From c3c98f06e3966f7a142df9283200ab3911289bce Mon Sep 17 00:00:00 2001
From: Sean Engelhardt <sean.f.t.engelhardt@gmail.com>
Date: Wed, 22 May 2019 18:35:58 +0200
Subject: [PATCH] Fixes an issue where sorting was tried with undefined valued

Hot-Fixes agenda sorting
---
 .../repositories/agenda/item-repository.service.ts     | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/client/src/app/core/repositories/agenda/item-repository.service.ts b/client/src/app/core/repositories/agenda/item-repository.service.ts
index 7c22d2a3a..f0878f394 100644
--- a/client/src/app/core/repositories/agenda/item-repository.service.ts
+++ b/client/src/app/core/repositories/agenda/item-repository.service.ts
@@ -57,7 +57,15 @@ export class ItemRepositoryService extends BaseRepository<ViewItem, Item> {
             MotionBlock
         ]);
 
-        this.setSortFunction((a, b) => a.weight - b.weight);
+        this.setSortFunction((a, b) => {
+            // TODO: In some occasions weight will be undefined, if the user has not the correct set of permission.
+            //       That should not be the case here.
+            if (a.weight && b.weight) {
+                return a.weight - b.weight;
+            } else {
+                return -1;
+            }
+        });
     }
 
     public getVerboseName = (plural: boolean = false) => {