Files
2024-10-30 12:33:53 +05:30

321 lines
12 KiB
Python

from datetime import timedelta
import datetime
import json
from django.db import transaction
from django.shortcuts import get_object_or_404
from django.utils import timezone
from rest_framework import status
from rest_framework.views import APIView
from django.conf import settings
import stripe
from goodtimes import constants
from manage_subscriptions.models import (
Subscription,
PrincipalSubscription,
SubscriptionStatus,
WebhookEvent,
)
from goodtimes.utils import ApiResponse
from accounts.resource_action import (
PRINCIPAL_TYPE_EVENT_USER,
PRINCIPAL_TYPE_EVENT_MANAGER,
PRINCIPAL_TYPE_FREE_USER,
)
from rest_framework.permissions import IsAuthenticated, AllowAny
from rest_framework_simplejwt.authentication import JWTAuthentication
from manage_wallets.models import (
PaymentMethod,
Transaction,
TransactionStatus,
TransactionType,
)
from .serializers import PrincipalSubscriptionSerializer
from django.views.decorators.csrf import csrf_exempt
from django.utils.decorators import method_decorator
from rest_framework.response import Response
from goodtimes.webhook.payment_processing_service import PaymentProcessingService
import logging
logger = logging.getLogger(__name__)
class CreatePrincipalSubscriptionApi(APIView):
authentication_classes = [JWTAuthentication]
permission_classes = [IsAuthenticated]
stripe.api_key = settings.STRIPE_SECRET_KEY
def post(self, request):
serializer = PrincipalSubscriptionSerializer(data=request.data)
if serializer.is_valid():
subscription_id = serializer.validated_data.get("subscription")
try:
subscription = Subscription.objects.get(id=subscription_id)
except Subscription.DoesNotExist:
return ApiResponse.error(
status=status.HTTP_404_NOT_FOUND, message="Subscription not found."
)
order_id = (
"order_"
+ str(timezone.localtime().timestamp())
+ str(request.user.email)
)
print("order_id: ", order_id)
# Create a Transaction object with status INITIATE
transaction = Transaction.objects.create(
principal=request.user,
principal_subscription=None, # Since the subscription is not created yet
transaction_type=TransactionType.DEPOSIT, # or PAYMENT, as applicable
payment_method=PaymentMethod.CARD, # Assuming CARD for this example
transaction_status=TransactionStatus.INITIATE,
amount=subscription.amount,
order_id=order_id,
comment="Principal Subscription Initiated",
)
try:
customer = stripe.Customer.create(
email=request.user.email,
shipping={
"name": request.user.first_name,
"address": {
"line1": "Test Address",
"city": "Test City",
"postal_code": "SW1A 2AA",
"country": "GB", # Adjust accordingly
},
},
)
payment_intent = stripe.PaymentIntent.create(
amount=int(subscription.amount * 100),
currency="GBP",
description="Principal Subscription",
metadata={
"principal": request.user.id,
"order_id": order_id,
"subscription": str(subscription.id),
"transaction_id": str(transaction.id),
},
customer=customer.id,
)
return Response(
{
"client_secret": payment_intent.client_secret,
"message": "Payment intent created successfully",
}
)
except stripe.error.StripeError as e:
# Handle Stripe-related errors
return Response({"error": str(e)}, status=400)
else:
fail_response = {
"status": status.HTTP_400_BAD_REQUEST,
"message": "Validation Failed",
"errors": serializer.errors,
}
return ApiResponse.error(**fail_response)
@method_decorator(csrf_exempt, name="dispatch")
class StripeWebhookTest(APIView):
authentication_classes = []
permission_classes = [AllowAny]
@transaction.atomic
def post(self, request):
stripe.api_key = settings.STRIPE_SECRET_KEY
payload = request.body
sig_header = request.META["HTTP_STRIPE_SIGNATURE"]
# This is your Stripe CLI webhook secret for testing your endpoint locally.
endpoint_secret = settings.ENDPOINT_SECRET
event = None
webhook_event = None
try:
# Construct Stripe event
event = stripe.Event.construct_from(json.loads(payload), stripe.api_key)
event_id = event["id"]
event_type = event["type"]
stripe_subscription_id = event["data"]["object"].get("subscription")
# Retrieve subscription details if available
stripe_subscription = (
stripe.Subscription.retrieve(stripe_subscription_id)
if stripe_subscription_id
else None
)
current_period_start = stripe_subscription["current_period_start"] if stripe_subscription else None
current_period_end = stripe_subscription["current_period_end"] if stripe_subscription else None
# Log received event details
logger.info(f"Received event {event_type} with ID {event_id}")
# Get or create WebhookEvent in DB
webhook_event, created = WebhookEvent.objects.get_or_create(
event_id=event_id,
defaults={
"event_type": event_type,
"event_payload": event,
},
)
if not created and webhook_event.status == "processed":
logger.info(f"Event {event_id} already processed.")
