ACP2E-1172: categoryList Graphql request show 0 product count

Author: pradeep1819

app/code/Magento/CatalogGraphQl/Model/Resolver/Category/ProductsCount.php

@@ -8,14 +8,15 @@
 namespace Magento\CatalogGraphQl\Model\Resolver\Category;
 
 use Magento\Catalog\Model\Category;
+use Magento\Catalog\Model\CategoryRepository;
 use Magento\Catalog\Model\Product\Visibility;
 use Magento\CatalogGraphQl\Model\Resolver\Products\DataProvider\Product\CompositeCollectionProcessor;
 use Magento\Framework\Api\SearchCriteriaInterface;
-use Magento\Framework\GraphQl\Exception\GraphQlInputException;
-use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
 use Magento\Framework\GraphQl\Query\ResolverInterface;
-
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
 
 /**
  * Retrieves products count for a category
@@ -37,19 +38,27 @@ class ProductsCount implements ResolverInterface
      */
     private $searchCriteria;
 
+    /**
+     * @var CategoryRepository
+     */
+    private $categoryRepository;
+
     /**
      * @param Visibility $catalogProductVisibility
      * @param SearchCriteriaInterface $searchCriteria
      * @param CompositeCollectionProcessor $collectionProcessor
+     * @param CategoryRepository|null $categoryRepository
      */
     public function __construct(
         Visibility $catalogProductVisibility,
         SearchCriteriaInterface $searchCriteria,
-        CompositeCollectionProcessor $collectionProcessor
+        CompositeCollectionProcessor $collectionProcessor,
+        ?CategoryRepository $categoryRepository = null
     ) {
         $this->catalogProductVisibility = $catalogProductVisibility;
         $this->searchCriteria = $searchCriteria;
         $this->collectionProcessor = $collectionProcessor;
+        $this->categoryRepository = $categoryRepository ?? ObjectManager::getInstance()->get(CategoryRepository::class);
     }
 
     /**
@@ -62,6 +71,10 @@ public function resolve(Field $field, $context, ResolveInfo $info, array $value
         }
         /** @var Category $category */
         $category = $value['model'];
+
+        if (!$category->getIsAnchor() !== null) {
+            $category->setIsAnchor($this->categoryRepository->get($value['id'])->getIsAnchor());
+        }
         $productsCollection = $category->getProductCollection();
         $productsCollection->setVisibility($this->catalogProductVisibility->getVisibleInSiteIds());
         $productsCollection = $this->collectionProcessor->process(
@@ -70,8 +83,7 @@ public function resolve(Field $field, $context, ResolveInfo $info, array $value
             [],
             $context
         );
-        $size = $productsCollection->getSize();
 
-        return $size;
+        return $productsCollection->getSize();
     }
 }

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoryListTest.php

@@ -919,4 +919,46 @@ public function testFilterStoreRootCategory() : void
         $this->assertArrayNotHasKey('errors', $result);
         $this->assertCount(1, $result['categoryList']);
     }
+
+    /**
+     * @magentoApiDataFixture Magento/Catalog/_files/categories.php
+     */
+    public function testQueryParentCategoriesProductCount()
+    {
+        $query = <<<QUERY
+{
+    categoryList(filters: {ids: {eq: "3"}}){
+        id
+        name
+        product_count
+        level
+        children{
+          name
+          product_count
+          level
+          children{
+            name
+            product_count
+            level
+            children{
+                name
+                product_count
+                level
+                children {
+                    name
+                    product_count
+                    level
+                }
+            }
+          }
+        }
+    }
+}
+QUERY;
+        $response = $this->graphQlQuery($query);
+        $this->assertArrayNotHasKey('errors', $response);
+        $this->assertArrayHasKey('categoryList', $response);
+        $baseCategory = $response['categoryList'][0];
+        $this->assertEquals(3, $baseCategory['product_count']);
+    }
 }