/**
* Deletes a file from the Nag tree.
*
* @param string $path The path to the file.
*
* @return string The event's UID
* @throws Nag_Exception
*/
public function path_delete($path)
{
global $injector, $nag_shares;
if (substr($path, 0, 3) == 'nag') {
$path = substr($path, 3);
}
$path = trim($path, '/');
$parts = explode('/', $path);
if (count($parts) == 2) {
// @TODO Deny deleting of the entire tasklist for now.
// Allow users to delete tasklists but not create them via WebDAV
// will be more confusing than helpful. They are, however, still
// able to delete individual task items within the tasklist folder.
throw Nag_Exception(_("Deleting entire task lists is not supported."), 403);
// To re-enable the functionality just remove this if {} block.
}
if (substr($parts[1], -4) == '.ics') {
$tasklistID = substr($parts[1], 0, -4);
} else {
$tasklistID = $parts[1];
}
if (!(count($parts) == 2 || count($parts) == 3) || !Nag::hasPermission($tasklistID, Horde_Perms::DELETE)) {
throw new Nag_Exception(_("Task list does not exist or no permission to delete"), 403);
}
/* Create a Nag storage instance. */
try {
$storage = $injector->getInstance('Nag_Factory_Driver')->create($tasklistID);
$storage->retrieve();
} catch (Nag_Exception $e) {
throw new Nag_Exception(sprintf(_("Connection failed: %s"), $e->getMessage()), 500);
}
if (count($parts) == 3) {
// Delete just a single entry
$dav = $injector->getInstance('Horde_Dav_Storage');
$id = $parts[2];
try {
$id = $dav->getInternalObjectId($id, $tasklistID) ?: $id;
} catch (Horde_Dav_Exception $e) {
}
return $storage->delete($id);
} else {
// Delete the entire task list
try {
$storage->deleteAll();
} catch (Nag_Exception $e) {
throw new Nag_Exception(sprintf(_("Unable to delete task list \"%s\": %s"), $tasklistID, $e->getMessage()), 500);
}
// Remove share and all groups/permissions.
$share = $nag_shares->getShare($tasklistID);
try {
$nag_shares->removeShare($share);
} catch (Horde_Share_Exception $e) {
throw new Nag_Exception($e->getMessage());
}
}
}
/**
* Deletes a task from the backend.
*
* @param string $taskId The task to delete.
*
* @throws Nag_Exception
*/
protected function _delete($taskId)
{
/* Get the task's details for use later. */
$task = $this->get($taskId);
$query = sprintf('DELETE FROM %s WHERE task_owner = ? AND task_id = ?', $this->_params['table']);
$values = array($this->_tasklist, $taskId);
try {
$this->_db->delete($query, $values);
} catch (Horde_Db_Exception $e) {
throw Nag_Exception($e->getMessage());
}
}
