Erste Datenstruktur angelegt. CSV-Import vorbereitet.

accounts/views.py

@@ -0,0 +1,91 @@
+import csv
+import io
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework.permissions import IsAuthenticated
+from .models import Player, User
+from tournaments.models import Tournament, Registration
+from .serializers import PlayerSerializer, PlayerImportDataSerializer
+
+class PlayerListView(APIView):
+    """Listet alle Spieler auf."""
+    
+    def get(self, request):
+        players = Player.objects.all()
+        serializer = PlayerSerializer(players, many=True)
+        return Response(serializer.data)
+
+class PlayerImportView(APIView):
+    """
+    Importiert Spieler aus Moodle-CSV.
+    Erwartet ein POST mit JSON: { "csv_data": "...", "tournament_id": 1 }
+    """
+    
+    def post(self, request):
+        serializer = PlayerImportDataSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=400)
+
+        csv_string = serializer.validated_data['csv_data']
+        tournament_id = serializer.validated_data['tournament_id']
+        
+        # Ziel-Turnier finden
+        try:
+            tournament = Tournament.objects.get(id=tournament_id)
+        except Tournament.DoesNotExist:
+            return Response({"error": "Turnier nicht gefunden"}, status=404)
+
+        created_count = 0
+        existing_count = 0
+        
+        # CSV parsen (Moodle nutzt Semikolon als Separator)
+        csv_file = io.StringIO(csv_string)
+        reader = csv.reader(csv_file, delimiter=';')
+        
+        next(reader, None) # Überspringe Header-Zeile
+
+        for row in reader:
+            if len(row) < 5: 
+                continue
+            
+            last_name = row[0].strip()
+            first_name = row[1].strip()
+            email = row[2].strip()
+            # city = row[3] (optional)
+            club = row[4].strip() # Die Moodle-Gruppe/Klasse als "Verein"
+
+            if not first_name or not last_name:
+                continue
+
+            # 1. Spieler anlegen oder aktualisieren
+            player, created = Player.objects.update_or_create(
+                defaults={'club': club},
+                first_name=first_name,
+                last_name=last_name
+            )
+            
+            if created:
+                created_count += 1
+            else:
+                existing_count += 1
+
+            # 2. Spieler ins Turnier registrieren (Registration anlegen)
+            Registration.objects.get_or_create(
+                tournament=tournament,
+                player=player
+            )
+            
+            # Optional: Falls ein Login-Wunsch besteht und keine User existiert:
+            if email and not User.objects.filter(username=email).exists():
+                User.objects.create_user(
+                    username=email, 
+                    email=email, 
+                    password='schach1234' # Default-Passwort für Moodle-Imports
+                )
+
+        return Response({
+            "message": "Import abgeschlossen",
+            "created_players": created_count,
+            "updated_players": existing_count
+        }, status=201)
+