EGroupware / egroupware

calendar/inc/class.calendar_groupdav.inc.php

Braces +235 added lines, -58 removed lines

@@ -132,7 +132,10 @@ 
 		}
 		else
 		{
-			if (!is_array($event)) $event = $this->bo->read($event);
+			if (!is_array($event))
+			{
+				$event = $this->bo->read($event);
+			}
 			$name = $event[self::$path_attr];
 		}
 		$name .= self::$path_extension;
@@ -193,10 +196,13 @@ 
 			}
 			$filter[$name] = $this->bo->now + 24*3600*($name == 'start' ? -1 : 1)*abs($value);
 		}
-		if ($this->client_shared_uid_exceptions)	// do NOT return (non-virtual) exceptions
+		if ($this->client_shared_uid_exceptions)
+		{
+			// do NOT return (non-virtual) exceptions
 		{
 			$filter['query'] = array('cal_reference' => 0);
 		}
+		}
 
 		if ($path == '/calendar/')
 		{
@@ -226,7 +232,11 @@ 
 			// when trying to request not supported components, eg. VTODO on a calendar collection
 			return true;
 		}
-		if ($id) $path = dirname($path).'/';	// caldav_name get's added anyway in the callback
+		if ($id)
+		{
+			$path = dirname($path).'/';
+		}
+		// caldav_name get's added anyway in the callback
 
 		if ($this->debug > 1)
 		{
@@ -288,7 +298,11 @@ 
 		$n = 0;
 		foreach($files as $file)
 		{
-			if (!$n++) continue;	// first entry is collection itself
+			if (!$n++)
+			{
+				continue;
+			}
+			// first entry is collection itself
 
 			$icalendar = $file['props']['calendar-data']['val'];
 			if (($start = strpos($icalendar, 'BEGIN:VEVENT')) !== false &&
@@ -332,10 +346,17 @@ 
 	 */
 	function &propfind_callback($path,array $filter,$start=false)
 	{
-		if ($this->debug) $starttime = microtime(true);
+		if ($this->debug)
+		{
+			$starttime = microtime(true);
+		}
 
 		$calendar_data = $this->caldav->prop_requested('calendar-data', Api\CalDAV::CALDAV, true);
-		if (!is_array($calendar_data)) $calendar_data = false;	// not in allprop or autoindex
+		if (!is_array($calendar_data))
+		{
+			$calendar_data = false;
+		}
+		// not in allprop or autoindex
 
 		$files = array();
 
@@ -493,7 +514,10 @@ 
 				switch($filter['name'])
 				{
 					case 'comp-filter':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
+						}
 
 						switch($filter['attrs']['name'])
 						{
@@ -508,14 +532,23 @@ 
 						}
 						break;
 					case 'prop-filter':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) prop-filter='{$filter['attrs']['name']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) prop-filter='{$filter['attrs']['name']}'");
+						}
 						$prop_filter = $filter['attrs']['name'];
 						break;
 					case 'text-match':
-						if ($this->debug > 1) error_log(__METHOD__."($options[path],...) text-match: $prop_filter='{$filter['data']}'");
+						if ($this->debug > 1)
+						{
+							error_log(__METHOD__."($options[path],...) text-match: $prop_filter='{$filter['data']}'");
+						}
 						if (!isset($this->filter_prop2cal[strtoupper($prop_filter)]))
 						{
-							if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown property '$prop_filter' --> ignored");
+							if ($this->debug)
+							{
+								error_log(__METHOD__."($options[path],".array2string($options).",...) unknown property '$prop_filter' --> ignored");
+							}
 						}
 						else
 						{
@@ -524,10 +557,16 @@ 
 						unset($prop_filter);
 						break;
 					case 'param-filter':
-						if ($this->debug) error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
+						if ($this->debug)
+						{
+							error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
+						}
 						break;
 					case 'time-range':
-				 		if ($this->debug > 1) error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
+				 		if ($this->debug > 1)
+				 		{
+				 			error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
+				 		}
 				 		if (!empty($filter['attrs']['start']))
 				 		{
 					 		$cal_filters['start'] = $this->vCalendar->_parseDateTime($filter['attrs']['start']);
@@ -538,13 +577,19 @@ 
 				 		}
 						break;
 					default:
-						if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown filter --> ignored");
+						if ($this->debug)
+						{
+							error_log(__METHOD__."($options[path],".array2string($options).",...) unknown filter --> ignored");
+						}
 						break;
 				}
 			}
-			if (count($cal_filters) == $num_filters)	// no filters set --> restore default start and end time
+			if (count($cal_filters) == $num_filters)
+			{
+				// no filters set --> restore default start and end time
 			{
 				$cal_filters['start'] = $cal_start;
+			}
 				$cal_filters['end']   = $cal_end;
 			}
 		}
@@ -621,7 +666,10 @@ 
 				}
 			}
 
