<?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 TriggerNeedsToBeFollowedByActionRule implements WorkflowNodeVisitor {
public const RULE_ID = 'trigger-needs-to-be-followed-by-action';
public function initialize(Workflow $workflow): void {
}
public function visitNode(Workflow $workflow, WorkflowNode $node): void {
$step = $node->getStep();
if ($step->getType() !== Step::TYPE_TRIGGER) {
return;
}
$nextSteps = $step->getNextSteps();
if (!count($nextSteps)) {
throw Exceptions::workflowStructureNotValid(__('A trigger needs to be followed by an action.', 'mailpoet'), self::RULE_ID);
}
foreach ($nextSteps as $step) {
$step = $workflow->getStep($step->getId());
if ($step && $step->getType() === Step::TYPE_ACTION) {
continue;
}
throw Exceptions::workflowStructureNotValid(__('A trigger needs to be followed by an action.', 'mailpoet'), self::RULE_ID);
}
}
public function complete(Workflow $workflow): void {
}
}