help_open'] : 1;    // 显示方式默认为列表方式

        if (!isset($GLOBALS['_CFG']['ecs_version']))
        {
            /* 如果没有版本号则默认为2.0.5 */
            $GLOBALS['_CFG']['ecs_version'] = 'v2.0.5';
        }

        //限定语言项
        $lang_array = array('zh_cn', 'zh_tw');
        if (empty($arr['lang']) || !in_array($arr['lang'], $lang_array))
        {
            $arr['lang'] = 'zh_cn'; // 默认语言为简体中文
        }

        if (empty($arr['integrate_code']))
        {
            $arr['integrate_code'] = 'ecshop'; // 默认的会员整合插件为 ecshop
        }
        write_static_cache('shop_config', $arr);
    }
    else
    {
        $arr = $data;
    }

    return $arr;
}

/**
 * 取得品牌列表
 * @return array 品牌列表 id => name
 */
function get_brand_list()
{
    $sql = 'SELECT brand_id, brand_name FROM ' . $GLOBALS['ecs']->table('brand') . ' ORDER BY sort_order';
    $res = $GLOBALS['db']->getAll($sql);

    $brand_list = array();
    foreach ($res AS $row)
    {
        $brand_list[$row['brand_id']] = $row['brand_name'];
    }

    return $brand_list;
}

/**
 * 获得某个分类下
 *
 * @access  public
 * @param   int     $cat
 * @return  array
 */
function get_brands($cat = 0, $app = 'brand')
{
    $children = ($cat > 0) ? ' AND ' . get_children($cat) : '';

    $sql = "SELECT b.brand_id, b.brand_name, b.brand_logo, b.brand_desc, COUNT(*) AS goods_num, IF(b.brand_logo > '', '1', '0') AS tag ".
            "FROM " . $GLOBALS['ecs']->table('brand') . "AS b, ".
                $GLOBALS['ecs']->table('goods') . " AS g ".
            "WHERE g.brand_id = b.brand_id $children AND is_show = 1 " .
            " AND g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ".
            "GROUP BY b.brand_id HAVING goods_num > 0 ORDER BY tag DESC, b.sort_order ASC";

    $row = $GLOBALS['db']->getAll($sql);

    foreach ($row AS $key => $val)
    {
        $row[$key]['url'] = build_uri($app, array('cid' => $cat, 'bid' => $val['brand_id']), $val['brand_name']);
    }

    return $row;
}

/**
 *  所有的促销活动信息
 *
 * @access  public
 * @return  array
 */
function get_promotion_info($goods_id = '')
{
    $snatch = array();
    $group = array();
    $auction = array();
    $favourable = array();

    $gmtime = gmtime();
    $sql = 'SELECT act_id, act_name, act_type, start_time, end_time FROM ' . $GLOBALS['ecs']->table('goods_activity') . " WHERE is_finished=0 AND start_time <= '$gmtime' AND end_time >= '$gmtime'";
    if(!empty($goods_id))
    {
        $sql .= " AND goods_id = '$goods_id'";
    }
    $res = $GLOBALS['db']->getAll($sql);
    foreach ($res as $data)
    {
        switch ($data['act_type'])
        {
            case GAT_SNATCH: //夺宝奇兵
                $snatch[$data['act_id']]['act_name'] = $data['act_name'];
                $snatch[$data['act_id']]['url'] = build_uri('snatch', array('sid' => $data['act_id']));
                $snatch[$data['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $data['start_time']), local_date('Y-m-d', $data['end_time']));
                $snatch[$data['act_id']]['sort'] = $data['start_time'];
                $snatch[$data['act_id']]['type'] = 'snatch';
                break;

            case GAT_GROUP_BUY: //团购
                $group[$data['act_id']]['act_name'] = $data['act_name'];
                $group[$data['act_id']]['url'] = build_uri('group_buy', array('gbid' => $data['act_id']));
                $group[$data['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $data['start_time']), local_date('Y-m-d', $data['end_time']));
                $group[$data['act_id']]['sort'] = $data['start_time'];
                $group[$data['act_id']]['type'] = 'group_buy';
                break;

            case GAT_AUCTION: //拍卖
                $auction[$data['act_id']]['act_name'] = $data['act_name'];
                $auction[$data['act_id']]['url'] = build_uri('auction', array('auid' => $data['act_id']));
                $auction[$data['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $data['start_time']), local_date('Y-m-d', $data['end_time']));
                $auction[$data['act_id']]['sort'] = $data['start_time'];
                $auction[$data['act_id']]['type'] = 'auction';
                break;
        }
    }

    $user_rank = ',' . $_SESSION['user_rank'] . ',';
    $favourable = array();
    $sql = 'SELECT act_id, act_range, act_range_ext, act_name, start_time, end_time FROM ' . $GLOBALS['ecs']->table('favourable_activity') . " WHERE start_time <= '$gmtime' AND end_time >= '$gmtime'";
    if(!empty($goods_id))
    {
        $sql .= " AND CONCAT(',', user_rank, ',') LIKE '%" . $user_rank . "%'";
    }
    $res = $GLOBALS['db']->getAll($sql);