-			if ($this->debug > 1) error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids).', cal_filters='.array2string($cal_filters));
+			if ($this->debug > 1)
+			{
+				error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids).', cal_filters='.array2string($cal_filters));
+			}
 		}
 		return true;
 	}
@@ -667,9 +715,15 @@ 
 	private function iCal(array $event,$user=null, $method=null, $expand=false)
 	{
 		static $handler = null;
-		if (is_null($handler)) $handler = $this->_get_handler();
+		if (is_null($handler))
+		{
+			$handler = $this->_get_handler();
+		}
 
-		if (!$user) $user = $GLOBALS['egw_info']['user']['account_id'];
+		if (!$user)
+		{
+			$user = $GLOBALS['egw_info']['user']['account_id'];
+		}
 
 		// only return alarms in own calendar, not other users calendars
 		if ($user != $GLOBALS['egw_info']['user']['account_id'])
@@ -685,14 +739,23 @@ 
 		{
 			if (is_array($expand))
 			{
-				if (isset($expand['start'])) $expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
-				if (isset($expand['end'])) $expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
+				if (isset($expand['start']))
+				{
+					$expand['start'] = $this->vCalendar->_parseDateTime($expand['start']);
+				}
+				if (isset($expand['end']))
+				{
+					$expand['end'] = $this->vCalendar->_parseDateTime($expand['end']);
+				}
 			}
 			// pass in original event as master, as it has correct start-date even if first recurrence is an exception
 			$events =& self::get_series($event['uid'], $this->bo, $expand, $user, $event);
 
 			// as alarm is now only on next recurrence, set alarm from original event on master
-			if ($event['alarm']) $events[0]['alarm'] = $event['alarm'];
+			if ($event['alarm'])
+			{
+				$events[0]['alarm'] = $event['alarm'];
+			}
 		}
 		elseif(!$this->client_shared_uid_exceptions && $event['reference'])
 		{
@@ -715,7 +778,10 @@ 
 	 */
 	private static function &get_series($uid,calendar_bo $bo=null, $expand=false, $user=null, $master=null)
 	{
-		if (is_null($bo)) $bo = new calendar_bopdate();
+		if (is_null($bo))
+		{
+			$bo = new calendar_bopdate();
+		}
 
 		$params = array(
 			'query' => array('cal_uid' => $uid),
@@ -724,7 +790,10 @@ 
 			'date_format' => 'server',
 			'cfs' => array(),	// read cfs as we use them to store X- attributes
 		);
-		if (is_array($expand)) $params += $expand;
+		if (is_array($expand))
+		{
+			$params += $expand;
+		}
 
 		if (!($events =& $bo->search($params)))
 		{
@@ -737,14 +806,20 @@ 
 		{
 			if ($recurrence['recur_type'])
 			{
-				if (!isset($master)) $master = $recurrence;
+				if (!isset($master))
+				{
+					$master = $recurrence;
+				}
 				$exceptions =& $master['recur_exception'];
 				unset($events[$k]);
 				break;
 			}
 		}
 		// if recurring event starts in future behind horizont, nothing will be returned by bo::search()
-		if (!isset($master)) $master = $bo->read($uid);
+		if (!isset($master))
+		{
+			$master = $bo->read($uid);
+		}
 
