Merge pull request #29 from aubriehill/add-relevance-score

Issue #28 Added relevance score field

Author: duartegarin

src/Plugin/GraphQL/Fields/SearchAPIRelevance.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Drupal\graphql_search_api\Plugin\GraphQL\Fields;
+
+use Drupal\graphql\GraphQL\Execution\ResolveContext;
+use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
+use GraphQL\Type\Definition\ResolveInfo;
+
+/**
+ * A Solr relevance score.
+ *
+ * @GraphQLField(
+ *   secure = true,
+ *   parents = {"SearchAPIDocument"},
+ *   id = "search_api_relevance",
+ *   name = "relevance",
+ *   type = "Float",
+ * )
+ */
+class SearchAPIRelevance extends FieldPluginBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function resolveValues($value, array $args, ResolveContext $context, ResolveInfo $info) {
+    yield $value['relevance'];
+  }
+
+}

src/Plugin/GraphQL/Fields/SearchAPISearch.php

@@ -342,9 +342,12 @@ private function getSearchResponse($results) {
     foreach ($result_items as $id => &$item) {
       // Load the response document into the search response array.
       $document['item'] = $item->getFields();
-      $document['index_id'] = $this->index->id();;
+      $document['index_id'] = $this->index->id();
       $document['type'] = str_replace("_", "", ucwords($this->index->id() . "Doc", '_'));
 
+      // Set the relevance score.
+      $document['relevance'] = $item->getScore();
+
       $search_response['SearchAPIDocument'][] = $document;
     }