Improve Event management

frontend/controllers/InventoryItemController.php

@@ -32,7 +32,12 @@ class InventoryItemController extends Controller
 
     /**
      * Lists all InventoryItem models.
+     * @param $id
      * @return mixed
+     * @throws NotFoundHttpException
+     * @throws \PHPExcel_Exception
+     * @throws \PHPExcel_Reader_Exception
+     * @throws \PHPExcel_Writer_Exception
      */
     public function actionIndex($id)
     {
@@ -62,7 +67,13 @@ class InventoryItemController extends Controller
         ]);
     }
 
-    
+
+    /**
+     * @param $dataProvider
+     * @throws \PHPExcel_Exception
+     * @throws \PHPExcel_Reader_Exception
+     * @throws \PHPExcel_Writer_Exception
+     */
     protected function downloadIndexXls($dataProvider){
     	
     	
@@ -132,11 +143,12 @@ class InventoryItemController extends Controller
     		$objWriter->save ( 'php://output' );
     		exit ();
     }
-    
+
     /**
      * Displays a single InventoryItem model.
      * @param integer $id
      * @return mixed
+     * @throws NotFoundHttpException
      */
     public function actionView($id)
     {
@@ -149,6 +161,7 @@ class InventoryItemController extends Controller
      * Creates a new InventoryItem model.
      * If creation is successful, the browser will be redirected to the 'view' page.
      * @return mixed
+     * @throws \Exception
      */
     public function actionCreate($id)
     {
@@ -172,6 +185,7 @@ class InventoryItemController extends Controller
      * If update is successful, the browser will be redirected to the 'view' page.
      * @param integer $id
      * @return mixed
+     * @throws NotFoundHttpException
      */
     public function actionUpdate($id)
     {
@@ -200,6 +214,8 @@ class InventoryItemController extends Controller
      * If deletion is successful, the browser will be redirected to the 'index' page.
      * @param integer $id
      * @return mixed
+     * @throws NotFoundHttpException
+     * @throws \yii\db\StaleObjectException
      */
     public function actionDelete($id)
     {