<?php
require_once '../../api/controller.php';
$params = $_GET;

//if( isset($params['calendars']) )
//{
//    if(!is_array($params['calendars']))
//       $params['calendars'] = array($params['calendars']);
//   
//   foreach ($params['calendars'] as &$calendar)
//   {
//       $eventLinks = Controller::find(array('concept' => 'calendarToSchedulable') , array('schedulable') , array('filter' => array( '=' , 'calendar' , $calendar)));
//       
//       $eventsIds = array();
//       foreach ($eventLinks as &$eventLink)
//           $eventsIds[] = $eventLink['schedulable'];
//       
//       $events = Controller::find(array('concept' => 'schedulable') , false , array('filter' => array('IN','id',$eventsIds) , 'deepness' => '2' ));
//       $ics = Controller::format( array( 'service' => 'iCal' ) , $events );
//       
//   }
//
//}

if( isset($params['calendar']) )
{
    $eventLinks = Controller::find(array('concept' => 'calendarToSchedulable') , array('schedulable') , array('filter' => array( '=' , 'calendar' , $params['calendar'])));
    $calendar = Controller::read(array('concept' => 'calendar' , 'id' => $params['calendar']));
    $eventsIds = array();
    foreach ($eventLinks as &$eventLink)
       $eventsIds[] = $eventLink['schedulable'];

    $events = Controller::find(array('concept' => 'schedulable') , false , array('filter' => array('IN','id',$eventsIds) , 'deepness' => '2' ));
    $ics = Controller::format( array( 'service' => 'iCal' ) , $events , array('defaultTZI' => $calendar['timezone']) );

    header( 'Content-Type: text/calendar; charset=utf-8' );
    header( 'Content-Length: '.  mb_strlen($ics) );
    header( 'Content-Disposition: attachment; filename="Calendar.ics"' );
    header( 'Cache-Control: max-age=10' );
    echo $ics;
    die(); 
}

if( isset($params['event']) )
{    
    $event = Controller::read(array('concept' => 'schedulable' , 'id' => $params['event']));
    $ics = Controller::format( array( 'service' => 'iCal' ) , array($event) , array('defaultTZI' => $event['timezone']) );
    
    header( 'Content-Type: text/calendar; charset=utf-8' );
    header( 'Content-Length: '.  mb_strlen($ics) );
    header( 'Content-Disposition: attachment; filename="'.$event['summary'].'.ics"' );
    header( 'Cache-Control: max-age=10' );
    echo $ics;
    die(); 
}

?>