<?php
/**
* Kolab Groupware driver for the Tasklist plugin
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2012-2015, 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 tasklist_kolab_driver extends tasklist_driver
{
// features supported by the backend
public $alarms = false;
public $attachments = true;
public $attendees = true;
public $undelete = false; // task undelete action
public $alarm_types = array('DISPLAY','AUDIO');
public $search_more_results;
private $rc;
private $plugin;
private $lists;
private $folders = array();
private $tasks = array();
private $tags = array();
private $bonnie_api = false;
/**
* Default constructor
*/
public function __construct($plugin)
{
$this->rc = $plugin->rc;
$this->plugin = $plugin;
if (kolab_storage::$version == '2.0') {
$this->alarm_absolute = false;
}
// tasklist use fully encoded identifiers
kolab_storage::$encode_ids = true;
// get configuration for the Bonnie API
$this->bonnie_api = libkolab::get_bonnie_api();
$this->plugin->register_action('folder-acl', array($this, 'folder_acl'));
}
/**
* Read available calendars for the current user and store them internally
*/
private function _read_lists($force = false)
{
// already read sources
if (isset($this->lists) && !$force) {
return $this->lists;
}
// get all folders that have type "task"
$folders = kolab_storage::sort_folders(kolab_storage::get_folders('task'));
$this->lists = $this->folders = array();
$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
// find default folder
$default_index = 0;
foreach ($folders as $i => $folder) {
if ($folder->default && strpos($folder->name, $delim) === false)
$default_index = $i;
}
// put default folder (aka INBOX) on top of the list
if ($default_index > 0) {
$default_folder = $folders[$default_index];
unset($folders[$default_index]);
array_unshift($folders, $default_folder);
}
$prefs = $this->rc->config->get('kolab_tasklists', array());
foreach ($folders as $folder) {
$tasklist = $this->folder_props($folder, $prefs);
$this->lists[$tasklist['id']] = $tasklist;
$this->folders[$tasklist['id']] = $folder;
$this->folders[$folder->name] = $folder;
}
return $this->lists;
}
/**
* Derive list properties from the given kolab_storage_folder object
*/
protected function folder_props($folder, $prefs)
{
if ($folder->get_namespace() == 'personal') {
$norename = false;
$editable = true;
$rights = 'lrswikxtea';
$alarms = true;
}
else {
$alarms = false;
$rights = 'lr';
$editable = false;
if ($myrights = $folder->get_myrights()) {
$rights = $myrights;
if (strpos($rights, 't') !== false || strpos($rights, 'd') !== false)
$editable = strpos($rights, 'i') !== false;
}
$info = $folder->get_folder_info();
$norename = $readonly || $info['norename'] || $info['protected'];
}
$list_id = $folder->id; #kolab_storage::folder_id($folder->name);
$old_id = kolab_storage::folder_id($folder->name, false);
if (!isset($prefs[$list_id]['showalarms']) && isset($prefs[$old_id]['showalarms'])) {
$prefs[$list_id]['showalarms'] = $prefs[$old_id]['showalarms'];
}
return array(
'id' => $list_id,
'name' => $folder->get_name(),
'listname' => $folder->get_foldername(),
'editname' => $folder->get_foldername(),
'color' => $folder->get_color('0000CC'),
'showalarms' => isset($prefs[$list_id]['showalarms']) ? $prefs[$list_id]['showalarms'] : $alarms,
'editable' => $editable,
'rights' => $rights,
'norename' => $norename,
'active' => $folder->is_active(),
'owner' => $folder->get_owner(),
'parentfolder' => $folder->get_parent(),
'default' => $folder->default,
'virtual' => $folder->virtual,
'children' => true, // TODO: determine if that folder indeed has child folders
'subscribed' => (bool)$folder->is_subscribed(),
'removable' => !$folder->default,
'subtype' => $folder->subtype,
'group' => $folder->default ? 'default' : $folder->get_namespace(),
'class' => trim($folder->get_namespace() . ($folder->default ? ' default' : '')),
'caldavuid' => $folder->get_uid(),
'history' => !empty($this->bonnie_api),
);
}
/**
* Get a list of available task lists from this source
*
* @param integer Bitmask defining filter criterias.
* See FILTER_* constants for possible values.
