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diff --git a/plugins/calendar/drivers/kolab/kolab_calendar.php b/plugins/calendar/drivers/kolab/kolab_calendar.php
index 29bc01e5..43165421 100644
--- a/plugins/calendar/drivers/kolab/kolab_calendar.php
+++ b/plugins/calendar/drivers/kolab/kolab_calendar.php
@@ -1,812 +1,812 @@
<?php
/**
* Kolab calendar storage class
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2012-2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_calendar extends kolab_storage_folder_api
{
public $ready = false;
public $readonly = true;
public $attachments = true;
public $alarms = false;
public $history = false;
public $subscriptions = true;
public $categories = array();
public $storage;
public $type = 'event';
protected $cal;
protected $events = array();
protected $search_fields = array('title', 'description', 'location', 'attendees');
/**
* Factory method to instantiate a kolab_calendar object
*
* @param string Calendar ID (encoded IMAP folder name)
* @param object calendar plugin object
* @return object kolab_calendar instance
*/
public static function factory($id, $calendar)
{
$imap = $calendar->rc->get_storage();
$imap_folder = kolab_storage::id_decode($id);
$info = $imap->folder_info($imap_folder, true);
if (empty($info) || $info['noselect'] || strpos(kolab_storage::folder_type($imap_folder), 'event') !== 0) {
return new kolab_user_calendar($imap_folder, $calendar);
}
else {
return new kolab_calendar($imap_folder, $calendar);
}
}
/**
* Default constructor
*/
public function __construct($imap_folder, $calendar)
{
$this->cal = $calendar;
$this->imap = $calendar->rc->get_storage();
$this->name = $imap_folder;
// ID is derrived from folder name
$this->id = kolab_storage::folder_id($this->name, true);
$old_id = kolab_storage::folder_id($this->name, false);
// fetch objects from the given IMAP folder
$this->storage = kolab_storage::get_folder($this->name);
$this->ready = $this->storage && $this->storage->valid;
// Set readonly and alarms flags according to folder permissions
if ($this->ready) {
if ($this->storage->get_namespace() == 'personal') {
$this->readonly = false;
$this->alarms = true;
}
else {
$rights = $this->storage->get_myrights();
if ($rights && !PEAR::isError($rights)) {
if (strpos($rights, 'i') !== false)
$this->readonly = false;
}
}
// user-specific alarms settings win
$prefs = $this->cal->rc->config->get('kolab_calendars', array());
if (isset($prefs[$this->id]['showalarms']))
$this->alarms = $prefs[$this->id]['showalarms'];
else if (isset($prefs[$old_id]['showalarms']))
$this->alarms = $prefs[$old_id]['showalarms'];
}
$this->default = $this->storage->default;
$this->subtype = $this->storage->subtype;
}
/**
* Getter for the IMAP folder name
*
* @return string Name of the IMAP folder
*/
public function get_realname()
{
return $this->name;
}
/**
*
*/
public function get_title()
{
return null;
}
/**
* Return color to display this calendar
*/
public function get_color()
{
// color is defined in folder METADATA
if ($color = $this->storage->get_color()) {
return $color;
}
// calendar color is stored in user prefs (temporary solution)
$prefs = $this->cal->rc->config->get('kolab_calendars', array());
if (!empty($prefs[$this->id]) && !empty($prefs[$this->id]['color']))
return $prefs[$this->id]['color'];
return 'cc0000';
}
/**
* Compose an URL for CalDAV access to this calendar (if configured)
*/
public function get_caldav_url()
{
if ($template = $this->cal->rc->config->get('calendar_caldav_url', null)) {
return strtr($template, array(
'%h' => $_SERVER['HTTP_HOST'],
'%u' => urlencode($this->cal->rc->get_user_name()),
'%i' => urlencode($this->storage->get_uid()),
'%n' => urlencode($this->name),
));
}
return false;
}
/**
* Update properties of this calendar folder
*
* @see calendar_driver::edit_calendar()
*/
public function update(&$prop)
{
$prop['oldname'] = $this->get_realname();
$newfolder = kolab_storage::folder_update($prop);
if ($newfolder === false) {
$this->cal->last_error = $this->cal->gettext(kolab_storage::$last_error);
return false;
}
// create ID
return kolab_storage::folder_id($newfolder);
}
/**
* Getter for a single event object
*/
public function get_event($id)
{
// directly access storage object
if (!$this->events[$id] && ($record = $this->storage->get_object($id)))
$this->events[$id] = $this->_to_rcube_event($record);
// event not found, maybe a recurring instance is requested
if (!$this->events[$id]) {
$master_id = preg_replace('/-\d+(T\d{6})?$/', '', $id);
if ($master_id != $id && ($record = $this->storage->get_object($master_id)))
$this->events[$master_id] = $this->_to_rcube_event($record);
// check for match on the first instance already
if (($_instance = $this->events[$master_id]['_instance']) && $id == $master_id . '-' . $_instance) {
$this->events[$id] = $this->events[$master_id];
}
else if (($master = $this->events[$master_id]) && $master['recurrence']) {
$this->get_recurring_events($record, $master['start'], null, $id);
}
}
return $this->events[$id];
}
/**
* @param integer Event's new start (unix timestamp)
* @param integer Event's new end (unix timestamp)
* @param string Search query (optional)
* @param boolean Include virtual events (optional)
* @param array Additional parameters to query storage
* @param array Additional query to filter events
* @return array A list of event records
*/
public function list_events($start, $end, $search = null, $virtual = 1, $query = array(), $filter_query = null)
{
// convert to DateTime for comparisons
try {
$start = new DateTime('@'.$start);
}
catch (Exception $e) {
$start = new DateTime('@0');
}
try {
$end = new DateTime('@'.$end);
}
catch (Exception $e) {
$end = new DateTime('today +10 years');
}
// get email addresses of the current user
$user_emails = $this->cal->get_user_emails();
// query Kolab storage
$query[] = array('dtstart', '<=', $end);
$query[] = array('dtend', '>=', $start);
if (is_array($filter_query)) {
$query = array_merge($query, $filter_query);
}
if (!empty($search)) {
$search = mb_strtolower($search);
$words = rcube_utils::tokenize_string($search, 1);
foreach (rcube_utils::normalize_string($search, true) as $word) {
$query[] = array('words', 'LIKE', $word);
}
}
else {
$words = array();
}
// set partstat filter to skip pending and declined invitations
if (empty($filter_query) && $this->get_namespace() != 'other') {
$partstat_exclude = array('NEEDS-ACTION','DECLINED');
}
else {
$partstat_exclude = array();
}
$events = array();
foreach ($this->storage->select($query) as $record) {
$event = $this->_to_rcube_event($record);
$this->events[$event['id']] = $event;
// remember seen categories
if ($event['categories'])
$this->categories[$event['categories']]++;
// list events in requested time window
if ($event['start'] <= $end && $event['end'] >= $start) {
unset($event['_attendees']);
$add = true;
// skip the first instance of a recurring event if listed in exdate
if ($virtual && !empty($event['recurrence']['EXDATE'])) {
$event_date = $event['start']->format('Ymd');
$exdates = (array)$event['recurrence']['EXDATE'];
foreach ($exdates as $exdate) {
if ($exdate->format('Ymd') == $event_date) {
$add = false;
break;
}
}
}
// find and merge exception for the first instance
- if (!empty($event['recurrence']) && is_array($event['recurrence']['EXCEPTIONS'])) {
+ if ($virtual && !empty($event['recurrence']) && is_array($event['recurrence']['EXCEPTIONS'])) {
$event_date = $event['start']->format('Ymd');
foreach ($event['recurrence']['EXCEPTIONS'] as $exception) {
$exdate = $exception['recurrence_date'] ? $exception['recurrence_date']->format('Ymd') : substr($exception['_instance'], 0, 8);
if ($exdate == $event_date) {
$event['_instance'] = $exception['_instance'];
kolab_driver::merge_event_data($event, $exception);
}
}
}
if ($add)
$events[] = $event;
}
// resolve recurring events
if ($record['recurrence'] && $virtual == 1) {
$events = array_merge($events, $this->get_recurring_events($record, $start, $end));
}
}
// post-filter all events by fulltext search and partstat values
$me = $this;
$events = array_filter($events, function($event) use ($words, $partstat_exclude, $user_emails, $me) {
// fulltext search
if (count($words)) {
$hits = 0;
foreach ($words as $word) {
$hits += $me->_fulltext_match($event, $word, false);
}
if ($hits < count($words)) {
return false;
}
}
// partstat filter
if (count($partstat_exclude) && is_array($event['attendees'])) {
foreach ($event['attendees'] as $attendee) {
if (in_array($attendee['email'], $user_emails) && in_array($attendee['status'], $partstat_exclude)) {
return false;
}
}
}
return true;
});
// avoid session race conditions that will loose temporary subscriptions
$this->cal->rc->session->nowrite = true;
return $events;
}
/**
*
* @param integer Date range start (unix timestamp)
* @param integer Date range end (unix timestamp)
* @param array Additional query to filter events
* @return integer Count
*/
public function count_events($start, $end = null, $filter_query = null)
{
// convert to DateTime for comparisons
try {
$start = new DateTime('@'.$start);
}
catch (Exception $e) {
$start = new DateTime('@0');
}
if ($end) {
try {
$end = new DateTime('@'.$end);
}
catch (Exception $e) {
$end = null;
}
}
// query Kolab storage
$query[] = array('dtend', '>=', $start);
if ($end)
$query[] = array('dtstart', '<=', $end);
// add query to exclude pending/declined invitations
if (empty($filter_query)) {
foreach ($this->cal->get_user_emails() as $email) {
$query[] = array('tags', '!=', 'x-partstat:' . $email . ':needs-action');
$query[] = array('tags', '!=', 'x-partstat:' . $email . ':declined');
}
}
else if (is_array($filter_query)) {
$query = array_merge($query, $filter_query);
}
// we rely the Kolab storage query (no post-filtering)
return $this->storage->count($query);
}
/**
* Create a new event record
*
* @see calendar_driver::new_event()
*
* @return mixed The created record ID on success, False on error
*/
public function insert_event($event)
{
if (!is_array($event))
return false;
// email links are stored separately
$links = $event['links'];
unset($event['links']);
//generate new event from RC input
$object = $this->_from_rcube_event($event);
$saved = $this->storage->save($object, 'event');
if (!$saved) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Error saving event object to Kolab server"),
true, false);
$saved = false;
}
else {
// save links in configuration.relation object
$this->save_links($event['uid'], $links);
$event['id'] = $event['uid'];
