<?php
/**
 * FusionForge project manager
 *
 * Copyright 1999-2000, Tim Perdue/Sourceforge
 * Copyright 2002, Tim Perdue/GForge, LLC
 * Copyright 2009, Roland Mas
 * Copyright 2013, Franck Villaume - TrivialDev
 *
 * This file is part of FusionForge. FusionForge 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 Licence, or (at your option)
 * any later version.
 *
 * FusionForge 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 FusionForge; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

require_once $gfcommon.'include/FFError.class.php';
require_once $gfcommon.'pm/ProjectGroup.class.php';

class ProjectGroupFactory extends FFError {

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

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

	/**
	 * Constructor.
	 *
	 * @param	Group	$Group	The Group object to which this ProjectGroupFactory is associated.
	 * @return	\ProjectGroupFactory
	*/
	function __construct(&$Group, $skip_check=false) {
		parent::__construct();
		if (!$Group || !is_object($Group)) {
			$this->setError(_('No Valid Group Object'));
			return;
		}
		if ($Group->isError()) {
			$this->setError('ProjectGroup: '.$Group->getErrorMessage());
			return;
		}
		if (!$skip_check && !$Group->usesPM()) {
			$this->setError(sprintf(_('%s does not use the Project Management tool'),
			    $Group->getPublicName()));
			return;
		}
		$this->Group =& $Group;
	}

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

	function &getAllProjectGroupIds() {
		$result = array();
		$res = db_query_params('SELECT group_project_id FROM project_group_list_vw WHERE group_id=$1 ORDER BY group_project_id',
					array($this->Group->getID()));
		if (!$res) {
			return $result;
		}
		while ($arr = db_fetch_array($res)) {
			$result[] = $arr['group_project_id'];
		}
		return $result;
	}

	/**
	 * getProjectGroups - get an array of ProjectGroup objects.
	 *
	 * @return	array	ProjectGroups[]	The array of ProjectGroups.
	 */
	function getProjectGroups() {
		if ($this->projectGroups) {
			return $this->projectGroups;
		}

		$this->projectGroups = array();
		$ids = $this->getAllProjectGroupIds();

		foreach ($ids as $id) {
			if (forge_check_perm('pm', $id, 'read')) {
				$this->projectGroups[] = new ProjectGroup($this->Group, $id);
			}
		}
		return $this->projectGroups;
	}

}

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