*/
public function get_lists($filter = 0, &$tree = null)
{
$this->_read_lists();
// attempt to create a default list for this user
if (empty($this->lists) && !isset($this->search_more_results)) {
$prop = array('name' => 'Tasks', 'color' => '0000CC', 'default' => true);
if ($this->create_list($prop))
$this->_read_lists(true);
}
$folders = $this->filter_folders($filter);
// include virtual folders for a full folder tree
if (!is_null($tree)) {
$folders = kolab_storage::folder_hierarchy($folders, $tree);
}
$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
$prefs = $this->rc->config->get('kolab_tasklists', array());
$lists = array();
foreach ($folders as $folder) {
$list_id = $folder->id; // kolab_storage::folder_id($folder->name);
$imap_path = explode($delim, $folder->name);
// find parent
do {
array_pop($imap_path);
$parent_id = kolab_storage::folder_id(join($delim, $imap_path));
}
while (count($imap_path) > 1 && !$this->folders[$parent_id]);
// restore "real" parent ID
if ($parent_id && !$this->folders[$parent_id]) {
$parent_id = kolab_storage::folder_id($folder->get_parent());
}
$fullname = $folder->get_name();
$listname = $folder->get_foldername();
// special handling for virtual folders
if ($folder instanceof kolab_storage_folder_user) {
$lists[$list_id] = array(
'id' => $list_id,
'name' => $fullname,
'listname' => $listname,
'title' => $folder->get_title(),
'virtual' => true,
'editable' => false,
'rights' => 'l',
'group' => 'other virtual',
'class' => 'user',
'parent' => $parent_id,
);
}
else if ($folder->virtual) {
$lists[$list_id] = array(
'id' => $list_id,
'name' => $fullname,
'listname' => $listname,
'virtual' => true,
'editable' => false,
'rights' => 'l',
'group' => $folder->get_namespace(),
'class' => 'folder',
'parent' => $parent_id,
);
}
else {
if (!$this->lists[$list_id]) {
$this->lists[$list_id] = $this->folder_props($folder, $prefs);
$this->folders[$list_id] = $folder;
}
$this->lists[$list_id]['parent'] = $parent_id;
$lists[$list_id] = $this->lists[$list_id];
}
}
return $lists;
}
/**
* Get list of folders according to specified filters
*
* @param integer Bitmask defining restrictions. See FILTER_* constants for possible values.
*
* @return array List of task folders
*/
protected function filter_folders($filter)
{
$this->_read_lists();
$folders = array();
foreach ($this->lists as $id => $list) {
if (!empty($this->folders[$id])) {
$folder = $this->folders[$id];
if ($folder->get_namespace() == 'personal') {
$folder->editable = true;
}
else if ($rights = $folder->get_myrights()) {
if (strpos($rights, 't') !== false || strpos($rights, 'd') !== false) {
$folder->editable = strpos($rights, 'i') !== false;
}
}
$folders[] = $folder;
}
}
$plugin = $this->rc->plugins->exec_hook('tasklist_list_filter', array(
'list' => $folders,
'filter' => $filter,
'tasklists' => $folders,
));
if ($plugin['abort'] || !$filter) {
return $plugin['tasklists'];
}
$personal = $filter & self::FILTER_PERSONAL;
$shared = $filter & self::FILTER_SHARED;
$tasklists = array();
foreach ($folders as $folder) {
if (($filter & self::FILTER_WRITEABLE) && !$folder->editable) {
continue;
}
/*
if (($filter & self::FILTER_INSERTABLE) && !$folder->insert) {
continue;
}
if (($filter & self::FILTER_ACTIVE) && !$folder->is_active()) {
continue;
}
if (($filter & self::FILTER_PRIVATE) && $folder->subtype != 'private') {
continue;
}
if (($filter & self::FILTER_CONFIDENTIAL) && $folder->subtype != 'confidential') {
continue;
}
*/
if ($personal || $shared) {
$ns = $folder->get_namespace();
if (!(($personal && $ns == 'personal') || ($shared && $ns == 'shared'))) {
continue;
}
}
$tasklists[$folder->id] = $folder;
}
return $tasklists;
}
/**
* Get the kolab_calendar instance for the given calendar ID
*
* @param string List identifier (encoded imap folder name)
* @return object kolab_storage_folder Object nor null if list doesn't exist
*/
protected function get_folder($id)
{
$this->_read_lists();
// create list and folder instance if necesary
if (!$this->lists[$id]) {
$folder = kolab_storage::get_folder(kolab_storage::id_decode($id));
if ($folder->type) {
$this->folders[$id] = $folder;
$this->lists[$id] = $this->folder_props($folder, $this->rc->config->get('kolab_tasklists', array()));
}
}
return $this->folders[$id];
}
/**
* Create a new list assigned to the current user
*
* @param array Hash array with list properties
* name: List name
* color: The color of the list
* showalarms: True if alarms are enabled
* @return mixed ID of the new list on success, False on error
*/
public function create_list(&$prop)
{
$prop['type'] = 'task' . ($prop['default'] ? '.default' : '');
$prop['active'] = true; // activate folder by default
$prop['subscribed'] = true;
$folder = kolab_storage::folder_update($prop);
if ($folder === false) {
$this->last_error = kolab_storage::$last_error;
return false;
}
// create ID
$id = kolab_storage::folder_id($folder);
$prefs['kolab_tasklists'] = $this->rc->config->get('kolab_tasklists', array());
if (isset($prop['showalarms']))
$prefs['kolab_tasklists'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if ($prefs['kolab_tasklists'][$id])
$this->rc->user->save_prefs($prefs);
// force page reload to properly render folder hierarchy
if (!empty($prop['parent'])) {
$prop['_reload'] = true;
}
else {
$folder = kolab_storage::get_folder($folder);
$prop += $this->folder_props($folder, array());
}
return $id;
}
/**
* Update properties of an existing tasklist