$this->events = array($event['uid'] => $this->_to_rcube_event($object));
}
return $saved;
}
/**
* Update a specific event record
*
* @see calendar_driver::new_event()
* @return boolean True on success, False on error
*/
public function update_event($event, $exception_id = null)
{
$updated = false;
$old = $this->storage->get_object($event['id']);
if (!$old || PEAR::isError($old))
return false;
// email links are stored separately
$links = $event['links'];
unset($event['links']);
$object = $this->_from_rcube_event($event, $old);
$saved = $this->storage->save($object, 'event', $event['id']);
if (!$saved) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Error saving event object to Kolab server"),
true, false);
}
else {
// save links in configuration.relation object
$this->save_links($event['uid'], $links);
$updated = true;
$this->events = array($event['id'] => $this->_to_rcube_event($object));
// refresh local cache with recurring instances
if ($exception_id) {
$this->get_recurring_events($object, $event['start'], $event['end'], $exception_id);
}
}
return $updated;
}
/**
* Delete an event record
*
* @see calendar_driver::remove_event()
* @return boolean True on success, False on error
*/
public function delete_event($event, $force = true)
{
$deleted = $this->storage->delete($event['id'], $force);
if (!$deleted) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Error deleting event object from Kolab server"),
true, false);
}
return $deleted;
}
/**
* Restore deleted event record
*
* @see calendar_driver::undelete_event()
* @return boolean True on success, False on error
*/
public function restore_event($event)
{
if ($this->storage->undelete($event['id'])) {
return true;
}
else {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Error undeleting the event object $event[id] from the Kolab server"),
true, false);
}
return false;
}
/**
* Find messages linked with an event
*/
protected function get_links($uid)
{
$storage = kolab_storage_config::get_instance();
return $storage->get_object_links($uid);
}
/**
*
*/
protected function save_links($uid, $links)
{
// make sure we have a valid array
if (empty($links)) {
$links = array();
}
$storage = kolab_storage_config::get_instance();
$remove = array_diff($storage->get_object_links($uid), $links);
return $storage->save_object_links($uid, $links, $remove);
}
/**
* Create instances of a recurring event
*
* @param array Hash array with event properties
* @param object DateTime Start date of the recurrence window
* @param object DateTime End date of the recurrence window
* @param string ID of a specific recurring event instance
* @return array List of recurring event instances
*/
public function get_recurring_events($event, $start, $end = null, $event_id = null)
{
$object = $event['_formatobj'];
if (!$object) {
$rec = $this->storage->get_object($event['id']);
$object = $rec['_formatobj'];
}
if (!is_object($object))
return array();
// determine a reasonable end date if none given
if (!$end) {
switch ($event['recurrence']['FREQ']) {
case 'YEARLY': $intvl = 'P100Y'; break;
case 'MONTHLY': $intvl = 'P20Y'; break;
default: $intvl = 'P10Y'; break;
}
$end = clone $event['start'];
$end->add(new DateInterval($intvl));
}
// copy the recurrence rule from the master event (to be used in the UI)
$recurrence_rule = $event['recurrence'];
unset($recurrence_rule['EXCEPTIONS'], $recurrence_rule['EXDATE']);
// read recurrence exceptions first
$events = array();
$exdata = array();
$futuredata = array();
$recurrence_id_format = $event['allday'] ? 'Ymd' : 'Ymd\THis';
if (is_array($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $exception) {
if (!$exception['_instance'] && is_a($exception['recurrence_date'], 'DateTime'))
$exception['_instance'] = $exception['recurrence_date']->format($recurrence_id_format);
else if (!$exception['_instance'] && is_a($exception['start'], 'DateTime'))
$exception['_instance'] = $exception['start']->format($recurrence_id_format);
$rec_event = $this->_to_rcube_event($exception);
$rec_event['id'] = $event['uid'] . '-' . $exception['_instance'];
$rec_event['isexception'] = 1;
// found the specifically requested instance: register exception (single occurrence wins)
if ($rec_event['id'] == $event_id && (!$this->events[$event_id] || $this->events[$event_id]['thisandfuture'])) {
$rec_event['recurrence'] = $recurrence_rule;
$rec_event['recurrence_id'] = $event['uid'];
$this->events[$rec_event['id']] = $rec_event;
}
// remember this exception's date
$exdate = substr($exception['_instance'], 0, 8);
if (!$exdata[$exdate] || $exdata[$exdate]['thisandfuture']) {
$exdata[$exdate] = $rec_event;
}
if ($rec_event['thisandfuture']) {
$futuredata[$exdate] = $rec_event;
}
}
}
// found the specifically requested instance, exiting...
if ($event_id && !empty($this->events[$event_id])) {
return array($this->events[$event_id]);
}
// use libkolab to compute recurring events
if (class_exists('kolabcalendaring')) {
$recurrence = new kolab_date_recurrence($object);
}
else {
// fallback to local recurrence implementation
require_once($this->cal->home . '/lib/calendar_recurrence.php');
$recurrence = new calendar_recurrence($this->cal, $event);
}
$i = 0;
while ($next_event = $recurrence->next_instance()) {
$datestr = $next_event['start']->format('Ymd');
$instance_id = $next_event['start']->format($recurrence_id_format);
// use this event data for future recurring instances
if ($futuredata[$datestr])
$overlay_data = $futuredata[$datestr];
// add to output if in range
$rec_id = $event['uid'] . '-' . $instance_id;
if (($next_event['start'] <= $end && $next_event['end'] >= $start) || ($event_id && $rec_id == $event_id)) {
$rec_event = $this->_to_rcube_event($next_event);
$rec_event['_instance'] = $instance_id;
if ($overlay_data || $exdata[$datestr]) // copy data from exception
kolab_driver::merge_event_data($rec_event, $exdata[$datestr] ?: $overlay_data);
$rec_event['id'] = $rec_id;
$rec_event['recurrence_id'] = $event['uid'];
$rec_event['recurrence'] = $recurrence_rule;
unset($rec_event['_attendees']);
$events[] = $rec_event;
if ($rec_id == $event_id) {
$this->events[$rec_id] = $rec_event;
break;
}
}
else if ($next_event['start'] > $end) // stop loop if out of range
break;
// avoid endless recursion loops
if (++$i > 1000)
break;
}
return $events;
}
/**
* Convert from Kolab_Format to internal representation
*/
private function _to_rcube_event($record)
{
$record['calendar'] = $this->id;
$record['links'] = $this->get_links($record['uid']);
if ($this->get_namespace() == 'other') {
$record['className'] = 'fc-event-ns-other';
$record = kolab_driver::add_partstat_class($record, array('NEEDS-ACTION','DECLINED'), $this->get_owner());
}
return kolab_driver::to_rcube_event($record);
}
/**
* Convert the given event record into a data structure that can be passed to Kolab_Storage backend for saving
* (opposite of self::_to_rcube_event())
*/
private function _from_rcube_event($event, $old = array())
{
// in kolab_storage attachments are indexed by content-id
$event['_attachments'] = array();
if (is_array($event['attachments'])) {
foreach ($event['attachments'] as $attachment) {
$key = null;
// Roundcube ID has nothing to do with the storage ID, remove it
if ($attachment['content'] || $attachment['path']) {
unset($attachment['id']);
}
else {
foreach ((array)$old['_attachments'] as $cid => $oldatt) {
if ($attachment['id'] == $oldatt['id'])
$key = $cid;
}
}
// flagged for deletion => set to false
if ($attachment['_deleted']) {
$event['_attachments'][$key] = false;
}
// replace existing entry
else if ($key) {
$event['_attachments'][$key] = $attachment;
}
// append as new attachment
else {
$event['_attachments'][] = $attachment;
}
}
unset($event['attachments']);
}
// set current user as ORGANIZER
$identity = $this->cal->rc->user->list_emails(true);
if (empty($event['attendees']) && $identity['email'])
$event['attendees'] = array(array('role' => 'ORGANIZER', 'name' => $identity['name'], 'email' => $identity['email']));
$event['_owner'] = $identity['email'];
// remove EXDATE values if RDATE is given
if (!empty($event['recurrence']['RDATE'])) {
$event['recurrence']['EXDATE'] = array();
}
// remove recurrence information (e.g. EXDATES and EXCEPTIONS) entirely
if ($event['recurrence'] && empty($event['recurrence']['FREQ']) && empty($event['recurrence']['RDATE'])) {
$event['recurrence'] = array();
}
// keep 'comment' from initial itip invitation
if (!empty($old['comment'])) {
$event['comment'] = $old['comment'];
}
// remove some internal properties which should not be saved
unset($event['_savemode'], $event['_fromcalendar'], $event['_identity'], $event['_folder_id'], $event['className']);
// copy meta data (starting with _) from old object
foreach ((array)$old as $key => $val) {
if (!isset($event[$key]) && $key[0] == '_')
$event[$key] = $val;
}
return $event;
}
/**
* Match the given word in the event contents
*/
private function _fulltext_match($event, $word, $recursive = true)
{
$hits = 0;
foreach ($this->search_fields as $col) {
$sval = is_array($event[$col]) ? self::_complex2string($event[$col]) : $event[$col];
if (empty($sval))
continue;
// do a simple substring matching (to be improved)
$val = mb_strtolower($sval);
if (strpos($val, $word) !== false) {
$hits++;
break;
}
}
// search in recurrence exceptions
if (!$hits && $recursive && !empty($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $exception) {
$hits = $this->_fulltext_match($exception, $word, false);
if ($hits) break;
}
}
return $hits;
}
/**
* Convert a complex event attribute to a string value
*/
private static function _complex2string($prop)
{
static $ignorekeys = array('role','status','rsvp');
$out = '';
if (is_array($prop)) {
foreach ($prop as $key => $val) {
if (is_numeric($key)) {
$out .= self::_complex2string($val);
}
else if (!in_array($key, $ignorekeys)) {
$out .= $val . ' ';
}
}
}
else if (is_string($prop) || is_numeric($prop)) {
$out .= $prop . ' ';
}
return rtrim($out);
}
}
diff --git a/plugins/calendar/drivers/kolab/kolab_driver.php b/plugins/calendar/drivers/kolab/kolab_driver.php
index 3e3f0fcb..0a9790c9 100644
--- a/plugins/calendar/drivers/kolab/kolab_driver.php
+++ b/plugins/calendar/drivers/kolab/kolab_driver.php
@@ -1,2133 +1,2133 @@
<?php
/**
* Kolab driver for the Calendar plugin
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2012-2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_driver extends calendar_driver
{
const INVITATIONS_CALENDAR_PENDING = '--invitation--pending';
const INVITATIONS_CALENDAR_DECLINED = '--invitation--declined';
