<?php

namespace ProcessMaker\Models;

use ProcessMaker\Models\ProcessCollaboration;

use ProcessMaker\Nayra\Bpmn\Models\MessageEventDefinition as Base;

use ProcessMaker\Nayra\Contracts\Bpmn\EventDefinitionInterface;

use ProcessMaker\Nayra\Contracts\Bpmn\FlowNodeInterface;

use ProcessMaker\Nayra\Contracts\Bpmn\TokenInterface;

use ProcessMaker\Nayra\Contracts\Engine\ExecutionInstanceInterface;

/**

* Implementation of the message element.

*/

class MessageEventDefinition extends Base

{

/**

* Implement the event definition behavior when an event is triggered.

*

* @param EventDefinitionInterface $event

* @param FlowNodeInterface $target

* @param ExecutionInstanceInterface|null $targetRequest

* @param TokenInterface|null $token

*

* @return $this

*/

public function execute(EventDefinitionInterface $event, FlowNodeInterface $target, ExecutionInstanceInterface $targetRequest = null, TokenInterface $token = null)

{

// Set collaboration

$parent = $token ? $token->getInstance() : null;

$child = $targetRequest;

if ($parent && $child) {

$collaboration_id = $parent->process_collaboration_id ?: $child->process_collaboration_id;

if (!$collaboration_id) {

$collaboration = new ProcessCollaboration();

$collaboration->process_id = $parent->process->getKey();

$collaboration->saveOrFail();

$collaboration_id = $collaboration->getKey();

}

if (!$parent->process_collaboration_id) {

$parent->process_collaboration_id = $collaboration_id;

$parent->saveOrFail();

}

if (!$child->process_collaboration_id) {

$child->process_collaboration_id = $collaboration_id;

$child->saveOrFail();

}

}

return $this;

}

}