<?php

/**
 * ECSHOP 会员排行统计程序
 * ============================================================================
 * 版权所有 2005-2010 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: liuhui $
 * $Id: users_order.php 17063 2010-03-25 06:35:46Z liuhui $
*/

define('IN_ECS', true);

require(dirname(__FILE__) . '/includes/init.php');
require_once(ROOT_PATH . 'includes/lib_order.php');
require_once(ROOT_PATH . 'languages/' .$_CFG['lang']. '/admin/statistic.php');
$smarty->assign('lang', $_LANG);

if (isset($_REQUEST['act']) && ($_REQUEST['act'] == 'query' ||  $_REQUEST['act'] == 'download'))
{
    /* 检查权限 */
    check_authz_json('client_flow_stats');
    if (strstr($_REQUEST['start_date'], '-') === false)
    {
        $_REQUEST['start_date'] = local_date('Y-m-d', $_REQUEST['start_date']);
        $_REQUEST['end_date'] = local_date('Y-m-d', $_REQUEST['end_date']);
    }

    if ($_REQUEST['act'] == 'download')
    {
        $user_orderinfo = get_user_orderinfo(false);
        $filename = $_REQUEST['start_date'] . '_' . $_REQUEST['end_date'] . 'users_order';

        header("Content-type: application/vnd.ms-excel; charset=GB2312");
        header("Content-Disposition: attachment; filename=$filename.xls");

        $data = "$_LANG[visit_buy]\t\n";
        $data .= "$_LANG[order_by]\t$_LANG[member_name]\t$_LANG[order_amount]\t$_LANG[buy_sum]\t\n";

        foreach ($user_orderinfo['user_orderinfo'] AS $k => $row)
        {
            $order_by = $k + 1;
            $data .= "$order_by\t$row[user_name]\t$row[order_num]\t$row[turnover]\n";
        }
        echo ecs_iconv(EC_CHARSET, 'GB2312', $data);
        exit;
    }
    $user_orderinfo = get_user_orderinfo();
    $smarty->assign('filter',         $user_orderinfo['filter']);
    $smarty->assign('record_count',   $user_orderinfo['record_count']);
    $smarty->assign('page_count',     $user_orderinfo['page_count']);
    $smarty->assign('user_orderinfo', $user_orderinfo['user_orderinfo']);

    $sort_flag  = sort_flag($user_orderinfo['filter']);
    $smarty->assign($sort_flag['tag'], $sort_flag['img']);

    make_json_result($smarty->fetch('users_order.htm'), '', array('filter' => $user_orderinfo['filter'], 'page_count' => $user_orderinfo['page_count']));

}
else
{
    /* 权限判断 */
    admin_priv('client_flow_stats');
    /* 时间参数 */
    if (!isset($_REQUEST['start_date']))
    {
        $start_date = local_strtotime('-7 days');
    }
    if (!isset($_REQUEST['end_date']))
    {
        $end_date = local_strtotime('today');
    }

    /* 取得会员排行数据 */
    $user_orderinfo = get_user_orderinfo();

    /* 赋值到模板 */
    $smarty->assign('ur_here',      $_LANG['report_users']);
    $smarty->assign('action_link',  array('text' => $_LANG['download_amount_sort'],
    'href'=>"#download"));
    $smarty->assign('filter',           $user_orderinfo['filter']);
    $smarty->assign('record_count',     $user_orderinfo['record_count']);
    $smarty->assign('page_count',       $user_orderinfo['page_count']);
    $smarty->assign('user_orderinfo', $user_orderinfo['user_orderinfo']);
    $smarty->assign('full_page',        1);
    $smarty->assign('start_date',     local_date('Y-m-d', $start_date));
    $smarty->assign('end_date',       local_date('Y-m-d', $end_date));
    $smarty->assign('sort_order_num',   '<img src="images/sort_desc.gif">');
    /* 页面显示 */
    assign_query_info();
    $smarty->display('users_order.htm');
}


/*------------------------------------------------------ */
//--会员排行需要的函数
/*------------------------------------------------------ */
/*
 * 取得会员订单量/购物额排名统计数据
 * @param   bool  $is_pagination  是否分页
 * @return  array   取得会员订单量/购物额排名统计数据
 */
 function get_user_orderinfo($is_pagination = true)
 {
    global $db, $ecs, $start_date, $end_date;

    $filter['start_date'] = empty($_REQUEST['start_date']) ? $start_date : local_strtotime($_REQUEST['start_date']);
    $filter['end_date'] = empty($_REQUEST['end_date']) ? $end_date : local_strtotime($_REQUEST['end_date']);
    $filter['sort_by'] = empty($_REQUEST['sort_by']) ? 'order_num' : trim($_REQUEST['sort_by']);
    $filter['sort_order'] = empty($_REQUEST['sort_order']) ? 'DESC' : trim($_REQUEST['sort_order']);
    
    $where = "WHERE u.user_id = o.user_id ".
             "AND u.user_id > 0 " . order_query_sql('finished', 'o.');
    if ($filter['start_date'])
    {
        $where .= " AND o.add_time >= '" . $filter['start_date'] . "'";
    }
    if ($filter['end_date'])
    {
        $where .= " AND o.add_time <= '" . $filter['end_date'] . "'";
    }

    $sql = "SELECT count(distinct(u.user_id)) FROM " .$ecs->table('users')." AS u, ".$ecs->table('order_info')." AS o " .$where;
    $filter['record_count'] = $GLOBALS['db']->getOne($sql);
    /* 分页大小 */
    $filter = page_and_size($filter);
    
    /* 计算订单各种费用之和的语句 */
    $total_fee = " SUM(" . order_amount_field() . ") AS turnover ";

    $sql = "SELECT u.user_id, u.user_name, COUNT(*) AS order_num, " .$total_fee.
               "FROM ".$ecs->table('users')." AS u, ".$ecs->table('order_info')." AS o " .$where .
               " GROUP BY u.user_id"." ORDER BY " . $filter['sort_by'] . " " . $filter['sort_order'];
    if ($is_pagination)
    {
        $sql .= " LIMIT " . $filter['start'] . ', ' . $filter['page_size'];
    }
    $user_orderinfo = array();
    $res = $db->query($sql);

    while ($items = $db->fetchRow($res))
    {
        $items['turnover'] = price_format($items['turnover']);
        $user_orderinfo[] = $items;
    }
    $arr = array('user_orderinfo' => $user_orderinfo, 'filter' => $filter, 'page_count' => $filter['page_count'], 'record_count' => $filter['record_count']);
    return $arr;
}

?>