// features this backend supports
public $alarms = true;
public $attendees = true;
public $freebusy = true;
public $attachments = true;
public $undelete = true;
public $alarm_types = array('DISPLAY','AUDIO');
public $categoriesimmutable = true;
private $rc;
private $cal;
private $calendars;
private $has_writeable = false;
private $freebusy_trigger = false;
private $bonnie_api = false;
/**
* Default constructor
*/
public function __construct($cal)
{
$cal->require_plugin('libkolab');
// load helper classes *after* libkolab has been loaded (#3248)
require_once(dirname(__FILE__) . '/kolab_calendar.php');
require_once(dirname(__FILE__) . '/kolab_user_calendar.php');
require_once(dirname(__FILE__) . '/kolab_invitation_calendar.php');
$this->cal = $cal;
$this->rc = $cal->rc;
$this->_read_calendars();
$this->cal->register_action('push-freebusy', array($this, 'push_freebusy'));
$this->cal->register_action('calendar-acl', array($this, 'calendar_acl'));
$this->freebusy_trigger = $this->rc->config->get('calendar_freebusy_trigger', false);
if (kolab_storage::$version == '2.0') {
$this->alarm_types = array('DISPLAY');
$this->alarm_absolute = false;
}
// get configuration for the Bonnie API
if ($bonnie_config = $this->cal->rc->config->get('kolab_bonnie_api', false))
$this->bonnie_api = new kolab_bonnie_api($bonnie_config);
// calendar uses fully encoded identifiers
kolab_storage::$encode_ids = true;
}
/**
* Read available calendars from server
*/
private function _read_calendars()
{
// already read sources
if (isset($this->calendars))
return $this->calendars;
// get all folders that have "event" type, sorted by namespace/name
$folders = kolab_storage::sort_folders(kolab_storage::get_folders('event') + kolab_storage::get_user_folders('event', true));
$this->calendars = array();
foreach ($folders as $folder) {
if ($folder instanceof kolab_storage_folder_user) {
$calendar = new kolab_user_calendar($folder->name, $this->cal);
$calendar->subscriptions = count($folder->children) > 0;
}
else {
$calendar = new kolab_calendar($folder->name, $this->cal);
}
if ($calendar->ready) {
$this->calendars[$calendar->id] = $calendar;
if (!$calendar->readonly)
$this->has_writeable = true;
}
}
return $this->calendars;
}
/**
* Get a list of available calendars from this source
*
* @param bool $active Return only active calendars
* @param bool $personal Return only personal calendars
* @param object $tree Reference to hierarchical folder tree object
*
* @return array List of calendars
*/
public function list_calendars($active = false, $personal = false, &$tree = null)
{
// attempt to create a default calendar for this user
if (!$this->has_writeable) {
if ($this->create_calendar(array('name' => 'Calendar', 'color' => 'cc0000'))) {
unset($this->calendars);
$this->_read_calendars();
}
}
$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
$folders = $this->filter_calendars(false, $active, $personal);
$calendars = array();
// include virtual folders for a full folder tree
if (!is_null($tree))
$folders = kolab_storage::folder_hierarchy($folders, $tree);
foreach ($folders as $id => $cal) {
$fullname = $cal->get_name();
$listname = $cal->get_foldername();
$imap_path = explode($delim, $cal->name);
// find parent
do {
array_pop($imap_path);
$parent_id = kolab_storage::folder_id(join($delim, $imap_path));
}
while (count($imap_path) > 1 && !$this->calendars[$parent_id]);
// restore "real" parent ID
if ($parent_id && !$this->calendars[$parent_id]) {
$parent_id = kolab_storage::folder_id($cal->get_parent());
}
// turn a kolab_storage_folder object into a kolab_calendar
if ($cal instanceof kolab_storage_folder) {
$cal = new kolab_calendar($cal->name, $this->cal);
$this->calendars[$cal->id] = $cal;
}
// special handling for user or virtual folders
if ($cal instanceof kolab_storage_folder_user) {
$calendars[$cal->id] = array(
'id' => $cal->id,
'name' => kolab_storage::object_name($fullname),
'listname' => $listname,
'editname' => $cal->get_foldername(),
'color' => $cal->get_color(),
'active' => $cal->is_active(),
'title' => $cal->get_owner(),
'owner' => $cal->get_owner(),
'history' => false,
'virtual' => false,
'readonly' => true,
'group' => 'other',
'class' => 'user',
'removable' => true,
);
}
else if ($cal->virtual) {
$calendars[$cal->id] = array(
'id' => $cal->id,
'name' => $fullname,
'listname' => $listname,
'editname' => $cal->get_foldername(),
'virtual' => true,
'readonly' => true,
'group' => $cal->get_namespace(),
'class' => 'folder',
);
}
else {
$calendars[$cal->id] = array(
'id' => $cal->id,
'name' => $fullname,
'listname' => $listname,
'editname' => $cal->get_foldername(),
'title' => $cal->get_title(),
'color' => $cal->get_color(),
'readonly' => $cal->readonly,
'showalarms' => $cal->alarms,
'history' => !empty($this->bonnie_api),
'group' => $cal->get_namespace(),
'default' => $cal->default,
'active' => $cal->is_active(),
'owner' => $cal->get_owner(),
'children' => true, // TODO: determine if that folder indeed has child folders
'parent' => $parent_id,
'subtype' => $cal->subtype,
'caldavurl' => $cal->get_caldav_url(),
'removable' => !$cal->default,
);
}
if ($cal->subscriptions) {
$calendars[$cal->id]['subscribed'] = $cal->is_subscribed();
}
}
// list virtual calendars showing invitations
if ($this->rc->config->get('kolab_invitation_calendars')) {
foreach (array(self::INVITATIONS_CALENDAR_PENDING, self::INVITATIONS_CALENDAR_DECLINED) as $id) {
$cal = new kolab_invitation_calendar($id, $this->cal);
$this->calendars[$cal->id] = $cal;
if (!$active || $cal->is_active()) {
$calendars[$id] = array(
'id' => $cal->id,
'name' => $cal->get_name(),
'listname' => $cal->get_name(),
'editname' => $cal->get_foldername(),
'title' => $cal->get_title(),
'color' => $cal->get_color(),
'readonly' => $cal->readonly,
'showalarms' => $cal->alarms,
'history' => !empty($this->bonnie_api),
'group' => 'x-invitations',
'default' => false,
'active' => $cal->is_active(),
'owner' => $cal->get_owner(),
'children' => false,
);
if ($id == self::INVITATIONS_CALENDAR_PENDING) {
$calendars[$id]['counts'] = true;
}
if (is_object($tree)) {
$tree->children[] = $cal;
}
}
}
}
// append the virtual birthdays calendar
if ($this->rc->config->get('calendar_contact_birthdays', false)) {
$id = self::BIRTHDAY_CALENDAR_ID;
$prefs = $this->rc->config->get('kolab_calendars', array()); // read local prefs
if (!$active || $prefs[$id]['active']) {
$calendars[$id] = array(
'id' => $id,
'name' => $this->cal->gettext('birthdays'),
'listname' => $this->cal->gettext('birthdays'),
'color' => $prefs[$id]['color'] ?: '87CEFA',
'active' => (bool)$prefs[$id]['active'],
'showalarms' => (bool)$this->rc->config->get('calendar_birthdays_alarm_type'),
'group' => 'x-birthdays',
'readonly' => true,
'default' => false,
'children' => false,
'history' => false,
);
}
}
return $calendars;
}
/**
* Get list of calendars according to specified filters
*
* @param bool $writeable Return only writeable calendars
* @param bool $active Return only active calendars
* @param bool $personal Return only personal calendars
*
* @return array List of calendars
*/
protected function filter_calendars($writeable = false, $active = false, $personal = false)
{
$calendars = array();
$plugin = $this->rc->plugins->exec_hook('calendar_list_filter', array(
'list' => $this->calendars, 'calendars' => $calendars,
'writeable' => $writeable, 'active' => $active, 'personal' => $personal,
));
if ($plugin['abort']) {
return $plugin['calendars'];
}
foreach ($this->calendars as $cal) {
if (!$cal->ready) {
continue;
}
if ($writeable && $cal->readonly) {
continue;
}
if ($active && !$cal->is_active()) {
continue;
}
if ($personal && $cal->get_namespace() != 'personal') {
continue;
}
$calendars[$cal->id] = $cal;
}
return $calendars;
}
/**
* Get the kolab_calendar instance for the given calendar ID
*
* @param string Calendar identifier (encoded imap folder name)
* @return object kolab_calendar Object nor null if calendar doesn't exist
*/
public function get_calendar($id)
{
// create calendar object if necesary
if (!$this->calendars[$id] && in_array($id, array(self::INVITATIONS_CALENDAR_PENDING, self::INVITATIONS_CALENDAR_DECLINED))) {
$this->calendars[$id] = new kolab_invitation_calendar($id, $this->cal);
}
else if (!$this->calendars[$id] && $id !== self::BIRTHDAY_CALENDAR_ID) {
$calendar = kolab_calendar::factory($id, $this->cal);
if ($calendar->ready)
$this->calendars[$calendar->id] = $calendar;
}
return $this->calendars[$id];
}
/**
* Create a new calendar assigned to the current user
*
* @param array Hash array with calendar properties
* name: Calendar name
* color: The color of the calendar
* @return mixed ID of the calendar on success, False on error
*/
public function create_calendar($prop)
{
$prop['type'] = 'event';
$prop['active'] = true;
$prop['subscribed'] = true;
$folder = kolab_storage::folder_update($prop);
if ($folder === false) {
$this->last_error = $this->cal->gettext(kolab_storage::$last_error);
return false;
}
// create ID
$id = kolab_storage::folder_id($folder);
// save color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
if (isset($prop['color']))
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
if (isset($prop['showalarms']))
$prefs['kolab_calendars'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if ($prefs['kolab_calendars'][$id])
$this->rc->user->save_prefs($prefs);
return $id;
}
/**
* Update properties of an existing calendar
*
* @see calendar_driver::edit_calendar()
*/
public function edit_calendar($prop)
{
if ($prop['id'] && ($cal = $this->get_calendar($prop['id']))) {
$id = $cal->update($prop);
}
else {
$id = $prop['id'];
}
// fallback to local prefs
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
unset($prefs['kolab_calendars'][$prop['id']]['color'], $prefs['kolab_calendars'][$prop['id']]['showalarms']);
if (isset($prop['color']))
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
if (isset($prop['showalarms']) && $id == self::BIRTHDAY_CALENDAR_ID)
$prefs['calendar_birthdays_alarm_type'] = $prop['showalarms'] ? $this->alarm_types[0] : '';
else if (isset($prop['showalarms']))
$prefs['kolab_calendars'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if (!empty($prefs['kolab_calendars'][$id]))
$this->rc->user->save_prefs($prefs);
return true;
}
/**
* Set active/subscribed state of a calendar
*
* @see calendar_driver::subscribe_calendar()
*/
public function subscribe_calendar($prop)
{
if ($prop['id'] && ($cal = $this->get_calendar($prop['id'])) && is_object($cal->storage)) {
$ret = false;
