From e381f99b5a4ed4a3f96793b929f5ee2da6703eda Mon Sep 17 00:00:00 2001
From: Schedel Pascal <pascal.schedel@dr-schneider.com>
Date: Mon, 17 Jun 2024 08:38:10 +0200
Subject: [PATCH] simpler nullcheck

---
 OwnChar/Manager/OwnCharManager.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/OwnChar/Manager/OwnCharManager.cs b/OwnChar/Manager/OwnCharManager.cs
index 2d91af5..f275111 100644
--- a/OwnChar/Manager/OwnCharManager.cs
+++ b/OwnChar/Manager/OwnCharManager.cs
@@ -9,7 +9,8 @@ namespace OwnChar.Manager;
 public class OwnCharManager
 {
     // User
-    public bool IsLoggedIn => CurrentUser != null;
+    [MemberNotNullWhen(true, nameof(CurrentUser), nameof(DataManager))]
+    public bool IsLoggedIn => CurrentUser != null && DataManager != null;
     public UserAccount? CurrentUser { get; private set; }
 
     // Data Provider
@@ -30,7 +31,7 @@ public class OwnCharManager
     [MemberNotNull(nameof(CurrentUser), nameof(DataManager))]
     internal protected void CheckLogin()
     {
-        if (DataManager == null || CurrentUser == null || !IsLoggedIn)
+        if (!IsLoggedIn)
             throw new LoginException("You are already logged in!");
     }