<?php

/**
 * ECSHOP WAP首页
 * ============================================================================
 * * 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。
 * 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: goods_list.php 15013 2008-10-23 09:31:42Z testyang $
*/

define('IN_ECS', true);

require(dirname(__FILE__) . '/includes/init.php');

$type = !empty($_GET['type']) ? $_GET['type'] : 'best';
if ($type != 'best' && $type != 'promote' && $type != 'hot' && $type != 'new')
{
	$type = 'best';
}
$smarty->assign('type', $type);

if (empty($_GET['order_price']))
{
	$order_rule = 'ORDER BY shop_price ASC, g.last_update DESC';
}
else
{
	$order_rule = 'ORDER BY shop_price DESC, g.last_update DESC';
}

if ($type == 'promote')
{
	$goods = wap_get_promote_goods($order_rule);
}
else
{
	$goods = wap_get_recommend_goods($type, $order_rule);
}

$num = count($goods);
if ($num > 0)
{
	foreach ($goods as $key => $data)
	{
		$sort_array[$data['id']] = $key;
	}
	$page_num = '10';
	$page = !empty($_GET['page']) ? intval($_GET['page']) : 1;
	$pages = ceil($num / $page_num);
	if ($page <= 0)
	{
		$page = 1;
	}
	if ($pages == 0)
	{
		$pages = 1;
	}
	if ($page > $pages)
	{
		$page = $pages;
	}
	$i = 1;
	foreach ($sort_array as $goods_key)
	{
		if (($i > ($page_num * ($page - 1 ))) && ($i <= ($page_num * $page)))
		{
			$price = empty($goods[$goods_key]['promote_price_org']) ? $goods[$goods_key]['shop_price'] : $goods[$goods_key]['promote_price'];
			//$wml_data .= "<a href='goods.php?id={}'>".encode_output($goods[$goods_key]['name'])."</a>[".encode_output($price)."]<br/>";
			$goods_data[] = array('i' => $i , 'price' => encode_output($price) , 'id' => $goods[$goods_key]['id'] , 'name' => encode_output($goods[$goods_key]['name']), 'thumb' => $goods[$goods_key]['thumb']);//16:43 2013-07-16
		}
		$i++;
	}
	$smarty->assign('goods_data', $goods_data);
	$pagebar = get_wap_pager($num, $page_num, $page, 'goods_list.php?type='.$type.'&order_price='.(empty($order_price)?0:$order_price), 'page');
	$smarty->assign('pagebar' , $pagebar);
}

$smarty->assign('footer', get_footer());
$smarty->display('goods_list.html');



/**
 * 获得推荐商品
 *
 * @access  public
 * @param   string	  $type	   推荐类型，可以是 best, new, hot
 * @param   string	  $order_rule	 指定商品排序规则
 * @return  array
 */
function wap_get_recommend_goods($type = '', $order_rule = '')
{
	if (!in_array($type, array('best', 'new', 'hot')))
	{
		return array();
	}

	//取不同推荐对应的商品
	static $type_goods = array();
	if (empty($type_goods[$type]))
	{
		//初始化数据
		$type_goods['best'] = array();
		$type_goods['new'] = array();
		$type_goods['hot'] = array();
		$data = read_static_cache('recommend_goods');
		if ($data === false)
		{
			$sql = 'SELECT g.goods_id, g.is_best, g.is_new, g.is_hot, g.is_promote, b.brand_name,g.sort_order ' .
			   ' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
			   ' LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .
			   ' WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND (g.is_best = 1 OR g.is_new =1 OR g.is_hot = 1)'.
			   ' ORDER BY g.sort_order, g.last_update DESC';
			$goods_res = $GLOBALS['db']->getAll($sql);
			//定义推荐,最新，热门，促销商品
			$goods_data['best'] = array();
			$goods_data['new'] = array();
			$goods_data['hot'] = array();
			$goods_data['brand'] = array();
			if (!empty($goods_res))
			{
				foreach($goods_res as $data)
				{
					if ($data['is_best'] == 1)
					{
						$goods_data['best'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['is_new'] == 1)
					{
						$goods_data['new'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['is_hot'] == 1)
					{
						$goods_data['hot'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['brand_name'] != '')
					{
						$goods_data['brand'][$data['goods_id']] = $data['brand_name'];
					}
				}
			}
			write_static_cache('recommend_goods', $goods_data);
		}
		else
		{
			$goods_data = $data;
		}

		$time = gmtime();
		$order_type = $GLOBALS['_CFG']['recommend_order'];

