Files
azionelab/backend/bookings/views.py

129 lines
4.4 KiB
Python

from django.shortcuts import get_object_or_404
from rest_framework import status
from rest_framework.decorators import api_view, authentication_classes, permission_classes, throttle_classes
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.throttling import AnonRateThrottle
from shows.models import Performance
from .serializers import (
ReservationConfirmResponseSerializer,
ReservationConfirmSerializer,
ReservationCreateResponseSerializer,
ReservationCreateSerializer,
ReservationQRResponseSerializer,
)
from .services import (
AlreadyConfirmedReservation,
ExpiredToken,
InvalidToken,
NotEnoughSeats,
PerformanceNotAvailable,
ReservationNotConfirmed,
confirm_reservation_from_token,
create_pending_reservation,
retrieve_reservation_qr_from_token,
)
class ReservationCreateThrottle(AnonRateThrottle):
scope = "reservation_create"
class ReservationConfirmThrottle(AnonRateThrottle):
scope = "reservation_confirm"
@api_view(["POST"])
@authentication_classes([])
@permission_classes([AllowAny])
@throttle_classes([ReservationCreateThrottle])
def create_reservation(request, performance_id):
get_object_or_404(Performance, pk=performance_id, show__is_published=True)
serializer = ReservationCreateSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
try:
result = create_pending_reservation(
performance_id=performance_id,
name=serializer.validated_data["name"],
email=serializer.validated_data["email"],
phone=serializer.validated_data.get("phone", ""),
party_size=serializer.validated_data["party_size"],
notes=serializer.validated_data.get("notes", ""),
)
except (NotEnoughSeats, PerformanceNotAvailable) as exc:
return Response(
{"status": "booking_unavailable", "detail": str(exc)},
status=status.HTTP_409_CONFLICT,
)
response_serializer = ReservationCreateResponseSerializer(
{
"id": result.reservation.id,
"status": result.reservation.status,
"performance_id": result.reservation.performance_id,
"party_size": result.reservation.party_size,
"message": "Reservation created. Please check your email to confirm it.",
}
)
return Response(response_serializer.data, status=status.HTTP_201_CREATED)
@api_view(["GET", "POST"])
@throttle_classes([ReservationConfirmThrottle])
def confirm_reservation(request):
payload = request.query_params if request.method == "GET" else request.data
serializer = ReservationConfirmSerializer(data=payload)
serializer.is_valid(raise_exception=True)
try:
result = confirm_reservation_from_token(serializer.validated_data["token"])
except InvalidToken as exc:
return Response(
{"status": "invalid_token", "detail": str(exc)},
status=status.HTTP_404_NOT_FOUND,
)
except ExpiredToken as exc:
return Response(
{"status": "token_expired", "detail": str(exc)},
status=status.HTTP_410_GONE,
)
except NotEnoughSeats as exc:
return Response(
{"status": "not_enough_seats", "detail": str(exc)},
status=status.HTTP_409_CONFLICT,
)
except AlreadyConfirmedReservation as exc:
return Response(
{"status": "already_confirmed", "detail": str(exc)},
status=status.HTTP_409_CONFLICT,
)
response_serializer = ReservationConfirmResponseSerializer(result)
return Response(response_serializer.data)
@api_view(["GET"])
def retrieve_reservation_qr(request):
serializer = ReservationConfirmSerializer(data=request.query_params)
serializer.is_valid(raise_exception=True)
try:
result = retrieve_reservation_qr_from_token(serializer.validated_data["token"])
except InvalidToken as exc:
return Response(
{"status": "invalid_token", "detail": str(exc)},
status=status.HTTP_404_NOT_FOUND,
)
except ReservationNotConfirmed as exc:
return Response(
{"status": "reservation_not_confirmed", "detail": str(exc)},
status=status.HTTP_409_CONFLICT,
)
response_serializer = ReservationQRResponseSerializer(result)
return Response(response_serializer.data)