#1661 added phrase query before and then or querys of solr search

web/modules/custom/materio_sapi/src/Controller/Base.php

@@ -44,6 +44,44 @@ class Base extends ControllerBase {
       'nids' => []
     ];
 
+    // PHRASE QUERY 
+    // (to match exact materials names (like "wood-skin"))
+    $this->phrase_query = $this->index->query(['offset'=>0,'limit'=>10000]);
+    // set parse mode and conjunction
+    $parse_mode = \Drupal::service('plugin.manager.search_api.parse_mode')
+    ->createInstance('phrase');
+    $parse_mode->setConjunction('AND');
+    $this->phrase_query->setParseMode($parse_mode);
+    // Set fulltext search keywords and fields.
+    if ($this->keys) {
+      $this->phrase_query->keys(implode(' ', $this->keys));
+    }
+    $this->phrase_query->setFulltextFields(['title']);
+    
+    // Restrict the search to specific languages.
+    $this->phrase_query->setLanguages([$lang]);
+
+    // Do paging.
+    // $this->and_query->range($this->offset, $this->limit);
+    // retrieve all results
+    // $this->and_query->range(0, -1);
+
+    // Add sorting.
+    $this->phrase_query->sort('search_api_relevance', 'DESC');
+
+    // Set one or more tags for the query.
+    // @see hook_search_api_query_TAG_alter()
+    // @see hook_search_api_results_TAG_alter()
+    $this->phrase_query->addTag('materio_sapi_search_phrase_query');
+
+    $phrase_results = $this->phrase_query->execute();
+
+    foreach ($phrase_results as $result) {
+      $this->results['uuids'][] = $result->getField('uuid')->getValues()[0];
+      $this->results['nids'][] = $result->getField('nid')->getValues()[0];
+    }
+
+
     // AND QUERY
     $this->and_query = $this->index->query(['offset'=>0,'limit'=>10000]);
     // set parse mode and conjunction
@@ -141,9 +179,14 @@ class Base extends ControllerBase {
     $and_results = $this->and_query->execute();
 
     foreach ($and_results as $result) {
+      // !! have to remove duplicates from phrase query
+      $nid = $result->getField('nid')->getValues()[0];
+      if ( !in_array($nid, $this->results['nids']) ) {
         $this->results['uuids'][] = $result->getField('uuid')->getValues()[0];
         $this->results['nids'][] = $result->getField('nid')->getValues()[0];
       }
+    }
+
 
     $this->exactematch_count = count($this->results['nids']);