OC_JSON::checkLoggedIn();
OC_JSON::checkAppEnabled('calendar');
-if(version_compare(PHP_VERSION, '5.3.0', '>=')){
- $start = DateTime::createFromFormat('U', $_GET['start']);
- $end = DateTime::createFromFormat('U', $_GET['end']);
-}else{
- $start = new DateTime('@' . $_GET['start']);
- $end = new DateTime('@' . $_GET['end']);
-}
+$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('@' . $_GET['end']);
-$calendar_id = $_GET['calendar_id'];
-if (is_numeric($calendar_id)) {
- $calendar = OC_Calendar_App::getCalendar($calendar_id);
- OC_Response::enableCaching(0);
- OC_Response::setETagHeader($calendar['ctag']);
- $events = OC_Calendar_Object::allInPeriod($calendar_id, $start, $end);
-} else {
- $events = array();
- OC_Hook::emit('OC_Calendar', 'getEvents', array('calendar_id' => $calendar_id, 'events' => &$events));
-}
+$events = OC_Calendar_App::getrequestedEvents($_GET['calendar_id'], $start, $end);
-$user_timezone = OC_Preferences::getValue(OC_USER::getUser(), 'calendar', 'timezone', date_default_timezone_get());
-$return = array();
+$output = array();
foreach($events as $event){
- if (isset($event['calendardata'])) {
- $object = OC_VObject::parse($event['calendardata']);
- $vevent = $object->VEVENT;
- } else {
- $vevent = $event['vevent'];
- }
-
- $return_event = create_return_event($event, $vevent);
-
- $dtstart = $vevent->DTSTART;
- $start_dt = $dtstart->getDateTime();
- $dtend = OC_Calendar_Object::getDTEndFromVEvent($vevent);
- $end_dt = $dtend->getDateTime();
- if ($dtstart->getDateType() == Sabre_VObject_Element_DateTime::DATE){
- $return_event['allDay'] = true;
- }else{
- $return_event['allDay'] = false;
- $start_dt->setTimezone(new DateTimeZone($user_timezone));
- $end_dt->setTimezone(new DateTimeZone($user_timezone));
- }
-
- //Repeating Events
- if($event['repeating'] == 1){
- $duration = (double) $end_dt->format('U') - (double) $start_dt->format('U');
- $r = new When();
- $r->recur($start_dt)->rrule((string) $vevent->RRULE);
- while($result = $r->next()){
- if($result < $start){
- continue;
- }
- if($result > $end){
- break;
- }
- if($return_event['allDay'] == true){
- $return_event['start'] = $result->format('Y-m-d');
- $return_event['end'] = date('Y-m-d', $result->format('U') + --$duration);
- }else{
- $return_event['start'] = $result->format('Y-m-d H:i:s');
- $return_event['end'] = date('Y-m-d H:i:s', $result->format('U') + $duration);
- }
- $return[] = $return_event;
- }
- }else{
- if($return_event['allDay'] == true){
- $return_event['start'] = $start_dt->format('Y-m-d');
- $end_dt->modify('-1 sec');
- $return_event['end'] = $end_dt->format('Y-m-d');
- }else{
- $return_event['start'] = $start_dt->format('Y-m-d H:i:s');
- $return_event['end'] = $end_dt->format('Y-m-d H:i:s');
- }
- $return[] = $return_event;
- }
+ $output[] = OC_Calendar_App::generateEventOutput($event, $start, $end);
+
}
-OC_JSON::encodedPrint($return);
+OC_JSON::encodedPrint($output);
- ?>
+ ?>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
- */
-
-/**
+ *
* This class manages our app actions
*/
-OC_Calendar_App::$l10n = OC_L10N::get('calendar');
+OC_Calendar_App::$l10n = new OC_L10N('calendar');
+OC_Calendar_App::$tz = OC_Preferences::getValue(OC_USER::getUser(), 'calendar', 'timezone', date_default_timezone_get());
class OC_Calendar_App{
+ const CALENDAR = 'calendar';
+ const EVENT = 'event';
+ /*
+ * @brief language object for calendar app
+ */
public static $l10n;
++
++ /*
++ * @brief categories of the user
++ */
protected static $categories = null;
- public static function getCalendar($id){
- $calendar = OC_Calendar_Calendar::find( $id );
- if( $calendar === false || $calendar['userid'] != OC_User::getUser()){
- OC_JSON::error(array('data' => array('message' => self::$l10n->t('Wrong calendar'))));
- exit();
+ /*
+ * @brief timezone of the user
+ */
+ public static $tz;
+
+ /*
+ * @brief returns informations about a calendar
+ * @param int $id - id of the calendar
+ * @param bool $security - check access rights or not
+ * @param bool $shared - check if the user got access via sharing
+ * @return mixed - bool / array
+ */
+ public static function getCalendar($id, $security = true, $shared = false){
+ $calendar = OC_Calendar_Calendar::find($id);
+ if($shared === true){
+ if(OC_Calendar_Share::check_access(OC_User::getUser(), $id, OC_Calendar_Share::CALENDAR)){
