From 7e52935b777f9fec88ebb26bb555826d16b59318 Mon Sep 17 00:00:00 2001
From: XXNitram <matti.55@hotmail.de>
Date: Wed, 18 Mar 2020 15:05:09 +0100
Subject: [PATCH] Add check for empty csv file

and set required parameter to false

Co-Authored-By: Lukas Ettel <lukasettel@users.noreply.github.com>
---
 .../java/mops/gruppen2/controller/Gruppen2Controller.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java b/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
index a6bdcca..9ae3d51 100644
--- a/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
+++ b/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
@@ -79,10 +79,13 @@ public class Gruppen2Controller {
                                @RequestParam(value = "title") String title,
                                @RequestParam(value = "beschreibung") String beschreibung,
                                @RequestParam(value = "visibility", required = false) Boolean visibility,
-                               @RequestParam("file") MultipartFile file) throws IOException {
+                               @RequestParam(value = "file", required = false) MultipartFile file) throws IOException {
 
         Account account = keyCloakService.createAccountFromPrincipal(token);
-        List<User> userList = CsvService.read(file.getInputStream());
+        List<User> userList = new ArrayList<>();
+        if(!file.isEmpty()) {
+            userList = CsvService.read(file.getInputStream());
+        }
         visibility = visibility == null;
         controllerService.createLecture(account, title, beschreibung, visibility, userList);