<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
 * SugarCRM is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004 - 2007 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program 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
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/
/*********************************************************************************

 * Description:	 TODO: To be written.
 * Portions created by SugarCRM are Copyright(C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________..
 ********************************************************************************/

require_once('data/SugarBean.php');
require_once('modules/Contacts/Contact.php');
require_once('modules/Users/User.php');
require_once('modules/Calendar/DateTimeUtil.php');
// Meeting is used to store customer information.
class Meeting extends SugarBean {
	// Stored fields
	var $id;
	var $date_entered;
	var $date_modified;
	var $assigned_user_id;
	var $modified_user_id;
	var $created_by;
	var $created_by_name;
	var $modified_by_name;



	var $description;
	var $name;
	var $location;
	var $status;
	var $date_start;
	var $time_start;
	var $date_end;
	var $duration_hours;
	var $duration_minutes;
	var $time_meridiem;
	var $parent_type;
	var $parent_type_options;
	var $parent_id;
	var $field_name_map;
	var $contact_id;
	var $user_id;
	var $reminder_time;
	var $reminder_checked;
	var $required;
	var $accept_status;
	var $parent_name;
	var $contact_name;
	var $contact_phone;
	var $contact_email;
	var $account_id;
	var $opportunity_id;
	var $case_id;
	var $assigned_user_name;
	var $outlook_id;




	var $update_vcal = true;
	var $contacts_arr;
	var $users_arr;
	// when assoc w/ a user/contact:
	var $default_meeting_name_values = array('Follow-up on proposal', 'Initial discussion', 'Review needs', 'Discuss pricing', 'Demo', 'Introduce all players',);
	var $minutes_value_default = 15;
	var $minutes_values = array('0'=>'00','15'=>'15','30'=>'30','45'=>'45');
	var $table_name = "meetings";
	var $rel_users_table = "meetings_users";
	var $rel_contacts_table = "meetings_contacts";
	var $module_dir = "Meetings";
	var $object_name = "Meeting";

	// This is used to retrieve related fields from form posts.
	var $additional_column_fields = array('assigned_user_name', 'assigned_user_id', 'contact_id', 'user_id', 'contact_name', 'accept_status');
	var $relationship_fields = array('account_id'=>'account','opportunity_id'=>'opportunity','case_id'=>'case',
									 'assigned_user_id'=>'users','contact_id'=>'contacts', 'user_id'=>'users');
	// so you can run get_users() twice and run query only once
	var $cached_get_users = null;
	var $new_schema = true;

	/**
	 * sole constructor
	 */
	function Meeting() {
		parent::SugarBean();
		$this->setupCustomFields('Meetings');
		foreach($this->field_defs as $field) {
			$this->field_name_map[$field['name']] = $field;
		}






//		$this->fill_in_additional_detail_fields();
	}

	/**
	 * Stub for integration
	 * @return bool
	 */
	function hasIntegratedMeeting() {
		return false;
	}

	// save date_end by calculating user input
	// this is for calendar
	function save($check_notify = FALSE) {
		require_once('modules/vCals/vCal.php');
		global $timedate;
		global $current_user;
		global $disable_date_format;

		if(isset($this->date_start)
			&& isset($this->duration_hours)
			&& isset($this->duration_minutes))
		{
			$date_start_in_db_fmt=$timedate->swap_formats($this->date_start, $timedate->get_date_time_format(true, $current_user),  $timedate->get_db_date_time_format());
			$date_start_array=split(" ",trim($date_start_in_db_fmt));
			$date_time_start =DateTimeUtil::get_time_start($date_start_array[0],$date_start_array[1]);

			$date_start_timestamp=mktime($date_time_start->hour,$date_time_start->min,$date_time_start->sec,$date_time_start->month,$date_time_start->day);
			$date_start_timestamp+= (( $this->duration_hours * 3600 )+ ($this->duration_minutes * 60));