    if(empty($goods_id))
    {
        foreach ($res as $rows)
        {
            $favourable[$rows['act_id']]['act_name'] = $rows['act_name'];
            $favourable[$rows['act_id']]['url'] = 'activity.php';
            $favourable[$rows['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $rows['start_time']), local_date('Y-m-d', $rows['end_time']));
            $favourable[$rows['act_id']]['sort'] = $rows['start_time'];
            $favourable[$rows['act_id']]['type'] = 'favourable';
        }
    }
    else
    {
        $sql = "SELECT cat_id, brand_id FROM " . $GLOBALS['ecs']->table('goods') .
           "WHERE goods_id = '$goods_id'";
        $row = $GLOBALS['db']->getRow($sql);
        $category_id = $row['cat_id'];
        $brand_id = $row['brand_id'];

        foreach ($res as $rows)
        {
            if ($rows['act_range'] == FAR_ALL)
            {
                $favourable[$rows['act_id']]['act_name'] = $rows['act_name'];
                $favourable[$rows['act_id']]['url'] = 'activity.php';
                $favourable[$rows['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $rows['start_time']), local_date('Y-m-d', $rows['end_time']));
                $favourable[$rows['act_id']]['sort'] = $rows['start_time'];
                $favourable[$rows['act_id']]['type'] = 'favourable';
            }
            elseif ($rows['act_range'] == FAR_CATEGORY)
            {
                /* 找出分类id的子分类id */
                $id_list = array();
                $raw_id_list = explode(',', $rows['act_range_ext']);
                foreach ($raw_id_list as $id)
                {
                    $id_list = array_merge($id_list, array_keys(cat_list($id, 0, false)));
                }
                $ids = join(',', array_unique($id_list));

                if (strpos(',' . $ids . ',', ',' . $category_id . ',') !== false)
                {
                    $favourable[$rows['act_id']]['act_name'] = $rows['act_name'];
                    $favourable[$rows['act_id']]['url'] = 'activity.php';
                    $favourable[$rows['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $rows['start_time']), local_date('Y-m-d', $rows['end_time']));
                    $favourable[$rows['act_id']]['sort'] = $rows['start_time'];
                    $favourable[$rows['act_id']]['type'] = 'favourable';
                }
            }
            elseif ($rows['act_range'] == FAR_BRAND)
            {
                if (strpos(',' . $rows['act_range_ext'] . ',', ',' . $brand_id . ',') !== false)
                {
                    $favourable[$rows['act_id']]['act_name'] = $rows['act_name'];
                    $favourable[$rows['act_id']]['url'] = 'activity.php';
                    $favourable[$rows['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $rows['start_time']), local_date('Y-m-d', $rows['end_time']));
                    $favourable[$rows['act_id']]['sort'] = $rows['start_time'];
                    $favourable[$rows['act_id']]['type'] = 'favourable';
                }
            }
            elseif ($rows['act_range'] == FAR_GOODS)
            {
                if (strpos(',' . $rows['act_range_ext'] . ',', ',' . $goods_id . ',') !== false)
                {
                    $favourable[$rows['act_id']]['act_name'] = $rows['act_name'];
                    $favourable[$rows['act_id']]['url'] = 'activity.php';
                    $favourable[$rows['act_id']]['time'] = sprintf($GLOBALS['_LANG']['promotion_time'], local_date('Y-m-d', $rows['start_time']), local_date('Y-m-d', $rows['end_time']));
                    $favourable[$rows['act_id']]['sort'] = $rows['start_time'];
                    $favourable[$rows['act_id']]['type'] = 'favourable';
                }
            }
        }
    }

//    if(!empty($goods_id))
//    {
//        return array('snatch'=>$snatch, 'group_buy'=>$group, 'auction'=>$auction, 'favourable'=>$favourable);
//    }

    $sort_time = array();
    $arr = array_merge($snatch, $group, $auction, $favourable);
    foreach($arr as $key => $value)
    {
        $sort_time[] = $value['sort'];
    }
    array_multisort($sort_time, SORT_NUMERIC, SORT_DESC, $arr);

    return $arr;
}

/**
 * 获得指定分类下所有底层分类的ID
 *
 * @access  public
 * @param   integer     $cat        指定的分类ID
 * @return  string
 */
function get_children($cat = 0)
{
    return 'g.cat_id ' . db_create_in(array_unique(array_merge(array($cat), array_keys(cat_list($cat, 0, false)))));
}

/**
 * 获得指定文章分类下所有底层分类的ID
 *
 * @access  public
 * @param   integer     $cat        指定的分类ID
 *
 * @return void
 */
function get_article_children ($cat = 0)
{
    return db_create_in(array_unique(array_merge(array($cat), array_keys(article_cat_list($cat, 0, false)))), 'cat_id');
}

/**
 * 获取邮件模板
 *
 * @access  public
 * @param:  $tpl_name[string]       模板代码
 *
 * @return array
 */
function get_mail_template($tpl_name)
{
    $sql = 'SELECT template_subject, is_html, template_content FROM ' . $GLOBALS['ecs']->table('mail_templates') . " WHERE template_code = '$tpl_name'";

    return $GLOBALS['db']->GetRow($sql);

}

/**
 * 记录订单操作记录
 *
 * @access  public
 * @param   string  $order_sn           订单编号
 * @param   integer $order_status       订单状态
 * @param   integer $shipping_status    配送状态
 * @param   integer $pay_status         付款状态
 * @param   string  $note               备注
 * @param   string  $username           用户名，用户自己的操作则为 buyer
 * @return  void
 */
function order_action($order_sn, $order_status, $shipping_status, $pay_status, $note = '', $username = null)
{
    if (is_null($username))
    {
        $username = $_SESSION['admin_name'];
    }

