hot fix

common/models/Comment.php

@@ -2,6 +2,7 @@
 
 namespace common\models;
 
+use Mpdf\Tag\Th;
 use Yii;
 use yii\behaviors\TimestampBehavior;
 use yii\db\Expression;
@@ -80,6 +81,32 @@ class Comment extends \yii\db\ActiveRecord
         ];
     }
 
+    public function fields(): array
+    {
+        return [
+            'id',
+            'created_at',
+            'updated_at',
+            'user_id',
+            'user' => function () {
+                return [
+                    "fio" => $this->user->userCard->fio ?? $this->user->username,
+                    "avatar" => $this->user->userCard->photo ?? '',
+                ];
+            },
+            'parent_id',
+            'entity_type',
+            'entity_id',
+            'status',
+            'text',
+        ];
+    }
+
+    public function getUser()
+    {
+        return $this->hasOne(User::class, ['id' => 'user_id']);
+    }
+
     /**
      * @return string[]
      */