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<?php |
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namespace Wambo\Catalog; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Wambo\Catalog\Exception\RepositoryException; |
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use Wambo\Catalog\Model\Product; |
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/** |
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* Class CachedProductRepository fetches Product models from the Storage and writes Products back to the Storage |
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* while using a cache layer. |
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* |
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* @package Wambo\Catalog |
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*/ |
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class CachedProductRepository implements ProductRepositoryInterface |
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{ |
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/** |
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* @var CacheItemPoolInterface |
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*/ |
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private $cache; |
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/** |
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* @var ProductRepository |
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*/ |
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private $productRepository; |
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/** |
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* Creates a new CachedProductRepository instance. |
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* |
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* @param CacheItemPoolInterface $cache A cache backend for storing the results |
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* @param ProductRepository $productRepository A product repository for reading and writing product data |
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* |
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*/ |
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public function __construct(CacheItemPoolInterface $cache, ProductRepository $productRepository) |
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{ |
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$this->cache = $cache; |
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$this->productRepository = $productRepository; |
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} |
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/** |
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* Get all products |
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* |
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* @return Product[] |
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* |
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* @throws RepositoryException If fetching the products failed |
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*/ |
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public function getProducts() |
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{ |
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$cacheKey = "products"; |
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if ($this->cache->hasItem($cacheKey)) { |
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// return from cache |
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$cacheItem = $this->cache->getItem($cacheKey); |
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$cachedProducts = $cacheItem->get(); |
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return $cachedProducts; |
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} |
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$products = $this->productRepository->getProducts(); |
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// save to cache |
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$cacheItem = $this->cache->getItem($cacheKey); |
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$cacheItem->set($products); |
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return $products; |
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} |
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public function getById(string $id) |
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{ |
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throw new RepositoryException("Not implemented yet"); |
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} |
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public function add(Product $product) |
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{ |
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throw new RepositoryException("Not implemented yet"); |
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} |
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public function remove(Product $product) |
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{ |
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throw new RepositoryException("Not implemented yet"); |
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} |
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} |
wambo-co /
module-catalog
