<?php
/*
 * This file is part of Mibew Messenger project.
 * 
 * Copyright (c) 2005-2011 Mibew Messenger Community
 * All rights reserved. The contents of this file are subject to the terms of
 * the Eclipse Public License v1.0 which accompanies this distribution, and
 * is available at http://www.eclipse.org/legal/epl-v10.html
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * the GNU General Public License Version 2 or later (the "GPL"), in which case
 * the provisions of the GPL are applicable instead of those above. If you wish
 * to allow use of your version of this file only under the terms of the GPL, and
 * not to allow others to use your version of this file under the terms of the
 * EPL, indicate your decision by deleting the provisions above and replace them
 * with the notice and other provisions required by the GPL.
 * 
 * Contributors:
 *    Evgeny Gryaznov - initial API and implementation
 */

function group_by_id($id)
{
	global $mysqlprefix;
	$link = connect();
	$group = select_one_row(
		"select * from ${mysqlprefix}chatgroup where groupid = $id", $link);
	close_connection($link);
	return $group;
}

function get_group_name($group)
{
	global $home_locale, $current_locale;
	if ($home_locale == $current_locale || !isset($group['vccommonname']) || !$group['vccommonname'])
		return $group['vclocalname'];
	else
		return $group['vccommonname'];
}

function setup_group_settings_tabs($gid, $active)
{
	global $page, $webimroot, $settings;
	if ($gid) {
		$page['tabs'] = array(
			getlocal("page_group.tab.main") => $active != 0 ? "$webimroot/operator/group.php?gid=$gid" : "",
			getlocal("page_group.tab.members") => $active != 1 ? "$webimroot/operator/groupmembers.php?gid=$gid" : "",
		);
	} else {
		$page['tabs'] = array();
	}
}

function get_operator_groupslist($operatorid, $link)
{
	global $settings, $mysqlprefix;
	if ($settings['enablegroups'] == '1') {
		$groupids = array(0);
		$allgroups = select_multi_assoc("select groupid from ${mysqlprefix}chatgroupoperator where operatorid = $operatorid order by groupid", $link);
		foreach ($allgroups as $g) {
			$groupids[] = $g['groupid'];
		}
		return implode(",", $groupids);
	} else {
		return "";
	}
}

function get_available_parent_groups($skipgroup)
{
	global $mysqlprefix;
	$link = connect();
	$query = "select ${mysqlprefix}chatgroup.groupid as groupid, parent, vclocalname from ${mysqlprefix}chatgroup order by vclocalname";
	$groupslist = select_multi_assoc($query, $link);
	$result = array(array('groupid' => '', 'level' => '', 'vclocalname' => getlocal("form.field.groupparent.root")));

	if ($skipgroup) {
		$skipgroup = (array)$skipgroup;
	} else {
		$skipgroup = array();
	}

	$result = array_merge($result, get_sorted_child_groups_($groupslist, $skipgroup, 0) );
	close_connection($link);
	return $result;
}

function group_has_children($groupid, $link)
{
	global $mysqlprefix;
	$children = select_one_row(sprintf("select COUNT(*) as count from ${mysqlprefix}chatgroup where parent = %u", $groupid),
					$link);
	return ($children['count'] > 0);
}

?>