added synonyms to search autocomplete and results, improved collection admin view

sites/all/modules/figli/edlp_search/src/Controller/EdlpSearchController.php

@@ -93,6 +93,8 @@ class EdlpSearchController extends ControllerBase {
     $response = new JsonResponse($this->matches);
     return $response;
 
+    // dpm($this->matches, 'matches');
+    //
     // return array(
     //   "#markup" => "autocomplete"
     // );
@@ -132,32 +134,45 @@ class EdlpSearchController extends ControllerBase {
       $query->keys($this->keys);
     }
 
-    // select the field in which search will be performed
-    $query->setFulltextFields(array($this->field_name));
+
+    if(null !== $this->field_synonyms){
+      // select the taxo field AND the synonym field in which search will be performed
+      $query->setFulltextFields(array($this->field_name, $this->field_synonyms));
+    }else{
+      // OR select the unique taxo field in which search will be performed
+      $query->setFulltextFields(array($this->field_name));
+    }
 
     $result = $query->execute();
     $items = $result->getResultItems();
 
     $this->matches = [];
     foreach ($items as $item) {
+      // get the field from item
       try {
         /** @var \Drupal\Core\Entity\EntityInterface $entity */
         $fields = $item->getField($this->field_name)->getValues();
       }catch (SearchApiException $e) {
+        // if error on getinfg the field, skip item
         continue;
       }
+      // if no fields returned, skip item
       if (!$fields) {
         continue;
       }
 
+      // get field content
       $field_text = $fields[0]->getText();
 
+      // if content already in matches, skip item
       if( in_array($field_text, $this->matches) ){
         continue;
       }
 
+      // add the item to the return list
       $this->matches[] = $field_text;
 
+      // do not return more than 14 items
       if(count($this->matches) > 14){
         break;
       }
@@ -169,8 +184,12 @@ class EdlpSearchController extends ControllerBase {
   * getRequestArgs
   */
   private function getRequestAutocompleteArgs(){
+    // args are provided by form definition with autocomplete_route_parameters
     // dpm($this->request);
     $this->field_name = $this->request->query->get('field_name');
+    // if($this->request->query->get('field_synonyms')){
+      $this->field_synonyms = $this->request->query->get('field_synonyms');
+    // }
     $this->keys = $this->request->query->get('q');
   }
 

sites/all/modules/figli/edlp_search/src/Form/EdlpSearchForm.php

@@ -54,7 +54,7 @@ class EdlpSearchForm extends FormBase {
       'genres' => [
         '#type' => 'textfield',
         '#autocomplete_route_name' => 'edlp_search.edlp_search_controller_autocomplete',
-        '#autocomplete_route_parameters' => array('field_name' => 'field_genres'),
+        '#autocomplete_route_parameters' => array('field_name' => 'field_genres', 'field_synonyms' => 'field_synonyms'),
         '#maxlength' => 20,
         '#size' => 15,
         '#weight' => '0',