*
* @param array Hash array with list properties
* id: List Identifier
* name: List name
* color: The color of the list
* showalarms: True if alarms are enabled (if supported)
* @return boolean True on success, Fales on failure
*/
public function edit_list(&$prop)
{
if ($prop['id'] && ($folder = $this->get_folder($prop['id']))) {
$prop['oldname'] = $folder->name;
$prop['type'] = 'task';
$newfolder = kolab_storage::folder_update($prop);
if ($newfolder === false) {
$this->last_error = kolab_storage::$last_error;
return false;
}
// create ID
$id = kolab_storage::folder_id($newfolder);
// fallback to local prefs
$prefs['kolab_tasklists'] = $this->rc->config->get('kolab_tasklists', array());
unset($prefs['kolab_tasklists'][$prop['id']]);
if (isset($prop['showalarms']))
$prefs['kolab_tasklists'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if ($prefs['kolab_tasklists'][$id])
$this->rc->user->save_prefs($prefs);
// force page reload if folder name/hierarchy changed
if ($newfolder != $prop['oldname'])
$prop['_reload'] = true;
return $id;
}
return false;
}
/**
* Set active/subscribed state of a list
*
* @param array Hash array with list properties
* id: List Identifier
* active: True if list is active, false if not
* permanent: True if list is to be subscribed permanently
* @return boolean True on success, Fales on failure
*/
public function subscribe_list($prop)
{
if ($prop['id'] && ($folder = $this->get_folder($prop['id']))) {
$ret = false;
if (isset($prop['permanent']))
$ret |= $folder->subscribe(intval($prop['permanent']));
if (isset($prop['active']))
$ret |= $folder->activate(intval($prop['active']));
// apply to child folders, too
if ($prop['recursive']) {
foreach ((array)kolab_storage::list_folders($folder->name, '*', 'task') 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 $ret;
}
return false;
}
/**
* Delete the given list with all its contents
*
* @param array Hash array with list properties
* id: list Identifier
* @return boolean True on success, Fales on failure
*/
public function delete_list($prop)
{
if ($prop['id'] && ($folder = $this->get_folder($prop['id']))) {
if (kolab_storage::folder_delete($folder->name)) {
return true;
}
$this->last_error = kolab_storage::$last_error;
}
return false;
}
/**
* Search for shared or otherwise not listed tasklists the user has access
*
* @param string Search string
* @param string Section/source to search
* @return array List of tasklists
*/
public function search_lists($query, $source)
{
if (!kolab_storage::setup()) {
return array();
}
$this->search_more_results = false;
$this->lists = $this->folders = array();
// find unsubscribed IMAP folders that have "event" type
if ($source == 'folders') {
foreach ((array)kolab_storage::search_folders('task', $query, array('other')) as $folder) {
$this->folders[$folder->id] = $folder;
$this->lists[$folder->id] = $this->folder_props($folder, array());
}
}
// search other user's namespace via LDAP
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 * 10) as $user) {
$folders = array();
// search for tasks folders shared by this user
foreach (kolab_storage::list_user_folders($user, 'task', false) as $foldername) {
$folders[] = new kolab_storage_folder($foldername, 'task');
}
if (count($folders)) {
$userfolder = new kolab_storage_folder_user($user['kolabtargetfolder'], '', $user);
$this->folders[$userfolder->id] = $userfolder;
$this->lists[$userfolder->id] = $this->folder_props($userfolder, array());
foreach ($folders as $folder) {
$this->folders[$folder->id] = $folder;
$this->lists[$folder->id] = $this->folder_props($folder, array());
$count++;
}
}
if ($count >= $limit) {
$this->search_more_results = true;
break;
}
}
}
return $this->get_lists();
}
/**
* Get a list of tags to assign tasks to
*
* @return array List of tags
*/
public function get_tags()
{
$config = kolab_storage_config::get_instance();
$tags = $config->get_tags();
$backend_tags = array_map(function($v) { return $v['name']; }, $tags);
return array_values(array_unique(array_merge($this->tags, $backend_tags)));
}
/**
* Get number of tasks matching the given filter
*
* @param array List of lists to count tasks of
* @return array Hash array with counts grouped by status (all|flagged|completed|today|tomorrow|nodate)
*/
public function count_tasks($lists = null)
{
if (empty($lists)) {
$lists = $this->_read_lists();
$lists = array_keys($lists);
}
else if (is_string($lists)) {
$lists = explode(',', $lists);
}
$today_date = new DateTime('now', $this->plugin->timezone);
$today = $today_date->format('Y-m-d');
$tomorrow_date = new DateTime('now + 1 day', $this->plugin->timezone);
$tomorrow = $tomorrow_date->format('Y-m-d');
$counts = array('all' => 0, 'today' => 0, 'tomorrow' => 0, 'later' => 0, 'overdue' => 0);
foreach ($lists as $list_id) {
if (!$folder = $this->get_folder($list_id)) {
continue;
}
foreach ($folder->select(array(array('tags','!~','x-complete')), true) as $record) {
$rec = $this->_to_rcube_task($record, $list_id, false);
if ($this->is_complete($rec)) // don't count complete tasks
continue;
$counts['all']++;
if (empty($rec['date']))
$counts['later']++;
else if ($rec['date'] == $today)
$counts['today']++;
else if ($rec['date'] == $tomorrow)
$counts['tomorrow']++;
else if ($rec['date'] < $today)
$counts['overdue']++;
else if ($rec['date'] > $tomorrow)
$counts['later']++;
}
}
// avoid session race conditions that will loose temporary subscriptions
