457 lines
14 KiB
PHP
457 lines
14 KiB
PHP
<?php
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/**
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* Copyright (c) 2011 Bart Visscher <bartv@thisnet.nl>
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* Copyright (c) 2012 Georg Ehrke <georg@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*
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* This class manages our app actions
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*/
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OC_Calendar_App::$l10n = new OC_L10N('calendar');
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OC_Calendar_App::$tz = OCP\Config::getUserValue(OCP\USER::getUser(), 'calendar', 'timezone', date_default_timezone_get());
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class OC_Calendar_App{
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const CALENDAR = 'calendar';
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const EVENT = 'event';
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/*
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* @brief language object for calendar app
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*/
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public static $l10n;
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/*
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* @brief categories of the user
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*/
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protected static $categories = null;
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/*
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* @brief timezone of the user
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*/
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public static $tz;
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/*
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* @brief returns informations about a calendar
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* @param int $id - id of the calendar
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* @param bool $security - check access rights or not
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* @param bool $shared - check if the user got access via sharing
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* @return mixed - bool / array
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*/
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public static function getCalendar($id, $security = true, $shared = false){
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if(! is_numeric($id)){
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return false;
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}
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$calendar = OC_Calendar_Calendar::find($id);
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if($shared === true){
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if(OC_Calendar_Share::check_access(OCP\USER::getUser(), $id, OC_Calendar_Share::CALENDAR)){
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return $calendar;
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}
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}
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if($security === true){
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if($calendar['userid'] != OCP\USER::getUser()){
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return false;
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}
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}
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if($calendar === false){
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return false;
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}
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return OC_Calendar_Calendar::find($id);
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}
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/*
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* @brief returns informations about an event
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* @param int $id - id of the event
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* @param bool $security - check access rights or not
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* @param bool $shared - check if the user got access via sharing
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* @return mixed - bool / array
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*/
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public static function getEventObject($id, $security = true, $shared = false){
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$event = OC_Calendar_Object::find($id);
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if($shared === true){
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if(OC_Calendar_Share::check_access(OCP\USER::getUser(), $id, OC_Calendar_Share::EVENT)){
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return $event;
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}
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}
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if($security === true){
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$calendar = self::getCalendar($event['calendarid'], false);
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if($calendar['userid'] != OCP\USER::getUser()){
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return false;
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}
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}
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if($event === false){
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return false;
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}
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return $event;
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}
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/*
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* @brief returns the parsed calendar data
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* @param int $id - id of the event
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* @param bool $security - check access rights or not
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* @return mixed - bool / object
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*/
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public static function getVCalendar($id, $security = true, $shared = false){
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$event_object = self::getEventObject($id, $security, $shared);
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if($event_object === false){
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return false;
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}
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$vobject = OC_VObject::parse($event_object['calendardata']);
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if(is_null($vobject)){
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return false;
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}
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return $vobject;
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}
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/*
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* @brief checks if an event was edited and dies if it was
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* @param (object) $vevent - vevent object of the event
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* @param (int) $lastmodified - time of last modification as unix timestamp
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* @return (bool)
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*/
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public static function isNotModified($vevent, $lastmodified){
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$last_modified = $vevent->__get('LAST-MODIFIED');
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if($last_modified && $lastmodified != $last_modified->getDateTime()->format('U')){
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OCP\JSON::error(array('modified'=>true));
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exit;
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}
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return true;
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}
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/*
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* @brief returns the default categories of ownCloud
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* @return (array) $categories
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*/
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protected static function getDefaultCategories()
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{
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return array(
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self::$l10n->t('Birthday'),
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self::$l10n->t('Business'),
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self::$l10n->t('Call'),
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self::$l10n->t('Clients'),
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self::$l10n->t('Deliverer'),
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self::$l10n->t('Holidays'),
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self::$l10n->t('Ideas'),
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self::$l10n->t('Journey'),
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self::$l10n->t('Jubilee'),
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self::$l10n->t('Meeting'),
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self::$l10n->t('Other'),
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self::$l10n->t('Personal'),
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self::$l10n->t('Projects'),
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self::$l10n->t('Questions'),
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self::$l10n->t('Work'),
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);
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}
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/*
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* @brief returns the vcategories object of the user
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* @return (object) $vcategories
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*/
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protected static function getVCategories() {
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if (is_null(self::$categories)) {
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self::$categories = new OC_VCategories('calendar', null, self::getDefaultCategories());
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}
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return self::$categories;
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}
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/*
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* @brief returns the categories of the vcategories object
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* @return (array) $categories
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*/
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public static function getCategoryOptions()
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{
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$categories = self::getVCategories()->categories();
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return $categories;
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}
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/**
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* scan events for categories.