    $sql = 'INSERT INTO ' . $GLOBALS['ecs']->table('order_action') .
                ' (order_id, action_user, order_status, shipping_status, pay_status, action_note, log_time) ' .
            'SELECT ' .
                "order_id, '$username', '$order_status', '$shipping_status', '$pay_status', '$note', '" .gmtime() . "' " .
            'FROM ' . $GLOBALS['ecs']->table('order_info') . " WHERE order_sn = '$order_sn'";
    $GLOBALS['db']->query($sql);
}

/**
 * 格式化商品价格
 *
 * @access  public
 * @param   float   $price  商品价格
 * @return  string
 */
function price_format($price, $change_price = true)
{
    if ($change_price && defined('ECS_ADMIN') === false)
    {
        switch ($GLOBALS['_CFG']['price_format'])
        {
            case 0:
                $price = number_format($price, 2, '.', '');
                break;
            case 1: // 保留不为 0 的尾数
                $price = preg_replace('/(.*)(\\.)([0-9]*?)0+$/', '\1\2\3', number_format($price, 2, '.', ''));

                if (substr($price, -1) == '.')
                {
                    $price = substr($price, 0, -1);
                }
                break;
            case 2: // 不四舍五入，保留1位
                $price = substr(number_format($price, 2, '.', ''), 0, -1);
                break;
            case 3: // 直接取整
                $price = intval($price);
                break;
            case 4: // 四舍五入，保留 1 位
                $price = number_format($price, 1, '.', '');
                break;
            case 5: // 先四舍五入，不保留小数
                $price = round($price);
                break;
        }
    }
    else
    {
        $price = number_format($price, 2, '.', '');
    }

    return sprintf($GLOBALS['_CFG']['currency_format'], $price);
}

/**
 * 返回订单中的虚拟商品
 *
 * @access  public
 * @param   int   $order_id   订单id值
 * @param   bool  $shipping   是否已经发货
 *
 * @return array()
 */
function get_virtual_goods($order_id, $shipping = false)
{
    if ($shipping)
    {
        $sql = 'SELECT goods_id, goods_name, send_number AS num, extension_code FROM '.
           $GLOBALS['ecs']->table('order_goods') .
           " WHERE order_id = '$order_id' AND is_real = 0 AND send_number > 0 AND extension_code > ''";
    }
    else
    {
        $sql = 'SELECT goods_id, goods_name, (goods_number - send_number) AS num, extension_code FROM '.
           $GLOBALS['ecs']->table('order_goods') .
           " WHERE order_id = '$order_id' AND is_real = 0 AND (goods_number - send_number) > 0 AND extension_code > '' ";
    }
    $res = $GLOBALS['db']->getAll($sql);

    $virtual_goods = array();
    foreach ($res AS $row)
    {
        $virtual_goods[$row['extension_code']][] = array('goods_id' => $row['goods_id'], 'goods_name' => $row['goods_name'], 'num' => $row['num']);
    }

    return $virtual_goods;
}

/**
 *  虚拟商品发货
 *
 * @access  public
 * @param   array  $virtual_goods   虚拟商品数组
 * @param   string $msg             错误信息
 * @param   string $order_sn        订单号。
 *
 * @return bool
 */
function virtual_goods_ship($virtual_goods, &$msg, $order_sn, $return_result = false)
{
    $virtual_card = array();
    foreach ($virtual_goods AS $code => $goods_list)
    {
        /* 只处理虚拟卡 */
        if ($code == 'virtual_card')
        {
            foreach ($goods_list as $goods)
            {
                if (virtual_card_shipping($goods, $order_sn, $msg))
                {
                    if ($return_result)
                    {
                        $virtual_card[] = array('goods_id'=>$goods['goods_id'], 'goods_name'=>$goods['goods_name'], 'info'=>virtual_card_result($order_sn, $goods));
                    }
                }
                else
                {
                    return false;
                }
            }
            $GLOBALS['smarty']->assign('virtual_card',      $virtual_card);
        }
    }

    return true;
}

/**
 *  虚拟卡发货
 *
 * @access  public
 * @param   string      $goods      商品详情数组
 * @param   string      $order_sn   本次操作的订单
 * @param   string      $msg        返回信息
 *
 * @return  boolen
 */
function virtual_card_shipping ($goods, $order_sn, &$msg)
{
    /* 包含加密解密函数所在文件 */
    include_once(ROOT_PATH . 'includes/lib_code.php');

    /* 检查有没有缺货 */
    $sql = "SELECT COUNT(*) FROM ".$GLOBALS['ecs']->table('virtual_card')." WHERE goods_id = '$goods[goods_id]' AND is_saled = 0 ";
    $num = $GLOBALS['db']->GetOne($sql);

    if ($num < $goods['num'])
    {
        $msg .= sprintf($GLOBALS['_LANG']['virtual_card_oos'], $goods['goods_name']);

        return false;
    }

     /* 取出卡片信息 */
     $sql = "SELECT card_id, card_sn, card_password, end_date, crc32 FROM ".$GLOBALS['ecs']->table('virtual_card')." WHERE goods_id = '$goods[goods_id]' AND is_saled = 0  LIMIT " . $goods['num'];
     $arr = $GLOBALS['db']->getAll($sql);

     $card_ids = array();
     $cards = array();

     foreach ($arr as $virtual_card)
     {
        $card_info = array();

