<?php declare(strict_types = 1);
namespace MailPoet\Automation\Engine\Validation\WorkflowRules;
if (!defined('ABSPATH')) exit;
use MailPoet\Automation\Engine\Data\Step;
use MailPoet\Automation\Engine\Data\Workflow;
use MailPoet\Automation\Engine\Exceptions;
use MailPoet\Automation\Engine\Validation\WorkflowGraph\WorkflowNode;
use MailPoet\Automation\Engine\Validation\WorkflowGraph\WorkflowNodeVisitor;
class NoCycleRule implements WorkflowNodeVisitor {
public const RULE_ID = 'no-cycle';
public function initialize(Workflow $workflow): void {
}
public function visitNode(Workflow $workflow, WorkflowNode $node): void {
$step = $node->getStep();
$parents = $node->getParents();
$parentIdsMap = array_combine(
array_map(function (Step $parent) {
return $parent->getId();
}, $node->getParents()),
$parents
) ?: [];
foreach ($step->getNextSteps() as $nextStep) {
$nextStepId = $nextStep->getId();
if ($nextStepId === $step->getId() || isset($parentIdsMap[$nextStepId])) {
throw Exceptions::workflowStructureNotValid(__('Cycle found in workflow graph', 'mailpoet'), self::RULE_ID);
}
}
}
public function complete(Workflow $workflow): void {
}
}