if (isset($prop['permanent']))
$ret |= $cal->storage->subscribe(intval($prop['permanent']));
if (isset($prop['active']))
$ret |= $cal->storage->activate(intval($prop['active']));
// apply to child folders, too
if ($prop['recursive']) {
foreach ((array)kolab_storage::list_folders($cal->storage->name, '*', 'event') as $subfolder) {
if (isset($prop['permanent']))
($prop['permanent'] ? kolab_storage::folder_subscribe($subfolder) : kolab_storage::folder_unsubscribe($subfolder));
if (isset($prop['active']))
($prop['active'] ? kolab_storage::folder_activate($subfolder) : kolab_storage::folder_deactivate($subfolder));
}
}
return $ret;
}
else {
// save state in local prefs
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
$prefs['kolab_calendars'][$prop['id']]['active'] = (bool)$prop['active'];
$this->rc->user->save_prefs($prefs);
return true;
}
return false;
}
/**
* Delete the given calendar with all its contents
*
* @see calendar_driver::delete_calendar()
*/
public function delete_calendar($prop)
{
if ($prop['id'] && ($cal = $this->get_calendar($prop['id']))) {
$folder = $cal->get_realname();
// TODO: unsubscribe if no admin rights
if (kolab_storage::folder_delete($folder)) {
// remove color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
unset($prefs['kolab_calendars'][$prop['id']]);
$this->rc->user->save_prefs($prefs);
return true;
}
else
$this->last_error = kolab_storage::$last_error;
}
return false;
}
/**
* Search for shared or otherwise not listed calendars the user has access
*
* @param string Search string
* @param string Section/source to search
* @return array List of calendars
*/
public function search_calendars($query, $source)
{
if (!kolab_storage::setup())
return array();
$this->calendars = array();
$this->search_more_results = false;
// find unsubscribed IMAP folders that have "event" type
if ($source == 'folders') {
foreach ((array)kolab_storage::search_folders('event', $query, array('other')) as $folder) {
$calendar = new kolab_calendar($folder->name, $this->cal);
$this->calendars[$calendar->id] = $calendar;
}
}
// find other user's virtual calendars
else if ($source == 'users') {
$limit = $this->rc->config->get('autocomplete_max', 15) * 2; // we have slightly more space, so display twice the number
foreach (kolab_storage::search_users($query, 0, array(), $limit, $count) as $user) {
$calendar = new kolab_user_calendar($user, $this->cal);
$this->calendars[$calendar->id] = $calendar;
// search for calendar folders shared by this user
foreach (kolab_storage::list_user_folders($user, 'event', false) as $foldername) {
$cal = new kolab_calendar($foldername, $this->cal);
$this->calendars[$cal->id] = $cal;
$calendar->subscriptions = true;
}
}
if ($count > $limit) {
$this->search_more_results = true;
}
}
// don't list the birthday calendar
$this->rc->config->set('calendar_contact_birthdays', false);
$this->rc->config->set('kolab_invitation_calendars', false);
return $this->list_calendars();
}
/**
* Fetch a single event
*
* @see calendar_driver::get_event()
* @return array Hash array with event properties, false if not found
*/
public function get_event($event, $writeable = false, $active = false, $personal = false)
{
if (is_array($event)) {
$id = $event['id'] ?: $event['uid'];
$cal = $event['calendar'];
// we're looking for a recurring instance: expand the ID to our internal convention for recurring instances
if (!$event['id'] && $event['_instance']) {
$id .= '-' . $event['_instance'];
}
}
else {
$id = $event;
}
if ($cal) {
if ($storage = $this->get_calendar($cal)) {
return $storage->get_event($id);
}
// get event from the address books birthday calendar
else if ($cal == self::BIRTHDAY_CALENDAR_ID) {
return $this->get_birthday_event($id);
}
}
// iterate over all calendar folders and search for the event ID
else {
foreach ($this->filter_calendars($writeable, $active, $personal) as $calendar) {
if ($result = $calendar->get_event($id)) {
return $result;
}
}
}
return false;
}
/**
* Add a single event to the database
*
* @see calendar_driver::new_event()
*/
public function new_event($event)
{
if (!$this->validate($event))
return false;
$cid = $event['calendar'] ? $event['calendar'] : reset(array_keys($this->calendars));
if ($storage = $this->get_calendar($cid)) {
// handle attachments to add
if (!empty($event['attachments'])) {
foreach ($event['attachments'] as $idx => $attachment) {
// we'll read file contacts into memory, Horde/Kolab classes does the same
// So we cannot save memory, rcube_imap class can do this better
$event['attachments'][$idx]['content'] = $attachment['data'] ? $attachment['data'] : file_get_contents($attachment['path']);
}
}
$success = $storage->insert_event($event);
if ($success && $this->freebusy_trigger) {
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
$this->freebusy_trigger = false; // disable after first execution (#2355)
}
return $success;
}
return false;
}
/**
* Update an event entry with the given data
*
* @see calendar_driver::new_event()
* @return boolean True on success, False on error
*/
public function edit_event($event)
{
return $this->update_event($event);
}
/**
* Extended event editing with possible changes to the argument
*
* @param array Hash array with event properties
* @param string New participant status
* @return boolean True on success, False on error
*/
public function edit_rsvp(&$event, $status)
{
if (($ret = $this->update_event($event)) && $this->rc->config->get('kolab_invitation_calendars')) {
// re-assign to the according (virtual) calendar
if (strtoupper($status) == 'DECLINED')
$event['calendar'] = self::INVITATIONS_CALENDAR_DECLINED;
else if (strtoupper($status) == 'NEEDS-ACTION')
$event['calendar'] = self::INVITATIONS_CALENDAR_PENDING;
else if ($event['_folder_id'])
$event['calendar'] = $event['_folder_id'];
}
return $ret;
}
/**
* Update the participant status for the given attendees
*
* @see calendar_driver::update_attendees()
*/
public function update_attendees(&$event, $attendees)
{
// for this-and-future updates, merge the updated attendees onto all exceptions in range
if (($event['_savemode'] == 'future' && $event['recurrence_id']) || !empty($event['recurrence'])) {
if (!($storage = $this->get_calendar($event['calendar'])))
return false;
// load master event
$master = $event['recurrence_id'] ? $storage->get_event($event['recurrence_id']) : $event;
// apply attendee update to each existing exception
if ($master['recurrence'] && !empty($master['recurrence']['EXCEPTIONS'])) {
$saved = false;
foreach ($master['recurrence']['EXCEPTIONS'] as $i => $exception) {
// merge the new event properties onto future exceptions
if ($exception['_instance'] >= $event['_instance']) {
self::merge_attendee_data($master['recurrence']['EXCEPTIONS'][$i], $attendees);
}
// update a specific instance
if ($exception['_instance'] == $event['_instance'] && $exception['thisandfuture']) {
$saved = true;
}
}
// add the given event as new exception
if (!$saved && $event['id'] != $master['id']) {
$event['thisandfuture'] = true;
$master['recurrence']['EXCEPTIONS'][] = $event;
}
return $this->update_event($master);
}
}
// just update the given event (instance)
return $this->update_event($event);
}
/**
* Move a single event
*
* @see calendar_driver::move_event()
* @return boolean True on success, False on error
*/
public function move_event($event)
{
if (($storage = $this->get_calendar($event['calendar'])) && ($ev = $storage->get_event($event['id']))) {
unset($ev['sequence']);
return $this->update_event($event + $ev);
}
return false;
}
/**
* Resize a single event
*
* @see calendar_driver::resize_event()
* @return boolean True on success, False on error
*/
public function resize_event($event)
{
if (($storage = $this->get_calendar($event['calendar'])) && ($ev = $storage->get_event($event['id']))) {
unset($ev['sequence']);
return $this->update_event($event + $ev);
}
return false;
}
/**
* Remove a single event
*
* @param array Hash array with event properties:
* id: Event identifier
* @param boolean Remove record(s) irreversible (mark as deleted otherwise)
*
* @return boolean True on success, False on error
*/
public function remove_event($event, $force = true)
{
$success = false;
$savemode = $event['_savemode'];
$decline = $event['decline'];
if (($storage = $this->get_calendar($event['calendar'])) && ($event = $storage->get_event($event['id']))) {
$event['_savemode'] = $savemode;
$savemode = 'all';
$master = $event;
$this->rc->session->remove('calendar_restore_event_data');
// read master if deleting a recurring event
if ($event['recurrence'] || $event['recurrence_id']) {
$master = $event['recurrence_id'] ? $storage->get_event($event['recurrence_id']) : $event;
$savemode = $event['_savemode'] ?: ($event['_instance'] ? 'current' : 'all');
}
// removing an exception instance
if ($event['recurrence_id'] && $master['recurrence'] && is_array($master['recurrence']['EXCEPTIONS'])) {
foreach ($master['recurrence']['EXCEPTIONS'] as $i => $exception) {
if ($exception['_instance'] == $event['_instance']) {
unset($master['recurrence']['EXCEPTIONS'][$i]);
// set event date back to the actual occurrence
if ($exception['recurrence_date'])
$event['start'] = $exception['recurrence_date'];
break;
}
}
}
switch ($savemode) {
case 'current':
$_SESSION['calendar_restore_event_data'] = $master;
// removing the first instance => just move to next occurence
if ($master['id'] == $event['id']) {
$recurring = reset($storage->get_recurring_events($event, $event['start'], null, $event['id'].'-1'));
// no future instances found: delete the master event (bug #1677)
if (!$recurring['start']) {
$success = $storage->delete_event($master, $force);
break;
}
$master['start'] = $recurring['start'];
$master['end'] = $recurring['end'];
if ($master['recurrence']['COUNT'])
$master['recurrence']['COUNT']--;
}
// remove the matching RDATE entry
else if ($master['recurrence']['RDATE']) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $event['start']->format('Ymd')) {
unset($master['recurrence']['RDATE'][$j]);
break;
}
}
}
else { // add exception to master event
$master['recurrence']['EXDATE'][] = $event['start'];
}
$success = $storage->update_event($master);
break;
case 'future':
if ($master['id'] != $event['id']) {
$_SESSION['calendar_restore_event_data'] = $master;
// set until-date on master event
$master['recurrence']['UNTIL'] = clone $event['start'];
$master['recurrence']['UNTIL']->sub(new DateInterval('P1D'));
unset($master['recurrence']['COUNT']);
// if all future instances are deleted, remove recurrence rule entirely (bug #1677)