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* @param $events VEVENTs to scan. null to check all events for the current user.
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*/
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public static function scanCategories($events = null) {
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if (is_null($events)) {
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$calendars = OC_Calendar_Calendar::allCalendars(OCP\USER::getUser());
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if(count($calendars) > 0) {
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$events = array();
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foreach($calendars as $calendar) {
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$calendar_events = OC_Calendar_Object::all($calendar['id']);
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$events = $events + $calendar_events;
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}
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}
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}
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if(is_array($events) && count($events) > 0) {
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$vcategories = self::getVCategories();
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$vcategories->delete($vcategories->categories());
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foreach($events as $event) {
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$vobject = OC_VObject::parse($event['calendardata']);
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if(!is_null($vobject)) {
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self::loadCategoriesFromVCalendar($vobject);
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}
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}
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}
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}
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/**
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* check VEvent for new categories.
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* @see OC_VCategories::loadFromVObject
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*/
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public static function loadCategoriesFromVCalendar(OC_VObject $calendar) {
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$object = null;
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if (isset($calendar->VEVENT)) {
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$object = $calendar->VEVENT;
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} else
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if (isset($calendar->VTODO)) {
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$object = $calendar->VTODO;
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}
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if ($object) {
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self::getVCategories()->loadFromVObject($object, true);
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}
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}
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public static function getRepeatOptions(){
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return OC_Calendar_Object::getRepeatOptions(self::$l10n);
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}
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/*
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* @brief returns the options for the end of an repeating event
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* @return array - valid inputs for the end of an repeating events
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*/
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public static function getEndOptions(){
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return OC_Calendar_Object::getEndOptions(self::$l10n);
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}
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/*
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* @brief returns the options for an monthly repeating event
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* @return array - valid inputs for monthly repeating events
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*/
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public static function getMonthOptions(){
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return OC_Calendar_Object::getMonthOptions(self::$l10n);
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}
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/*
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* @brief returns the options for an weekly repeating event
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* @return array - valid inputs for weekly repeating events
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*/
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public static function getWeeklyOptions(){
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return OC_Calendar_Object::getWeeklyOptions(self::$l10n);
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}
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/*
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* @brief returns the options for an yearly repeating event
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* @return array - valid inputs for yearly repeating events
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*/
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public static function getYearOptions(){
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return OC_Calendar_Object::getYearOptions(self::$l10n);
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}
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/*
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* @brief returns the options for an yearly repeating event which occurs on specific days of the year
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* @return array - valid inputs for yearly repeating events
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*/
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public static function getByYearDayOptions(){
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return OC_Calendar_Object::getByYearDayOptions();
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}
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/*
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* @brief returns the options for an yearly repeating event which occurs on specific month of the year
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* @return array - valid inputs for yearly repeating events
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*/
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public static function getByMonthOptions(){
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return OC_Calendar_Object::getByMonthOptions(self::$l10n);
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}
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/*
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* @brief returns the options for an yearly repeating event which occurs on specific week numbers of the year
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* @return array - valid inputs for yearly repeating events
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*/
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public static function getByWeekNoOptions(){
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return OC_Calendar_Object::getByWeekNoOptions();
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}
