/**
* @todo: docs
*/
public function start(midgard_object $object, array $args = null)
{
if (!midgardmvc_core::get_instance()->authentication->is_user()) {
return false;
}
$user = midgardmvc_core::get_instance()->authentication->get_user();
$workflow = $this->get();
$storage = new midgard_query_storage('midgardmvc_helper_workflow_execution');
$q = new midgard_query_select($storage);
$q->set_constraint(new midgard_query_constraint(new midgard_query_property('metadata.creator'), '=', new midgard_query_value($user->person)));
$q->execute();
$execs = $q->list_objects();
foreach ($execs as $exec) {
$variables = unserialize($exec->variables);
if ($variables['package_instance'] == $object->guid) {
midgardmvc_core::get_instance()->log(__CLASS__, 'Re-use unfinished workflow execution (' . $exec->id . ')', 'info');
return self::resume($exec->guid, $variables);
}
}
$execution = new midgardmvc_helper_workflow_execution_interactive($workflow);
$execution->setVariable('package_instance', $object->guid);
$execution->start();
$values = array();
if (!$execution->hasEnded()) {
$values['execution'] = $execution->guid;
return $values;
}
return $values;
}