			$this->date_end=date ($timedate->get_date_time_format(true, $current_user),$date_start_timestamp);
			// Need to convert it to the db date right here so that we don't miss the time calculation
			$this->date_end = $timedate->to_db_date($this->date_end);
			if(empty($disable_date_format)){
				$this->date_end = $timedate->swap_formats($this->date_end, $timedate->dbDayFormat, $timedate->get_date_format());
           	}
        }

		$check_notify =(!empty($_REQUEST['send_invites']) && $_REQUEST['send_invites'] == '1') ? true : false;

		if($current_user->getPreference('reminder_time')!= -1 && isset($_POST['reminder_checked']) && isset($_POST['reminder_time']) && $_POST['reminder_checked']==0  && $_POST['reminder_time']==-1){
			$this->reminder_checked = '1';
			$this->reminder_time = $current_user->getPreference('reminder_time');
		}
		parent::save($check_notify);

		if($this->update_vcal) {
			vCal::cache_sugar_vcal($current_user);
		}
	}

	// this is for calendar
	function mark_deleted($id) {
		require_once('modules/vCals/vCal.php');
		global $current_user;

		parent::mark_deleted($id);

		if($this->update_vcal) {
			vCal::cache_sugar_vcal($current_user);
		}
	}

	function get_summary_text() {
		return "$this->name";
	}

	function create_list_query($order_by, $where, $show_deleted = 0) {
		$custom_join = $this->custom_fields->getJOIN();
		$query = "SELECT ";
		$query .= "$this->table_name.*,";

		if(preg_match("/meetings_users\.user_id/",$where)) {
			$query .= "meetings_users.required, meetings_users.accept_status,";
		}

		$query .= "users.user_name as assigned_user_name ";




		// added to generate a GMT metric to compare against a locale's timezone
		/*
		if(( $this->db->dbType == 'mysql') or( $this->db->dbType == 'oci8')) {
			$query .= ", CONCAT( meetings.date_start, CONCAT(' ', meetings.time_start)) AS datetime ";
		} elseif($this->db->dbType == 'mssql') {
			$query .= ", meetings.date_start + ' ' + meetings.time_start AS datetime ";
		}
        */

		if($custom_join) {
			$query .= $custom_join['select'];
		}
		$query .= " FROM meetings ";







		if(preg_match("/meetings_users\.user_id/",$where)) {
			$query .= " LEFT JOIN meetings_users ON meetings_users.meeting_id=meetings.id and meetings_users.deleted=0 ";
		}

		$query .= " LEFT JOIN users ON meetings.assigned_user_id=users.id ";

		if($custom_join) {
			$query .= $custom_join['join'];
		}

		if(preg_match("/contacts/",$where)) {
			$query .= " LEFT JOIN meetings_contacts ON meetings.id=meetings_contacts.meeting_id LEFT JOIN contacts ON meetings_contacts.contact_id=contacts.id ";
		}

		$where_auto = '1=1';

		if($show_deleted == 0) {
			$where_auto = " meetings.deleted=0 ";
		} elseif($show_deleted == 1) {
			$where_auto = " meetings.deleted=1 ";
		}

		if($where != "")
			$query .= " WHERE $where AND ".$where_auto;
		else
			$query .= " WHERE ".$where_auto;

		if($order_by != "") {
			$query .=	" ORDER BY ". $this->process_order_by($order_by, null);
		} else {
			$query .= " ORDER BY meetings.name";
		}
		return $query;

	}


	function create_export_query(&$order_by, &$where) {
		$contact_required = ereg("contacts", $where);
		$custom_join = $this->custom_fields->getJOIN();

		if($contact_required) {
			$query = "SELECT meetings.*, contacts.first_name, contacts.last_name, contacts.assigned_user_id contact_name_owner ";



			if($custom_join) {
				$query .= $custom_join['select'];
			}
			$query .= " FROM contacts, meetings, meetings_contacts ";
			$where_auto = " meetings_contacts.contact_id = contacts.id AND meetings_contacts.meeting_id = meetings.id AND meetings.deleted=0 AND contacts.deleted=0";
		} else {
			$query = 'SELECT meetings.*';