        /* 卡号和密码解密 */
        if ($virtual_card['crc32'] == 0 || $virtual_card['crc32'] == crc32(AUTH_KEY))
        {
            $card_info['card_sn'] = decrypt($virtual_card['card_sn']);
            $card_info['card_password'] = decrypt($virtual_card['card_password']);
        }
        elseif ($virtual_card['crc32'] == crc32(OLD_AUTH_KEY))
        {
            $card_info['card_sn'] = decrypt($virtual_card['card_sn'], OLD_AUTH_KEY);
            $card_info['card_password'] = decrypt($virtual_card['card_password'], OLD_AUTH_KEY);
        }
        else
        {
            $msg .= 'error key';

            return false;
        }
        $card_info['end_date'] = date($GLOBALS['_CFG']['date_format'], $virtual_card['end_date']);
        $card_ids[] = $virtual_card['card_id'];
        $cards[] = $card_info;
     }

     /* 标记已经取出的卡片 */
    $sql = "UPDATE ".$GLOBALS['ecs']->table('virtual_card')." SET ".
           "is_saled = 1 ,".
           "order_sn = '$order_sn' ".
           "WHERE " . db_create_in($card_ids, 'card_id');
    if (!$GLOBALS['db']->query($sql, 'SILENT'))
    {
        $msg .= $GLOBALS['db']->error();

        return false;
    }

    /* 更新库存 */
    $sql = "UPDATE ".$GLOBALS['ecs']->table('goods'). " SET goods_number = goods_number - '$goods[num]' WHERE goods_id = '$goods[goods_id]'";
    $GLOBALS['db']->query($sql);

    /* 获取订单信息 */
    $sql = "SELECT order_id, order_sn, consignee, email FROM ".$GLOBALS['ecs']->table('order_info'). " WHERE order_sn = '$order_sn'";
    $order = $GLOBALS['db']->GetRow($sql);

    /* 更新订单信息 */
    $sql = "UPDATE ".$GLOBALS['ecs']->table('order_goods'). " SET ".
           "send_number = '$goods[num]' ".
           "WHERE order_id = '$order[order_id]' AND goods_id = '$goods[goods_id]' ";

    if (!$GLOBALS['db']->query($sql, 'SILENT'))
    {
        $msg .= $GLOBALS['db']->error();

        return false;
    }

    /* 发送邮件 */
    $GLOBALS['smarty']->assign('virtual_card',                   $cards);
    $GLOBALS['smarty']->assign('order',                          $order);
    $GLOBALS['smarty']->assign('goods',                          $goods);

    $GLOBALS['smarty']->assign('send_time', date('Y-m-d H:i:s'));
    $GLOBALS['smarty']->assign('shop_name', $GLOBALS['_CFG']['shop_name']);
    $GLOBALS['smarty']->assign('send_date', date('Y-m-d'));
    $GLOBALS['smarty']->assign('sent_date', date('Y-m-d'));

    $tpl = get_mail_template('virtual_card');
    $content = $GLOBALS['smarty']->fetch('str:' . $tpl['template_content']);
    send_mail($order['consignee'], $order['email'], $tpl['template_subject'], $content, $tpl['is_html']);

    return true;
}

/**
 *  返回虚拟卡信息
 *
 * @access  public
 * @param
 *
 * @return void
 */
function virtual_card_result($order_sn, $goods)
{
    /* 包含加密解密函数所在文件 */
    include_once(ROOT_PATH . 'includes/lib_code.php');

    /* 获取已经发送的卡片数据 */
    $sql = "SELECT card_sn, card_password, end_date, crc32 FROM ".$GLOBALS['ecs']->table('virtual_card')." WHERE goods_id= '$goods[goods_id]' AND order_sn = '$order_sn' ";
    $res= $GLOBALS['db']->query($sql);

    $cards = array();

    while ($row = $GLOBALS['db']->FetchRow($res))
    {
        /* 卡号和密码解密 */
        if ($row['crc32'] == 0 || $row['crc32'] == crc32(AUTH_KEY))
        {
            $row['card_sn'] = decrypt($row['card_sn']);
            $row['card_password'] = decrypt($row['card_password']);
        }
        elseif ($row['crc32'] == crc32(OLD_AUTH_KEY))
        {
            $row['card_sn'] = decrypt($row['card_sn'], OLD_AUTH_KEY);
            $row['card_password'] = decrypt($row['card_password'], OLD_AUTH_KEY);
        }
        else
        {
            $row['card_sn'] = '***';
            $row['card_password'] = '***';
        }

        $cards[] = array('card_sn'=>$row['card_sn'], 'card_password'=>$row['card_password'], 'end_date'=>date($GLOBALS['_CFG']['date_format'], $row['end_date']));
    }

    return $cards;
}

/**
 * 获取指定 id snatch 活动的结果
 *
 * @access  public
 * @param   int   $id       snatch_id
 *
 * @return  array           array(user_name, bie_price, bid_time, num)
 *                          num通常为1，如果为2表示有2个用户取到最小值，但结果只返回最早出价用户。
 */
function get_snatch_result($id)
{
    $sql = 'SELECT u.user_id, u.user_name, u.email, lg.bid_price, lg.bid_time, count(*) as num' .
            ' FROM ' . $GLOBALS['ecs']->table('snatch_log') . ' AS lg '.
            ' LEFT JOIN ' . $GLOBALS['ecs']->table('users') . ' AS u ON lg.user_id = u.user_id'.
            " WHERE lg.snatch_id = '$id'".
            ' GROUP BY lg.bid_price' .
            ' ORDER BY num ASC, lg.bid_price ASC, lg.bid_time ASC LIMIT 1';
    $rec = $GLOBALS['db']->GetRow($sql);

    if ($rec)
    {
        $rec['bid_time']  = local_date($GLOBALS['_CFG']['time_format'], $rec['bid_time']);
        $rec['formated_bid_price'] = price_format($rec['bid_price'], false);

