<?php

namespace ProcessMaker\Traits;

use ProcessMaker\Nayra\Storage\BpmnDocument;

use ProcessMaker\Providers\WorkflowServiceProvider;

trait HasSelfServiceTasks

{

/**

* Get an updated list of self service tasks from BPMN

*

* @return array

*/

public function getUpdatedSelfServiceTasks()

{

$response = [];

if (empty($this->bpmn)) {

return $response;

}

$definitions = new BpmnDocument();

$definitions->loadXML($this->bpmn);

foreach ($definitions->getElementsByTagNameNS(BpmnDocument::BPMN_MODEL, 'task') as $task) {

$response = $this->assignSelfService($task, $response);

}

foreach ($definitions->getElementsByTagNameNS(BpmnDocument::BPMN_MODEL, 'manualTask') as $task) {

$response = $this->assignSelfService($task, $response);

}

foreach ($definitions->getElementsByTagNameNS(BpmnDocument::BPMN_MODEL, 'userTask') as $task) {

$response = $this->assignSelfService($task, $response);

}

return $response;

}

/**

* Assign self service

*/

private function assignSelfService($task, $response = [])

{

$id = $task->getAttribute('id');

$assignment = $task->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'assignment');

if ($assignment === 'self_service') {

$response[$id]['groups'] = explode(',', $task->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'assignedGroups'));

$response[$id]['users'] = explode(',', $task->getAttributeNS(WorkflowServiceProvider::PROCESS_MAKER_NS, 'assignedUsers'));

}

return $response;

}

}