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/*
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* @brief returns the options for an yearly or monthly repeating event which occurs on specific days of the month
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* @return array - valid inputs for yearly or monthly repeating events
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*/
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public static function getByMonthDayOptions(){
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return OC_Calendar_Object::getByMonthDayOptions();
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}
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/*
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* @brief returns the options for an monthly repeating event which occurs on specific weeks of the month
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* @return array - valid inputs for monthly repeating events
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*/
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public static function getWeekofMonth(){
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return OC_Calendar_Object::getWeekofMonth(self::$l10n);
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}
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/*
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* @brief checks the access for a calendar / an event
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* @param (int) $id - id of the calendar / event
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* @param (string) $type - type of the id (calendar/event)
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* @return (string) $access - level of access
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*/
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public static function getaccess($id, $type){
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if($type == self::CALENDAR){
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$calendar = self::getCalendar($id, false, false);
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if($calendar['userid'] == OCP\USER::getUser()){
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return 'owner';
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}
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$isshared = OC_Calendar_Share::check_access(OCP\USER::getUser(), $id, OC_Calendar_Share::CALENDAR);
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if($isshared){
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$writeaccess = OC_Calendar_Share::is_editing_allowed(OCP\USER::getUser(), $id, OC_Calendar_Share::CALENDAR);
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if($writeaccess){
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return 'rw';
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}else{
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return 'r';
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}
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}else{
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return false;
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}
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}elseif($type == self::EVENT){
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if(OC_Calendar_Object::getowner($id) == OCP\USER::getUser()){
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return 'owner';
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}
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$isshared = OC_Calendar_Share::check_access(OCP\USER::getUser(), $id, OC_Calendar_Share::EVENT);
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if($isshared){
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$writeaccess = OC_Calendar_Share::is_editing_allowed(OCP\USER::getUser(), $id, OC_Calendar_Share::EVENT);
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if($writeaccess){
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return 'rw';
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}else{
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return 'r';
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}
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}else{
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return false;
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}
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}
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}
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/*
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* @brief analyses the parameter for calendar parameter and returns the objects
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* @param (string) $calendarid - calendarid
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* @param (int) $start - unixtimestamp of start
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* @param (int) $end - unixtimestamp of end
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* @return (array) $events
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*/
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public static function getrequestedEvents($calendarid, $start, $end){
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$events = array();
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if($calendarid == 'shared_rw' || $calendarid == 'shared_r'){
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$calendars = OC_Calendar_Share::allSharedwithuser(OCP\USER::getUser(), OC_Calendar_Share::CALENDAR, 1, ($_GET['calendar_id'] == 'shared_rw')?'rw':'r');
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foreach($calendars as $calendar){
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$calendarevents = OC_Calendar_Object::allInPeriod($calendar['calendarid'], $start, $end);
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foreach($calendarevents as $event){
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$event['summary'] .= ' (' . self::$l10n->t('by') . ' ' . OC_Calendar_Object::getowner($event['id']) . ')';
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}
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$events = array_merge($events, $calendarevents);
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}
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$singleevents = OC_Calendar_Share::allSharedwithuser(OCP\USER::getUser(), OC_Calendar_Share::EVENT, 1, ($_GET['calendar_id'] == 'shared_rw')?'rw':'r');
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foreach($singleevents as $singleevent){
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$event = OC_Calendar_Object::find($singleevent['eventid']);
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$event['summary'] .= ' (' . self::$l10n->t('by') . ' ' . OC_Calendar_Object::getowner($event['id']) . ')';
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$events[] = $event;
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}
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}else{
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if (is_numeric($calendarid)) {
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$calendar = self::getCalendar($calendarid);
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OCP\Response::enableCaching(0);
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OCP\Response::setETagHeader($calendar['ctag']);
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$events = OC_Calendar_Object::allInPeriod($calendarid, $start, $end);
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} else {
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OCP\Util::emitHook('OC_Calendar', 'getEvents', array('calendar_id' => $calendarid, 'events' => &$events));