$this->plugin->rc->session->nowrite = true;
return $counts;
}
/**
* Get all task records matching the given filter
*
* @param array Hash array with filter criterias:
* - mask: Bitmask representing the filter selection (check against tasklist::FILTER_MASK_* constants)
* - from: Date range start as string (Y-m-d)
* - to: Date range end as string (Y-m-d)
* - search: Search query string
* - uid: Task UIDs
* @param array List of lists to get tasks from
* @return array List of tasks records matchin the criteria
*/
public function list_tasks($filter, $lists = null)
{
if (empty($lists)) {
$lists = $this->_read_lists();
$lists = array_keys($lists);
}
else if (is_string($lists)) {
$lists = explode(',', $lists);
}
$config = kolab_storage_config::get_instance();
$results = array();
// query Kolab storage
$query = array();
if ($filter['mask'] & tasklist::FILTER_MASK_COMPLETE)
$query[] = array('tags','~','x-complete');
else if (empty($filter['since']))
$query[] = array('tags','!~','x-complete');
// full text search (only works with cache enabled)
if ($filter['search']) {
$search = mb_strtolower($filter['search']);
foreach (rcube_utils::normalize_string($search, true) as $word) {
$query[] = array('words', '~', $word);
}
}
if ($filter['since']) {
$query[] = array('changed', '>=', $filter['since']);
}
if ($filter['uid']) {
$query[] = array('uid', '=', (array) $filter['uid']);
}
foreach ($lists as $list_id) {
if (!$folder = $this->get_folder($list_id)) {
continue;
}
foreach ($folder->select($query) as $record) {
// TODO: post-filter tasks returned from storage
$record['list_id'] = $list_id;
$results[] = $record;
}
}
$config->apply_tags($results, true);
$config->apply_links($results);
foreach (array_keys($results) as $idx) {
$results[$idx] = $this->_to_rcube_task($results[$idx], $results[$idx]['list_id']);
}
// avoid session race conditions that will loose temporary subscriptions
$this->plugin->rc->session->nowrite = true;
return $results;
}
/**
* Return data of a specific task
*
* @param mixed Hash array with task properties or task UID
* @param integer Bitmask defining filter criterias for folders.
* See FILTER_* constants for possible values.
*
* @return array Hash array with task properties or false if not found
*/
public function get_task($prop, $filter = 0)
{
$this->_parse_id($prop);
$id = $prop['uid'];
$list_id = $prop['list'];
$folders = $list_id ? array($list_id => $this->get_folder($list_id)) : $this->get_lists($filter);
// find task in the available folders
foreach ($folders as $list_id => $folder) {
if (is_array($folder))
$folder = $this->folders[$list_id];
if (is_numeric($list_id) || !$folder)
continue;
if (!$this->tasks[$id] && ($object = $folder->get_object($id))) {
$this->load_tags($object);
$this->tasks[$id] = $this->_to_rcube_task($object, $list_id);
break;
}
}
return $this->tasks[$id];
}
/**
* Get all decendents of the given task record
*
* @param mixed Hash array with task properties or task UID
* @param boolean True if all childrens children should be fetched
* @return array List of all child task IDs
*/
public function get_childs($prop, $recursive = false)
{
if (is_string($prop)) {
$task = $this->get_task($prop);
$prop = array('uid' => $task['uid'], 'list' => $task['list']);
}
else {
$this->_parse_id($prop);
}
$childs = array();
$list_id = $prop['list'];
$task_ids = array($prop['uid']);
$folder = $this->get_folder($list_id);
// query for childs (recursively)
while ($folder && !empty($task_ids)) {
$query_ids = array();
foreach ($task_ids as $task_id) {
$query = array(array('tags','=','x-parent:' . $task_id));
foreach ($folder->select($query) as $record) {
// don't rely on kolab_storage_folder filtering
if ($record['parent_id'] == $task_id) {
$childs[] = $list_id . ':' . $record['uid'];
$query_ids[] = $record['uid'];
}
}
}
if (!$recursive)
break;
$task_ids = $query_ids;
}
return $childs;
}
/**
* Provide a list of revisions for the given task
*
* @param array $task Hash array with task properties
* @return array List of changes, each as a hash array
* @see tasklist_driver::get_task_changelog()
*/
public function get_task_changelog($prop)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox, $msguid) = $this->_resolve_task_identity($prop);
$result = $uid && $mailbox ? $this->bonnie_api->changelog('task', $uid, $mailbox, $msguid) : null;
if (is_array($result) && $result['uid'] == $uid) {
return $result['changes'];
}
return false;
}
/**
* Return full data of a specific revision of an event
*
* @param mixed $task UID string or hash array with task properties
* @param mixed $rev Revision number
*
* @return array Task object as hash array
* @see tasklist_driver::get_task_revision()
*/
public function get_task_revison($prop, $rev)
{
if (empty($this->bonnie_api)) {
return false;
}
$this->_parse_id($prop);
$uid = $prop['uid'];
$list_id = $prop['list'];
list($uid, $mailbox, $msguid) = $this->_resolve_task_identity($prop);
// call Bonnie API
$result = $this->bonnie_api->get('task', $uid, $rev, $mailbox, $msguid);
if (is_array($result) && $result['uid'] == $uid && !empty($result['xml'])) {
$format = kolab_format::factory('task');
$format->load($result['xml']);
$rec = $format->to_array();
$format->get_attachments($rec, true);
if ($format->is_valid()) {
$rec = self::_to_rcube_task($rec, $list_id, false);
$rec['rev'] = $result['rev'];
return $rec;
}
}
return false;
}
/**
* Command the backend to restore a certain revision of a task.