if ($master['recurrence']['UNTIL']->format('Ymd') == $master['start']->format('Ymd')) {
$master['recurrence'] = array();
}
// remove matching RDATE entries
else if ($master['recurrence']['RDATE']) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $event['start']->format('Ymd')) {
$master['recurrence']['RDATE'] = array_slice($master['recurrence']['RDATE'], 0, $j);
break;
}
}
}
$success = $storage->update_event($master);
break;
}
default: // 'all' is default
if ($decline && $this->rc->config->get('kolab_invitation_calendars')) {
// don't delete but set PARTSTAT=DECLINED
if ($this->cal->lib->set_partstat($master, 'DECLINED')) {
$success = $storage->update_event($master);
}
}
if (!$success)
$success = $storage->delete_event($master, $force);
break;
}
}
if ($success && $this->freebusy_trigger)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
/**
* Restore a single deleted event
*
* @param array Hash array with event properties:
* id: Event identifier
* @return boolean True on success, False on error
*/
public function restore_event($event)
{
if ($storage = $this->get_calendar($event['calendar'])) {
if (!empty($_SESSION['calendar_restore_event_data']))
$success = $storage->update_event($_SESSION['calendar_restore_event_data']);
else
$success = $storage->restore_event($event);
if ($success && $this->freebusy_trigger)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
return false;
}
/**
* Wrapper to update an event object depending on the given savemode
*/
private function update_event($event)
{
if (!($storage = $this->get_calendar($event['calendar'])))
return false;
// move event to another folder/calendar
if ($event['_fromcalendar'] && $event['_fromcalendar'] != $event['calendar']) {
if (!($fromcalendar = $this->get_calendar($event['_fromcalendar'])))
return false;
if ($event['_savemode'] != 'new') {
if (!$fromcalendar->storage->move($event['id'], $storage->storage))
return false;
$fromcalendar = $storage;
}
}
else
$fromcalendar = $storage;
$success = false;
$savemode = 'all';
$attachments = array();
$old = $master = $fromcalendar->get_event($event['id']);
if (!$old || !$old['start']) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load event object to update: id=" . $event['id']),
true, false);
return false;
}
// delete existing attachment(s)
if (!empty($event['deleted_attachments'])) {
foreach ($event['deleted_attachments'] as $attachment) {
if (!empty($old['attachments'])) {
foreach ($old['attachments'] as $idx => $att) {
if ($att['id'] == $attachment) {
$old['attachments'][$idx]['_deleted'] = true;
}
}
}
}
unset($event['deleted_attachments']);
}
// handle attachments to add
if (!empty($event['attachments'])) {
foreach ($event['attachments'] as $attachment) {
// skip entries without content (could be existing ones)
if (!$attachment['data'] && !$attachment['path'])
continue;
$attachments[] = array(
'name' => $attachment['name'],
'mimetype' => $attachment['mimetype'],
'content' => $attachment['data'],
'path' => $attachment['path'],
);
}
}
$event['attachments'] = array_merge((array)$old['attachments'], $attachments);
// modify a recurring event, check submitted savemode to do the right things
if ($old['recurrence'] || $old['recurrence_id']) {
$master = $old['recurrence_id'] ? $fromcalendar->get_event($old['recurrence_id']) : $old;
$savemode = $event['_savemode'] ?: ($old['recurrence_id'] ? 'current' : 'all');
}
// check if update affects scheduling and update attendee status accordingly
$reschedule = $this->check_scheduling($event, $old, true);
// keep saved exceptions (not submitted by the client)
if ($old['recurrence']['EXDATE'] && !isset($event['recurrence']['EXDATE']))
$event['recurrence']['EXDATE'] = $old['recurrence']['EXDATE'];
if (isset($event['recurrence']['EXCEPTIONS']))
$with_exceptions = true; // exceptions already provided (e.g. from iCal import)
else if ($old['recurrence']['EXCEPTIONS'])
$event['recurrence']['EXCEPTIONS'] = $old['recurrence']['EXCEPTIONS'];
// remove some internal properties which should not be saved
unset($event['_savemode'], $event['_fromcalendar'], $event['_identity'], $event['_owner'],
$event['_notify'], $event['_method'], $event['_sender'], $event['_sender_utf'], $event['_size']);
switch ($savemode) {
case 'new':
// save submitted data as new (non-recurring) event
$event['recurrence'] = array();
$event['uid'] = $this->cal->generate_uid();
unset($event['recurrence_id'], $event['_instance'], $event['id']);
// copy attachment data to new event
foreach ((array)$event['attachments'] as $idx => $attachment) {
if (!$attachment['content'])
$event['attachments'][$idx]['content'] = $this->get_attachment_body($attachment['id'], $master);
}
if ($success = $storage->insert_event($event))
$success = $event['uid'];
break;
case 'future':
case 'current':
// recurring instances shall not store recurrence rules and attachments
$event['recurrence'] = array();
$event['thisandfuture'] = $savemode == 'future';
unset($event['attachments'], $event['id']);
// increment sequence of this instance if scheduling is affected
if ($reschedule) {
$event['sequence'] = max($old['sequence'], $master['sequence']) + 1;
}
// save properties to a recurrence exception instance
if ($old['_instance'] && is_array($master['recurrence']['EXCEPTIONS'])) {
if ($this->update_recurrence_exceptions($master, $event, $old, $savemode)) {
$success = $storage->update_event($master, $old['id']);
break;
}
}
$add_exception = true;
// adjust matching RDATE entry if dates changed
if ($savemode == 'current' && $master['recurrence']['RDATE'] && ($old_date = $old['start']->format('Ymd')) != $event['start']->format('Ymd')) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $old_date) {
$master['recurrence']['RDATE'][$j] = $event['start'];
sort($master['recurrence']['RDATE']);
$add_exception = false;
break;
}
}
}
// save as new exception to master event
if ($add_exception) {
$event['_instance'] = $old['_instance'];
$event['recurrence_date'] = $old['recurrence_date'] ?: $old['start'];
$master['recurrence']['EXCEPTIONS'][] = $event;
}
$success = $storage->update_event($master);
break;
default: // 'all' is default
$event['id'] = $master['id'];
$event['uid'] = $master['uid'];
// use start date from master but try to be smart on time or duration changes
$old_start_date = $old['start']->format('Y-m-d');
$old_start_time = $old['allday'] ? '' : $old['start']->format('H:i');
$old_duration = $old['end']->format('U') - $old['start']->format('U');
$new_start_date = $event['start']->format('Y-m-d');
$new_start_time = $event['allday'] ? '' : $event['start']->format('H:i');
$new_duration = $event['end']->format('U') - $event['start']->format('U');
$diff = $old_start_date != $new_start_date || $old_start_time != $new_start_time || $old_duration != $new_duration;
$date_shift = $old['start']->diff($event['start']);
// shifted or resized
if ($diff && ($old_start_date == $new_start_date || $old_duration == $new_duration)) {
$event['start'] = $master['start']->add($date_shift);
$event['end'] = clone $event['start'];
$event['end']->add(new DateInterval('PT'.$new_duration.'S'));
// remove fixed weekday, will be re-set to the new weekday in kolab_calendar::update_event()
if ($old_start_date != $new_start_date) {
if (strlen($event['recurrence']['BYDAY']) == 2)
unset($event['recurrence']['BYDAY']);
if ($old['recurrence']['BYMONTH'] == $old['start']->format('n'))
unset($event['recurrence']['BYMONTH']);
}
}
// dates did not change, use the ones from master
else if ($event['start'] == $old['start'] && $event['end'] == $old['end']) {
$event['start'] = $master['start'];
$event['end'] = $master['end'];
}
// TODO: forward changes to exceptions (which do not yet have differing values stored)
// adjust recurrence-id when start changed and therefore the entire recurrence chain changes
if (($old_start_date != $new_start_date || $old_start_time != $new_start_time) &&
is_array($event['recurrence']) && is_array($event['recurrence']['EXCEPTIONS']) && !$with_exceptions) {
$recurrence_id_format = $event['allday'] ? 'Ymd' : 'Ymd\THis';
foreach ($event['recurrence']['EXCEPTIONS'] as $i => $exception) {
$recurrence_id = is_a($exception['recurrence_date'], 'DateTime') ? $exception['recurrence_date'] :
rcube_utils::anytodatetime($exception['_instance'], $old['start']->getTimezone());
if (is_a($recurrence_id, 'DateTime')) {
$recurrence_id->add($date_shift);
$event['recurrence']['EXCEPTIONS'][$i]['recurrence_date'] = $recurrence_id;
$event['recurrence']['EXCEPTIONS'][$i]['_instance'] = $recurrence_id->format($recurrence_id_format);
}
}
}
// unset _dateonly flags in (cached) date objects
unset($event['start']->_dateonly, $event['end']->_dateonly);
$success = $storage->update_event($event);
break;
}
if ($success && $this->freebusy_trigger)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
/**
* Determine whether the current change affects scheduling and reset attendee status accordingly
*/
public function check_scheduling(&$event, $old, $update = true)
{
// skip this check when importing iCal/iTip events
if (isset($event['sequence']) || !empty($event['_method'])) {
return false;
}
// iterate through the list of properties considered 'significant' for scheduling
$kolab_event = $old['_formatobj'] ?: new kolab_format_event();
$reschedule = $kolab_event->check_rescheduling($event, $old);
// reset all attendee status to needs-action (#4360)
if ($update && $reschedule && is_array($event['attendees'])) {
$is_organizer = false;
$emails = $this->cal->get_user_emails();
$attendees = $event['attendees'];
foreach ($attendees as $i => $attendee) {
if ($attendee['role'] == 'ORGANIZER' && $attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
$is_organizer = true;
}
else if ($attendee['role'] != 'ORGANIZER' && $attendee['role'] != 'NON-PARTICIPANT' && $attendee['status'] != 'DELEGATED') {
$attendees[$i]['status'] = 'NEEDS-ACTION';
$attendees[$i]['rsvp'] = true;
}
}
// update attendees only if I'm the organizer
if ($is_organizer || ($event['organizer'] && in_array(strtolower($event['organizer']['email']), $emails))) {
$event['attendees'] = $attendees;
}
}
return $reschedule;
}
/**
* Apply the given changes to already existing exceptions
*/
protected function update_recurrence_exceptions(&$master, $event, $old, $savemode)
{
$saved = false;
$existing = null;
foreach ($master['recurrence']['EXCEPTIONS'] as $i => $exception) {
// update a specific instance
if ($exception['_instance'] == $old['_instance']) {
$existing = $i;
// check savemode against existing exception mode.
