/upload/src/service/forum/srv/PwForumService.php

<?php

defined('WEKIT_VERSION') || exit('Forbidden');



Wind::import('SRV:forum.dm.PwForumDm');

Wind::import('SRV:forum.bo.PwForumBo');

Wind::import('SRV:forum.PwForum');



/**

 * 版块公共服务

 *

 * @author Jianmin Chen <sky_hold@163.com>

 * @license http://www.phpwind.com

 * @version $Id: PwForumService.php 24758 2013-02-20 06:55:42Z jieyin $

 * @package forum

 */



class PwForumService {

	

	protected static $_forums = null;

	protected static $_map = null;

	

	/**

	 * 获取版块列表

	 *

	 * @return array

	 */

	public function getForumList() {

		isset(self::$_forums) || self::$_forums = $this->_getForum()->getForumList();

		return self::$_forums;

	}

	

	/**

	 * 获取用户所有可以访问的版块列表

	 *

	 * @param PwUserBo $user

	 * @return array

	 */

	public function getAllowVisitForum(PwUserBo $user, $forums = null) {

		$forums === null && $forums = $this->getForumList();

		$fids = array();

		foreach ($forums as $key => $value) {

			if (!$value['allow_visit'] || $user->inGroup(explode(',', $value['allow_visit']))) {

				$fids[] = $value['fid'];

			}

		}

		return $fids;

	}

	

	/**

	 * 获取用户所有禁止访问的版块列表

	 *

	 * @param PwUserBo $user

	 * @param array $forums 版块列表

	 * @param bool $includeHide 是否包含隐藏版块

	 * @return array

	 */

	public function getForbidVisitForum(PwUserBo $user, $forums = null, $includeHide = false) {

		$forums === null && $forums = $this->getForumList();

		$fids = array();

		foreach ($forums as $key => $value) {

			if ($value['allow_visit'] && !$user->inGroup(explode(',', $value['allow_visit']))) {

				$fids[] = $value['fid'];

			} elseif ($includeHide && $value['isshow'] == 0) {

				$fids[] = $value['fid'];

			}

		}

		return $fids;

	}

	

	/**

	 * 获取指定版块的信息（使用全部版块缓存，如果没有这个前提，直接使用 forum.PwForum->fetchForum 接口比较合算）

	 *

	 * @param array $fids;

	 * @return array

	 */

	public function fetchForum($fids) {

		return Pw::subArray($this->getForumList(), $fids);

	}



	/**

	 * 获取版块层级列表

	 *

	 * @return array

	 */

	public function getForumMap() {

		if (!isset(self::$_map)) {

			$forums = $this->getForumList();

			foreach ($forums as $key => $value) {

				self::$_map[$value['parentid']][] = $value;

			}

		}

		return self::$_map;

	}

	

	/**

	 * 获取分类和版块列表（子版除外）

	 *

	 * @return array

	 */

	public function getCommonForumList($fetchmode = PwForum::FETCH_MAIN) {

		$forumdb = array(0 => array());

		$forumList = $this->_getForum()->getCommonForumList($fetchmode);

		foreach ($forumList as $forums) {

			if (!$forums['isshow']) continue;

			if ($forums['type'] === 'forum') {

				$forumdb[$forums['parentid']][$forums['fid']] = $forums;

			} elseif ($forums['type'] === 'category') {

				$forumdb[0][$forums['fid']] = $forums;

			}

		}

		return $forumdb;

	}

	

	/**

	 * 根据层级列表，递归获取链级列表

	 *

	 * @param int $parentid 获取该版的所属

	 * @param array $map 版块层级列表

	 * @return array

	 */

	public function getForumsByLevel($parentid, $map) {

		if (!isset($map[$parentid])) return array();

		$length = count($map[$parentid]);

		$array = array();

		foreach ($map[$parentid] as $key => $value) {

			if ($key == $length-1) $value['isEnd'] = 1;

			$array[] = $value;

			$array = array_merge($array, $this->getForumsByLevel($value['fid'], $map));

		}

		return $array;

	}

	

	/**

	 * 根据层级列表，递归获取链级列表

	 *

	 * @param int $parentid 获取该版的所属

	 * @param array $map 版块层级列表

	 * @return array

	 */

	public function findOptionInMap($parentid, $map, $lang = array()) {

		if (!isset($map[$parentid])) return array();

		$result = array();

		foreach ($map[$parentid] as $key => $value) {

			$result[$value['fid']] = $lang[$value['type']] . $value['name'];

			$result += $this->findOptionInMap($value['fid'], $map, $lang);

