public async Task IapCheckAsync(User user, PaymentMethodType paymentMethodType)
{
if (paymentMethodType != PaymentMethodType.AppleInApp)
{
throw new BadRequestException("Payment method not supported for in-app purchases.");
}
if (user.Premium)
{
throw new BadRequestException("Already a premium user.");
}
if (!string.IsNullOrWhiteSpace(user.GatewayCustomerId))
{
var customerService = new Stripe.CustomerService();
var customer = await customerService.GetAsync(user.GatewayCustomerId);
if (customer != null && customer.Balance != 0)
{
throw new BadRequestException("Customer balance cannot exist when using in-app purchases.");
}
}
}
public Task <Stripe.Customer> CustomerGetAsync(string id, Stripe.CustomerGetOptions options = null)
{
return(_customerService.GetAsync(id, options));
}