		//按推荐数量及排序取每一项推荐显示的商品 order_type可以根据后台设定进行各种条件显示
		static $type_array = array();
		$type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot');
		if (empty($type_array))
		{
			foreach($type2lib as $key => $data)
			{
				if (!empty($goods_data[$key]))
				{
					$data_count = count($goods_data[$key]);
					$num = $data_count ;
					if ($order_type == 0)
					{
						//usort($goods_data[$key], 'goods_sort');
						$rand_key = array_slice($goods_data[$key], 0, $num);
						foreach($rand_key as $key_data)
						{
							$type_array[$key][] = $key_data['goods_id'];
						}
					}
					else
					{
						$rand_key = array_rand($goods_data[$key], $num);
						if ($num == 1)
						{
							$type_array[$key][] = $goods_data[$key][$rand_key]['goods_id'];
						}
						else
						{
							foreach($rand_key as $key_data)
							{
								$type_array[$key][] = $goods_data[$key][$key_data]['goods_id'];
							}
						}
					}
				}
				else
				{
					$type_array[$key] = array();
				}
			}
		}

		//取出所有符合条件的商品数据，并将结果存入对应的推荐类型数组中
		$sql = 'SELECT g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price AS org_price, g.promote_price, ' .
				"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS shop_price, ".
				"promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, g.goods_img, RAND() AS rnd " .
				'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
				"LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".
				"ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ";
		$type_merge = array_merge($type_array['new'], $type_array['best'], $type_array['hot']);
		$type_merge = array_unique($type_merge);
		$sql .= ' WHERE g.goods_id ' . db_create_in($type_merge);
		$order_rule = empty($order_rule) ? ' ORDER BY g.sort_order, g.last_update DESC' : $order_rule;
		$sql .= $order_rule;

		$result = $GLOBALS['db']->getAll($sql);
		foreach ($result AS $idx => $row)
		{
			if ($row['promote_price'] > 0)
			{
				$promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);
				$goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';
			}
			else
			{
				$goods[$idx]['promote_price'] = '';
			}

			$goods[$idx]['id']		   = $row['goods_id'];
			$goods[$idx]['name']		 = $row['goods_name'];
			$goods[$idx]['brief']		= $row['goods_brief'];
			$goods[$idx]['brand_name']   = isset($goods_data['brand'][$row['goods_id']]) ? $goods_data['brand'][$row['goods_id']] : '';
			$goods[$idx]['goods_style_name']   = add_style($row['goods_name'],$row['goods_name_style']);

			$goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
											   sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
			$goods[$idx]['short_style_name']   = add_style($goods[$idx]['short_name'],$row['goods_name_style']);
			$goods[$idx]['market_price'] = price_format($row['market_price']);
			$goods[$idx]['shop_price']   = price_format($row['shop_price']);
			$goods[$idx]['thumb']		= get_image_path($row['goods_id'], $row['goods_thumb'], true);
			$goods[$idx]['goods_img']	= get_image_path($row['goods_id'], $row['goods_img']);
			$goods[$idx]['url']		  = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);
			if (in_array($row['goods_id'], $type_array['best']))
			{
				$type_goods['best'][] = $goods[$idx];
			}
			if (in_array($row['goods_id'], $type_array['new']))
			{
				$type_goods['new'][] = $goods[$idx];
			}
			if (in_array($row['goods_id'], $type_array['hot']))
			{
				$type_goods['hot'][] = $goods[$idx];
			}
		}
	}
	return $type_goods[$type];
}

/**
 * 获得促销商品
 *
 * @access  public
 * @param   string	  $order_rule	 指定商品排序规则
 * @return  array
 */
function wap_get_promote_goods($order_rule = '')
{
	$time = gmtime();

	/* 取得促销lbi的数量限制 */
	$sql = 'SELECT g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price AS org_price, g.promote_price, ' .
				"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS shop_price, ".
				"promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, goods_img, b.brand_name, " .
				"g.is_best, g.is_new, g.is_hot, g.is_promote, RAND() AS rnd " .
			'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
			'LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .
			"LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".
				"ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ".
			'WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ' .
			" AND g.is_promote = 1 AND promote_start_date <= '$time' AND promote_end_date >= '$time' ";
	$order_rule = empty($order_rule) ? 'ORDER BY g.sort_order, g.last_update DESC' : $order_rule;
	$sql .= $order_rule;
	$result = $GLOBALS['db']->getAll($sql);

	$goods = array();
	foreach ($result AS $idx => $row)
	{
		if ($row['promote_price'] > 0)
		{
			$promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);
			$goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';
		}
		else
		{
			$goods[$idx]['promote_price'] = '';
		}

		$goods[$idx]['id']		   = $row['goods_id'];
		$goods[$idx]['name']		 = $row['goods_name'];
		$goods[$idx]['brief']		= $row['goods_brief'];
		$goods[$idx]['brand_name']   = $row['brand_name'];
		$goods[$idx]['goods_style_name']   = add_style($row['goods_name'],$row['goods_name_style']);
		$goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ? sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
		$goods[$idx]['short_style_name']   = add_style($goods[$idx]['short_name'],$row['goods_name_style']);
		$goods[$idx]['market_price'] = price_format($row['market_price']);
		$goods[$idx]['shop_price']   = price_format($row['shop_price']);
		$goods[$idx]['thumb']		= get_image_path($row['goods_id'], $row['goods_thumb'], true);
		$goods[$idx]['goods_img']	= get_image_path($row['goods_id'], $row['goods_img']);
		$goods[$idx]['url']		  = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);
	}

	return $goods;
}
?>