forumfactory.class

GForge 3.0 协作开发平台 支持CVS, mailing lists, bug tracking, message boards/forums, task management, perman

<?php
/**
 * GForge Forums Facility
 *
 * Copyright 2002 GForge, LLC
 * http://gforge.org/
 *
 * @version   $Id: ForumFactory.class,v 1.6 2003/02/12 17:23:47 bigdisk Exp $
 *
 * This file is part of GForge.
 *
 * GForge is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GForge is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GForge; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


/*
	Message Forums
	By Tim Perdue, Sourceforge, 11/99

	Massive rewrite by Tim Perdue 7/2000 (nested/views/save)

	Complete OO rewrite by Tim Perdue 12/2002
*/


require_once('common/include/Error.class');
require_once('common/forum/Forum.class');

class ForumFactory extends Error {

	/**
	 * The Group object.
	 *
	 * @var	 object  $Group.
	 */
	var $Group;

	/**
	 * The forums array.
	 *
	 * @var	 array	forums.
	 */
	var $forums;

	/**
	 *  Constructor.
	 *
	 *	@param	object	The Group object to which this forum is associated.
	 */
	function ForumFactory(&$Group) {
		global $Language;
		$this->Error();
		if (!$Group || !is_object($Group)) {
			$this->setError($Language->getText('forum','error_no_valid_group_object'));
			return false;
		}
		if ($Group->isError()) {
			$this->setError($Language->getText('forum','forum').':: '.$Group->getErrorMessage());
			return false;
		}
		$this->Group =& $Group;

		return true;
	}

	/**
	 *	getGroup - get the Group object this ForumFactory is associated with.
	 *
	 *	@return object	The Group object.
	 */
	function &getGroup() {
		return $this->Group;
	}

	/**
	 *	getForums - get an array of Forum objects for this Group.
	 *
	 *	@return	array	The array of Forum objects.
	 */
	function &getForums() {
		global $Language;
		if ($this->forums) {
			return $this->forums;
		}
		if (session_loggedin()) {
			$perm =& $this->Group->getPermission( session_get_user() );
			if (!$perm || !is_object($perm) || !$perm->isMember()) {
				$public_flag='=1';
			} else {
				$public_flag='<3';
			}
		} else {
			$public_flag='=1';
		}

		$sql="SELECT *
			FROM forum_group_list_vw
			WHERE group_id='". $this->Group->getID() ."' 
			AND is_public $public_flag 
			ORDER BY group_forum_id;";

		$result = db_query ($sql);

		$rows = db_numrows($result);

		if (!$result || $rows < 1) {
			$this->setError($Language->getText('forum_common_forumfactory','error_no_forums_found').db_error());
			return false;
		} else {
			while ($arr = db_fetch_array($result)) {
				$this->forums[] = new Forum($this->Group, $arr['group_forum_id'], $arr);
			}
		}
		return $this->forums;
	}

}

?>