fix ajax entity loading cache langauges context

sites/all/modules/figli/edlp_ajax/src/Controller/EdlpAjaxController.php

@@ -19,7 +19,17 @@ use Drupal\core\render\RenderContext;
 class EdlpAjaxController extends ControllerBase {
 
   private function query() {
-    $this->entity = entity_load($this->entity_type, $this->id);
+    $this->langcode = \Drupal::languageManager()->getCurrentLanguage()->getId();
+
+
+    $entity = entity_load($this->entity_type, $this->id);
+
+    if ($entity->hasTranslation($this->langcode)){
+      $this->entity = $entity->getTranslation($this->langcode);
+    }else{
+      $this->entity = $entity;
+    }
+
 
     if($this->entity){
       switch($this->entity_type){
@@ -174,6 +184,7 @@ class EdlpAjaxController extends ControllerBase {
       'bundle' => $this->bundle,
       'entity_type' => $this->entity_type,
       'rendered'=> $rendered,
+      'language' => $this->langcode
     ];
 
     // if content type page (productions) :
@@ -227,6 +238,9 @@ class EdlpAjaxController extends ControllerBase {
       'tags' => [
         'edlp-ajax-cache',
         // $this->entity_type.':'.$this->id // not necessary as we add $renderable as CacheableMetadata to the response
+      ],
+      'contexts' => [
+        'languages:language_content'
       ]
     ];