function afterLoad()
{
// unpack uuid
$this->uuid = util::unpackUuid($this->uuid);
// Merge tasks with settings
$this->tasks = array_reduce((array) @$this->tasks, function ($result, $task) {
$taskModel = new Task($task);
$taskModel->load($taskModel->identity());
if ($taskModel->identity()) {
$taskModel->appendData($task);
$result[] = $taskModel;
}
return $result;
}, array());
// Restrict to users who have access to the first step
if (!$this->__isSuperUser) {
if (!array_intersect((array) @$this->tasks[0]->userGroups(), (array) @$this->__request->user->groups)) {
$this->data(array());
}
}
return parent::afterLoad();
}
/**
* @protected
*
* Create relations between steps and works or jobs, even though works and jobs
* are mutually exclusive, manage this on the parent side.
*/
function afterSave()
{
if ($this->isCreate()) {
// Task:Instance
$this->parents('Task', $this->task(), true);
// WorkInstance:TaskInstance
$this->parents(static::WORK_RELATION, $this->workInstance(), true);
}
// unpack uuid strings
$this->uuid = util::unpackUuid($this->uuid);
return parent::afterSave();
}
/**
* Generate a one-time authentication token string for additional
* security for AJAX service calls.
*
* Each additional call to this function overwrites the token generated last time.
*
* @return One-time token string, or null on invalid session.
*/
static function generateToken($sid = null)
{
$res = static::ensure($sid);
if ($res !== true) {
return $res;
}
$res =& static::$currentSession;
$res['token'] = Database::fetchField("SELECT UNHEX(REPLACE(UUID(),'-',''));");
unset($res['timestamp']);
if (Node::set($res) === false) {
return null;
}
return util::unpackUuid($res['token']);
}
/**
* @protected
*
* Load task contents, remove task scripts.
*/
function afterLoad()
{
// unpack uuid
$this->uuid = util::unpackUuid($this->uuid);
$this->nextTask = util::unpackUuid($this->nextTask);
// note: Only users with access to nextTask has view permission.
if (!$this->__isSuperUser) {
// 1. Group:User
$res = (array) @$this->__request->user->groups;
// 2. Task:Group
$res = Relation::getAncestors($res, Task::GROUP_RELATION);
// 3. Task
$res = Relation::getDescendants($res, 'Task');
// 4. UUID comparison
if (!in_array($this->nextTask, $res)) {
return $this->data(array());
}
}
// load task details, do not expose internal scripts
$taskInstance = new TaskInstance();
$this->tasks = array_map(removes('order'), $taskInstance->find(array('uuid' => $this->children($taskInstance::WORK_RELATION), '@sorter' => ['order'])));
unset($taskInstance);
$res = parent::afterLoad();
// lock the item after load
$this->_immutable = true;
return $res;
}
