ACP2E-1172: categoryList Graphql request show 0 product count

Author: pradeep1819

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

@@ -64,7 +64,6 @@ public function join(FieldNode $fieldNode, AbstractCollection $collection, Resol
      * @param FieldNode $fieldNode
      * @param ResolveInfo $resolveInfo
      * @return string[]
-     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      */
     public function getQueryFields(FieldNode $fieldNode, ResolveInfo $resolveInfo): array
     {
@@ -87,10 +86,11 @@ public function getQueryFields(FieldNode $fieldNode, ResolveInfo $resolveInfo):
                     }
                 } else {
                     $selectedFields[] = $field->name->value;
-                    if ($resolveInfo->fieldName === self::REQUEST_FIELD_NAME
-                        && $field->name->value === CategoryInterface::KEY_PRODUCT_COUNT) {
-                        $selectedFields[] = 'is_anchor';
-                    }
+                    $selectedFields = $this->addIsAnchoredAttributeToSelectedFiled(
+                        $resolveInfo,
+                        $field,
+                        $selectedFields
+                    );
                 }
             }
             if ($fragmentFields) {
@@ -178,4 +178,21 @@ 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
+     * @param $field
+     * @param $selectedFields
+     * @return array
+     */
+    private function addIsAnchoredAttributeToSelectedFiled($resolveInfo, $field, $selectedFields): array
+    {
+        if ($resolveInfo->fieldName === self::REQUEST_FIELD_NAME
+            && $field->name->value === CategoryInterface::KEY_PRODUCT_COUNT) {
+            $selectedFields[] = 'is_anchor';
+        }
+        return $selectedFields;
+    }
 }