Files
social-media/backend/Modules/Memberships/Handlers/StripeWebhookEndpoint.cs

120 lines
5.0 KiB
C#

using System.Diagnostics;
using Hutopy.Infrastructure.Payments.Stripe.Configuration;
using Hutopy.Modules.Memberships.Contracts;
using Hutopy.Modules.Tipping.Contracts;
using Microsoft.Extensions.Options;
using Stripe;
using Stripe.Checkout;
namespace Hutopy.Modules.Memberships.Handlers;
internal class StripeWebhookEndpoint(
ITipPaymentNotifier tipPaymentNotifier,
IMembershipNotifier membershipNotifier,
IOptions<StripeOptions> stripeOptions)
: EndpointWithoutRequest
{
public override void Configure()
{
Post("/api/stripe");
AllowAnonymous();
Options(o => o.WithTags("Webhooks"));
}
public override async Task HandleAsync(CancellationToken ct)
{
var signatureHeader = HttpContext.Request.Headers["Stripe-Signature"];
using StreamReader streamReader = new(HttpContext.Request.Body);
var json = await streamReader.ReadToEndAsync(ct).ConfigureAwait(false);
var stripeEvent = EventUtility.ConstructEvent(json, signatureHeader, stripeOptions.Value.WebhookSecret);
var stripeSession = stripeEvent.Data.Object as Session;
var stripeSubscription = stripeEvent.Data.Object as Subscription;
switch (stripeEvent.Type)
{
case "checkout.session.completed":
Debug.Assert(stripeSession != null);
switch (stripeSession.Mode)
{
// Check if this is a one-time tip
case "payment" when stripeSession is { PaymentIntentId: not null, PaymentStatus: "paid" }:
// Get the customer email from the appropriate place
var customerEmail = stripeSession.CustomerDetails?.Email ??
stripeSession.Customer?.Email ??
"";
StripeConfiguration.ApiKey = stripeOptions.Value.SecretKey;
var paymentIntentService = new PaymentIntentService();
var paymentIntent = await paymentIntentService
.GetAsync(
stripeSession.PaymentIntentId,
new PaymentIntentGetOptions { Expand = ["latest_charge"] },
cancellationToken: ct)
.ConfigureAwait(false);
var receiptUrl = paymentIntent.LatestCharge.ReceiptUrl;
var receiptUri = new Uri(receiptUrl);
// Get the receipt URL, preferring the one directly on the charge if available
await tipPaymentNotifier
.NotifyPaymentSucceedAsync(
stripeSession.Id,
receiptUri,
customerEmail,
ct)
.ConfigureAwait(false);
break;
// Check if this is a subscription
case "subscription" when stripeSession.SubscriptionId != null:
await membershipNotifier
.NotifyPaymentSucceedAsync(
stripeSession.SubscriptionId,
stripeSession.Invoice.HostedInvoiceUrl,
stripeSession.Invoice.Total,
stripeSession.Invoice.Currency,
ct)
.ConfigureAwait(false);
break;
}
break;
case "invoice.payment_succeeded":
var invoice = stripeEvent.Data.Object as Invoice;
Debug.Assert(invoice != null);
Debug.Assert(invoice.Subscription != null);
await membershipNotifier
.NotifyPaymentSucceedAsync(
invoice.SubscriptionId,
invoice.HostedInvoiceUrl,
invoice.Total,
invoice.Currency,
ct)
.ConfigureAwait(false);
break;
case "customer.subscription.updated":
Debug.Assert(stripeSubscription != null);
await membershipNotifier
.NotifySubscriptionUpdatedAsync(
stripeSubscription.Id,
stripeSubscription.CancelAt ?? stripeSubscription.CanceledAt,
ct)
.ConfigureAwait(false);
break;
case "customer.subscription.deleted":
Debug.Assert(stripeSubscription != null);
await membershipNotifier
.NotifySubscriptionDeletedAsync(
stripeSubscription.Id,
ct)
.ConfigureAwait(false);
break;
}
await SendOkAsync(ct).ConfigureAwait(false);
}
}