<?php
  /**
   * Copyright (c) 2011, 2012 Georg Ehrke <ownclouddev at georgswebsite dot de>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  OCP\JSON::checkLoggedIn();
  OCP\JSON::checkAppEnabled('calendar');
  session_write_close();
  
  // Look for the calendar id
  $calendar_id = null;
  if (strval(intval($_GET['calendar_id'])) == strval($_GET['calendar_id'])) { // integer for sure.
  	$id = intval($_GET['calendar_id']);
  	$calendarrow = OC_Calendar_App::getCalendar($id, true, false); // Let's at least security check otherwise we might as well use OC_Calendar_Calendar::find())
  	if($calendarrow !== false) {
  		$calendar_id = $id;
  	}else{
  		if(OCP\Share::getItemSharedWithBySource('calendar', $id) === false){
  			OCP\JSON::encodedPrint(array());
  			exit;
  		}
  	}
  }
  $calendar_id = (is_null($calendar_id)?strip_tags($_GET['calendar_id']):$calendar_id);
  
  $start = (version_compare(PHP_VERSION, '5.3.0', '>='))?DateTime::createFromFormat('U', $_GET['start']):new DateTime('@' . $_GET['start']);
  $end = (version_compare(PHP_VERSION, '5.3.0', '>='))?DateTime::createFromFormat('U', $_GET['end']):new DateTime('@' . $_GET['end']);
  $events = OC_Calendar_App::getrequestedEvents($calendar_id, $start, $end);
  $output = array();
  foreach($events as $event) {
  	$result = OC_Calendar_App::generateEventOutput($event, $start, $end);
  	if (is_array($result)) {
  		$output = array_merge($output, $result);
  	}
  }
  OCP\JSON::encodedPrint($output);