Answers

controllers/ExamTyperatingAnswer.php

@@ -0,0 +1,23 @@
+<?php namespace GermanAirlinesVa\Schooling\Controllers;
+
+use Backend\Classes\Controller;
+use BackendMenu;
+
+class ExamTyperatingAnswer extends Controller
+{
+  public $implement = ['Backend\Behaviors\ListController', 'Backend\Behaviors\FormController'];
+
+  public $listConfig = 'config_list.yaml';
+  public $formConfig = 'config_form.yaml';
+
+  public function __construct()
+  {
+    parent::__construct();
+  }
+
+  public function listExtendQuery($query)
+  {
+    $query->leftJoin('exam_questions', 'exam_questions.id', 'exam_answers.exam_question_id');
+    $query->where('exam_questions.typerating_id', '<>', null);
+  }
+}