BaseScenario.php

См. документацию.

<?php
declare(strict_types=1);
 
namespace Bitrix\Landing\Copilot\Generation\Scenario;
 
abstract class BaseScenario implements IScenario
{
    abstract public function getQuotaCalculateStep(): int;

    public function getFirstStepId(): ?int
    {
        foreach ($this->getMap() as $id => $step)
        {
            return $id;
        }
 
        return null;
    }

    public function getNextStepId(int $stepId): ?int
    {
        $useNext = false;
        foreach ($this->getMap() as $id => $step)
        {
            if ($useNext)
            {
                return $id;
            }
 
            if ($id === $stepId)
            {
                $useNext = true;
            }
        }
 
        return null;
    }
 
    public function isLastStep(int $stepId): bool
    {
        $ids = array_keys($this->getMap());
        $lastId = array_pop($ids);
        if (!$lastId)
        {
            return false;
        }
 
        return $lastId === $stepId;
    }

    public function checkStep(?int $stepId): bool
    {
        if ($stepId === null)
        {
            return true;
        }
 
        return array_key_exists($stepId, $this->getMap());
    }
}