Versuch Admin-Ansicht zu reparieren

accounts/admin.py

@@ -0,0 +1,27 @@
+from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+from .models import User, Player
+
+
+@admin.register(User)
+class CustomUserAdmin(BaseUserAdmin):
+    list_display = ('username', 'email', 'first_name', 'last_name', 'role')
+    list_filter = ('role', 'is_staff', 'is_active')
+    search_fields = ('username', 'email', 'first_name', 'last_name')
+    
+    # Zeigt die Rolle direkt in der Liste an
+    fieldsets = BaseUserAdmin.fieldsets + (
+        ('Rolle', {'fields': ('role',)}),
+    )
+
+
+@admin.register(Player)
+class PlayerAdmin(admin.ModelAdmin):
+    list_display = ('first_name', 'last_name', 'club')
+    search_fields = ('first_name', 'last_name', 'club')
+    list_filter = ('club',)
+
+    def get_queryset(self, request):
+        # Performance-Optimierung: Lade den User-Mitmenschen mit (falls vorhanden)
+        return super().get_queryset(request).select_related('user')
+