 		foreach($events as $k => &$recurrence)
 		{
@@ -754,7 +829,9 @@ 
 				unset($events[$k]);
 				continue;	// same uid, but references a different event or is own master
 			}
-			if (!$master || $recurrence['id'] != $master['id'])	// real exception
+			if (!$master || $recurrence['id'] != $master['id'])
+			{
+				// real exception
 			{
 				// user is NOT participating in this exception
 				if ($user && !self::isParticipant($recurrence, $user))
@@ -763,6 +840,7 @@ 
 					if (!$master || !self::isParticipant($master, $user))
 					{
 						unset($events[$k]);
+			}
 						continue;
 					}
 					// otherwise mark him in this exception as rejected
@@ -794,7 +872,10 @@ 
 			// this is a virtual exception now (no extra event/cal_id in DB)
 			//error_log('virtual exception: '.array2string($recurrence));
 			$recurrence['recurrence'] = $recurrence['start'];
-			if ($master) $recurrence['reference'] = $master['id'];
+			if ($master)
+			{
+				$recurrence['reference'] = $master['id'];
+			}
 			$recurrence['recur_type'] = MCAL_RECUR_NONE;	// is set, as this is a copy of the master
 			// not for included exceptions (Lightning): $master['recur_exception'][] = $recurrence['start'];
 		}
@@ -833,9 +914,16 @@ 
 	 */
 	function put(&$options,$id,$user=null,$prefix=null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug)
+		{
+			error_log(__METHOD__."($id, $user)".print_r($options,true));
+		}
 
-		if (!$prefix) $user = null;	// /infolog/ does not imply setting the current user (for new entries it's done anyway)
+		if (!$prefix)
+		{
+			$user = null;
+		}
+		// /infolog/ does not imply setting the current user (for new entries it's done anyway)
 
 		// work around missing handling / racecondition in Lightning, if event already exists on server,
 		// but Lightning has not yet synced with the server: Lightning just retries the PUT, not GETing the event
@@ -857,7 +945,10 @@ 
 			isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']));	// dont fail with 412 Precondition Failed in that case
 		if (!is_null($oldEvent) && !is_array($oldEvent))
 		{
-			if ($this->debug) error_log(__METHOD__.': '.print_r($oldEvent,true).function_backtrace());
+			if ($this->debug)
+			{
+				error_log(__METHOD__.': '.print_r($oldEvent,true).function_backtrace());
+			}
 			return $oldEvent;
 		}
 
@@ -868,7 +959,10 @@ 
 		{
 			// we have no add permission on this user's calendar
 			// ToDo: create event in current users calendar and invite only $user
-			if ($this->debug) error_log(__METHOD__."(,,$user) we have not enough rights on this calendar");
+			if ($this->debug)
+			{
+				error_log(__METHOD__."(,,$user) we have not enough rights on this calendar");
+			}
 			return '403 Forbidden';
 		}
 
@@ -915,13 +1009,19 @@ 
 			if ($this->use_schedule_tag && isset($_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH']))
 			{
 				$schedule_tag_match = $_SERVER['HTTP_IF_SCHEDULE_TAG_MATCH'];
-				if ($schedule_tag_match[0] == '"') $schedule_tag_match = substr($schedule_tag_match, 1, -1);
+				if ($schedule_tag_match[0] == '"')
+				{
+					$schedule_tag_match = substr($schedule_tag_match, 1, -1);
+				}
 				$schedule_tag = null;
 				$this->get_etag($oldEvent, $schedule_tag);
 