        /* 活动信息 */
        $sql = 'SELECT ext_info " .
               " FROM ' . $GLOBALS['ecs']->table('goods_activity') .
               " WHERE act_id= '$id' AND act_type=" . GAT_SNATCH.
               " LIMIT 1";
        $row = $GLOBALS['db']->getOne($sql);
        $info = unserialize($row);

        if (!empty($info['max_price']))
        {
            $rec['buy_price'] = ($rec['bid_price'] > $info['max_price']) ? $info['max_price'] : $rec['bid_price'];
        }
        else
        {
            $rec['buy_price'] = $rec['bid_price'];
        }



        /* 检查订单 */
        $sql = "SELECT COUNT(*)" .
                " FROM " . $GLOBALS['ecs']->table('order_info') .
                " WHERE extension_code = 'snatch'" .
                " AND extension_id = '$id'" .
                " AND order_status " . db_create_in(array(OS_CONFIRMED, OS_UNCONFIRMED));

        $rec['order_count'] = $GLOBALS['db']->getOne($sql);
    }

    return $rec;
}

/**
 *  清除指定后缀的模板缓存或编译文件
 *
 * @access  public
 * @param  bool       $is_cache  是否清除缓存还是清出编译文件
 * @param  string     $ext       需要删除的文件名，不包含后缀
 *
 * @return int        返回清除的文件个数
 */
function clear_tpl_files($is_cache = true, $ext = '')
{
    $dirs = array();

    if (isset($GLOBALS['shop_id']) && $GLOBALS['shop_id'] > 0)
    {
        $tmp_dir = DATA_DIR ;
    }
    else
    {
        $tmp_dir = 'temp';
    }
    if ($is_cache)
    {
        $cache_dir = ROOT_PATH . $tmp_dir . '/caches/';
        $dirs[] = ROOT_PATH . $tmp_dir . '/query_caches/';
        $dirs[] = ROOT_PATH . $tmp_dir . '/static_caches/';
        for($i = 0; $i < 16; $i++)
        {
            $hash_dir = $cache_dir . dechex($i);
            $dirs[] = $hash_dir . '/';
        }
    }
    else
    {
        $dirs[] = ROOT_PATH . $tmp_dir . '/compiled/';
        $dirs[] = ROOT_PATH . $tmp_dir . '/compiled/admin/';
    }

    $str_len = strlen($ext);
    $count   = 0;

    foreach ($dirs AS $dir)
    {
        $folder = @opendir($dir);

        if ($folder === false)
        {
            continue;
        }

        while ($file = readdir($folder))
        {
            if ($file == '.' || $file == '..' || $file == 'index.htm' || $file == 'index.html')
            {
                continue;
            }
            if (is_file($dir . $file))
            {
                /* 如果有文件名则判断是否匹配 */
                $pos = ($is_cache) ? strrpos($file, '_') : strrpos($file, '.');

                if ($str_len > 0 && $pos !== false)
                {
                    $ext_str = substr($file, 0, $pos);

                    if ($ext_str == $ext)
                    {
                        if (@unlink($dir . $file))
                        {
                            $count++;
                        }
                    }
                }
                else
                {
                    if (@unlink($dir . $file))
                    {
                        $count++;
                    }
                }
            }
        }
        closedir($folder);
    }

    return $count;
}

/**
 * 清除模版编译文件
 *
 * @access  public
 * @param   mix     $ext    模版文件名， 不包含后缀
 * @return  void
 */
function clear_compiled_files($ext = '')
{
    return clear_tpl_files(false, $ext);
}

/**
 * 清除缓存文件
 *
 * @access  public
 * @param   mix     $ext    模版文件名， 不包含后缀
 * @return  void
 */
function clear_cache_files($ext = '')
{
    return clear_tpl_files(true, $ext);
}

/**
 * 清除模版编译和缓存文件
 *
 * @access  public
 * @param   mix     $ext    模版文件名后缀
 * @return  void
 */
function clear_all_files($ext = '')
{
    return clear_tpl_files(false, $ext) + clear_tpl_files(true,  $ext);
}

/**
 * 页面上调用的js文件
 *
 * @access  public
 * @param   string      $files
 * @return  void
 */
function smarty_insert_scripts($args)
{
    static $scripts = array();

    $arr = explode(',', str_replace(' ','',$args['files']));

    $str = '';
    foreach ($arr AS $val)
    {
        if (in_array($val, $scripts) == false)
        {
            $scripts[] = $val;
            if ($val{0} == '.')
            {
                $str .= '<script type="text/javascript" src="' . $val . '"></script>';
            }
            else
            {
                $str .= '<script type="text/javascript" src="js/' . $val . '"></script>';
            }
        }
    }

    return $str;
}

/**
 * 创建分页的列表
 *
 * @access  public
 * @param   integer $count
 * @return  string
 */
function smarty_create_pages($params)
{
    extract($params);