+ return $calendar;
+ }
+ }
+ if($security === true){
+ if($calendar['userid'] != OC_User::getUser()){
+ return false;
+ }
}
- return $calendar;
+ if($calendar === false){
+ return false;
+ }
+ return OC_Calendar_Calendar::find($id);
}
-
- public static function getEventObject($id){
- $event_object = OC_Calendar_Object::find( $id );
- if( $event_object === false ){
- OC_JSON::error();
- exit();
+
+ /*
+ * @brief returns informations about an event
+ * @param int $id - id of the event
+ * @param bool $security - check access rights or not
+ * @param bool $shared - check if the user got access via sharing
+ * @return mixed - bool / array
+ */
+ public static function getEventObject($id, $security = true, $shared = false){
+ $event = OC_Calendar_Object::find($id);
+ if($shared === true){
+ if(OC_Calendar_Share::check_access(OC_User::getUser(), $id, OC_Calendar_Share::EVENT)){
+ return $event;
+ }
}
-
- self::getCalendar( $event_object['calendarid'] );//access check
- return $event_object;
+ if($security === true){
+ $calendar = self::getCalendar($event['calendarid'], false);
+ if($calendar['userid'] != OC_User::getUser()){
+ return false;
+ }
+ }
+ if($event === false){
+ return false;
+ }
+ return $event;
}
-
- public static function getVCalendar($id){
- $event_object = self::getEventObject( $id );
-
- $vcalendar = OC_VObject::parse($event_object['calendardata']);
- // Check if the vcalendar is valid
- if(is_null($vcalendar)){
- OC_JSON::error();
- exit();
+
+ /*
+ * @brief returns the parsed calendar data
+ * @param int $id - id of the event
+ * @param bool $security - check access rights or not
+ * @return mixed - bool / object
+ */
+ public static function getVCalendar($id, $security = true, $shared = false){
+ $event_object = self::getEventObject($id, $security, $shared);
+ if($event_object === false){
+ return false;
+ }
+ $vobject = OC_VObject::parse($event_object['calendardata']);
+ if(is_null($vobject)){
+ return false;
}
- return $vcalendar;
+ return $vobject;
}
-
- public static function isNotModified($vevent, $lastmodified)
- {
+
+ /*
+ * @brief checks if an event was edited and dies if it was
+ * @param (object) $vevent - vevent object of the event
+ * @param (int) $lastmodified - time of last modification as unix timestamp
+ * @return (bool)
+ */
+ public static function isNotModified($vevent, $lastmodified){
$last_modified = $vevent->__get('LAST-MODIFIED');
if($last_modified && $lastmodified != $last_modified->getDateTime()->format('U')){
OC_JSON::error(array('modified'=>true));
exit;
}
+ return true;
}
--
++
++ /*
++ * @brief returns the default categories of ownCloud
++ * @return (array) $categories
++ */
protected static function getDefaultCategories()
{
return array(
self::$l10n->t('Work'),
);
}
--
++
++ /*
++ * @brief returns the vcategories object of the user
++ * @return (object) $vcategories
++ */
protected static function getVCategories() {
if (is_null(self::$categories)) {
self::$categories = new OC_VCategories('calendar', null, self::getDefaultCategories());
}
return self::$categories;
}
--
++
++ /*
++ * @brief returns the categories of the vcategories object
++ * @return (array) $categories
++ */
public static function getCategoryOptions()
{
$categories = self::getVCategories()->categories();
public static function getWeekofMonth(){
return OC_Calendar_Object::getWeekofMonth(self::$l10n);
}
- }
+
+ /*
+ * @brief checks the access for a calendar / an event
+ * @param (int) $id - id of the calendar / event
+ * @param (string) $type - type of the id (calendar/event)
+ * @return (string) $access - level of access
+ */
+ public static function getaccess($id, $type){
+ if($type == self::CALENDAR){
+ $calendar = self::getCalendar($id, false, false);
+ if($calendar['userid'] == OC_User::getUser()){
+ return 'owner';
+ }
+ $isshared = OC_Calendar_Share::check_access(OC_User::getUser(), $id, OC_Calendar_Share::CALENDAR);
+ if($isshared){
+ $writeaccess = OC_Calendar_Share::is_editing_allowed(OC_User::getUser(), $id, OC_Calendar_Share::CALENDAR);
+ if($writeaccess){
+ return 'rw';
+ }else{
+ return 'r';
+ }
+ }else{
+ return false;
+ }
+ }elseif($type == self::EVENT){
+ if(OC_Calendar_Object::getowner($id) == OC_User::getUser()){
+ return 'owner';
+ }