// if matches, we can update this existing exception
if ((bool)$exception['thisandfuture'] === ($savemode == 'future')) {
$event['_instance'] = $old['_instance'];
$event['thisandfuture'] = $old['thisandfuture'];
$event['recurrence_date'] = $old['recurrence_date'];
$master['recurrence']['EXCEPTIONS'][$i] = $event;
$saved = true;
}
}
// merge the new event properties onto future exceptions
if ($savemode == 'future' && $exception['_instance'] >= $old['_instance']) {
unset($event['thisandfuture']);
self::merge_event_data($master['recurrence']['EXCEPTIONS'][$i], $event);
}
}
/*
// we could not update the existing exception due to savemode mismatch...
if (!$saved && $existing !== null && $master['recurrence']['EXCEPTIONS'][$existing]['thisandfuture']) {
// ... try to move the existing this-and-future exception to the next occurrence
foreach ($this->get_recurring_events($master, $existing['start']) as $candidate) {
// our old this-and-future exception is obsolete
if ($candidate['thisandfuture']) {
unset($master['recurrence']['EXCEPTIONS'][$existing]);
$saved = true;
break;
}
// this occurrence doesn't yet have an exception
else if (!$candidate['isexception']) {
$event['_instance'] = $candidate['_instance'];
$event['recurrence_date'] = $candidate['recurrence_date'];
$master['recurrence']['EXCEPTIONS'][$i] = $event;
$saved = true;
break;
}
}
}
*/
// returning false here will add a new exception
return $saved;
}
/**
* Merge certain properties from the overlay event to the base event object
*
* @param array The event object to be altered
* @param array The overlay event object to be merged over $event
*/
public static function merge_event_data(&$event, $overlay)
{
static $forbidden = array('id','uid','recurrence','recurrence_date','thisandfuture','organizer','_attachments');
foreach ($overlay as $prop => $value) {
// adjust time of the recurring event instance
if ($prop == 'start' || $prop == 'end') {
if (is_object($event[$prop]) && is_a($event[$prop], 'DateTime')) {
$event[$prop]->setTime($value->format('G'), intval($value->format('i')), intval($value->format('s')));
// set date value if overlay is an exception of the current instance
if (substr($overlay['_instance'], 0, 8) == substr($event['_instance'], 0, 8)) {
$event[$prop]->setDate(intval($value->format('Y')), intval($value->format('n')), intval($value->format('j')));
}
}
}
else if ($prop == 'thisandfuture' && $overlay['_instance'] == $event['_instance']) {
$event[$prop] = $value;
}
else if ($prop[0] != '_' && !in_array($prop, $forbidden))
$event[$prop] = $value;
}
}
/**
* Update attendee properties on the given event object
*
* @param array The event object to be altered
* @param array List of hash arrays each represeting an updated/added attendee
*/
public static function merge_attendee_data(&$event, $attendees)
{
if (!empty($attendees) && !is_array($attendees[0])) {
$attendees = array($attendees);
}
foreach ($attendees as $attendee) {
$found = false;
foreach ($event['attendees'] as $i => $candidate) {
if ($candidate['email'] == $attendee['email']) {
$event['attendees'][$i] = $attendee;
$found = true;
break;
}
}
if (!$found) {
$event['attendees'][] = $attendee;
}
}
}
/**
* Get events from source.
*
* @param integer Event's new start (unix timestamp)
* @param integer Event's new end (unix timestamp)
* @param string Search query (optional)
* @param mixed List of calendar IDs to load events from (either as array or comma-separated string)
* @param boolean Include virtual events (optional)
* @param integer Only list events modified since this time (unix timestamp)
* @return array A list of event records
*/
public function load_events($start, $end, $search = null, $calendars = null, $virtual = 1, $modifiedsince = null)
{
if ($calendars && is_string($calendars))
$calendars = explode(',', $calendars);
else if (!$calendars)
$calendars = array_keys($this->calendars);
$query = array();
if ($modifiedsince)
$query[] = array('changed', '>=', $modifiedsince);
$events = $categories = array();
foreach ($calendars as $cid) {
if ($storage = $this->get_calendar($cid)) {
$events = array_merge($events, $storage->list_events($start, $end, $search, $virtual, $query));
$categories += $storage->categories;
}
}
// add events from the address books birthday calendar
if (in_array(self::BIRTHDAY_CALENDAR_ID, $calendars)) {
$events = array_merge($events, $this->load_birthday_events($start, $end, $search, $modifiedsince));
}
// add new categories to user prefs
$old_categories = $this->rc->config->get('calendar_categories', $this->default_categories);
if ($newcats = array_udiff(array_keys($categories), array_keys($old_categories), function($a, $b){ return strcasecmp($a, $b); })) {
foreach ($newcats as $category)
$old_categories[$category] = ''; // no color set yet
$this->rc->user->save_prefs(array('calendar_categories' => $old_categories));
}
return $events;
}
/**
* Get number of events in the given calendar
*
* @param mixed List of calendar IDs to count events (either as array or comma-separated string)
* @param integer Date range start (unix timestamp)
* @param integer Date range end (unix timestamp)
* @return array Hash array with counts grouped by calendar ID
*/
public function count_events($calendars, $start, $end = null)
{
$counts = array();
if ($calendars && is_string($calendars))
$calendars = explode(',', $calendars);
else if (!$calendars)
$calendars = array_keys($this->calendars);
foreach ($calendars as $cid) {
if ($storage = $this->get_calendar($cid)) {
$counts[$cid] = $storage->count_events($start, $end);
}
}
return $counts;
}
/**
* Get a list of pending alarms to be displayed to the user
*
* @see calendar_driver::pending_alarms()
*/
public function pending_alarms($time, $calendars = null)
{
$interval = 300;
$time -= $time % 60;
$slot = $time;
$slot -= $slot % $interval;
$last = $time - max(60, $this->rc->config->get('refresh_interval', 0));
$last -= $last % $interval;
// only check for alerts once in 5 minutes
if ($last == $slot)
return array();
if ($calendars && is_string($calendars))
$calendars = explode(',', $calendars);
$time = $slot + $interval;
$candidates = array();
$query = array(array('tags', '=', 'x-has-alarms'));
foreach ($this->calendars as $cid => $calendar) {
// skip calendars with alarms disabled
if (!$calendar->alarms || ($calendars && !in_array($cid, $calendars)))
continue;
foreach ($calendar->list_events($time, $time + 86400 * 365, null, 1, $query) as $e) {
// add to list if alarm is set
$alarm = libcalendaring::get_next_alarm($e);
if ($alarm && $alarm['time'] && $alarm['time'] >= $last && in_array($alarm['action'], $this->alarm_types)) {
$id = $alarm['id']; // use alarm-id as primary identifier
$candidates[$id] = array(
'id' => $id,
'title' => $e['title'],
'location' => $e['location'],
'start' => $e['start'],
'end' => $e['end'],
'notifyat' => $alarm['time'],
'action' => $alarm['action'],
);
}
}
}
// get alarm information stored in local database
if (!empty($candidates)) {
$alarm_ids = array_map(array($this->rc->db, 'quote'), array_keys($candidates));
$result = $this->rc->db->query("SELECT *"
. " FROM " . $this->rc->db->table_name('kolab_alarms', true)
. " WHERE `alarm_id` IN (" . join(',', $alarm_ids) . ")"
. " AND `user_id` = ?",
$this->rc->user->ID
);
while ($result && ($e = $this->rc->db->fetch_assoc($result))) {
$dbdata[$e['alarm_id']] = $e;
}
}
$alarms = array();
foreach ($candidates as $id => $alarm) {
// skip dismissed alarms
if ($dbdata[$id]['dismissed'])
continue;
// snooze function may have shifted alarm time
$notifyat = $dbdata[$id]['notifyat'] ? strtotime($dbdata[$id]['notifyat']) : $alarm['notifyat'];
if ($notifyat <= $time)
$alarms[] = $alarm;
}
return $alarms;
}
/**
* Feedback after showing/sending an alarm notification
*
* @see calendar_driver::dismiss_alarm()
*/
public function dismiss_alarm($alarm_id, $snooze = 0)
{
$alarms_table = $this->rc->db->table_name('kolab_alarms', true);
// delete old alarm entry
$this->rc->db->query("DELETE FROM $alarms_table"
. " WHERE `alarm_id` = ? AND `user_id` = ?",
$alarm_id,
$this->rc->user->ID
);
// set new notifyat time or unset if not snoozed
$notifyat = $snooze > 0 ? date('Y-m-d H:i:s', time() + $snooze) : null;
$query = $this->rc->db->query("INSERT INTO $alarms_table"
. " (`alarm_id`, `user_id`, `dismissed`, `notifyat`)"
. " VALUES (?, ?, ?, ?)",
$alarm_id,
$this->rc->user->ID,
$snooze > 0 ? 0 : 1,
$notifyat
);
return $this->rc->db->affected_rows($query);
}
/**
* List attachments from the given event
*/
public function list_attachments($event)
{
if (!($storage = $this->get_calendar($event['calendar'])))
return false;
$event = $storage->get_event($event['id']);
return $event['attachments'];
}
/**
* Get attachment properties
*/
public function get_attachment($id, $event)
{
if (!($storage = $this->get_calendar($event['calendar'])))
return false;
$event = $storage->get_event($event['id']);
if ($event && !empty($event['attachments'])) {
foreach ($event['attachments'] as $att) {
if ($att['id'] == $id) {
return $att;
}
}
}
return null;
}
/**
* Get attachment body
* @see calendar_driver::get_attachment_body()
*/
public function get_attachment_body($id, $event)
{
if (!($cal = $this->get_calendar($event['calendar'])))
return false;
return $cal->storage->get_attachment($event['id'], $id);
}
/**
