Common\Authentication\Storage\Db

gistfile1.aw

<?php

namespace Common\Authentication\Storage;

use Doctrine\Common\Persistence\ObjectRepository;
use Zend\Authentication\Storage\StorageInterface;

/**
 * This class implements StorageInterface and allow to save the result of an authentication against a database
 */
class Db implements StorageInterface
{
    /**
     * @var ObjectRepository
     */
    protected $objectRepository;

    /**
     * @var StorageInterface
     */
    protected $storage;


    /**
     * @param ObjectRepository $objectRepository
     * @param StorageInterface $storage
     */
    public function __construct(ObjectRepository $objectRepository, StorageInterface $storage)
    {
        $this->objectRepository = $objectRepository;
        $this->storage = $storage;
    }

    /**
     * @return bool
     */
    public function isEmpty()
    {
        return $this->storage->isEmpty();
    }

    /**
     * @return mixed|null|object
     */
    public function read()
    {
        $identity = $this->storage->read();

        if (is_scalar($identity)) {
            return $this->objectRepository->find($identity);
        } else {
            return null;
        }
    }

    /**
     * @param $contents
     * @return void
     */
    public function write($contents)
    {
        $this->storage->write($contents);
    }

    /**
     * @return void
     */
    public function clear()
    {
        $this->storage->clear();
    }
}