			if($custom_join) {
				$query .= $custom_join['select'];
			}
			$query .= ' FROM meetings ';
			$where_auto = "meetings.deleted=0";
		}






		if($custom_join) {
			$query .= $custom_join['join'];
		}

		if($where != "")
			$query .= " where $where AND ".$where_auto;
		else
			$query .= " where ".$where_auto;

		if($order_by != "") {
			$query .= " ORDER BY $order_by";
		} else {
			$alternate_order_by =	$this->process_order_by($order_by, null);
			if($alternate_order_by != "")
				$query .=	" ORDER BY ". $alternate_order_by;
		}
		return $query;
	}

	function fill_in_additional_list_fields() {
		//$this->fill_in_additional_detail_fields();
		//$this->fill_in_additional_parent_fields();
	}

	function fill_in_additional_detail_fields() {
		// Fill in the assigned_user_name
		$this->assigned_user_name = get_assigned_user_name($this->assigned_user_id);




		$query	= "SELECT contacts.first_name, contacts.last_name, contacts.phone_work, contacts.id , contacts.assigned_user_id contact_name_owner FROM contacts, meetings_contacts ";
		$query .= " WHERE meetings_contacts.contact_id=contacts.id AND meetings_contacts.meeting_id='$this->id' AND meetings_contacts.deleted=0 AND contacts.deleted=0";
		$result =$this->db->query($query,true," Error filling in additional detail fields: ");

		// Get the id and the name.
		$row = $this->db->fetchByAssoc($result);

		$GLOBALS['log']->info($row);

		if($row != null) {
			$this->contact_name = return_name($row, 'first_name', 'last_name');
			$this->contact_phone = $row['phone_work'];
			$this->contact_id = $row['id'];
			$this->contact_name_owner = $row['contact_name_owner'];
			$GLOBALS['log']->debug("Call($this->id): contact_name = $this->contact_name");
			$GLOBALS['log']->debug("Call($this->id): contact_phone = $this->contact_phone");
			$GLOBALS['log']->debug("Call($this->id): contact_id = $this->contact_id");
		} else {
			$this->contact_name = '';
			$this->contact_phone = '';
			$this->contact_id = '';
			$GLOBALS['log']->debug("Call($this->id): contact_name = $this->contact_name");
			$GLOBALS['log']->debug("Call($this->id): contact_phone = $this->contact_phone");
			$GLOBALS['log']->debug("Call($this->id): contact_id = $this->contact_id");
		}



		$this->created_by_name = get_assigned_user_name($this->created_by);
		$this->modified_by_name = get_assigned_user_name($this->modified_user_id);
		$this->fill_in_additional_parent_fields();

		if (!isset($this->time_hour_start)) {
			$this->time_start_hour = intval(substr($this->time_start, 0, 2));
		} //if-else

		if (isset($this->time_minute_start)) {
			$time_start_minutes = $this->time_minute_start;
		} else {
			$time_start_minutes = substr($this->time_start, 3, 5);
			if ($time_start_minutes > 0 && $time_start_minutes < 15) {
				$time_start_minutes = "15";
			} else if ($time_start_minutes > 15 && $time_start_minutes < 30) {
				$time_start_minutes = "30";
			} else if ($time_start_minutes > 30 && $time_start_minutes < 45) {
				$time_start_minutes = "45";
			} else if ($time_start_minutes > 45) {
				$this->time_start_hour += 1;
				$time_start_minutes = "00";
		    } //if-else
		} //if-else


		if (isset($this->time_hour_start)) {
			$time_start_hour = $this->time_hour_start;
		} else {
			$time_start_hour = intval(substr($this->time_start, 0, 2));
		}

		global $timedate;
        $this->time_meridiem = $timedate->AMPMMenu('', $this->time_start, 'onchange="SugarWidgetScheduler.update_time();"');
		$hours_arr = array ();
		$num_of_hours = 13;
		$start_at = 1;

		if (empty ($time_meridiem)) {
			$num_of_hours = 24;
			$start_at = 0;
		} //if

		for ($i = $start_at; $i < $num_of_hours; $i ++) {
			$i = $i."";
			if (strlen($i) == 1) {
				$i = "0".$i;
			}
			$hours_arr[$i] = $i;
		} //for

        if (!isset($this->duration_minutes)) {
			$this->duration_minutes = $this->minutes_value_default;
		}