		}

		return $result;

	}

	

	/**

	 * 获取版块的select/option

	 *

	 * @param mixed $selected 选中的fid序列

	 * @return string option的html

	 */

	public function getForumOption($selected = array()) {

		is_array($selected) || $selected = array($selected);

		$map = $this->getForumMap();

		$option_html = '';

		$option_arr = $this->findOptionInMap(0, $map, array(

			'category' => '&gt;&gt; ',

			'forum' => ' &nbsp;|- ',

			'sub' => ' &nbsp; &nbsp;|-  ',

			'sub2' => '&nbsp;&nbsp; &nbsp; &nbsp;|-  '

		));

		foreach ($option_arr as $key => $value) {

			$option_html .= '<option value="' . $key . '"' . (in_array($key, $selected) ? ' selected' : '') . '>' . strip_tags($value) . '</option>';

		}

		return $option_html;

	}

	

	/**

	 * 获取上级版块id序列

	 *

	 * @param int $fid 版块id

	 * @return array

	 */

	public function getParentFids($fid) {

		$forums = $this->getForumList();

		$upfids = array();

		$fid = $forums[$fid]['parentid'];

		while (in_array($forums[$fid]['type'], array('sub2','sub','forum'))) {

			$upfids[] = $fid;

			$fid = $forums[$fid]['parentid'];

		}

		return $upfids;

	}

	

	/** 

	 * 获取分类id

	 *

	 * @param int $fid

	 * @return int

	 */

	public function getCateId($fid) {

		$forum = $this->_getForum()->getForum($fid);

		if ($forum['type'] == 'category') return $fid;

		$array = explode(',', $forum['fup']);

		return array_pop($array);

	}

	

	/**

	 * 获取用户加入的版块列表

	 *

	 * @param int $uid

	 * @return array

	 */

	public function getJoinForum($uid) {

		if ($result = Wekit::load('forum.PwForumUser')->getFroumByUid($uid)) {

			$array = array();

			$tmp = Wekit::load('forum.PwForum')->fetchForum(array_keys($result));

			foreach ($tmp as $key => $value) {

				$array[$value['fid']] = $value['name'];

			}

			return $array;

		}

		return array();

	}



	/**

	 * 重新统计本版及上级版块的帖子统计数

	 *

	 * @param mixed $forum (int fid | object PwForumBo)

	 * @return void

	 */

	public function updateForumStatistics($forum) {

		if (!$forum instanceof PwForumBo) {

			$forum = new PwForumBo($forum);

		}

		if (!$forum->isForum()) return false;

		$service = $this->_getForum();

		$service->updateForumStatistics($forum->fid);

		if ($fids = $forum->getParentFids()) {

			foreach ($fids as $fid) {

				$service->updateForumStatistics($fid);

			}

		}

	}



	/**

	 * 更新版块帖子统计数

	 *

	 * @param mixed $forum int 版块fid | object PwForumBo

	 * @param int $topic 主题更新数

	 * @param int $replies 回复更新数

	 * @param int $tpost 今日发帖更新数

	 * @param int $lastinfo 

	 * @return void

	 */

	public function updateStatistics($forum, $topic, $replies, $tpost = 0, $lastinfo = array()) {

		if (!$forum instanceof PwForumBo) {

			$forum = new PwForumBo($forum);

		}

		if (!$forum->isForum()) return false;

		$article = $topic + $replies;

		$dm = new PwForumDm($forum->fid);

		$dm->addThreads($topic)->addPosts($replies)->addArticle($article)->addTodayPosts($tpost);

		if ($lastinfo) {

			!isset($lastinfo['time']) && $lastinfo['time'] = Pw::getTime();

			$dm->setLastpostInfo($lastinfo['tid'], Pw::substrs($lastinfo['subject'], 26, 0, true), $lastinfo['username'], $lastinfo['time']);

		}

		$service = $this->_getForum();

		$service->updateForum($dm, PwForum::FETCH_STATISTICS);



		if ($fids = $forum->getParentFids()) {

			$dm = new PwForumDm(true);

			$dm->addArticle($article)->addSubThreads($topic)->addTodayPosts($tpost);

			if ($lastinfo && $forum->isOpen()) {

				$dm->setLastpostInfo($lastinfo['tid'], Pw::substrs($lastinfo['subject'], 26, 0, true), $lastinfo['username'], $lastinfo['time']);

			}

			$service->batchUpdateForum($fids, $dm, PwForum::FETCH_STATISTICS);

		}

		return true;

	}



	protected function _getForum() {

		return Wekit::load('forum.PwForum');

	}

}