 				if ($schedule_tag_match !== $schedule_tag)
 				{
-					if ($this->debug) error_log(__METHOD__."(,,$user) schedule_tag missmatch: given '$schedule_tag_match' != '$schedule_tag'");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."(,,$user) schedule_tag missmatch: given '$schedule_tag_match' != '$schedule_tag'");
+					}
 					// honor Prefer: return=representation for 412 too (no need for client to explicitly reload)
 					$this->check_return_representation($options, $id, $user);
 					return '412 Precondition Failed';
@@ -942,7 +1042,10 @@ 
 					// above can be true, if current user is not in master but just a recurrence
 					(!$oldEvent['recur_type'] || !($series = self::get_series($oldEvent['uid'], $this->bo))))
 				{
-					if ($this->debug) error_log(__METHOD__."(,,$user) user $user is NOT an attendee!");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."(,,$user) user $user is NOT an attendee!");
+					}
 					return '403 Forbidden';
 				}
 				// update only participant status and alarms of current user
@@ -962,7 +1065,10 @@ 
 							}
 							foreach($series as $oldEvent)
 							{
-								if ($oldEvent['recurrence'] == $event['recurrence']) break;
+								if ($oldEvent['recurrence'] == $event['recurrence'])
+								{
+									break;
+								}
 							}
 							// if no exception found, check if it might be just a recurrence (no exception)
 							if ($event['recurrence'] && $oldEvent['recurrence'] != $event['recurrence'])
@@ -977,7 +1083,10 @@ 
 								}
 							}
 						}
-						if ($this->debug) error_log(__METHOD__."(, $id, $user, '$prefix') eventId=$eventId ($oldEvent[id]), user=$user, old-status='{$oldEvent['participants'][$user]}', new-status='{$event['participants'][$user]}', recurrence=$event[recurrence]=".Api\DateTime::to($event['recurrence']).", event=".array2string($event));
+						if ($this->debug)
+						{
+							error_log(__METHOD__."(, $id, $user, '$prefix') eventId=$eventId ($oldEvent[id]), user=$user, old-status='{$oldEvent['participants'][$user]}', new-status='{$event['participants'][$user]}', recurrence=$event[recurrence]=".Api\DateTime::to($event['recurrence']).", event=".array2string($event));
+						}
 						if (isset($event['participants']) && isset($event['participants'][$user]) &&
 							$event['participants'][$user] !== $oldEvent['participants'][$user])
 						{
@@ -985,13 +1094,19 @@ 
 								// real (not virtual) exceptions use recurrence 0 in egw_cal_user.cal_recurrence!
 								$recurrence = $eventId == $oldEvent['id'] ? $event['recurrence'] : 0))
 							{
-								if ($this->debug) error_log(__METHOD__."(,,$user) failed to set_status($oldEvent[id], $user, '{$event['participants'][$user]}', $recurrence=".Api\DateTime::to($recurrence).')');
+								if ($this->debug)
+								{
+									error_log(__METHOD__."(,,$user) failed to set_status($oldEvent[id], $user, '{$event['participants'][$user]}', $recurrence=".Api\DateTime::to($recurrence).')');
+								}
 								return '403 Forbidden';
 							}
 							else
 							{
 								++$modified;
-								if ($this->debug) error_log(__METHOD__."() set_status($oldEvent[id], $user, {$event['participants'][$user]} , $recurrence=".Api\DateTime::to($recurrence).')');
+								if ($this->debug)
+								{
+									error_log(__METHOD__."() set_status($oldEvent[id], $user, {$event['participants'][$user]} , $recurrence=".Api\DateTime::to($recurrence).')');
+								}
 							}
 						}
 						// import alarms, if given and changed
@@ -1001,15 +1116,21 @@ 
 							$modified += $handler->sync_alarms($event, (array)$oldEvent['alarm'], $user);
 						}
 					}
-					if (!$modified)	// NO modififictions, or none we understood --> log it and return Ok: "204 No Content"
+					if (!$modified)
+					{
+						// NO modififictions, or none we understood --> log it and return Ok: "204 No Content"
 					{
 						$this->caldav->log(__METHOD__."(,,$user) NO changes for current user events=".array2string($events).', old-event='.array2string($oldEvent));
 					}
+					}
 					$this->put_response_headers($eventId, $options['path'], '204 No Content', self::$path_attr == 'caldav_name');
 