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}
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}
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return $events;
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}
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/*
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* @brief generates the output for an event which will be readable for our js
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* @param (mixed) $event - event object / array
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* @param (int) $start - unixtimestamp of start
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* @param (int) $end - unixtimestamp of end
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* @return (array) $output - readable output
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*/
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public static function generateEventOutput($event, $start, $end){
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$output = array();
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if(isset($event['calendardata'])){
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$object = OC_VObject::parse($event['calendardata']);
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$vevent = $object->VEVENT;
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}else{
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$vevent = $event['vevent'];
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}
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$last_modified = @$vevent->__get('LAST-MODIFIED');
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$lastmodified = ($last_modified)?$last_modified->getDateTime()->format('U'):0;
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$output = array('id'=>(int)$event['id'],
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'title' => ($event['summary']!=NULL || $event['summary'] != '')?$event['summary']: self::$l10n->t('unnamed'),
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'description' => isset($vevent->DESCRIPTION)?$vevent->DESCRIPTION->value:'',
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'lastmodified'=>$lastmodified);
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$dtstart = $vevent->DTSTART;
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$start_dt = $dtstart->getDateTime();
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$dtend = OC_Calendar_Object::getDTEndFromVEvent($vevent);
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$end_dt = $dtend->getDateTime();
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if ($dtstart->getDateType() == Sabre_VObject_Element_DateTime::DATE){
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$output['allDay'] = true;
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}else{
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$output['allDay'] = false;
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$start_dt->setTimezone(new DateTimeZone(self::$tz));
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$end_dt->setTimezone(new DateTimeZone(self::$tz));
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}
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// Handle exceptions to recurring events
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$exceptionDateObjects = $vevent->select('EXDATE');
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$exceptionDateMap = Array();
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foreach ($exceptionDateObjects as $exceptionObject) {
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foreach($exceptionObject->getDateTimes() as $datetime) {
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$ts = $datetime->getTimestamp();
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$exceptionDateMap[idate('Y',$ts)][idate('m', $ts)][idate('d', $ts)] = true;
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}
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}
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$return = array();
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if($event['repeating'] == 1){
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$duration = (double) $end_dt->format('U') - (double) $start_dt->format('U');
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$r = new When();
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$r->recur($start_dt)->rrule((string) $vevent->RRULE);
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/*$r = new iCal_Repeat_Generator(array('RECUR' => $start_dt,
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* 'RRULE' => (string)$vevent->RRULE
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* 'RDATE' => (string)$vevent->RDATE
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* 'EXRULE' => (string)$vevent->EXRULE
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* 'EXDATE' => (string)$vevent->EXDATE));*/
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while($result = $r->next()){
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if($result < $start){
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continue;
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}
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if($result > $end){
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break;
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}
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// Check for exceptions to recurring events
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$ts = $result->getTimestamp();
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if (isset($exceptionDateMap[idate('Y',$ts)][idate('m', $ts)][idate('d', $ts)])) {
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continue;
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}
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unset($ts);
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if($output['allDay'] == true){
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$output['start'] = $result->format('Y-m-d');
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$output['end'] = date('Y-m-d', $result->format('U') + --$duration);
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}else{
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$output['start'] = $result->format('Y-m-d H:i:s');
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$output['end'] = date('Y-m-d H:i:s', $result->format('U') + $duration);
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}
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$return[] = $output;
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}
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}else{
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if($output['allDay'] == true){
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$output['start'] = $start_dt->format('Y-m-d');
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$end_dt->modify('-1 sec');
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$output['end'] = $end_dt->format('Y-m-d');
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}else{
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$output['start'] = $start_dt->format('Y-m-d H:i:s');
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$output['end'] = $end_dt->format('Y-m-d H:i:s');
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}
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$return[] = $output;
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}
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return $return;
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}
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}
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