376 lines
9.4 KiB
PHP
376 lines
9.4 KiB
PHP
<?php
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/**
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* Kolab calendar storage class simulating a virtual calendar listing pedning/declined invitations
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*
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* @author Thomas Bruederli <bruederli@kolabsys.com>
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*
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* Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class kolab_invitation_calendar
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{
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public $id = '__invitation__';
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public $ready = true;
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public $alarms = false;
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public $readonly = true;
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public $attachments = false;
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public $subscriptions = false;
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public $partstats = array('unknown');
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public $categories = array();
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public $name = 'Invitations';
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/**
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* Default constructor
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*/
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public function __construct($id, $calendar)
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{
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$this->cal = $calendar;
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$this->id = $id;
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switch ($this->id) {
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case kolab_driver::INVITATIONS_CALENDAR_PENDING:
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$this->partstats = array('NEEDS-ACTION');
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$this->name = $this->cal->gettext('invitationspending');
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if (!empty($_REQUEST['_quickview']))
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$this->partstats[] = 'TENTATIVE';
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break;
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case kolab_driver::INVITATIONS_CALENDAR_DECLINED:
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$this->partstats = array('DECLINED');
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$this->name = $this->cal->gettext('invitationsdeclined');
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break;
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}
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// user-specific alarms settings win
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$prefs = $this->cal->rc->config->get('kolab_calendars', array());
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if (isset($prefs[$this->id]['showalarms']))
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$this->alarms = $prefs[$this->id]['showalarms'];
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}
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/**
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* Getter for a nice and human readable name for this calendar
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*
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* @return string Name of this calendar
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*/
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public function get_name()
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{
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return $this->name;
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}
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/**
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* Getter for the IMAP folder owner
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*
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* @return string Name of the folder owner
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*/
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public function get_owner()
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{
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return $this->cal->rc->get_user_name();
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}
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/**
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*
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*/
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public function get_title()
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{
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return $this->get_name();
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}
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/**
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* Getter for the name of the namespace to which the IMAP folder belongs
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*
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* @return string Name of the namespace (personal, other, shared)
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*/
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public function get_namespace()
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{
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return 'x-special';
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}
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/**
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* Getter for the top-end calendar folder name (not the entire path)
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*
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* @return string Name of this calendar
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*/
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public function get_foldername()
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{
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return $this->get_name();
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}
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/**
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* Getter for the Cyrus mailbox identifier corresponding to this folder
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*
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* @return string Mailbox ID
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*/
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public function get_mailbox_id()
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{
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// this is a virtual collection and has no concrete mailbox ID
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return null;
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}
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/**
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* Return color to display this calendar
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*/
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public function get_color()
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{
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// calendar color is stored in local user prefs
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$prefs = $this->cal->rc->config->get('kolab_calendars', array());
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if (!empty($prefs[$this->id]) && !empty($prefs[$this->id]['color']))
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return $prefs[$this->id]['color'];
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return 'ffffff';
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}
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/**
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* Compose an URL for CalDAV access to this calendar (if configured)
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*/
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public function get_caldav_url()
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{
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return false;
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}
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/**
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* Check activation status of this folder
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*
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* @return boolean True if enabled, false if not
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*/
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public function is_active()
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{
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$prefs = $this->cal->rc->config->get('kolab_calendars', array()); // read local prefs
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return (bool)$prefs[$this->id]['active'];
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}
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/**
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* Update properties of this calendar folder
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*
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* @see calendar_driver::edit_calendar()
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*/
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public function update(&$prop)
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{
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// don't change anything.
