<?php

/**
 * 取得拍卖活动数量
 * @return  int
 */
function auction_count()
{
    $now = gmtime();
    $sql = "SELECT COUNT(*) " .
        "FROM " . $GLOBALS['ecs']->table('goods_activity') .
        "WHERE act_type = '" . GAT_AUCTION . "' " .
        "AND start_time <= '$now' AND end_time >= '$now' AND is_finished < 2";

    return $GLOBALS['db']->getOne($sql);
}

/**
 * 取得某页的拍卖活动
 * @param   int $size 每页记录数
 * @param   int $page 当前页
 * @return  array
 */
function auction_list($size, $page)
{
    $auction_list = array();
    $auction_list['finished'] = $auction_list['finished'] = array();

    $now = gmtime();
    $sql = "SELECT a.*, IFNULL(g.goods_thumb, '') AS goods_thumb " .
        "FROM " . $GLOBALS['ecs']->table('goods_activity') . " AS a " .
        "LEFT JOIN " . $GLOBALS['ecs']->table('goods') . " AS g ON a.goods_id = g.goods_id " .
        "WHERE a.act_type = '" . GAT_AUCTION . "' " .
        "AND a.start_time <= '$now' AND a.end_time >= '$now' AND a.is_finished < 2 ORDER BY a.act_id DESC";
    $res = $GLOBALS['db']->selectLimit($sql, $size, ($page - 1) * $size);
    foreach ($res as $row) {
        $ext_info = unserialize($row['ext_info']);
        $auction = array_merge($row, $ext_info);
        $auction['status_no'] = auction_status($auction);

        $auction['start_time'] = local_date($GLOBALS['_CFG']['time_format'], $auction['start_time']);
        $auction['end_time'] = local_date($GLOBALS['_CFG']['time_format'], $auction['end_time']);
        $auction['formated_start_price'] = price_format($auction['start_price']);
        $auction['formated_end_price'] = price_format($auction['end_price']);
        $auction['formated_deposit'] = price_format($auction['deposit']);
        $auction['goods_thumb'] = get_image_path($row['goods_thumb'], true);
        $auction['url'] = build_uri('auction', array('auid' => $auction['act_id']));

        if ($auction['status_no'] < 2) {
            $auction_list['under_way'][] = $auction;
        } else {
            $auction_list['finished'][] = $auction;
        }
    }

    $auction_list = @array_merge($auction_list['under_way'], $auction_list['finished']);

    return $auction_list;
}