updated marketplace graphql

Author: landofcoder

Model/Resolver/Sellers.php

@@ -98,7 +98,9 @@ public function resolve(
             throw new GraphQlInputException(__('pageSize value must be greater than 0.'));
         }
         $store = $context->getExtensionAttributes()->getStore();
-        $args[Filter::ARGUMENT_NAME] = $this->formatMatchFilters($args['filter'], $store);
+        if(isset($args['filter']) && $args['filter']){
+            $args[Filter::ARGUMENT_NAME] = $this->formatMatchFilters($args['filter'], $store);
+        }
         $searchCriteria = $this->searchCriteriaBuilder->build('lof_marketplace_seller', $args);
         $searchCriteria->setCurrentPage($args['currentPage']);
         $searchCriteria->setPageSize($args['pageSize']);

etc/schema.graphqls

@@ -58,15 +58,15 @@ type Query {
 
     lofProductBySellerId(
         seller_id: Int! @doc(description: "Seller id")
-        search: String @doc(description: "Performs a full-text search using the specified key words."),
+        search: String = "" @doc(description: "Performs a full-text search using the specified key words."),
         filter: ProductAttributeFilterInput @doc(description: "Identifies which product attributes to search for and return."),
         pageSize: Int = 20 @doc(description: "Specifies the maximum number of results to return at once. This attribute is optional."),
         currentPage: Int = 1 @doc(description: "Specifies which page of results to return. The default value is 1."),
         sort: ProductAttributeSortInput @doc(description: "Specifies which attributes to sort on, and whether to return the results in ascending or descending order.")
     ): Products @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\ProductBySellerId") @doc(description: "Get Product by Seller ID")
 
     lofProductList(
-        search: String @doc(description: "Performs a full-text search using the specified key words."),
+        search: String = "" @doc(description: "Performs a full-text search using the specified key words."),
         filter: ProductAttributeFilterInput @doc(description: "Identifies which product attributes to search for and return."),
         pageSize: Int = 20 @doc(description: "Specifies the maximum number of results to return at once. This attribute is optional."),
         currentPage: Int = 1 @doc(description: "Specifies which page of results to return. The default value is 1."),