        //setting default date and time
		if (is_null($this->date_start))
			$this->date_start = $timedate->to_display_date_time(gmdate('Y-m-d H:i:s'));
		if (is_null($this->time_start))
			$this->time_start = $timedate->to_display_time(gmdate('Y-m-d H:i:s'), true);
		if (is_null($this->duration_hours)) {
			$this->duration_hours = "0";
		}
		if (is_null($this->duration_minutes))
			$this->duration_minutes = "1";

		global $current_user;
		$reminder_t = $current_user->getPreference('reminder_time');
		if (!empty ($this->reminder_time)) {
			$reminder_t = $this->reminder_time;
		}

		global $app_list_strings, $focus;
		$parent_types = $app_list_strings['record_type_display'];
		$disabled_parent_types = ACLController::disabledModuleList($parent_types,false, 'list');
		foreach($disabled_parent_types as $disabled_parent_type){
			if($disabled_parent_type != $focus->parent_type){
				unset($parent_types[$disabled_parent_type]);
			}
		}

		$this->parent_type_options = get_select_options_with_id($parent_types, $this->parent_type);
		if (empty($this->reminder_time)) {
			$this->reminder_time = -1;
		}

		$this->reminder_checked = $this->reminder_time == -1 ? false : true;

		if (isset ($_REQUEST['parent_type'])) {
			$this->parent_type = $_REQUEST['parent_type'];
		} elseif (is_null($this->parent_type)) {
			$this->parent_type = $app_list_strings['record_type_default_key'];
		}
	}

	function fill_in_additional_parent_fields() {
		global $app_strings, $beanFiles, $beanList;

		if(!isset($beanList[$this->parent_type])) {
			$this->parent_name = '';
			return;
		}

		$beanType = $beanList[$this->parent_type];
		require_once($beanFiles[$beanType]);
		$parent = new $beanType();

		if (is_subclass_of($parent, 'Person')){
			$query = "SELECT first_name, last_name, assigned_user_id parent_name_owner from $parent->table_name where id = '$this->parent_id'";
		} else {
			$query = "SELECT name ";
			if(isset($parent->field_defs['assigned_user_id'])) {
				$query .= " , assigned_user_id parent_name_owner ";
			} else {
				$query .= " , created_by parent_name_owner ";
			}
			$query .= " from $parent->table_name where id = '$this->parent_id'";
		}
		$result = $this->db->query($query,true," Error filling in additional detail fields: ");

		// Get the id and the name.
		$row = $this->db->fetchByAssoc($result);
		if($row && !empty($row['parent_name_owner'])) {
			$this->parent_name_owner = $row['parent_name_owner'];
			$this->parent_name_mod = $this->parent_type;
		}

		if (is_subclass_of($parent, 'Person') and $row != null)
		{
			$this->parent_name = '';
			if($row['first_name'] != '') $this->parent_name .= stripslashes($row['first_name']). ' ';
			if($row['last_name'] != '') $this->parent_name .= stripslashes($row['last_name']);
		}
		elseif($row != null)
		{
			$this->parent_name = stripslashes($row['name']);
		}
		else {
			$this->parent_name = '';
		}
	}

