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<?php
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/**
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* shop 商品比较程序
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* ============================================================================
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* * 版权所有 2005-2012 上海商派网络科技有限公司，并保留所有权利。
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* 网站地址: http://www.shop.com；
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* ----------------------------------------------------------------------------
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* 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
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* 使用；不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* $Author: wayne $
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* $Id: compare.php 17217 2011-01-19 06:29:08Z wayne $
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*/
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define('IN_ASC', true);
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require(dirname(__FILE__) . '/includes/init.php');
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if (!empty($_REQUEST['goods']) && is_array($_REQUEST['goods']) && count($_REQUEST['goods']) > 1)
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{
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foreach ($_REQUEST['goods'] as $key=>$val)
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{
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$_REQUEST['goods'][$key]=intval($val);
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}
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$where = db_create_in($_REQUEST['goods'], 'id_value');
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$sql = "SELECT id_value , AVG(comment_rank) AS cmt_rank, COUNT(*) AS cmt_count" .
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" FROM " .$ecs->table('comment') .
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" WHERE $where AND comment_type = 0".
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' GROUP BY id_value ';
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$query = $db->query($sql);
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$cmt = array();
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while ($row = $db->fetch_array($query))
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{
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$cmt[$row['id_value']] = $row;
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}
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$where = db_create_in($_REQUEST['goods'], 'g.goods_id');
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$sql = "SELECT g.goods_id, g.goods_type, g.goods_name, g.shop_price, g.goods_weight, g.goods_thumb, g.goods_brief, ".
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"a.attr_name, v.attr_value, a.attr_id, b.brand_name, ".
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"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS rank_price " .
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"FROM " .$ecs->table('goods'). " AS g ".
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"LEFT JOIN " . $ecs->table('goods_attr'). " AS v ON v.goods_id = g.goods_id ".
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"LEFT JOIN " . $ecs->table('attribute') . " AS a ON a.attr_id = v.attr_id " .
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"LEFT JOIN " . $ecs->table('brand') . " AS b ON g.brand_id = b.brand_id " .
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"LEFT JOIN " . $ecs->table('member_price') . " AS mp ".
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"ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ".
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"WHERE g.is_delete = 0 AND $where ".
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"ORDER BY a.attr_id";
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$res = $db->query($sql);
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$arr = array();
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$ids = $_REQUEST['goods'];
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$attr_name = array();
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$type_id = 0;
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while ($row = $db->fetchRow($res))
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{
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$goods_id = $row['goods_id'];
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$type_id = $row['goods_type'];
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$arr[$goods_id]['goods_id'] = $goods_id;
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$arr[$goods_id]['url'] = build_uri('goods', array('gid' => $goods_id), $row['goods_name']);
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$arr[$goods_id]['goods_name'] = $row['goods_name'];
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$arr[$goods_id]['shop_price'] = price_format($row['shop_price']);
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$arr[$goods_id]['rank_price'] = price_format($row['rank_price']);
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$arr[$goods_id]['goods_weight'] = (intval($row['goods_weight']) > 0) ?
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ceil($row['goods_weight']) . $_LANG['kilogram'] : ceil($row['goods_weight'] * 1000) . $_LANG['gram'];
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$arr[$goods_id]['goods_thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);
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$arr[$goods_id]['goods_brief'] = $row['goods_brief'];
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$arr[$goods_id]['brand_name'] = $row['brand_name'];
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$arr[$goods_id]['properties'][$row['attr_id']]['name'] = $row['attr_name'];
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if (!empty($arr[$goods_id]['properties'][$row['attr_id']]['value']))
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{
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$arr[$goods_id]['properties'][$row['attr_id']]['value'] .= ',' . $row['attr_value'];
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}
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else
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{
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$arr[$goods_id]['properties'][$row['attr_id']]['value'] = $row['attr_value'];
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}
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if (!isset($arr[$goods_id]['comment_rank']))
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{
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$arr[$goods_id]['comment_rank'] = isset($cmt[$goods_id]) ? ceil($cmt[$goods_id]['cmt_rank']) : 0;
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$arr[$goods_id]['comment_number'] = isset($cmt[$goods_id]) ? $cmt[$goods_id]['cmt_count'] : 0;
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$arr[$goods_id]['comment_number'] = sprintf($_LANG['comment_num'], $arr[$goods_id]['comment_number']);
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}
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$tmp = $ids;
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$key = array_search($goods_id, $tmp);
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if ($key !== null && $key !== false)
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{
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unset($tmp[$key]);
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}
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$arr[$goods_id]['ids'] = !empty($tmp) ? "goods[]=" . implode('&goods[]=', $tmp) : '';
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}
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$sql = "SELECT attr_id,attr_name FROM " . $ecs->table('attribute') . " WHERE cat_id='$type_id' ORDER BY attr_id";
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$attribute = array();
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$query = $db->query($sql);
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while ($rt = $db->fetch_array($query))
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{
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$attribute[$rt['attr_id']] = $rt['attr_name'];
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}
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$smarty->assign('attribute', $attribute);
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$smarty->assign('goods_list', $arr);
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}
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else
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{
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show_message($_LANG['compare_no_goods']);
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exit;
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}
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assign_template();
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$position = assign_ur_here(0, $_LANG['goods_compare']);
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$smarty->assign('page_title', $position['title']); // 页面标题
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$smarty->assign('ur_here', $position['ur_here']); // 当前位置
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$smarty->assign('categories', get_categories_tree()); // 分类树
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$smarty->assign('helps', get_shop_help()); // 网店帮助
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assign_dynamic('compare');
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$smarty->display('compare.dwt');
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?>
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