/**
* Remove a single task from the database
*
* @param array Hash array with task properties
* @param boolean Remove record irreversible
* @return boolean True on success, False on error
* @see tasklist_driver::delete_task()
*/
public function delete_task($prop, $force = true)
{
$prop = $this->_get_id($prop);
$task = (array) parent::get_task($prop);
$master = parent::get_master($prop);
$task_id = (int) $task['id'];
$cal_id = (int) ($prop['list'] ? $prop['list'] : $task['list']);
$success = false;
if ($prop['isclone'] && $prop['mode'] == 2) {
// create EXCEPTION
if ($success = parent::delete_task($prop, true)) {
if ($props = $this->_get_caldav_props($task_id, self::OBJ_TYPE_VTODO)) {
$success = $this->_edit_task($task_id, $cal_id);
}
}
} else {
if (!$prop['isclone'] && $prop['mode'] == 3) {
// delete parent and remove relation from subtasks
if (isset($this->sync_clients[$cal_id])) {
$sync_client = $this->sync_clients[$cal_id];
$children = (array) parent::get_childs($prop, true);
foreach ($children as $child_id) {
// process childs
$child_props = $this->_get_caldav_props($child_id, self::OBJ_TYPE_VTODO);
if (is_array($child_props)) {
if ($child = $this->get_master(array('id' => $child_id))) {
unset($child['parent_id']);
$child = $this->_save_preprocess($child);
$sync_client->update_event($child, $child_props);
}
}
}
$props = $this->_get_caldav_props($task_id, self::OBJ_TYPE_VTODO);
if ($success = parent::delete_task($prop, true)) {
$success = $sync_client->remove_event($props);
}
} else {
$success = parent::delete_task($prop, true);
}
} else {
if (!$prop['isclone'] && $prop['mode'] == 4) {
// delete parent and subtasks
if (isset($this->sync_clients[$cal_id])) {
$sync_client = $this->sync_clients[$cal_id];
$children = (array) parent::get_childs($prop, true);
foreach ($children as $child_id) {
// process childs
$child_props = $this->_get_caldav_props($child_id, self::OBJ_TYPE_VTODO);
if (is_array($child_props)) {
$task = $this->_save_preprocess($child_props);
$sync_client->remove_event($child_props);
}
}
$props = $this->_get_caldav_props($task_id, self::OBJ_TYPE_VTODO);
if ($success = parent::delete_task($prop, true)) {
// process parent
$success = $sync_client->remove_event($props);
}
} else {
$success = parent::delete_task($prop, true);
}
} else {
$props = $this->_get_caldav_props($task_id, self::OBJ_TYPE_VTODO);
$props = $this->_get_caldav_props($task_id, self::OBJ_TYPE_VTODO);
if ($success = parent::delete_task($task)) {
if ($master['id'] != $prop['id']) {
// delete EXCEPTION
if (isset($this->sync_clients[$cal_id])) {
$success = $this->_edit_task($master['id'], $cal_id);
}
$this->_reload_list();
} else {
if (is_array($props)) {
if (isset($this->sync_clients[$cal_id])) {
$sync_client = $this->sync_clients[$cal_id];
$success = $sync_client->remove_event($props);
}
}
}
}
}
}
}
if ($success === true) {
self::debug_log("Successfully removed task \"{$task_id}\".");
} else {
self::debug_log("Unkown error while removing caldav task \"{$task_id}\", force sync of calendar \"{$task_id}\"!");
}
// Trigger calendar sync to update ctags and etags.
if (isset($this->sync_clients[$cal_id])) {
$this->_sync_calendar($cal_id);
}
return $success;
}