return ApiResponse.success(
status=status.HTTP_208_ALREADY_REPORTED,
message="Event already processed.",
)
# Process the event
payment_service = PaymentProcessingService(
webhook_data=event,
stripe_subscription=stripe_subscription_id,
current_period_start=current_period_start,
current_period_end=current_period_end,
)
payment_service.process_event()
# Mark event as successfully processed
webhook_event.status = "processed"
webhook_event.processed_at = timezone.now()
webhook_event.save()
logger.info(f"Event {event_id} processed successfully.")
return ApiResponse.success(
status=status.HTTP_200_OK, message="Event processed successfully."
)
except stripe.error.SignatureVerificationError as e:
logger.error(f"Invalid Stripe signature for event: {str(e)}")
return ApiResponse.error(
status=status.HTTP_400_BAD_REQUEST,
message="Invalid signature.",
errors=str(e),
)
except ValueError as e:
logger.error(f"Invalid payload for event: {str(e)}")
return ApiResponse.error(
status=status.HTTP_400_BAD_REQUEST,
message="Invalid payload.",
errors=str(e),
)
except stripe.error.InvalidRequestError as e:
logger.error(f"Invalid request for event: {str(e)}")
return ApiResponse.error(
status=status.HTTP_400_BAD_REQUEST,
message="Invalid request to Stripe.",
errors=str(e),
)
except stripe.error.StripeError as e:
logger.error(f"General Stripe error: {str(e)}")
return ApiResponse.error(
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
message="Stripe error occurred.",
errors=str(e),
)
except Exception as e:
logger.error(f"Unexpected error processing event {event_id}: {str(e)}")
if "webhook_event" in locals():
webhook_event.status = "failed"
webhook_event.error_message = str(e)
webhook_event.save()
return ApiResponse.error(
status=status.HTTP_500_INTERNAL_SERVER_ERROR,
message="Unexpected error processing event.",
errors=str(e),
)
finally:
print(f"finally is runn")
webhook_event.status = "processed"
webhook_event.processed_at = timezone.now()
webhook_event.save()
class LastActiveSubscriptionView(APIView):
authentication_classes = [JWTAuthentication]
permission_classes = [IsAuthenticated]
def get(self, request, *args, **kwargs):
today = timezone.now().date()
try:
last_active_subscription = PrincipalSubscription.objects.filter(
principal=request.user,
is_paid=True,
cancelled=False,
deleted=False,
active=True,
status=SubscriptionStatus.ACTIVE,
end_date__gte=today,
).latest("end_date")
serializer = PrincipalSubscriptionSerializer(last_active_subscription)
return ApiResponse.success(
status=status.HTTP_200_OK,
message=constants.SUCCESS,
data=serializer.data,
)
except PrincipalSubscription.DoesNotExist:
return ApiResponse.error(
status=status.HTTP_404_NOT_FOUND,
message="No Active Subscription Found",
errors="No Active Subscription Found",
)
class CancelSubscription(APIView):
authentication_classes = [JWTAuthentication]
permission_classes = [IsAuthenticated]
def post(self, request):
data = json.loads(request.body)
subscription_id = data.get("subscription_id")
try:
subscription = PrincipalSubscription.objects.get(
id=subscription_id, principal=request.user
)
except PrincipalSubscription.DoesNotExist:
return ApiResponse(
message=constants.FAILURE,
errors="Subscription not found.",
status=status.HTTP_404_NOT_FOUND,
)
with transaction.atomic():
if subscription.stripe_subscription_id:
# Cancel Stripe subscription
try:
stripe.Subscription.modify(subscription.stripe_subscription_id, cancel_at_period_end=True)
except stripe.error.InvalidRequestError as e:
return ApiResponse(
message=constants.FAILURE,
errors=f"Stripe error: {str(e)}",
status=status.HTTP_400_BAD_REQUEST,
)
# Updating subscription status in the local database
subscription.status = SubscriptionStatus.INACTIVE
# subscription.cancelled = True
subscription.cancelled_date_time = timezone.now()
subscription.save()
return ApiResponse(
message=constants.SUCCESS,
data="Subscription cancelled successfully.",
status=status.HTTP_200_OK,
)