Modify Login/Register-System (almost working)

Server/Events/Login.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Text;
 using GTANetworkAPI;
 
@@ -16,7 +17,27 @@ namespace reallife_gamemode.Server.Events
         [RemoteEvent("OnPlayerLogin")]
         public void OnPlayerLogin(Client player, string password)
         {
-            
+            var checkPassword = "";
+            using (var loginContext = new Model.DatabaseContext())
+            {
+                var user = loginContext.Users.SingleOrDefault(b => b.Name == player.Name);
+                if(user.Password == null)
+                {
+                    player.TriggerEvent("loginFail", "Benutzer existiert nicht! Registriere dich zuerst!");
+                }
+                else
+                {
+                    checkPassword = user.Password;
+                }              
+            }
+            if(checkPassword == NAPI.Util.GetHashSha256(password))
+            {
+                player.TriggerEvent("loginSuccess");
+            }
+            else
+            {
+                player.TriggerEvent("loginFail","Passwort inkorrekt!");
+            }
         }
         [Command("login")]
         public void CmdLogin(Client player)
@@ -27,13 +48,13 @@ namespace reallife_gamemode.Server.Events
         public void OnPlayerRegister(Client player, string password)
         {
             
-            using (var loginContext = new Model.DatabaseContext())
+            using (var registerContext = new Model.DatabaseContext())
             {
                 var user = new Entities.User { Name = player.Name, SocialClubName = player.SocialClubName, Password = NAPI.Util.GetHashSha256(password) };
-                loginContext.Users.Add(user);
-                loginContext.SaveChanges();              
+                registerContext.Users.Add(user);
+                registerContext.SaveChanges();              
             }
             player.TriggerEvent("registerSuccess");
         }      
-    }
+    }   
 }