	function get_list_view_data() {
		$meeting_fields = $this->get_list_view_array();
		global $app_list_strings, $focus, $action, $currentModule, $image_path;
		if(isset($this->parent_type))
			$meeting_fields['PARENT_MODULE'] = $this->parent_type;
		if($this->status == "Planned") {
			//cn: added this if() to deal with sequential Closes in Meetings.	this is a hack to a hack(formbase.php->handleRedirect)
			if(empty($action)) { $action = "index"; }
			$meeting_fields['SET_COMPLETE'] = "<a href='index.php?return_module=$currentModule&return_action=$action&return_id=$this->id&action=EditView&status=Held&module=Meetings&record=$this->id&status=Held'>".get_image($image_path."close_inline","alt='Close' border='0'")."</a>";
		}
		global $timedate;
		$today = gmdate('Y-m-d H:i:s', time());
		$nextday = gmdate('Y-m-d', time() + 3600*24);
		$mergeTime = $meeting_fields['DATE_START']; //$timedate->merge_date_time($meeting_fields['DATE_START'], $meeting_fields['TIME_START']);
		$date_db = $timedate->to_db($mergeTime);
		if($date_db	< $today	) {
			$meeting_fields['DATE_START']= "<font class='overdueTask'>".$meeting_fields['DATE_START']."</font>";
		}else if($date_db	< $nextday) {
			$meeting_fields['DATE_START'] = "<font class='todaysTask'>".$meeting_fields['DATE_START']."</font>";
		} else {
			$meeting_fields['DATE_START'] = "<font class='futureTask'>".$meeting_fields['DATE_START']."</font>";
		}
		$this->fill_in_additional_detail_fields();
        $meeting_fields['CONTACT_ID'] = $this->contact_id;
        $meeting_fields['CONTACT_NAME'] = $this->contact_name;

        $meeting_fields['PARENT_NAME'] = $this->parent_name;

		return $meeting_fields;
	}

	function set_notification_body($xtpl, &$meeting) {
		global $sugar_config;
		global $app_list_strings;
		global $current_user;
		global $timedate;


		// cn: bug 9494 - passing a contact breaks this call
		$notifyUser =($meeting->current_notify_user->object_name == 'User') ? $meeting->current_notify_user : $current_user;
		// cn: bug 8078 - fixed call to $timedate
		$prefDate = User::getUserDateTimePreferences($notifyUser);

		if(strtolower(get_class($meeting->current_notify_user)) == 'contact') {
			$xtpl->assign("ACCEPT_URL", $sugar_config['site_url'].
							'/acceptDecline.php?module=Meetings&contact_id='.$meeting->current_notify_user->id.'&record='.$meeting->id);
		} else {
			$xtpl->assign("ACCEPT_URL", $sugar_config['site_url'].
							'/acceptDecline.php?module=Meetings&user_id='.$meeting->current_notify_user->id.'&record='.$meeting->id);
		}
		$xtpl->assign("MEETING_TO", $meeting->current_notify_user->new_assigned_user_name);
		$xtpl->assign("MEETING_SUBJECT", trim($meeting->name));
		$xtpl->assign("MEETING_STATUS",(isset($meeting->status)? $app_list_strings['meeting_status_dom'][$meeting->status]:""));
		$xtpl->assign("MEETING_STARTDATE", $timedate->to_display_date_time($meeting->date_start,true,true,$notifyUser)." ".$prefDate['userGmt']);
		$xtpl->assign("MEETING_HOURS", $meeting->duration_hours);
		$xtpl->assign("MEETING_MINUTES", $meeting->duration_minutes);
		$xtpl->assign("MEETING_DESCRIPTION", $meeting->description);

		return $xtpl;
	}

	function get_meeting_users() {
		$template = new User();
		// First, get the list of IDs.
		$query = "SELECT meetings_users.required, meetings_users.accept_status, meetings_users.user_id from meetings_users where meetings_users.meeting_id='$this->id' AND meetings_users.deleted=0";
		$GLOBALS['log']->debug("Finding linked records $this->object_name: ".$query);
		$result = $this->db->query($query, true);
		$list = Array();

		while($row = $this->db->fetchByAssoc($result)) {
			$template = new User(); // PHP 5 will retrieve by reference, always over-writing the "old" one
			$record = $template->retrieve($row['user_id']);
			$template->required = $row['required'];
			$template->accept_status = $row['accept_status'];