* Build a struct representing the given message reference
*
* @see calendar_driver::get_message_reference()
*/
public function get_message_reference($uri_or_headers, $folder = null)
{
if (is_object($uri_or_headers)) {
$uri_or_headers = kolab_storage_config::get_message_uri($uri_or_headers, $folder);
}
if (is_string($uri_or_headers)) {
return kolab_storage_config::get_message_reference($uri_or_headers, 'event');
}
return false;
}
/**
* List availabale categories
* The default implementation reads them from config/user prefs
*/
public function list_categories()
{
// FIXME: complete list with categories saved in config objects (KEP:12)
return $this->rc->config->get('calendar_categories', $this->default_categories);
}
/**
* Create instances of a recurring event
*
* @param array Hash array with event properties
* @param object DateTime Start date of the recurrence window
* @param object DateTime End date of the recurrence window
* @return array List of recurring event instances
*/
public function get_recurring_events($event, $start, $end = null)
{
// load the given event data into a libkolabxml container
if (!$event['_formatobj']) {
$event_xml = new kolab_format_event();
$event_xml->set($event);
$event['_formatobj'] = $event_xml;
}
$this->_read_calendars();
$storage = reset($this->calendars);
return $storage->get_recurring_events($event, $start, $end);
}
/**
* Fetch free/busy information from a person within the given range
*/
public function get_freebusy_list($email, $start, $end)
{
if (empty($email)/* || $end < time()*/)
return false;
// map vcalendar fbtypes to internal values
$fbtypemap = array(
'FREE' => calendar::FREEBUSY_FREE,
'BUSY-TENTATIVE' => calendar::FREEBUSY_TENTATIVE,
'X-OUT-OF-OFFICE' => calendar::FREEBUSY_OOF,
'OOF' => calendar::FREEBUSY_OOF);
// ask kolab server first
try {
$request_config = array(
'store_body' => true,
'follow_redirects' => true,
);
$request = libkolab::http_request(kolab_storage::get_freebusy_url($email), 'GET', $request_config);
$response = $request->send();
// authentication required
if ($response->getStatus() == 401) {
$request->setAuth($this->rc->user->get_username(), $this->rc->decrypt($_SESSION['password']));
$response = $request->send();
}
if ($response->getStatus() == 200)
$fbdata = $response->getBody();
unset($request, $response);
}
catch (Exception $e) {
PEAR::raiseError("Error fetching free/busy information: " . $e->getMessage());
}
// get free-busy url from contacts
if (!$fbdata) {
$fburl = null;
foreach ((array)$this->rc->config->get('autocomplete_addressbooks', 'sql') as $book) {
$abook = $this->rc->get_address_book($book);
if ($result = $abook->search(array('email'), $email, true, true, true/*, 'freebusyurl'*/)) {
while ($contact = $result->iterate()) {
if ($fburl = $contact['freebusyurl']) {
$fbdata = @file_get_contents($fburl);
break;
}
}
}
if ($fbdata)
break;
}
}
// parse free-busy information using Horde classes
if ($fbdata) {
$ical = $this->cal->get_ical();
$ical->import($fbdata);
if ($fb = $ical->freebusy) {
$result = array();
foreach ($fb['periods'] as $tuple) {
list($from, $to, $type) = $tuple;
$result[] = array($from->format('U'), $to->format('U'), isset($fbtypemap[$type]) ? $fbtypemap[$type] : calendar::FREEBUSY_BUSY);
}
// we take 'dummy' free-busy lists as "unknown"
if (empty($result) && !empty($fb['comment']) && stripos($fb['comment'], 'dummy'))
return false;
// set period from $start till the begin of the free-busy information as 'unknown'
if ($fb['start'] && ($fbstart = $fb['start']->format('U')) && $start < $fbstart) {
array_unshift($result, array($start, $fbstart, calendar::FREEBUSY_UNKNOWN));
}
// pad period till $end with status 'unknown'
if ($fb['end'] && ($fbend = $fb['end']->format('U')) && $fbend < $end) {
$result[] = array($fbend, $end, calendar::FREEBUSY_UNKNOWN);
}
return $result;
}
}
return false;
}
/**
* Handler to push folder triggers when sent from client.
* Used to push free-busy changes asynchronously after updating an event
*/
public function push_freebusy()
{
// make shure triggering completes
set_time_limit(0);
ignore_user_abort(true);
$cal = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
if (!($cal = $this->get_calendar($cal)))
return false;
// trigger updates on folder
$trigger = $cal->storage->trigger();
if (is_object($trigger) && is_a($trigger, 'PEAR_Error')) {
rcube::raise_error(array(
'code' => 900, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed triggering folder. Error was " . $trigger->getMessage()),
true, false);
}
exit;
}
/**
* Convert from Kolab_Format to internal representation
*/
public static function to_rcube_event($record)
{
$record['id'] = $record['uid'];
// all-day events go from 12:00 - 13:00
if (is_a($record['start'], 'DateTime') && $record['end'] <= $record['start'] && $record['allday']) {
$record['end'] = clone $record['start'];
$record['end']->add(new DateInterval('PT1H'));
}
if (!empty($record['_attachments'])) {
foreach ($record['_attachments'] as $key => $attachment) {
if ($attachment !== false) {
if (!$attachment['name'])
$attachment['name'] = $key;
unset($attachment['path'], $attachment['content']);
$attachments[] = $attachment;
}
}
$record['attachments'] = $attachments;
}
if (!empty($record['attendees'])) {
foreach ((array)$record['attendees'] as $i => $attendee) {
if (is_array($attendee['delegated-from'])) {
$record['attendees'][$i]['delegated-from'] = join(', ', $attendee['delegated-from']);
}
if (is_array($attendee['delegated-to'])) {
$record['attendees'][$i]['delegated-to'] = join(', ', $attendee['delegated-to']);
}
}
}
// Roundcube only supports one category assignment
if (is_array($record['categories']))
$record['categories'] = $record['categories'][0];
// the cancelled flag transltes into status=CANCELLED
if ($record['cancelled'])
$record['status'] = 'CANCELLED';
// The web client only supports DISPLAY type of alarms
if (!empty($record['alarms']))
$record['alarms'] = preg_replace('/:[A-Z]+$/', ':DISPLAY', $record['alarms']);
// remove empty recurrence array
if (empty($record['recurrence']))
unset($record['recurrence']);
// add instance identifier to first occurrence (master event)
+ // do not add 'recurrence_date' though in order to keep the master even being exported as such
if ($record['recurrence'] && !$record['recurrence_id'] && !$record['_instance']) {
- $recurrence_id_format = $event['allday'] ? 'Ymd' : 'Ymd\THis';
- $record['recurrence_date'] = $record['start'];
- $record['_instance'] = $record['recurrence_date']->format($recurrence_id_format);
+ $recurrence_id_format = $record['allday'] ? 'Ymd' : 'Ymd\THis';
+ $record['_instance'] = $record['start']->format($recurrence_id_format);
}
// remove internals
unset($record['_mailbox'], $record['_msguid'], $record['_formatobj'], $record['_attachments'], $record['x-custom']);
return $record;
}
/**
* Set CSS class according to the event's attendde partstat
*/
public static function add_partstat_class($event, $partstats, $user = null)
{
// set classes according to PARTSTAT
if (is_array($event['attendees'])) {
$user_emails = libcalendaring::get_instance()->get_user_emails($user);
$partstat = 'UNKNOWN';
foreach ($event['attendees'] as $attendee) {
if (in_array($attendee['email'], $user_emails)) {
$partstat = $attendee['status'];
break;
}
}
if (in_array($partstat, $partstats)) {
$event['className'] = trim($event['className'] . ' fc-invitation-' . strtolower($partstat));
}
}
return $event;
}
/**
* Provide a list of revisions for the given event
*
* @param array $event Hash array with event properties
*
* @return array List of changes, each as a hash array
* @see calendar_driver::get_event_changelog()
*/
public function get_event_changelog($event)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox) = $this->_resolve_event_identity($event);
$result = $this->bonnie_api->changelog('event', $uid, $mailbox);
if (is_array($result) && $result['uid'] == $uid) {
return $result['changes'];
}
return false;
}
/**
* Get a list of property changes beteen two revisions of an event
*
* @param array $event Hash array with event properties
* @param mixed $rev Revisions: "from:to"
*
* @return array List of property changes, each as a hash array
* @see calendar_driver::get_event_diff()
*/
public function get_event_diff($event, $rev)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox) = $this->_resolve_event_identity($event);
// call Bonnie API
$result = $this->bonnie_api->diff('event', $uid, $rev, $mailbox);
if (is_array($result) && $result['uid'] == $uid) {
$result['rev'] = $rev;
$keymap = array(
'dtstart' => 'start',
'dtend' => 'end',
'dstamp' => 'changed',
'summary' => 'title',
'alarm' => 'alarms',
'attendee' => 'attendees',
'attach' => 'attachments',
'rrule' => 'recurrence',
'transparency' => 'free_busy',
'classification' => 'sensitivity',
'lastmodified-date' => 'changed',
);
$prop_keymaps = array(
'attachments' => array('fmttype' => 'mimetype', 'label' => 'name'),
'attendees' => array('partstat' => 'status'),
);
$special_changes = array();
// map kolab event properties to keys the client expects
array_walk($result['changes'], function(&$change, $i) use ($keymap, $prop_keymaps, $special_changes) {
if (array_key_exists($change['property'], $keymap)) {
$change['property'] = $keymap[$change['property']];
}
// translate free_busy values
if ($change['property'] == 'free_busy') {
