<?php declare(strict_types = 1);
namespace MailPoet\Automation\Engine\Validation\WorkflowRules;
if (!defined('ABSPATH')) exit;
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 NoUnreachableStepsRule implements WorkflowNodeVisitor {
public const RULE_ID = 'no-unreachable-steps';
/** @var WorkflowNode[] */
private $visitedNodes = [];
public function initialize(Workflow $workflow): void {
$this->visitedNodes = [];
}
public function visitNode(Workflow $workflow, WorkflowNode $node): void {
$this->visitedNodes[] = $node;
}
public function complete(Workflow $workflow): void {
if (count($this->visitedNodes) !== count($workflow->getSteps())) {
throw Exceptions::workflowStructureNotValid(__('Unreachable steps found in workflow graph', 'mailpoet'), self::RULE_ID);
}
}
}