* This shall replace the current object with an older version.
*
* @param mixed $task UID string or hash array with task properties
* @param mixed $rev Revision number
*
* @return boolean True on success, False on failure
* @see tasklist_driver::restore_task_revision()
*/
public function restore_task_revision($prop, $rev)
{
if (empty($this->bonnie_api)) {
return false;
}
$this->_parse_id($prop);
$uid = $prop['uid'];
$list_id = $prop['list'];
list($uid, $mailbox, $msguid) = $this->_resolve_task_identity($prop);
$folder = $this->get_folder($list_id);
$success = false;
if ($folder && ($raw_msg = $this->bonnie_api->rawdata('task', $uid, $rev, $mailbox))) {
$imap = $this->rc->get_storage();
// insert $raw_msg as new message
if ($imap->save_message($folder->name, $raw_msg, null, false)) {
$success = true;
// delete old revision from imap and cache
$imap->delete_message($msguid, $folder->name);
$folder->cache->set($msguid, false);
}
}
return $success;
}
/**
* Get a list of property changes beteen two revisions of a task object
*
* @param array $task Hash array with task properties
* @param mixed $rev Revisions: "from:to"
*
* @return array List of property changes, each as a hash array
* @see tasklist_driver::get_task_diff()
*/
public function get_task_diff($prop, $rev1, $rev2)
{
$this->_parse_id($prop);
$uid = $prop['uid'];
$list_id = $prop['list'];
list($uid, $mailbox, $msguid) = $this->_resolve_task_identity($prop);
// call Bonnie API
$result = $this->bonnie_api->diff('task', $uid, $rev1, $rev2, $mailbox, $msguid, $instance_id);
if (is_array($result) && $result['uid'] == $uid) {
$result['rev1'] = $rev1;
$result['rev2'] = $rev2;
$keymap = array(
'start' => 'start',
'due' => 'date',
'dstamp' => 'changed',
'summary' => 'title',
'alarm' => 'alarms',
'attendee' => 'attendees',
'attach' => 'attachments',
'rrule' => 'recurrence',
'related-to' => 'parent_id',
'percent-complete' => 'complete',
'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']];
}
if ($change['property'] == 'priority') {
$change['property'] = 'flagged';
$change['old'] = $change['old'] == 1 ? $this->plugin->gettext('yes') : null;
$change['new'] = $change['new'] == 1 ? $this->plugin->gettext('yes') : null;
}
// map alarms trigger value
if ($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 $result;
}
return false;
}
/**
* Helper method to resolved the given task identifier into uid and folder
*
* @return array (uid,folder,msguid) tuple
*/
private function _resolve_task_identity($prop)
{
$mailbox = $msguid = null;
$this->_parse_id($prop);
$uid = $prop['uid'];
$list_id = $prop['list'];
if ($folder = $this->get_folder($list_id)) {
$mailbox = $folder->get_mailbox_id();
// get task object from storage in order to get the real object uid an msguid
if ($rec = $folder->get_object($uid)) {
$msguid = $rec['_msguid'];
$uid = $rec['uid'];
}
}
return array($uid, $mailbox, $msguid);
}
/**
* Get a list of pending alarms to be displayed to the user
*
* @param integer Current time (unix timestamp)
* @param mixed List of list IDs to show alarms for (either as array or comma-separated string)
* @return array A list of alarms, each encoded as hash array with task properties
* @see tasklist_driver::pending_alarms()
*/
public function pending_alarms($time, $lists = 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 == $slot)
return array();
if ($lists && is_string($lists))
$lists = explode(',', $lists);
$time = $slot + $interval;
$candidates = array();
$query = array(
array('tags', '=', 'x-has-alarms'),
array('tags', '!=', 'x-complete')
);
$this->_read_lists();
foreach ($this->lists as $lid => $list) {
// skip lists with alarms disabled
if (!$list['showalarms'] || ($lists && !in_array($lid, $lists)))
continue;
$folder = $this->get_folder($lid);
foreach ($folder->select($query) as $record) {
if (!($record['valarms'] || $record['alarms']) || $record['status'] == 'COMPLETED' || $record['complete'] == 100) // don't trust query :-)
continue;
$task = $this->_to_rcube_task($record, $lid, false);
// add to list if alarm is set
$alarm = libcalendaring::get_next_alarm($task, 'task');
if ($alarm && $alarm['time'] && $alarm['time'] <= $time && in_array($alarm['action'], $this->alarm_types)) {
$id = $alarm['id']; // use alarm-id as primary identifier
$candidates[$id] = array(
'id' => $id,
'title' => $task['title'],
'date' => $task['date'],
'time' => $task['time'],
'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 && ($rec = $this->rc->db->fetch_assoc($result))) {
$dbdata[$rec['alarm_id']] = $rec;
}
}
$alarms = array();
foreach ($candidates as $id => $task) {
// skip dismissed
if ($dbdata[$id]['dismissed'])
continue;
// snooze function may have shifted alarm time
$notifyat = $dbdata[$id]['notifyat'] ? strtotime($dbdata[$id]['notifyat']) : $task['notifyat'];
if ($notifyat <= $time)
$alarms[] = $task;
}
return $alarms;
}
/**
* (User) feedback after showing an alarm notification
* This should mark the alarm as 'shown' or snooze it for the given amount of time
*
* @param string Task identifier
