<?php
defined('WEKIT_VERSION') || exit('Forbidden');

/**
 * 投票业务模型
 *
 * @author MingXing Sun <mingxing.sun@aliyun-inc.com>
 * @copyright 2003-2103 phpwind.com
 * @license http://www.phpwind.com
 * @version $Id: PwThreadPollBo.php 18510 2012-09-19 01:55:21Z jieyin $
 * @package poll
 */

class PwThreadPollBo {
	
	public $tid;
	public $pollid;
	
	public $info = array();

	public function __construct($tid) {
		$this->tid = $tid;
		$this->_init();
	}
	
	/**
	 * 初始化信息
	 */
	protected function _init() {
		$threadInfo = $this->_getForumThreadDs()->getThread($this->tid);
		if (!$threadInfo) return false;
		
		$pollThread = $this->_getThreadPollDs()->getPoll($this->tid);
		if (!$pollThread) return false;
		
		$this->pollid = $pollThread['poll_id'];
		$this->info = array_merge($threadInfo, $pollThread, $this->getPollInfo($this->pollid));
		
		return $this->info;
	}
		
	/**
	 * 检测信息是否初始化
	 * 
	 * @return boolean
	 */
	public function isInit() {
		return $this->info ? true : false;
	}
	
	/**
	 * 获得投票信息
	 *
	 * @param array $data
	 */
	public function getPollInfo($pollid) {
		if (!$pollid) return array();
	
		$poll = $this->_getPollDs()->getPoll($pollid);
		$poll['ismultiple'] = $poll['option_limit'] > 1 ? true : false;
		$poll['expiredday'] = $poll['expired_time'] ? ($poll['expired_time'] - $poll['created_time']) / 86400 : 0;

		$options = (array)$this->_getPollOptionDs()->getByPollid($pollid);
		
		$votedTotal = 0;
		foreach ($options as $key=>$value) {
			$options[$key]['image'] = $value['image'] ? $value['image'] : '';
			$votedTotal += $value['voted_num'];
		}
		
		$poll['optionnum'] = count($options);
		$poll['votedtotal'] = $votedTotal;
		
		return array('poll'=>$poll, 'option'=> $options);
	}
	
	public function getRegtimeLimit() {
		return $this->info['poll']['regtime_limit'] ? $this->info['poll']['regtime_limit'] : 0;
	}
	
	public function isExpired() {
		return ($this->info['poll']['expired_time'] && $this->info['poll']['expired_time'] < Pw::getTime()) ? true : false; 
	}
	
	public function check() {
		if ( ($result = $this->checkForumGroup()) !== true) {
			return $result;
		}
		
		return true;
	}
	
	public function checkForumGroup() {
		$fid = $this->info['fid'];
		if (!$fid) return new PwError('BBS:forum.thread.exists.not');
		Wind::import('SRV:forum.bo.PwForumBo');
		$forum = new PwForumBo($fid);
		$user = Wekit::getLoginUser();
		$forum->allowVisit($user);
		if (($result = $forum->allowVisit($user)) !== true) {
			return new PwError('BBS:forum.permissions.visit.allow', array('{grouptitle}' => $user->getGroupInfo('name')));
		}
		
		if (($result = $forum->allowRead($user)) !== true) {
			return new PwError('BBS:forum.permissions.read.allow', array('{grouptitle}' => $user->getGroupInfo('name')));
		}
		
		return true;
	}
	
    /**
     * get PwPoll
     *
     * @return PwPoll
     */
    protected function _getPollDs(){
    	return Wekit::load('poll.PwPoll');
    }
    
    /**
     * get PwPollOption
     *
     * @return PwPollOption
     */
    protected function _getPollOptionDs(){
    	return Wekit::load('poll.PwPollOption');
    }
    
    /**
     * get PwThreadPoll
     *
     * @return PwThreadPoll
     */
	protected function _getThreadPollDs() {
		return Wekit::load('poll.PwThreadPoll');
	}
	
	/**
	 * get PwThread
	 *
	 * @return PwThread
	 */
	protected function _getForumThreadDs() {
		return Wekit::load('forum.PwThread');
	}
}