SITES-22111 - Extend core CIF graphQL resolver with new function/API to expose Errors (#1008)

* added support for errors in more retrievers and components

Author: LSantha

bundles/core/src/main/java/com/adobe/cq/commerce/core/components/internal/models/v1/productcarousel/ProductsRetriever.java

@@ -131,7 +131,8 @@ protected void populate() {
         }
 
         GraphqlResponse<Query, Error> response = executeQuery();
-        if (CollectionUtils.isEmpty(response.getErrors())) {
+        errors = response.getErrors();
+        if (CollectionUtils.isEmpty(errors)) {
             Query rootQuery = response.getData();
             List<CategoryTree> items = rootQuery.getCategoryList();
             if (CollectionUtils.isNotEmpty(items)) {

bundles/core/src/main/java/com/adobe/cq/commerce/core/components/internal/services/UrlToProductRetriever.java

@@ -58,8 +58,8 @@ protected ProductInterfaceQueryDefinition generateProductQuery() {
     protected void populate() {
         // Get product list from response
         GraphqlResponse<Query, Error> response = executeQuery();
-
-        if (CollectionUtils.isEmpty(response.getErrors())) {
+        errors = response.getErrors();
+        if (CollectionUtils.isEmpty(errors)) {
             Query rootQuery = response.getData();
             List<ProductInterface> products = rootQuery.getProducts().getItems();
 

bundles/core/src/main/java/com/adobe/cq/commerce/core/search/internal/services/SearchResultsServiceImpl.java

@@ -231,6 +231,7 @@ public Pair<QueryQuery.CategoryListArgumentsDefinition, CategoryTreeQueryDefinit
             response.getErrors()
                 .forEach(err -> LOGGER.error("An error has occurred: {} ({})", err.getMessage(), err.getCategory()));
 
+            searchResultsSet.setErrors(errors);
             return new ImmutablePair<>(category, searchResultsSet);
         }