added thesaurus ordered in sapi solr database index

web/modules/custom/materio_sapi/src/ThesaurusRefComputed.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Drupal\materio_sapi;
+
+use Drupal\Core\Field\EntityReferenceFieldItemList;
+use Drupal\Core\TypedData\ComputedItemListTrait;
+
+class ThesaurusRefComputed extends EntityReferenceFieldItemList {
+  use ComputedItemListTrait;
+
+  /**
+   * Computed related blog posts.
+   */
+  protected function computeValue() {
+    $field_name = $this->getName();
+    switch ($field_name) {
+      case 'thesaurus_0':
+        $delta = 0;
+        break;
+      case 'thesaurus_1':
+        $delta = 1;
+        break;
+      case 'thesaurus_2':
+        $delta = 2;
+        break;
+      case 'thesaurus_3':
+        $delta = 3;
+        break;
+      case 'thesaurus_4':
+        $delta = 4;
+        break;
+      default:
+        $delta = -1;
+        break;
+    }
+
+    $thes_terms = $this->getParent()->getValue()->get('field_thesaurus')->getValue();
+
+    if (count($thes_terms) > 0) {
+      if (isset($thes_terms[$delta])) {
+        $term = $thes_terms[$delta];
+        $this->list[0] = $this->createItem(0, $term);
+        $t="t";
+      }
+    }
+  }
+}