			if($record != null) {
				// this copies the object into the array
				$list[] = $template;
			}
		}
		return $list;
	}

	function get_invite_meetings(&$user) {
		$template = $this;
		// First, get the list of IDs.
		$GLOBALS['log']->debug("Finding linked records $this->object_name: ".$query);
		$query = "SELECT meetings_users.required, meetings_users.accept_status, meetings_users.meeting_id from meetings_users where meetings_users.user_id='$user->id' AND( meetings_users.accept_status IS NULL OR	meetings_users.accept_status='none') AND meetings_users.deleted=0";
		$result = $this->db->query($query, true);
		$list = Array();

		while($row = $this->db->fetchByAssoc($result)) {
			$record = $template->retrieve($row['meeting_id']);
			$template->required = $row['required'];
			$template->accept_status = $row['accept_status'];


			if($record != null)
			{
			// this copies the object into the array
			$list[] = $template;
			}
		}
		return $list;
	}


	function set_accept_status(&$user,$status)
	{
		if($user->object_name == 'User')
		{
			$relate_values = array('user_id'=>$user->id,'meeting_id'=>$this->id);
			$data_values = array('accept_status'=>$status);
			$this->set_relationship($this->rel_users_table, $relate_values, true, true,$data_values);
			global $current_user;
			require_once('modules/vCals/vCal.php');
			if($this->update_vcal)
			{
				vCal::cache_sugar_vcal($user);
			}
		}
		else if($user->object_name == 'Contact')
		{
			$relate_values = array('contact_id'=>$user->id,'meeting_id'=>$this->id);
			$data_values = array('accept_status'=>$status);
			$this->set_relationship($this->rel_contacts_table, $relate_values, true, true,$data_values);
		}
	}


	function get_notification_recipients() {
		$list = array();
		if(!is_array($this->contacts_arr)) {
			$this->contacts_arr =	array();
		}

		if(!is_array($this->users_arr)) {
			$this->users_arr =	array();
		}

		foreach($this->users_arr as $user_id) {
			$notify_user = new User();
			$notify_user->retrieve($user_id);
			$notify_user->new_assigned_user_name = $notify_user->full_name;
			$GLOBALS['log']->info("Notifications: recipient is $notify_user->new_assigned_user_name");
			$list[] = $notify_user;
		}

		foreach($this->contacts_arr as $contact_id) {
			$notify_user = new Contact();
			$notify_user->retrieve($contact_id);
			$notify_user->new_assigned_user_name = $notify_user->full_name;
			$GLOBALS['log']->info("Notifications: recipient is $notify_user->new_assigned_user_name");
			$list[] = $notify_user;
		}

		return $list;
	}


	function bean_implements($interface) {
		switch($interface) {
			case 'ACL':return true;
		}
		return false;
	}

	function listviewACLHelper() {
		$array_assign = parent::listviewACLHelper();
		$is_owner = false;
		if(!empty($this->parent_name)) {

			if(!empty($this->parent_name_owner)) {
				global $current_user;
				$is_owner = $current_user->id == $this->parent_name_owner;
			}
		}

		if(!ACLController::moduleSupportsACL($this->parent_type) || ACLController::checkAccess($this->parent_type, 'view', $is_owner)) {
			$array_assign['PARENT'] = 'a';
		} else {
			$array_assign['PARENT'] = 'span';
		}

		$is_owner = false;

		if(!empty($this->contact_name)) {
			if(!empty($this->contact_name_owner)) {
				global $current_user;
				$is_owner = $current_user->id == $this->contact_name_owner;
			}
		}

		if(ACLController::checkAccess('Contacts', 'view', $is_owner)) {
			$array_assign['CONTACT'] = 'a';
		} else {
			$array_assign['CONTACT'] = 'span';
		}
		return $array_assign;
	}


	function save_relationship_changes($is_update) {
		parent::save_relationship_changes($is_update, array('contact_id', 'user_id'));
	}


} // end class def
?>