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// let kolab_driver save props in local prefs
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return $prop['id'];
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}
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/**
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* Getter for a single event object
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*/
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public function get_event($id)
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{
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// redirect call to kolab_driver::get_event()
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$event = $this->cal->driver->get_event($id, calendar_driver::FILTER_WRITEABLE);
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if (is_array($event)) {
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// add pointer to original calendar folder
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$event['_folder_id'] = $event['calendar'];
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$event = $this->_mod_event($event);
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}
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return $event;
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}
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/**
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* Get attachment body
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* @see calendar_driver::get_attachment_body()
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*/
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public function get_attachment_body($id, $event)
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{
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// find the actual folder this event resides in
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if (!empty($event['_folder_id'])) {
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$cal = $this->cal->get_calendar($event['_folder_id']);
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}
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else {
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$cal = null;
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foreach (kolab_storage::list_folders('', '*', 'event', null) as $foldername) {
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$cal = new kolab_calendar($foldername, $this->cal);
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if ($cal->ready && $cal->storage && $cal->get_event($event['id'])) {
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break;
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}
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}
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}
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if ($cal && $cal->storage) {
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return $cal->get_attachment_body($id, $event);
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}
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return false;
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}
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/**
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* @param integer Event's new start (unix timestamp)
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* @param integer Event's new end (unix timestamp)
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* @param string Search query (optional)
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* @param boolean Include virtual events (optional)
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* @param array Additional parameters to query storage
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* @return array A list of event records
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*/
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public function list_events($start, $end, $search = null, $virtual = 1, $query = array())
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{
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// get email addresses of the current user
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$user_emails = $this->cal->get_user_emails();
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$subquery = array();
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foreach ($user_emails as $email) {
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foreach ($this->partstats as $partstat) {
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$subquery[] = array('tags', '=', 'x-partstat:' . $email . ':' . strtolower($partstat));
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}
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}
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// aggregate events from all calendar folders
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$events = array();
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foreach (kolab_storage::list_folders('', '*', 'event', null) as $foldername) {
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$cal = new kolab_calendar($foldername, $this->cal);
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if ($cal->get_namespace() == 'other')
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continue;
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foreach ($cal->list_events($start, $end, $search, 1, $query, array(array($subquery, 'OR'))) as $event) {
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$match = false;
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// post-filter events to match out partstats
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if (is_array($event['attendees'])) {
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foreach ($event['attendees'] as $attendee) {
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if (in_array($attendee['email'], $user_emails) && in_array($attendee['status'], $this->partstats)) {
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$match = true;
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break;
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}
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}
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}
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if ($match) {
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$events[$event['id']] = $this->_mod_event($event);
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}
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}
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// merge list of event categories (really?)
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$this->categories += $cal->categories;
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}
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return $events;
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}
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/**
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*
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* @param integer Date range start (unix timestamp)
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* @param integer Date range end (unix timestamp)
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* @return integer Count
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*/
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public function count_events($start, $end = null)
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{
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// get email addresses of the current user
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$user_emails = $this->cal->get_user_emails();
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$subquery = array();
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foreach ($user_emails as $email) {
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foreach ($this->partstats as $partstat) {
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$subquery[] = array('tags', '=', 'x-partstat:' . $email . ':' . strtolower($partstat));
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}
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}
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$filter = array(
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array('tags','!=','x-status:cancelled'),
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array($subquery, 'OR')
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);
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// aggregate counts from all calendar folders
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$count = 0;
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foreach (kolab_storage::list_folders('', '*', 'event', null) as $foldername) {
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$cal = new kolab_calendar($foldername, $this->cal);
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if ($cal->get_namespace() == 'other')
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continue;
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$count += $cal->count_events($start, $end, $filter);
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}
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return $count;
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}
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/**
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* Helper method to modify some event properties
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*/
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private function _mod_event($event)
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{
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// set classes according to PARTSTAT
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$event = kolab_driver::add_partstat_class($event, $this->partstats);
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if (strpos($event['className'], 'fc-invitation-') !== false) {
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$event['calendar'] = $this->id;
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}
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return $event;
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}
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/**
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* Create a new event record
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*
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* @see calendar_driver::new_event()
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*
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* @return mixed The created record ID on success, False on error
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*/
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public function insert_event($event)
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{
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return false;
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}
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/**
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* Update a specific event record
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*
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* @see calendar_driver::new_event()
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* @return boolean True on success, False on error
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*/
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public function update_event($event, $exception_id = null)
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{
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// forward call to the actual storage folder
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if ($event['_folder_id']) {
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$cal = $this->cal->driver->get_calendar($event['_folder_id']);
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if ($cal && $cal->ready) {
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return $cal->update_event($event, $exception_id);
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}
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}
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return false;
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}
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/**
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* Delete an event record
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*
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* @see calendar_driver::remove_event()
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* @return boolean True on success, False on error
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*/
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public function delete_event($event, $force = true)
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{
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return false;
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}
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/**
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* Restore deleted event record
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*
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* @see calendar_driver::undelete_event()
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* @return boolean True on success, False on error
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*/
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public function restore_event($event)
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{
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return false;
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}
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}
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