* @param integer Suspend the alarm for this number of seconds
*/
public function dismiss_alarm($id, $snooze = 0)
{
// delete old alarm entry
$this->rc->db->query(
"DELETE FROM " . $this->rc->db->table_name('kolab_alarms', true) . "
WHERE `alarm_id` = ? AND `user_id` = ?",
$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 " . $this->rc->db->table_name('kolab_alarms', true) . "
(`alarm_id`, `user_id`, `dismissed`, `notifyat`)
VALUES (?, ?, ?, ?)",
$id,
$this->rc->user->ID,
$snooze > 0 ? 0 : 1,
$notifyat
);
return $this->rc->db->affected_rows($query);
}
/**
* Remove alarm dismissal or snooze state
*
* @param string Task identifier
*/
public function clear_alarms($id)
{
// delete alarm entry
$this->rc->db->query(
"DELETE FROM " . $this->rc->db->table_name('kolab_alarms', true) . "
WHERE `alarm_id` = ? AND `user_id` = ?",
$id,
$this->rc->user->ID
);
return true;
}
/**
* Get task tags
*/
private function load_tags(&$object)
{
// this task hasn't been migrated yet
if (!empty($object['categories'])) {
// OPTIONAL: call kolab_storage_config::apply_tags() to migrate the object
$object['tags'] = (array)$object['categories'];
if (!empty($object['tags'])) {
$this->tags = array_merge($this->tags, $object['tags']);
}
}
else {
$config = kolab_storage_config::get_instance();
$tags = $config->get_tags($object['uid']);
$object['tags'] = array_map(function($v) { return $v['name']; }, $tags);
}
}
/**
* Update task tags
*/
private function save_tags($uid, $tags)
{
$config = kolab_storage_config::get_instance();
$config->save_tags($uid, $tags);
}
/**
* Find messages linked with a task record
*/
private function get_links($uid)
{
$config = kolab_storage_config::get_instance();
return $config->get_object_links($uid);
}
/**
*
*/
private function save_links($uid, $links)
{
$config = kolab_storage_config::get_instance();
return $config->save_object_links($uid, (array) $links);
}
/**
* Extract uid + list identifiers from the given input
*
* @param mixed array or string with task identifier(s)
*/
private function _parse_id(&$prop)
{
$id_ = null;
if (is_array($prop)) {
// 'uid' + 'list' available, nothing to be done
if (!empty($prop['uid']) && !empty($prop['list'])) {
return;
}
// 'id' is given
if (!empty($prop['id'])) {
if (!empty($prop['list'])) {
$list_id = $prop['_fromlist'] ?: $prop['list'];
if (strpos($prop['id'], $list_id.':') === 0) {
$prop['uid'] = substr($prop['id'], strlen($list_id)+1);
}
else {
$prop['uid'] = $prop['id'];
}
}
else {
$id_ = $prop['id'];
}
}
}
else {
$id_ = strval($prop);
$prop = array();
}
// split 'id' into list + uid
if (!empty($id_)) {
list($list, $uid) = explode(':', $id_, 2);
if (!empty($uid)) {
$prop['uid'] = $uid;
$prop['list'] = $list;
}
else {
$prop['uid'] = $id_;
}
}
}
/**
* Convert from Kolab_Format to internal representation
*/
private function _to_rcube_task($record, $list_id, $all = true)
{
$id_prefix = $list_id . ':';
$task = array(
'id' => $id_prefix . $record['uid'],
'uid' => $record['uid'],
'title' => $record['title'],
// 'location' => $record['location'],
'description' => $record['description'],
'flagged' => $record['priority'] == 1,
'complete' => floatval($record['complete'] / 100),
'status' => $record['status'],
'parent_id' => $record['parent_id'] ? $id_prefix . $record['parent_id'] : null,
'recurrence' => $record['recurrence'],
'attendees' => $record['attendees'],
'organizer' => $record['organizer'],
'sequence' => $record['sequence'],
'tags' => $record['tags'],
'list' => $list_id,
'links' => $record['links'],
);
// we can sometimes skip this expensive operation
if ($all && !array_key_exists('links', $task)) {
$task['links'] = $this->get_links($task['uid']);
}
// convert from DateTime to internal date format
if (is_a($record['due'], 'DateTime')) {
$due = $this->plugin->lib->adjust_timezone($record['due']);
$task['date'] = $due->format('Y-m-d');
if (!$record['due']->_dateonly)
$task['time'] = $due->format('H:i');
}
// convert from DateTime to internal date format
if (is_a($record['start'], 'DateTime')) {
$start = $this->plugin->lib->adjust_timezone($record['start']);
$task['startdate'] = $start->format('Y-m-d');
if (!$record['start']->_dateonly)
$task['starttime'] = $start->format('H:i');
}
if (is_a($record['changed'], 'DateTime')) {
$task['changed'] = $record['changed'];
}
if (is_a($record['created'], 'DateTime')) {
$task['created'] = $record['created'];
}
if ($record['valarms']) {
$task['valarms'] = $record['valarms'];
}
else if ($record['alarms']) {
$task['alarms'] = $record['alarms'];
}
if (!empty($task['attendees'])) {
foreach ((array)$task['attendees'] as $i => $attendee) {
if (is_array($attendee['delegated-from'])) {
$task['attendees'][$i]['delegated-from'] = join(', ', $attendee['delegated-from']);
}
if (is_array($attendee['delegated-to'])) {
$task['attendees'][$i]['delegated-to'] = join(', ', $attendee['delegated-to']);
}
}
}
if (!empty($record['_attachments'])) {
foreach ($record['_attachments'] as $key => $attachment) {
if ($attachment !== false) {
if (!$attachment['name'])
$attachment['name'] = $key;
$attachments[] = $attachment;
}