 					return '204 No Content';
 				}
-				if ($this->debug && !isset($events)) error_log(__METHOD__."(,,$user) only schedule-tag given for event without participants (only calendar owner) --> handle as regular PUT");
+				if ($this->debug && !isset($events))
+				{
+					error_log(__METHOD__."(,,$user) only schedule-tag given for event without participants (only calendar owner) --> handle as regular PUT");
+				}
 			}
 			if ($return_no_access)
 			{
@@ -1046,17 +1167,23 @@ 
 		if (!($cal_id = $handler->importVCal($vCalendar, $eventId,
 			self::etag2value($this->http_if_match), false, 0, $this->caldav->current_user_principal, $user, $charset, $id)))
 		{
-			if ($this->debug) error_log(__METHOD__."(,$id) eventId=$eventId: importVCal('$options[content]') returned ".array2string($cal_id));
+			if ($this->debug)
+			{
+				error_log(__METHOD__."(,$id) eventId=$eventId: importVCal('$options[content]') returned ".array2string($cal_id));
+			}
 			if ($eventId && $cal_id === false)
 			{
 				// ignore import failures
 				$cal_id = $eventId;
 				$retval = true;
 			}
-			elseif ($cal_id === 0)	// etag failure
+			elseif ($cal_id === 0)
+			{
+				// etag failure
 			{
 				// honor Prefer: return=representation for 412 too (no need for client to explicitly reload)
 				$this->check_return_representation($options, $id, $user);
+			}
 				return '412 Precondition Failed';
 			}
 			else
@@ -1081,7 +1208,10 @@ 
 	 */
 	function post(&$options,$id,$user=null)
 	{
-		if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
+		if ($this->debug)
+		{
+			error_log(__METHOD__."($id, $user)".print_r($options,true));
+		}
 
 		$vCalendar = htmlspecialchars_decode($options['content']);
 		$charset = null;
@@ -1135,7 +1265,10 @@ 
 				if (!($cal_id = $handler->importVCal($vCalendar, $eventId, null,
 					false, 0, $this->caldav->current_user_principal, $user, $charset)))
 				{
-					if ($this->debug) error_log(__METHOD__."() importVCal($eventId) returned false");
+					if ($this->debug)
+					{
+						error_log(__METHOD__."() importVCal($eventId) returned false");
+					}
 				}
 				header('ETag: "'.$this->get_etag($eventId).'"');
 			}
@@ -1303,7 +1436,10 @@ 
 		$org_recurrences = $exceptions = array();
 		foreach(self::get_series($events[0]['uid'],$bo) as $k => $event)
 		{
-			if (!$k) $master = $event;
+			if (!$k)
+			{
+				$master = $event;
+			}
 			if ($event['recurrence'])
 			{
 				$org_recurrences[$event['recurrence']] = $event;
@@ -1323,10 +1459,13 @@ 
 
 			// from now on we deal with exceptions
 			$org_recurrence = $org_recurrences[$recurrence['recurrence']];
-			if (isset($org_recurrence))	// already existing recurrence
+			if (isset($org_recurrence))
+			{
+				// already existing recurrence
 			{
 				//error_log(__METHOD__.'() setting id #'.$org_recurrence['id']).' for '.$recurrence['recurrence'].' = '.date('Y-m-d H:i:s',$recurrence['recurrence']);
 				$recurrence['id'] = $org_recurrence['id'];
+			}
 
 				// re-add (non-virtual) exceptions to master's recur_exception
 				if ($recurrence['id'] != $master['id'])
@@ -1343,10 +1482,14 @@ 
 		// delete not longer existing recurrences
 		foreach($org_recurrences as $org_recurrence)
 		{
-			if ($org_recurrence['id'] != $master['id'])	// non-virtual recurrence
+			if ($org_recurrence['id'] != $master['id'])
+			{
+				// non-virtual recurrence
 			{
 				//error_log(__METHOD__.'() deleting #'.$org_recurrence['id']);
-				$bo->delete($org_recurrence['id']);	// might fail because of permissions
+				$bo->delete($org_recurrence['id']);
+			}
+			// might fail because of permissions
 			}
 			else	// virtual recurrence
 			{
@@ -1424,9 +1567,14 @@ 
 		else
 		{
 			$ret = $this->bo->delete($event['id']);
-			if (!$ret) { error_log("delete($event[id]) returned FALSE"); $ret = '400 Failed to delete event';}
+			if (!$ret)
+			{
+error_log("delete($event[id]) returned FALSE"); $ret = '400 Failed to delete event';}
+		}
+		if ($this->debug)
+		{
+			error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event)?$event['participants']:null).", user={$this->bo->user} --> return ".array2string($ret));
 		}
-		if ($this->debug) error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string(is_array($event)?$event['participants']:null).", user={$this->bo->user} --> return ".array2string($ret));
 		return $ret;
 	}
 
