- Вывели в отображение список прикрепленных файлов

common/modules/analyticsSchool/controllers/LessonAdminController.php

@@ -73,9 +73,15 @@ class LessonAdminController extends AdminController {
      * @return string
      */
     public function actionView($id){
+        $files = new ActiveDataProvider([
+            'query' => AnalyticsSchoolLessonFile::find()->where([
+                    'lesson_id' => $id
+                ])
+        ]);
         return $this->render(
             'view', [
                 'model' => $this->findModel($id),
+                'files' => $files
             ]
         );
     }

common/modules/analyticsSchool/views/lesson-admin/view.php

 <?php
 use yii\widgets\DetailView;
 use \common\modules\analyticsSchool\models\AnalyticsSchoolLesson;
+use \yii\grid\GridView;
 
 /** @var AnalyticsSchoolLesson $model */
 ?>
@@ -24,3 +25,14 @@ use \common\modules\analyticsSchool\models\AnalyticsSchoolLesson;
     ]);
     ?>
 </div>
+<div class="analytics-school-files-view">
+    <?= GridView::widget([
+        'dataProvider' => $files,
+        'columns' => [
+            ['class' => 'yii\grid\SerialColumn'],
+
+            'title',
+            'file',
+        ],
+    ]); ?>
+</div>