}
$task['attachments'] = $attachments;
}
return $task;
}
/**
* Convert the given task record into a data structure that can be passed to kolab_storage backend for saving
* (opposite of self::_to_rcube_event())
*/
private function _from_rcube_task($task, $old = array())
{
$object = $task;
$id_prefix = $task['list'] . ':';
if (!empty($task['date'])) {
$object['due'] = rcube_utils::anytodatetime($task['date'].' '.$task['time'], $this->plugin->timezone);
if (empty($task['time']))
$object['due']->_dateonly = true;
unset($object['date']);
}
if (!empty($task['startdate'])) {
$object['start'] = rcube_utils::anytodatetime($task['startdate'].' '.$task['starttime'], $this->plugin->timezone);
if (empty($task['starttime']))
$object['start']->_dateonly = true;
unset($object['startdate']);
}
// as per RFC (and the Kolab schema validation), start and due dates need to be of the same type (#3614)
// this should be catched in the client already but just make sure we don't write invalid objects
if (!empty($object['start']) && !empty($object['due']) && $object['due']->_dateonly != $object['start']->_dateonly) {
$object['start']->_dateonly = true;
$object['due']->_dateonly = true;
}
$object['complete'] = $task['complete'] * 100;
if ($task['complete'] == 1.0 && empty($task['complete']))
$object['status'] = 'COMPLETED';
if ($task['flagged'])
$object['priority'] = 1;
else
$object['priority'] = $old['priority'] > 1 ? $old['priority'] : 0;
// remove list: prefix from parent_id
if (!empty($task['parent_id']) && strpos($task['parent_id'], $id_prefix) === 0) {
$object['parent_id'] = substr($task['parent_id'], strlen($id_prefix));
}
// copy meta data (starting with _) from old object
foreach ((array)$old as $key => $val) {
if (!isset($object[$key]) && $key[0] == '_')
$object[$key] = $val;
}
// copy recurrence rules if the client didn't submit it (#2713)
if (!array_key_exists('recurrence', $object) && $old['recurrence']) {
$object['recurrence'] = $old['recurrence'];
}
unset($task['attachments']);
kolab_format::merge_attachments($object, $old);
// allow sequence increments if I'm the organizer
if ($this->plugin->is_organizer($object) && empty($object['_method'])) {
unset($object['sequence']);
}
else if (isset($old['sequence']) && empty($object['_method'])) {
$object['sequence'] = $old['sequence'];
}
unset($object['tempid'], $object['raw'], $object['list'], $object['flagged'], $object['tags'], $object['created']);
return $object;
}
/**
* Add a single task to the database
*
* @param array Hash array with task properties (see header of tasklist_driver.php)
* @return mixed New task ID on success, False on error
*/
public function create_task($task)
{
return $this->edit_task($task);
}
/**
* Update an task entry with the given data
*
* @param array Hash array with task properties (see header of tasklist_driver.php)
* @return boolean True on success, False on error
*/
public function edit_task($task)
{
$this->_parse_id($task);
$list_id = $task['list'];
if (!$list_id || !($folder = $this->get_folder($list_id))) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Invalid list identifer to save task: " . print_r($list_id, true)),
true, false);
return false;
}
// email links and tags are stored separately
$links = $task['links'];
$tags = $task['tags'];
unset($task['tags'], $task['links']);
// moved from another folder
if ($task['_fromlist'] && ($fromfolder = $this->get_folder($task['_fromlist']))) {
if (!$fromfolder->move($task['uid'], $folder))
return false;
unset($task['_fromlist']);
}
// load previous version of this task to merge
if ($task['id']) {
$old = $folder->get_object($task['uid']);
if (!$old || PEAR::isError($old))
return false;
// merge existing properties if the update isn't complete
if (!isset($task['title']) || !isset($task['complete']))
$task += $this->_to_rcube_task($old, $list_id);
}
// generate new task object from RC input
$object = $this->_from_rcube_task($task, $old);
$saved = $folder->save($object, 'task', $task['uid']);
if (!$saved) {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Error saving task object to Kolab server"),
true, false);
$saved = false;
}
else {
// save links in configuration.relation object
$this->save_links($object['uid'], $links);
// save tags in configuration.relation object
$this->save_tags($object['uid'], $tags);
$task = $this->_to_rcube_task($object, $list_id);
$task['tags'] = (array) $tags;
$this->tasks[$task['uid']] = $task;
}
return $saved;
}
/**
* Move a single task to another list
*
* @param array Hash array with task properties:
* @return boolean True on success, False on error
* @see tasklist_driver::move_task()
*/
public function move_task($task)
{
$this->_parse_id($task);
$list_id = $task['list'];
if (!$list_id || !($folder = $this->get_folder($list_id)))
return false;
// execute move command
if ($task['_fromlist'] && ($fromfolder = $this->get_folder($task['_fromlist']))) {
return $fromfolder->move($task['uid'], $folder);
}
return false;
}
/**
* Remove a single task from the database
*
* @param array Hash array with task properties:
