Product.php

<?php
/**
 * Author: Patrik Gmitter <[email protected]>
 * Date: 4/30/12
 */

namespace Patie\Eshop\Store;

use Nette;
use Nette\Caching\Cache;

class Product extends \Nette\Object
{

	private $storage;


	public $id;
	protected $name;

	public function __construct(ProductStorage $storage)
	{
		$this->storage = $storage;
	}

	/**
	 * @return ProductStorage
	 */
	final public function getStorage()
	{
		return $this->storage;
	}

	/**
	 * @return Product|NULL
	 */
	final public function getProduct($id)
	{
		return $this->storage->getProduct($id);
	}


}

ProductStorage.php

<?php
/**
 * Author: Patrik Gmitter <[email protected]>
 * Date: 5/6/12
 */

namespace Patie\Eshop\Store;

class ProductStorage
{

	protected $cache;

	/**
	 * @var ProductRepository
	 */
	private $repository;

	/**
	 * @var Product|NULL
	 */
	private $product = NULL;


	public function __construct(\Nette\Caching\Storages\FileStorage $storage, \Patie\Eshop\Model\ProductRepository $repository)
	{
		$this->repository = $repository;
		$this->cache = new \Nette\Caching\Cache($storage);
	}

	public function getProduct($id)
	{
		$this->product = $this->cache->load($id);
		if ($this->product === NULL) {
			$dbProduct = $this->repository->find($id);

			if (!$dbProduct) {
				return;
			}

			// TOTO BUDE ZREJME HLUPOST PRETOZE PRODUCT SAM VYZADUJE ProductCache
// neviem ako stvorit objekt, ktory sa zapise do cache

//			$product = new Product();
//			$product->id = $dbProduct->id;
//			$product->name = $dbProduct->name;

			$this->product = $this->cache->save($id, $product, array(
				Cache::TAGS => array("product/$this->id"),
			));

		}

		return $this->product;

	}
}