ACP2E-1172: categoryList Graphql request show 0 product count

Author: pradeep1819

app/code/Magento/CatalogGraphQl/Model/AttributesJoiner.php

@@ -10,7 +10,6 @@
 use GraphQL\Language\AST\FieldNode;
 use GraphQL\Language\AST\InlineFragmentNode;
 use GraphQL\Language\AST\NodeKind;
-use Magento\Catalog\Api\Data\CategoryInterface;
 use Magento\Eav\Model\Entity\Collection\AbstractCollection;
 use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
 
@@ -19,7 +18,6 @@
  */
 class AttributesJoiner
 {
-    private const REQUEST_FIELD_NAME = 'categoryList';
     /**
      * @var array
      */
@@ -77,6 +75,7 @@ public function getQueryFields(FieldNode $fieldNode, ResolveInfo $resolveInfo):
                     $fragmentFields[] = $this->addInlineFragmentFields($resolveInfo, $field);
                 } elseif ($field->kind === NodeKind::FRAGMENT_SPREAD &&
                     ($spreadFragmentNode = $resolveInfo->fragments[$field->name->value])) {
+
                     foreach ($spreadFragmentNode->selectionSet->selections as $spreadNode) {
                         if (isset($spreadNode->selectionSet->selections)) {
                             $fragmentFields[] = $this->getQueryFields($spreadNode, $resolveInfo);
@@ -86,11 +85,6 @@ public function getQueryFields(FieldNode $fieldNode, ResolveInfo $resolveInfo):
                     }
                 } else {
                     $selectedFields[] = $field->name->value;
-                    $selectedFields = $this->addIsAnchoredAttributeToSelectedFiled(
-                        $resolveInfo,
-                        $field,
-                        $selectedFields
-                    );
                 }
             }
             if ($fragmentFields) {
@@ -178,24 +172,4 @@ private function setSelectionsForFieldNode(FieldNode $fieldNode, array $selected
     {
         $this->queryFields[$fieldNode->name->value][$fieldNode->name->loc->start] = $selectedFields;
     }
-
-    /**
-     * Add `is_anchor` attribute to selected field
-     *
-     * @param ResolveInfo $resolveInfo
-     * @param FieldNode $fieldNode
-     * @param array $selectedFields
-     * @return array
-     */
-    private function addIsAnchoredAttributeToSelectedFiled(
-        ResolveInfo $resolveInfo,
-        FieldNode $fieldNode,
-        array $selectedFields
-    ): array {
-        if ($resolveInfo->fieldName === self::REQUEST_FIELD_NAME
-            && $fieldNode->name->value === CategoryInterface::KEY_PRODUCT_COUNT) {
-            $selectedFields[] = 'is_anchor';
-        }
-        return $selectedFields;
-    }
 }

app/code/Magento/CatalogGraphQl/Model/Resolver/Products/DataProvider/CategoryTree.php

@@ -138,6 +138,7 @@ private function getCollection(ResolveInfo $resolveInfo, int $rootCategoryId) :
         } else {
             $regExpPathFilter = sprintf('.*/%s/[/0-9]*$', $rootCategoryId);
         }
+        $collection->addAttributeToSelect('is_anchor');
 
         //Search for desired part of category tree
         $collection->addPathFilter($regExpPathFilter);