Add query options argument

Author: digiterra-korepov

src/Plugin/GraphQL/Fields/SearchAPISearch.php

@@ -9,6 +9,7 @@
 use Drupal\graphql\GraphQL\Cache\CacheableValue;
 use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
 use Drupal\graphql\GraphQL\Execution\ResolveContext;
+use Drupal\search_api\SearchApiException;
 use GraphQL\Type\Definition\ResolveInfo;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -32,6 +33,7 @@
  *     "sort" = "[SortInput]",
  *     "facets" = "[FacetInput]",
  *     "more_like_this" = "MLTInput",
+ *     "options" = "[SearchApiQueryOptions]",
  *     "solr_params" = "[SolrParameterInput]",
  *   },
  * )
@@ -319,6 +321,19 @@ private function prepareSearchQuery($args) {
     if ($args['facets']) {
       $this->setFacets($args['facets']);
     }
+    // Adding options to the query.
+    if ($args['options']) {
+      foreach ($args['options'] as $option) {
+        if($option['json']) {
+          $value = json_decode($option['json'], true);
+        } elseif($option['value']) {
+          $value = $option['value'];
+        } else {
+          throw new SearchApiException("Option '{$option['key']}' must have value in 'value' or 'json' argument.");
+        }
+        $this->query->setOption($option['key'], $value);
+      }
+    }
     // Adding more like this parameters to the query.
     if ($args['more_like_this']) {
       $this->setMLT($args['more_like_this']);

src/Plugin/GraphQL/InputTypes/SearchApiQueryOptions.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Drupal\graphql_search_api\Plugin\GraphQL\InputTypes;
+
+use Drupal\graphql\Plugin\GraphQL\InputTypes\InputTypePluginBase;
+
+/**
+ * Search API Query Options input type.
+ *
+ * @GraphQLInputType(
+ *   id = "SearchApiQueryOptions",
+ *   name = "SearchApiQueryOptions",
+ *   description =  @Translation("Allow passing Search API query options.
+ * For simple string use ""value"" field, for array - use ""json"" field as JSON string"),
+ *   fields = {
+ *     "key" = "String!",
+ *     "value" = "String",
+ *     "json" = "String",
+ *   }
+ * )
+ */
+class SearchApiQueryOptions extends InputTypePluginBase {
+
+}