iJackUA/einfach-operation

<?php

namespace einfach\operation\step;

use einfach\operation\Railway;
use const einfach\operation\response\RESPONSE_TYPE_ERROR;

class Failure extends AbstractStep
{
    public function __invoke(&$params, string $track)
    {
        // works only on Error track
        if ($track == Railway::TRACK_FAILURE) {
            $response = call_user_func($this->function, $params);
            $response = $this->normalizeStepResponse($response);
            // does not respect function return and always back to error track
            $response['type'] = RESPONSE_TYPE_ERROR;
            return $response;
        } else {
            $this->skip();
        }
    }
}