@@ -1441,16 +1589,26 @@ 
 	 */
 	function read($id)
 	{
-		if (strpos($column=self::$path_attr,'_') === false) $column = 'cal_'.$column;
+		if (strpos($column=self::$path_attr,'_') === false)
+		{
+			$column = 'cal_'.$column;
+		}
 
 		$event = $this->bo->read(array($column => $id, 'cal_deleted IS NULL', 'cal_reference=0'), null, true, 'server');
-		if ($event) $event = array_shift($event);	// read with array as 1. param, returns an array of events!
+		if ($event)
+		{
+			$event = array_shift($event);
+		}
+		// read with array as 1. param, returns an array of events!
 
 		if (!($retval = $this->bo->check_perms(calendar_bo::ACL_FREEBUSY,$event, 0, 'server')) &&
 			// above can be true, if current user is not in master but just a recurrence
 			(!$event['recur_type'] || !($events = self::get_series($event['uid'], $this->bo))))
 		{
-			if ($this->debug > 0) error_log(__METHOD__."($id) no READ or FREEBUSY rights returning ".array2string($retval));
+			if ($this->debug > 0)
+			{
+				error_log(__METHOD__."($id) no READ or FREEBUSY rights returning ".array2string($retval));
+			}
 			return $retval;
 		}
 		if (!$this->bo->check_perms(Acl::READ, $event, 0, 'server'))
@@ -1458,9 +1616,15 @@ 
 			$this->bo->clear_private_infos($event, array($this->bo->user, $event['owner']));
 		}
 		// handle deleted events, as not existing
-		if ($event['deleted']) $event = null;
+		if ($event['deleted'])
+		{
+			$event = null;
+		}
 
-		if ($this->debug > 1) error_log(__METHOD__."($id) returning ".array2string($event));
+		if ($this->debug > 1)
+		{
+			error_log(__METHOD__."($id) returning ".array2string($event));
+		}
 
 		return $event;
 	}
@@ -1472,7 +1636,10 @@ 
 	 */
 	public function update_tags($entry)
 	{
-		if (!is_array($entry)) $entry = $this->read($entry);
+		if (!is_array($entry))
+		{
+			$entry = $this->read($entry);
+		}
 
 		$this->bo->update($entry, true);
 	}
@@ -1486,7 +1653,10 @@ 
 	{
 		$ctag = $this->bo->get_ctag($user,$path == '/calendar/' ? 'owner' : 'default'); // default = not rejected
 
-		if ($this->debug > 1) error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user] = $ctag");
+		if ($this->debug > 1)
+		{
+			error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user] = $ctag");
+		}
 
 		return $ctag;
 	}
@@ -1616,7 +1786,10 @@ 
 		$handler = new calendar_ical();
 		$handler->setSupportedFields('GroupDAV',$this->agent);
 		$handler->supportedFields['attachments'] = true;	// enabling attachments
-		if ($this->debug > 1) error_log("ical Handler called: " . $this->agent);
+		if ($this->debug > 1)
+		{
+			error_log("ical Handler called: " . $this->agent);
+		}
 		return $handler;
 	}
 
@@ -1687,7 +1860,11 @@ 
 			{
 				$calendars[$entry['grantor']] = $entry['name'];
 			}
-			if ($user > 0) unset($calendars[$user]);	// skip current user
+			if ($user > 0)
+			{
+				unset($calendars[$user]);
+			}
+			// skip current user
 		}
 
 		$settings = array();