    $str = '';
    $len = 10;

    if (empty($page))
    {
        $page = 1;
    }

    if (!empty($count))
    {
        $step = 1;
        $str .= "<option value='1'>1</option>";

        for ($i = 2; $i < $count; $i += $step)
        {
            $step = ($i >= $page + $len - 1 || $i <= $page - $len + 1) ? $len : 1;
            $str .= "<option value='$i'";
            $str .= $page == $i ? " selected='true'" : '';
            $str .= ">$i</option>";
        }

        if ($count > 1)
        {
            $str .= "<option value='$count'";
            $str .= $page == $count ? " selected='true'" : '';
            $str .= ">$count</option>";
        }
    }

    return $str;
}

/**
 * 重写 URL 地址
 *
 * @access  public
 * @param   string  $app    执行程序
 * @param   array   $params 参数数组
 * @param   string  $append 附加字串
 * @param   integer $page   页数
 * @return  void
 */
function build_uri($app, $params, $append = '', $page = 0, $size = 0)
{
    static $rewrite = NULL;

    if ($rewrite === NULL)
    {
        $rewrite = intval($GLOBALS['_CFG']['rewrite']);
    }

    $args = array('cid'   => 0,
                  'gid'   => 0,
                  'bid'   => 0,
                  'acid'  => 0,
                  'aid'   => 0,
                  'sid'   => 0,
                  'gbid'  => 0,
                  'auid'  => 0,
                  'sort'  => '',
                  'order' => '',
                );

    extract(array_merge($args, $params));

    $uri = '';
    switch ($app)
    {
        case 'category':
            if (empty($cid))
            {
                return false;
            }
            else
            {
                if ($rewrite)
                {
                    $uri = 'category-' . $cid;
                    if (isset($bid))
                    {
                        $uri .= '-b' . $bid;
                    }
                    if (isset($price_min))
                    {
                        $uri .= '-min'.$price_min;
                    }
                    if (isset($price_max))
                    {
                        $uri .= '-max'.$price_max;
                    }
                    if (isset($filter_attr))
                    {
                        $uri .= '-attr' . urlencode($filter_attr);
                    }
                    if (!empty($page))
                    {
                        $uri .= '-' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '-' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '-' . $order;
                    }
                }
                else
                {
                    $uri = 'category.php?id=' . $cid;
                    if (!empty($bid))
                    {
                        $uri .= '&amp;brand=' . $bid;
                    }
                    if (isset($price_min))
                    {
                        $uri .= '&amp;price_min=' . $price_min;
                    }
                    if (isset($price_max))
                    {
                        $uri .= '&amp;price_max=' . $price_max;
                    }
                    if (isset($filter_attr))
                    {
                        $uri .='&amp;filter_attr=' . urlencode($filter_attr);
                    }

                    if (!empty($page))
                    {
                        $uri .= '&amp;page=' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '&amp;sort=' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '&amp;order=' . $order;
                    }
                }
            }

            break;
        case 'goods':
            if (empty($gid))
            {
                return false;
            }
            else
            {
                $uri = $rewrite ? 'goods-' . $gid : 'goods.php?id=' . $gid;
            }

            break;
        case 'brand':
            if (empty($bid))
            {
                return false;
            }
            else
            {
                if ($rewrite)
                {
                    $uri = 'brand-' . $bid;
                    if (isset($cid))
                    {
                        $uri .= '-c' . $cid;
                    }
                    if (!empty($page))
                    {
                        $uri .= '-' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '-' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '-' . $order;
                    }
                }
                else
                {
                    $uri = 'brand.php?id=' . $bid;
                    if (!empty($cid))
                    {
                        $uri .= '&amp;cat=' . $cid;
                    }
                    if (!empty($page))
                    {
                        $uri .= '&amp;page=' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '&amp;sort=' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '&amp;order=' . $order;
                    }
                }
            }

            break;
        case 'article_cat':
            if (empty($acid))
            {
                return false;
            }
            else
            {
                if ($rewrite)
                {
                    $uri = 'article_cat-' . $acid;
                    if (!empty($page))
                    {
                        $uri .= '-' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '-' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '-' . $order;
                    }
                }
                else
                {
                    $uri = 'article_cat.php?id=' . $acid;
                    if (!empty($page))
                    {
                        $uri .= '&amp;page=' . $page;
                    }
                    if (!empty($sort))
                    {
                        $uri .= '&amp;sort=' . $sort;
                    }
                    if (!empty($order))
                    {
                        $uri .= '&amp;order=' . $order;
                    }
                }
            }

            break;
        case 'article':
            if (empty($aid))
            {
                return false;
            }
            else
            {
                $uri = $rewrite ? 'article-' . $aid : 'article.php?id=' . $aid;
            }

            break;
        case 'group_buy':
            if (empty($gbid))
            {
                return false;
            }
            else
            {
                $uri = $rewrite ? 'group_buy-' . $gbid : 'group_buy.php?act=view&amp;id=' . $gbid;
            }

            break;
        case 'auction':
            if (empty($auid))
            {
                return false;
            }
            else
            {
                $uri = $rewrite ? 'auction-' . $auid : 'auction.php?act=view&amp;id=' . $auid;
            }

            break;
        case 'snatch':
            if (empty($sid))
            {
                return false;
            }
            else
            {
                $uri = $rewrite ? 'snatch-' . $sid : 'snatch.php?id=' . $sid;
            }

            break;
        case 'search':
            break;
        default:
            return false;
            break;
    }

    if ($rewrite)
    {
        if ($rewrite == 2 && !empty($append))
        {
            $uri .= '-' . urlencode(preg_replace('/[\.|\/|\?|&|\+|\\\|\'|"|,]+/', '', $append));
        }

