public async Task PreviewUpcomingInvoiceAndPayAsync(ISubscriber subscriber, string planId,
int prorateThreshold = 500)
{
var invoiceService = new StripeInvoiceService();
var upcomingPreview = await invoiceService.UpcomingAsync(subscriber.GatewayCustomerId,
new StripeUpcomingInvoiceOptions
{
SubscriptionId = subscriber.GatewaySubscriptionId
});
var prorationAmount = upcomingPreview.StripeInvoiceLineItems?.Data?
.TakeWhile(i => i.Plan.Id == planId && i.Proration).Sum(i => i.Amount);
if (prorationAmount.GetValueOrDefault() >= prorateThreshold)
{
try
{
// Owes more than prorateThreshold on next invoice.
// Invoice them and pay now instead of waiting until next month.
var invoice = await invoiceService.CreateAsync(subscriber.GatewayCustomerId,
new StripeInvoiceCreateOptions
{
SubscriptionId = subscriber.GatewaySubscriptionId
});
if (invoice.AmountDue > 0)
{
await invoiceService.PayAsync(invoice.Id);
}
}
catch (StripeException) { }
}
}
private async Task PreviewUpcomingAndPayAsync(Organization org, Plan plan)
{
var invoiceService = new StripeInvoiceService();
var upcomingPreview = await invoiceService.UpcomingAsync(org.StripeCustomerId,
new StripeUpcomingInvoiceOptions
{
SubscriptionId = org.StripeSubscriptionId
});
var prorationAmount = upcomingPreview.StripeInvoiceLineItems?.Data?
.TakeWhile(i => i.Plan.Id == plan.StripeSeatPlanId && i.Proration).Sum(i => i.Amount);
if (prorationAmount.GetValueOrDefault() >= 500)
{
try
{
// Owes more than $5.00 on next invoice. Invoice them and pay now instead of waiting until next month.
var invoice = await invoiceService.CreateAsync(org.StripeCustomerId,
new StripeInvoiceCreateOptions
{
SubscriptionId = org.StripeSubscriptionId
});
if (invoice.AmountDue > 0)
{
await invoiceService.PayAsync(invoice.Id);
}
}
catch (StripeException) { }
}
}