How does \Magento\Catalog\Api\ProductRepository::getById() work?

dmitry_fedyuk · April 23, 2016, 12:35pm

Context: How to get a product by its ID programmatically?

Interface

magento/magento2/blob/958164/app/code/Magento/Catalog/Api/ProductRepositoryInterface.php#L39-L49


/**
 * Get info about product by product id
 *
 * @param int $productId
 * @param bool $editMode
 * @param int|null $storeId
 * @param bool $forceReload
 * @return \Magento\Catalog\Api\Data\ProductInterface
 * @throws \Magento\Framework\Exception\NoSuchEntityException
 */
public function getById($productId, $editMode = false, $storeId = null, $forceReload = false);

Implementation

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/etc/di.xml#L10-L10


<preference for="Magento\Catalog\Api\ProductRepositoryInterface" type="Magento\Catalog\Model\ProductRepository" />

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ProductRepository.php#L227-L230


/**
 * {@inheritdoc}
 */
public function getById($productId, $editMode = false, $storeId = null, $forceReload = false)

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ProductRepository.php#L227-L230


/**
 * {@inheritdoc}
 */
public function getById($productId, $editMode = false, $storeId = null, $forceReload = false)

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ProductRepository.php#L232-L241


$cacheKey = $this->getCacheKey([$editMode, $storeId]);
if (!isset($this->instancesById[$productId][$cacheKey]) || $forceReload) {
    $product = $this->productFactory->create();
    if ($editMode) {
        $product->setData('_edit_mode', true);
    }
    if ($storeId !== null) {
        $product->setData('store_id', $storeId);
    }
    $product->load($productId);

Details: How does \Magento\Catalog\Model\Product::load() work?

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ProductRepository.php#L242-L249


        if (!$product->getId()) {
            throw new NoSuchEntityException(__('Requested product doesn\'t exist'));
        }
        $this->instancesById[$productId][$cacheKey] = $product;
        $this->instances[$product->getSku()][$cacheKey] = $product;
    }
    return $this->instancesById[$productId][$cacheKey];
}