+ $isshared = OC_Calendar_Share::check_access(OC_User::getUser(), $id, OC_Calendar_Share::EVENT);
+ if($isshared){
+ $writeaccess = OC_Calendar_Share::is_editing_allowed(OC_User::getUser(), $id, OC_Calendar_Share::EVENT);
+ if($writeaccess){
+ return 'rw';
+ }else{
+ return 'r';
+ }
+ }else{
+ return false;
+ }
+ }
+ }
+
+ /*
+ * @brief analyses the parameter for calendar parameter and returns the objects
+ * @param (string) $calendarid - calendarid
+ * @param (int) $start - unixtimestamp of start
+ * @param (int) $end - unixtimestamp of end
+ * @return (array) $events
+ */
+ public static function getrequestedEvents($calendarid, $start, $end){
+ $events = array();
+ if($calendarid == 'shared_rw' || $_GET['calendar_id'] == 'shared_r'){
+ $calendars = OC_Calendar_Share::allSharedwithuser(OC_USER::getUser(), OC_Calendar_Share::CALENDAR, 1, ($_GET['calendar_id'] == 'shared_rw')?'rw':'r');
+ foreach($calendars as $calendar){
+ $calendarevents = OC_Calendar_Object::allInPeriod($calendar['calendarid'], $start, $end);
+ $events = array_merge($events, $calendarevents);
+ }
+ $singleevents = OC_Calendar_Share::allSharedwithuser(OC_USER::getUser(), OC_Calendar_Share::EVENT, 1, ($_GET['calendar_id'] == 'shared_rw')?'rw':'r');
+ foreach($singleevents as $singleevent){
+ $event = OC_Calendar_Object::find($singleevent['eventid']);
+ $events[] = $event;
+ }
+ }else{
+ $calendar_id = $_GET['calendar_id'];
+ if (is_numeric($calendar_id)) {
+ $calendar = self::getCalendar($calendar_id);
+ OC_Response::enableCaching(0);
+ OC_Response::setETagHeader($calendar['ctag']);
+ $events = OC_Calendar_Object::allInPeriod($calendar_id, $start, $end);
+ } else {
+ OC_Hook::emit('OC_Calendar', 'getEvents', array('calendar_id' => $calendar_id, 'events' => &$events));
+ }
+ }
+ return $events;
+ }
+
+ /*
+ * @brief generates the output for an event which will be readable for our js
+ * @param (mixed) $event - event object / array
+ * @param (int) $start - unixtimestamp of start
+ * @param (int) $end - unixtimestamp of end
+ * @return (array) $output - readable output
+ */
+ public static function generateEventOutput($event, $start, $end){
+ $output = array();
+
+ if(isset($event['calendardata'])){
+ $object = OC_VObject::parse($event['calendardata']);
+ $vevent = $object->VEVENT;
+ }else{
+ $vevent = $event['vevent'];
+ }
+
+ $last_modified = @$vevent->__get('LAST-MODIFIED');
+ $lastmodified = ($last_modified)?$last_modified->getDateTime()->format('U'):0;
+
+ $output = array('id'=>(int)$event['id'],
+ 'title' => htmlspecialchars(($event['summary']!=NULL || $event['summary'] != '')?$event['summary']: self::$l10n->t('unnamed')),
+ 'description' => isset($vevent->DESCRIPTION)?htmlspecialchars($vevent->DESCRIPTION->value):'',
+ 'lastmodified'=>$lastmodified);
+
+ $dtstart = $vevent->DTSTART;
+ $start_dt = $dtstart->getDateTime();
+ $dtend = OC_Calendar_Object::getDTEndFromVEvent($vevent);
+ $end_dt = $dtend->getDateTime();
+
+ if ($dtstart->getDateType() == Sabre_VObject_Element_DateTime::DATE){
+ $output['allDay'] = true;
+ }else{
+ $output['allDay'] = false;
+ $start_dt->setTimezone(new DateTimeZone(self::$tz));
+ $end_dt->setTimezone(new DateTimeZone(self::$tz));
+ }
+
+ if($event['repeating'] == 1){
+ $duration = (double) $end_dt->format('U') - (double) $start_dt->format('U');
+ $r = new When();
+ $r->recur($start_dt)->rrule((string) $vevent->RRULE);
+ /*$r = new iCal_Repeat_Generator(array('RECUR' => $start_dt,
+ * 'RRULE' => (string)$vevent->RRULE
+ * 'RDATE' => (string)$vevent->RDATE
+ * 'EXRULE' => (string)$vevent->EXRULE
+ * 'EXDATE' => (string)$vevent->EXDATE));*/
+ while($result = $r->next()){
+ if($result < $start){
+ continue;
+ }
+ if($result > $end){
+ break;
+ }
+ if($output['allDay'] == true){
+ $output['start'] = $result->format('Y-m-d');
+ $output['end'] = date('Y-m-d', $result->format('U') + --$duration);
+ }else{
+ $output['start'] = $result->format('Y-m-d H:i:s');
+ $output['end'] = date('Y-m-d H:i:s', $result->format('U') + $duration);
+ }
+ }
+ }else{
+ if($output['allDay'] == true){
+ $output['start'] = $start_dt->format('Y-m-d');
+ $end_dt->modify('-1 sec');
+ $output['end'] = $end_dt->format('Y-m-d');
+ }else{
+ $output['start'] = $start_dt->format('Y-m-d H:i:s');
+ $output['end'] = $end_dt->format('Y-m-d H:i:s');
+ }
+ }
+ return $output;
+ }
+ }