* id: Task identifier
* @param boolean Remove record irreversible (mark as deleted otherwise, if supported by the backend)
* @return boolean True on success, False on error
*/
public function delete_task($task, $force = true)
{
$this->_parse_id($task);
$list_id = $task['list'];
if (!$list_id || !($folder = $this->get_folder($list_id)))
return false;
$status = $folder->delete($task['uid']);
if ($status) {
// remove tag assignments
// @TODO: don't do this when undelete feature will be implemented
$this->save_tags($task['uid'], null);
}
return $status;
}
/**
* Restores a single deleted task (if supported)
*
* @param array Hash array with task properties:
* id: Task identifier
* @return boolean True on success, False on error
*/
public function undelete_task($prop)
{
// TODO: implement this
return false;
}
/**
* Get attachment properties
*
* @param string $id Attachment identifier
* @param array $task Hash array with event properties:
* id: Task identifier
* list: List identifier
* rev: Revision (optional)
*
* @return array Hash array with attachment properties:
* id: Attachment identifier
* name: Attachment name
* mimetype: MIME content type of the attachment
* size: Attachment size
*/
public function get_attachment($id, $task)
{
// get old revision of the object
if ($task['rev']) {
$task = $this->get_task_revison($task, $task['rev']);
}
else {
$task = $this->get_task($task);
}
if ($task && !empty($task['attachments'])) {
foreach ($task['attachments'] as $att) {
if ($att['id'] == $id)
return $att;
}
}
return null;
}
/**
* Get attachment body
*
* @param string $id Attachment identifier
* @param array $task Hash array with event properties:
* id: Task identifier
* list: List identifier
* rev: Revision (optional)
*
* @return string Attachment body
*/
public function get_attachment_body($id, $task)
{
$this->_parse_id($task);
// get old revision of event
if ($task['rev']) {
if (empty($this->bonnie_api)) {
return false;
}
$cid = substr($id, 4);
// call Bonnie API and get the raw mime message
list($uid, $mailbox, $msguid) = $this->_resolve_task_identity($task);
if ($msg_raw = $this->bonnie_api->rawdata('task', $uid, $task['rev'], $mailbox, $msguid)) {
// parse the message and find the part with the matching content-id
$message = rcube_mime::parse_message($msg_raw);
foreach ((array)$message->parts as $part) {
if ($part->headers['content-id'] && trim($part->headers['content-id'], '<>') == $cid) {
return $part->body;
}
}
}
return false;
}
if ($storage = $this->get_folder($task['list'])) {
return $storage->get_attachment($task['uid'], $id);
}
return false;
}
/**
* Build a struct representing the given message reference
*
* @see tasklist_driver::get_message_reference()
*/
public function get_message_reference($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($uri_or_headers, 'task');
}
return false;
}
/**
* Find tasks assigned to a specified message
*
* @see tasklist_driver::get_message_related_tasks()
*/
public function get_message_related_tasks($headers, $folder)
{
$config = kolab_storage_config::get_instance();
$result = $config->get_message_relations($headers, $folder, 'task');
foreach ($result as $idx => $rec) {
$result[$idx] = $this->_to_rcube_task($rec, kolab_storage::folder_id($rec['_mailbox']));
}
return $result;
}
/**
*
*/
public function tasklist_edit_form($action, $list, $fieldprop)
{
$this->_read_lists();
if ($list['id'] && ($list = $this->lists[$list['id']])) {
$folder_name = $this->get_folder($list['id'])->name; // UTF7
}
else {
$folder_name = '';
}
$storage = $this->rc->get_storage();
$delim = $storage->get_hierarchy_delimiter();
$form = array();
if (strlen($folder_name)) {
$path_imap = explode($delim, $folder_name);
array_pop($path_imap); // pop off name part
$path_imap = implode($delim, $path_imap);
$options = $storage->folder_info($folder_name);
}
else {
$path_imap = '';
}
$hidden_fields[] = array('name' => 'oldname', 'value' => $folder_name);
// folder name (default field)
$input_name = new html_inputfield(array('name' => 'name', 'id' => 'taskedit-tasklistname', 'size' => 20));
$fieldprop['name']['value'] = $input_name->show($list['editname'], array('disabled' => ($options['norename'] || $options['protected'])));
// prevent user from moving folder
if (!empty($options) && ($options['norename'] || $options['protected'])) {
$hidden_fields[] = array('name' => 'parent', 'value' => $path_imap);
}
else {
$select = kolab_storage::folder_selector('task', array('name' => 'parent', 'id' => 'taskedit-parentfolder'), $folder_name);
$fieldprop['parent'] = array(
'id' => 'taskedit-parentfolder',
'label' => $this->plugin->gettext('parentfolder'),
'value' => $select->show($path_imap),
);
}
// General tab
$form['properties'] = array(
'name' => $this->rc->gettext('properties'),
'fields' => array(),
);
foreach (array('name','parent','showalarms') as $f) {
$form['properties']['fields'][$f] = $fieldprop[$f];
}
return kolab_utils::folder_form($form, $folder_name, 'tasklist', $hidden_fields);
}
}
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