src/Biz/Accessor/AccessorAdapter.php

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<?php

namespace Biz\Accessor;

use Biz\User\CurrentUser;
use Codeages\Biz\Framework\Context\Biz;

abstract class AccessorAdapter implements AccessorInterface
{
    const CONTEXT_ERROR_KEY = '_contextResults';
    /**
     * @var Biz
     */
    protected $biz;

    private $messages;

    /**
     * @var \Biz\Accessor\AccessorAdapter
     */
    private $nextAccessor = null;

    public function __construct($biz)
    {
        $this->biz = $biz;
        $this->registerDefaultMessages();
        $this->registerMessages();
    }

    public function setNextAccessor(AccessorInterface $nextAccessor)
    {
        $this->nextAccessor = $nextAccessor;
    }

    public function getNextAccessor()
    {
        return $this->nextAccessor;
    }

    public function process($bean)
    {
        $error = $this->access($bean);
        if ($this->nextAccessor) {
            if ($error) {
                $bean[self::CONTEXT_ERROR_KEY] = $error;
            }

            return $this->nextAccessor->access($bean);
        } else {
            return $error;
        }
    }

    public function hasError($bean, $errorCode)
    {
        if (empty($bean[self::CONTEXT_ERROR_KEY])) {
            return false;
        } else {
            return $bean[self::CONTEXT_ERROR_KEY]['code'] === $errorCode;
        }