<?php

require_once dirname(__FILE__). '/component_abstract.pls.php';
/**
 * 明星推荐列表
 * @author yaoying
 * @version $Id: component_2.pls.php 17921 2011-08-21 04:49:59Z yaoying $
 * 
 */
class component_2_pls extends component_abstract_pls
{
	
	function run($mod)
	{
		parent::run($mod);
		
		//取缓存
		$isLogin   = USER::isUserLogin();
		$cacheTime = V('-:tpl/cache_time/pagelet_component2');
		$dataTime  = $isLogin ? "g/$cacheTime" : FALSE;
		$cacheKey  = $isLogin ? FALSE : "component2#".md5( serialize($mod) );
		if(ENABLE_CACHE && $cacheKey && ($content=CACHE::get($cacheKey)) ) 
		{
		    echo $content; return;
		}
		
		
		$ret = DR('components/star.get', $dataTime, $mod['param']);
		if ($ret['errno']) {
			$this->_error(L('pls__component2__star__apiError', $ret['err'], $ret['errno']));
			//$this->_error('components/star.get 返回API错误：'. $ret['err']. '('. $ret['errno']. ')');
			return;
	 	}elseif(empty($ret['rst'])){
			$this->_error(L('pls__component2__star__dbError'));
			return;
	 	}elseif(!is_array($ret['rst'])){
			$this->_error(L('pls__component2__star__Error'));
			return;
	 	}
	 	
		$followedList = $this->_generateFollowedList($ret['rst']);
		
		
		// 设置缓存
		$content = TPL::module('component/component_'.$mod['component_id'], array('mod'=>$mod, 'rs'=>$ret['rst'], 'followedList'=>$followedList), false);
		if (ENABLE_CACHE && $cacheKey && $content) {
			CACHE::set($cacheKey, $content, $cacheTime);
		}
		
		echo $content; return;
	}
	
	
	/**
	 * 生成本组件内的用户rst数组资源内已经关注的用户数组，类型为：
	 * <pre>
	 * array((string)已关注用户id1 => 1, (string)已关注用户id2 => 1, ......);
	 * </pre>
	 * 模板内可通过以下方法判断用户是否已经关注了某用户：
	 * <pre>
	 * isset($followedList[(string)$user['id']]);
	 * array_key_exists((string)$user['id'], $followedList);
	 * </pre>
	 * @param array $rst 本组件内生成的用户rst数组资源
	 * @return array
	 */
	function _generateFollowedList($rst){
		$uid = USER::uid();
		$flw = $followedList = array();
		if ($uid) {
			$flRet = DR ( 'xweibo/xwb.getFriendIds', 'p1', $uid, null, null, null, 2000 );
			$flw = ($flRet ['errno'] == 0) ? (array)$flRet['rst'] : array();
		}
		if(empty($flw)){
			return $followedList;
		}
		
		foreach ($rst as $star) {
			$star['uid'] = isset($star['uid']) ? $star['uid'] : $star['id'];
			if(in_array($star['uid'], $flw['ids'])){
				$followedList[(string)$star['uid']] = 1;
			}
		}
		
		return $followedList;
		
	}
	
	
}
