unique index auf user.name

ReallifeGamemode.Database/Models/DatabaseContext.cs

@@ -1,4 +1,6 @@
-using Microsoft.EntityFrameworkCore;
+using System;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
 using Microsoft.Extensions.Logging;
 
@@ -43,10 +45,16 @@ namespace ReallifeGamemode.Database.Models
           .HasIndex(b => b.BusinessId)
           .IsUnique(true);
 
-      modelBuilder.Entity<Entities.User>()
-          .HasIndex(u => u.BusinessId)
+      modelBuilder.Entity<Entities.User>(e =>
+      {
+        e.HasIndex(u => u.BusinessId)
           .IsUnique(true);
 
+        e.HasIndex(u => u.Name)
+          .IsUnique(true);
+      });
+          
+
       modelBuilder.Entity<Entities.ServerVehicle>()
           .Property(sv => sv.Active)
           .HasDefaultValue(true);