Magento Question posted in
The official documentation can be found here.

How to get products by category id in magento 2.2.1?

I am working in Magento 2.2.1, I am trying to get product-collection of a category by its category id.

Every time when i use to call using this example, I always get an error.

Tags:

2

Answers


  1. 0

    Try Below Code:

    <?php
$objectManager =  MagentoFrameworkAppObjectManager::getInstance();        

$categoryFactory = $objectManager->get('MagentoCatalogModelCategoryFactory');
$categoryHelper = $objectManager->get('MagentoCatalogHelperCategory');
$categoryRepository = $objectManager->get('MagentoCatalogModelCategoryRepository');
$store = $objectManager->get('MagentoStoreModelStoreManagerInterface')->getStore();

$categoryId = 47; // YOUR CATEGORY ID
$category = $categoryFactory->create()->load($categoryId);

$categoryProducts = $category->getProductCollection()
                             ->addAttributeToSelect('*');

foreach ($categoryProducts as $product) 
{
    $imageUrl = $store->getBaseUrl(MagentoFrameworkUrlInterface::URL_TYPE_MEDIA) . 'catalog/product' . $product->getImage();
    ?>

     <div class="product-container">
                  <a href="<?= $product->getProductUrl(); ?>">

                     <div class="new-arrivals-image"><img src="<?= $imageUrl;?>"></div>
                     <div class="product-name"><span class="name"><?= $product->getName(); ?></span></div>
                  </a>
                  <div class="price"><span class="pt"><?= $product->getPrice(); ?></span></div>
               </div>

<?php
}
?>

    I hope it will help you

    Login or Signup to reply.
  2. 0

    Better and more actual way to get products by category – via ProductRepository and built-in Filters (from Magento 2.2)

    public function __construct(
    ProductRepositoryInterface $productRepository,
    SearchCriteriaBuilder $criteriaBuilder
) {
    $this->productRepository = $productRepository;
    $this->criteriaBuilder = $criteriaBuilder;
}

/**
 * @return ProductInterface[]
 */
public function getProducts(): array
{
    $categoryIdsToExport = $this->config->getCategoriesToExport();

    return $this->productRepository->getList(
        $this->criteriaBuilder
            //It's Custom Filter from di.xml
            ->addFilter('category_id', $categoryIdsToExport, 'in') 
            //Here you cat filter products in standart Magento way
            ->addFilter('status', MagentoCatalogModelProductAttributeSourceStatus::STATUS_ENABLED)
            ->addFilter('visibility', MagentoCatalogModelProductVisibility::VISIBILITY_BOTH)
            ->create()
    )->getItems();
}

    Unfortunately There are few info in stackexchange about "Search Criteria Unify Processing" – better and currently proper way to filter,sort models.

    Here Magento doc about Search Criteria Unify Processing

    Also you can register your own CustomFilter to filter products.
    See example in vendor/magento/module-catalog/etc/di.xml :

    <virtualType name="MagentoCatalogModelApiSearchCriteriaCollectionProcessorProductFilterProcessor" type="MagentoEavModelApiSearchCriteriaCollectionProcessorFilterProcessor">
    <arguments>
        <argument name="customFilters" xsi:type="array">
            <!-- You can specify your attribute and map a class to apply filter -->
            <item name="category_id" xsi:type="object">MagentoCatalogModelApiSearchCriteriaCollectionProcessorFilterProcessorProductCategoryFilter</item>
            <item name="store" xsi:type="object">MagentoCatalogModelApiSearchCriteriaCollectionProcessorFilterProcessorProductStoreFilter</item>
            <item name="store_id" xsi:type="object">MagentoCatalogModelApiSearchCriteriaCollectionProcessorFilterProcessorProductStoreFilter</item>
            <item name="website_id" xsi:type="object">MagentoCatalogModelApiSearchCriteriaCollectionProcessorFilterProcessorProductWebsiteFilter</item>
        </argument>
    </arguments>
</virtualType>
    Login or Signup to reply.
Please signup or login to give your own answer.

Back To Top
Search