        $uri .= '.html';
    }
    if (($rewrite == 2) && (strpos(strtolower(EC_CHARSET), 'utf') !== 0))
    {
        $uri = urlencode($uri);
    }
    return $uri;
}

/**
 * 格式化重量：小于1千克用克表示，否则用千克表示
 * @param   float   $weight     重量
 * @return  string  格式化后的重量
 */
function formated_weight($weight)
{
    $weight = round(floatval($weight), 3);
    if ($weight > 0)
    {
        if ($weight < 1)
        {
            /* 小于1千克，用克表示 */
            return intval($weight * 1000) . $GLOBALS['_LANG']['gram'];
        }
        else
        {
            /* 大于1千克，用千克表示 */
            return $weight . $GLOBALS['_LANG']['kilogram'];
        }
    }
    else
    {
        return 0;
    }
}

/**
 * 记录帐户变动
 * @param   int     $user_id        用户id
 * @param   float   $user_money     可用余额变动
 * @param   float   $frozen_money   冻结余额变动
 * @param   int     $rank_points    等级积分变动
 * @param   int     $pay_points     消费积分变动
 * @param   string  $change_desc    变动说明
 * @param   int     $change_type    变动类型：参见常量文件
 * @return  void
 */
function log_account_change($user_id, $user_money = 0, $frozen_money = 0, $rank_points = 0, $pay_points = 0, $change_desc = '', $change_type = ACT_OTHER)
{
    /* 插入帐户变动记录 */
    $account_log = array(
        'user_id'       => $user_id,
        'user_money'    => $user_money,
        'frozen_money'  => $frozen_money,
        'rank_points'   => $rank_points,
        'pay_points'    => $pay_points,
        'change_time'   => gmtime(),
        'change_desc'   => $change_desc,
        'change_type'   => $change_type
    );
    $GLOBALS['db']->autoExecute($GLOBALS['ecs']->table('account_log'), $account_log, 'INSERT');

    /* 更新用户信息 */
    $sql = "UPDATE " . $GLOBALS['ecs']->table('users') .
            " SET user_money = user_money + ('$user_money')," .
            " frozen_money = frozen_money + ('$frozen_money')," .
            " rank_points = rank_points + ('$rank_points')," .
            " pay_points = pay_points + ('$pay_points')" .
            " WHERE user_id = '$user_id' LIMIT 1";
    $GLOBALS['db']->query($sql);
}


/**
 * 获得指定分类下的子分类的数组
 *
 * @access  public
 * @param   int     $cat_id     分类的ID
 * @param   int     $selected   当前选中分类的ID
 * @param   boolean $re_type    返回的类型: 值为真时返回下拉列表,否则返回数组
 * @param   int     $level      限定返回的级数。为0时返回所有级数
 * @return  mix
 */
function article_cat_list($cat_id = 0, $selected = 0, $re_type = true, $level = 0)
{
    static $res = NULL;

    if ($res === NULL)
    {
        $data = read_static_cache('art_cat_pid_releate');
        if ($data === false)
        {
            $sql = "SELECT c.*, COUNT(s.cat_id) AS has_children, COUNT(a.article_id) AS aricle_num ".
               ' FROM ' . $GLOBALS['ecs']->table('article_cat') . " AS c".
               " LEFT JOIN " . $GLOBALS['ecs']->table('article_cat') . " AS s ON s.parent_id=c.cat_id".
               " LEFT JOIN " . $GLOBALS['ecs']->table('article') . " AS a ON a.cat_id=c.cat_id".
               " GROUP BY c.cat_id ".
               " ORDER BY parent_id, sort_order ASC";
            $res = $GLOBALS['db']->getAll($sql);
            write_static_cache('art_cat_pid_releate', $res);
        }
        else
        {
            $res = $data;
        }
    }

    if (empty($res) == true)
    {
        return $re_type ? '' : array();
    }

    $options = article_cat_options($cat_id, $res); // 获得指定分类下的子分类的数组

    /* 截取到指定的缩减级别 */
    if ($level > 0)
    {
        if ($cat_id == 0)
        {
            $end_level = $level;
        }
        else
        {
            $first_item = reset($options); // 获取第一个元素
            $end_level  = $first_item['level'] + $level;
        }

        /* 保留level小于end_level的部分 */
        foreach ($options AS $key => $val)
        {
            if ($val['level'] >= $end_level)
            {
                unset($options[$key]);
            }
        }
    }

    $pre_key = 0;
    foreach ($options AS $key => $value)
    {
        $options[$key]['has_children'] = 1;
        if ($pre_key > 0)
        {
            if ($options[$pre_key]['cat_id'] == $options[$key]['parent_id'])
            {
                $options[$pre_key]['has_children'] = 1;
            }
        }
        $pre_key = $key;
    }

    if ($re_type == true)
    {
        $select = '';
        foreach ($options AS $var)
        {
            $select .= '<option value="' . $var['cat_id'] . '" ';
            $select .= ' cat_type="' . $var['cat_type'] . '" ';
            $select .= ($selected == $var['cat_id']) ? "selected='ture'" : '';
            $select .= '>';
            if ($var['level'] > 0)
            {
                $select .= str_repeat('&nbsp;', $var['level'] * 4);
            }
            $select .= htmlspecialchars($var['cat_name']) . '</option>';
        }

        return $select;
    }
    else
    {
        foreach ($options AS $key => $value)
        {
            $options[$key]['url'] = build_uri('article_cat', array('acid' => $value['cat_id']), $value['cat_name']);
        }
        return $options;
    }
}