$change['old'] = $old['old'] ? 'free' : 'busy';
$change['new'] = $old['new'] ? 'free' : 'busy';
}
// map alarms trigger value
if ($change['property'] == 'alarms') {
if (is_array($change['old']) && is_array($change['old']['trigger']))
$change['old']['trigger'] = $change['old']['trigger']['value'];
if (is_array($change['new']) && is_array($change['new']['trigger']))
$change['new']['trigger'] = $change['new']['trigger']['value'];
}
// make all property keys uppercase
if ($change['property'] == 'recurrence') {
$special_changes['recurrence'] = $i;
foreach (array('old','new') as $m) {
if (is_array($change[$m])) {
$props = array();
foreach ($change[$m] as $k => $v)
$props[strtoupper($k)] = $v;
$change[$m] = $props;
}
}
}
// map property keys names
if (is_array($prop_keymaps[$change['property']])) {
foreach ($prop_keymaps[$change['property']] as $k => $dest) {
if (is_array($change['old']) && array_key_exists($k, $change['old'])) {
$change['old'][$dest] = $change['old'][$k];
unset($change['old'][$k]);
}
if (is_array($change['new']) && array_key_exists($k, $change['new'])) {
$change['new'][$dest] = $change['new'][$k];
unset($change['new'][$k]);
}
}
}
if ($change['property'] == 'exdate') {
$special_changes['exdate'] = $i;
}
else if ($change['property'] == 'rdate') {
$special_changes['rdate'] = $i;
}
});
// merge some recurrence changes
foreach (array('exdate','rdate') as $prop) {
if (array_key_exists($prop, $special_changes)) {
$exdate = $result['changes'][$special_changes[$prop]];
if (array_key_exists('recurrence', $special_changes)) {
$recurrence = &$result['changes'][$special_changes['recurrence']];
}
else {
$i = count($result['changes']);
$result['changes'][$i] = array('property' => 'recurrence', 'old' => array(), 'new' => array());
$recurrence = &$result['changes'][$i]['recurrence'];
}
$key = strtoupper($prop);
$recurrence['old'][$key] = $exdate['old'];
$recurrence['new'][$key] = $exdate['new'];
unset($result['changes'][$special_changes[$prop]]);
}
}
return $result;
}
return false;
}
/**
* Return full data of a specific revision of an event
*
* @param array Hash array with event properties
* @param mixed $rev Revision number
*
* @return array Event object as hash array
* @see calendar_driver::get_event_revison()
*/
public function get_event_revison($event, $rev)
{
if (empty($this->bonnie_api)) {
return false;
}
$calid = $event['calendar'];
list($uid, $mailbox) = $this->_resolve_event_identity($event);
// call Bonnie API
$result = $this->bonnie_api->get('event', $uid, $rev, $mailbox);
if (is_array($result) && $result['uid'] == $uid && !empty($result['xml'])) {
$format = kolab_format::factory('event');
$format->load($result['xml']);
$event = $format->to_array();
if ($format->is_valid()) {
$event['calendar'] = $calid;
$event['rev'] = $result['rev'];
return self::to_rcube_event($event);
}
}
return false;
}
/**
* Helper method to resolved the given event identifier into uid and folder
*
* @return array (uid,folder) tuple
*/
private function _resolve_event_identity($event)
{
$mailbox = null;
if (is_array($event)) {
$uid = $event['id'] ?: $event['uid'];
if (($cal = $this->get_calendar($event['calendar'])) && !($cal instanceof kolab_invitation_calendar)) {
$mailbox = $cal->get_mailbox_id();
}
}
else {
$uid = $event;
}
return array($uid, $mailbox);
}
/**
* Callback function to produce driver-specific calendar create/edit form
*
* @param string Request action 'form-edit|form-new'
* @param array Calendar properties (e.g. id, color)
* @param array Edit form fields
*
* @return string HTML content of the form
*/
public function calendar_form($action, $calendar, $formfields)
{
// show default dialog for birthday calendar
if (in_array($calendar['id'], array(self::BIRTHDAY_CALENDAR_ID, self::INVITATIONS_CALENDAR_PENDING, self::INVITATIONS_CALENDAR_DECLINED))) {
if ($calendar['id'] != self::BIRTHDAY_CALENDAR_ID)
unset($formfields['showalarms']);
return parent::calendar_form($action, $calendar, $formfields);
}
if ($calendar['id'] && ($cal = $this->calendars[$calendar['id']])) {
$folder = $cal->get_realname(); // UTF7
$color = $cal->get_color();
}
else {
$folder = '';
$color = '';
}
$hidden_fields[] = array('name' => 'oldname', 'value' => $folder);
$storage = $this->rc->get_storage();
$delim = $storage->get_hierarchy_delimiter();
$form = array();
if (strlen($folder)) {
$path_imap = explode($delim, $folder);
array_pop($path_imap); // pop off name part
$path_imap = implode($path_imap, $delim);
$options = $storage->folder_info($folder);
}
else {
$path_imap = '';
}
// General tab
$form['props'] = array(
'name' => $this->rc->gettext('properties'),
);
// Disable folder name input
if (!empty($options) && ($options['norename'] || $options['protected'])) {
$input_name = new html_hiddenfield(array('name' => 'name', 'id' => 'calendar-name'));
$formfields['name']['value'] = kolab_storage::object_name($folder)
. $input_name->show($folder);
}
// calendar name (default field)
$form['props']['fieldsets']['location'] = array(
'name' => $this->rc->gettext('location'),
'content' => array(
'name' => $formfields['name']
),
);
if (!empty($options) && ($options['norename'] || $options['protected'])) {
// prevent user from moving folder
$hidden_fields[] = array('name' => 'parent', 'value' => $path_imap);
}
else {
$select = kolab_storage::folder_selector('event', array('name' => 'parent', 'id' => 'calendar-parent'), $folder);
$form['props']['fieldsets']['location']['content']['path'] = array(
'id' => 'calendar-parent',
'label' => $this->cal->gettext('parentcalendar'),
'value' => $select->show(strlen($folder) ? $path_imap : ''),
);
}
// calendar color (default field)
$form['props']['fieldsets']['settings'] = array(
'name' => $this->rc->gettext('settings'),
'content' => array(
'color' => $formfields['color'],
'showalarms' => $formfields['showalarms'],
),
);
if ($action != 'form-new') {
$form['sharing'] = array(
'name' => Q($this->cal->gettext('tabsharing')),
'content' => html::tag('iframe', array(
'src' => $this->cal->rc->url(array('_action' => 'calendar-acl', 'id' => $calendar['id'], 'framed' => 1)),
'width' => '100%',
'height' => 350,
'border' => 0,
'style' => 'border:0'),
''),
);
}
$this->form_html = '';
if (is_array($hidden_fields)) {
foreach ($hidden_fields as $field) {
$hiddenfield = new html_hiddenfield($field);
$this->form_html .= $hiddenfield->show() . "\n";
}
}
// Create form output
foreach ($form as $tab) {
if (!empty($tab['fieldsets']) && is_array($tab['fieldsets'])) {
$content = '';
foreach ($tab['fieldsets'] as $fieldset) {
$subcontent = $this->get_form_part($fieldset);
if ($subcontent) {
$content .= html::tag('fieldset', null, html::tag('legend', null, Q($fieldset['name'])) . $subcontent) ."\n";
}
}
}
else {
$content = $this->get_form_part($tab);
}
if ($content) {
$this->form_html .= html::tag('fieldset', null, html::tag('legend', null, Q($tab['name'])) . $content) ."\n";
}
}
// Parse form template for skin-dependent stuff
$this->rc->output->add_handler('calendarform', array($this, 'calendar_form_html'));
return $this->rc->output->parse('calendar.kolabform', false, false);
}
/**
* Handler for template object
*/
public function calendar_form_html()
{
return $this->form_html;
}
/**
* Helper function used in calendar_form_content(). Creates a part of the form.
*/
private function get_form_part($form)
{
$content = '';
if (is_array($form['content']) && !empty($form['content'])) {
$table = new html_table(array('cols' => 2));
foreach ($form['content'] as $col => $colprop) {
$label = !empty($colprop['label']) ? $colprop['label'] : rcube_label($col);
$table->add('title', html::label($colprop['id'], Q($label)));
$table->add(null, $colprop['value']);
}
$content = $table->show();
}
else {
$content = $form['content'];
}
return $content;
}
/**
* Handler to render ACL form for a calendar folder
*/
public function calendar_acl()
{
$this->rc->output->add_handler('folderacl', array($this, 'calendar_acl_form'));
$this->rc->output->send('calendar.kolabacl');
}
/**
* Handler for ACL form template object
*/
public function calendar_acl_form()
{
$calid = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
if ($calid && ($cal = $this->get_calendar($calid))) {
$folder = $cal->get_realname(); // UTF7
$color = $cal->get_color();
}
else {
$folder = '';
$color = '';
}
$storage = $this->rc->get_storage();
$delim = $storage->get_hierarchy_delimiter();
$form = array();
if (strlen($folder)) {
$path_imap = explode($delim, $folder);
array_pop($path_imap); // pop off name part
$path_imap = implode($path_imap, $delim);
$options = $storage->folder_info($folder);
// Allow plugins to modify the form content (e.g. with ACL form)
$plugin = $this->rc->plugins->exec_hook('calendar_form_kolab',
array('form' => $form, 'options' => $options, 'name' => $folder));
}
if (!$plugin['form']['sharing']['content'])
$plugin['form']['sharing']['content'] = html::div('hint', $this->cal->gettext('aclnorights'));
return $plugin['form']['sharing']['content'];
}
/**
* Handler for user_delete plugin hook
*/
public function user_delete($args)
{
$db = $this->rc->get_dbh();
foreach (array('kolab_alarms', 'itipinvitations') as $table) {
$db->query("DELETE FROM " . $this->rc->db->table_name($table, true)
. " WHERE `user_id` = ?", $args['user']->ID);
}
}
}

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