/**
 * 过滤和排序所有文章分类，返回一个带有缩进级别的数组
 *
 * @access  private
 * @param   int     $cat_id     上级分类ID
 * @param   array   $arr        含有所有分类的数组
 * @param   int     $level      级别
 * @return  void
 */
function article_cat_options($spec_cat_id, $arr)
{
    static $cat_options = array();

    if (isset($cat_options[$spec_cat_id]))
    {
        return $cat_options[$spec_cat_id];
    }

    if (!isset($cat_options[0]))
    {
        $level = $last_cat_id = 0;
        $options = $cat_id_array = $level_array = array();
        while (!empty($arr))
        {
            foreach ($arr AS $key => $value)
            {
                $cat_id = $value['cat_id'];
                if ($level == 0 && $last_cat_id == 0)
                {
                    if ($value['parent_id'] > 0)
                    {
                        break;
                    }

                    $options[$cat_id]          = $value;
                    $options[$cat_id]['level'] = $level;
                    $options[$cat_id]['id']    = $cat_id;
                    $options[$cat_id]['name']  = $value['cat_name'];
                    unset($arr[$key]);

                    if ($value['has_children'] == 0)
                    {
                        continue;
                    }
                    $last_cat_id  = $cat_id;
                    $cat_id_array = array($cat_id);
                    $level_array[$last_cat_id] = ++$level;
                    continue;
                }

                if ($value['parent_id'] == $last_cat_id)
                {
                    $options[$cat_id]          = $value;
                    $options[$cat_id]['level'] = $level;
                    $options[$cat_id]['id']    = $cat_id;
                    $options[$cat_id]['name']  = $value['cat_name'];
                    unset($arr[$key]);

                    if ($value['has_children'] > 0)
                    {
                        if (end($cat_id_array) != $last_cat_id)
                        {
                            $cat_id_array[] = $last_cat_id;
                        }
                        $last_cat_id    = $cat_id;
                        $cat_id_array[] = $cat_id;
                        $level_array[$last_cat_id] = ++$level;
                    }
                }
                elseif ($value['parent_id'] > $last_cat_id)
                {
                    break;
                }
            }

            $count = count($cat_id_array);
            if ($count > 1)
            {
                $last_cat_id = array_pop($cat_id_array);
            }
            elseif ($count == 1)
            {
                if ($last_cat_id != end($cat_id_array))
                {
                    $last_cat_id = end($cat_id_array);
                }
                else
                {
                    $level = 0;
                    $last_cat_id = 0;
                    $cat_id_array = array();
                    continue;
                }
            }

            if ($last_cat_id && isset($level_array[$last_cat_id]))
            {
                $level = $level_array[$last_cat_id];
            }
            else
            {
                $level = 0;
            }
        }
        $cat_options[0] = $options;
    }
    else
    {
        $options = $cat_options[0];
    }

    if (!$spec_cat_id)
    {
        return $options;
    }
    else
    {
        if (empty($options[$spec_cat_id]))
        {
            return array();
        }

        $spec_cat_id_level = $options[$spec_cat_id]['level'];

        foreach ($options AS $key => $value)
        {
            if ($key != $spec_cat_id)
            {
                unset($options[$key]);
            }
            else
            {
                break;
            }
        }

        $spec_cat_id_array = array();
        foreach ($options AS $key => $value)
        {
            if (($spec_cat_id_level == $value['level'] && $value['cat_id'] != $spec_cat_id) ||
                ($spec_cat_id_level > $value['level']))
            {
                break;
            }
            else
            {
                $spec_cat_id_array[$key] = $value;
            }
        }
        $cat_options[$spec_cat_id] = $spec_cat_id_array;

        return $spec_cat_id_array;
    }
}

/**
 * 调用UCenter的函数
 *
 * @param   string  $func
 * @param   array   $params
 *
 * @return  mixed
 */
function uc_call($func, $params=null)
{
    restore_error_handler();
    if (!function_exists($func))
    {
        include_once(ROOT_PATH . 'uc_client/client.php');
    }

    $res = call_user_func_array($func, $params);

    set_error_handler('exception_handler');

    return $res;
}

/**
 * error_handle回调函数
 *
 * @return
 */
function exception_handler($errno, $errstr, $errfile, $errline)
{
    return;
}

/**
 * 重新获得商品图片与商品相册的地址
 *
 * @param int $goods_id 商品ID
 * @param string $image 原商品相册图片地址
 * @param boolean $thumb 是否为缩略图
 * @param string $call 调用方法(商品图片还是商品相册)
 * @param boolean $del 是否删除图片
 *
 * @return string   $url
 */
function get_image_path($goods_id, $image='', $thumb=false, $call='goods', $del=false)
{
    $url = empty($image) ? $GLOBALS['_CFG']['no_picture'] : $image;
    return $url;
}

/**
 * 调用使用UCenter插件时的函数
 *
 * @param   string  $func
 * @param   array   $params
 *
 * @return  mixed
 */
function user_uc_call($func, $params = null)
{
    if (isset($GLOBALS['_CFG']['integrate_code']) && $GLOBALS['_CFG']['integrate_code'] == 'ucenter')
    {
        restore_error_handler();
        if (!function_exists($func))
        {
            include_once(ROOT_PATH . 'includes/lib_uc.php');
        }

        $res = call_user_func_array($func, $params);

        set_error_handler('exception_handler');

        return $res;
    }
    else
    {
        return;
    }

}

?>