private async Task ChangePricePlan(string userId, string newPricePlanId, string rootFolder, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(userId) || string.IsNullOrWhiteSpace(newPricePlanId))
{
throw new Exception($"Unable to change the membership as either UserId: '{userId}' is missing or NewPricePlan '{newPricePlanId}' is missing");
}
var user = await _userRepository.GetUserById(userId, cancellationToken);
if (user == null)
{
throw new Exception($"User does with '{userId}' identifier does not exists.");
}
var newPricePlan = await _pricePlanRepository.GetPricePlanById(newPricePlanId, cancellationToken);
if (newPricePlan == null)
{
throw new Exception($"Unable to find the price plan with '{newPricePlanId}' identifier.");
}
if (!newPricePlan.Price.Equals(0))
{
var paymentIntent = await _paymentService.CollectPayment(user.PaymentCustomerId, newPricePlan.Price, cancellationToken);
user.PaymentIntentId = paymentIntent.Id;
_logger.Information($"Collected payment of '{paymentIntent.Amount}' in minimum unit for user '{user.Id}'.");
var nextInvoiceNumberDao = await _invoiceNumberRepository.GetNextInvoiceNumber(cancellationToken);
var invoiceNumber = _invoiceHelper.CalculateInvoiceNumber(nextInvoiceNumberDao.Number);
try
{
await _invoiceHelper.SendInvoiceAsEmailAttachment(user, paymentIntent, newPricePlan.Title, user.MembershipRenewDate, paymentIntent.Amount, invoiceNumber, rootFolder, cancellationToken);
}
catch (Exception ex)
{
_logger.Error($"Unable to send and invoice for an user {user.Id}. Exception: {ex.Message}");
}
var paymentDao = new ProcessedPaymentDao
{
UserId = user.Id,
PaymentServiceId = paymentIntent.Id,
Amount = paymentIntent.Amount,
PricePlanId = newPricePlan.Id,
NoOfStamps = newPricePlan.NoOfStamps,
Created = paymentIntent.Created,
InvoiceNumber = invoiceNumber
};
await _paymentRepository.CreatePaymentReceived(paymentDao, cancellationToken);
}
_logger.Information($"Previous remaining stamp for the user '{user.Id}' is '{user.RemainingTimeStamps}'.");
user.CurrentPricePlanId = newPricePlan.Id;
user.PendingPricePlanId = null;
user.RemainingTimeStamps = newPricePlan.NoOfStamps;
user.MembershipRenewDate = user.MembershipRenewDate.AddMonths(1);
user.MembershipRenewEpoch = user.MembershipRenewDate.Date.ToEpoch();
await _userRepository.UpdateUser(user, cancellationToken);
}
public async Task ProcessPayment(string userId, string paymentIntentId, string pricePlanId, CancellationToken cancellationToken)
{
Guard.Argument(userId, nameof(userId)).NotNull().NotEmpty().NotWhiteSpace();
Guard.Argument(paymentIntentId, nameof(paymentIntentId)).NotNull().NotEmpty().NotWhiteSpace();
Guard.Argument(pricePlanId, nameof(pricePlanId)).NotNull().NotEmpty().NotWhiteSpace();
var user = await _userRepository.GetUserById(userId, cancellationToken);
if (user == null)
{
throw new UserException("Please create the user first.");
}
if (string.IsNullOrWhiteSpace(user.PaymentCustomerId))
{
throw new UserException("PaymentCustomerId is missing. Please create the user first.");
}
var pricePlan = await _pricePlanRepository.GetPricePlanById(pricePlanId, cancellationToken);
if (pricePlan == null)
{
throw new SubscriptionException($"Unable to find the price plan with '{user.CurrentPricePlanId}' identifier.");
}
var paymentIntent = await _paymentService.GetPaymentIntent(paymentIntentId, cancellationToken);
if (pricePlan.Price != paymentIntent.Amount)
{
_logger.Error($"Payment amount is not matching with price plan '{pricePlan.Id}'. Expected '{pricePlan.Price}' and actual '{paymentIntent.Amount}'");
}
_logger.Information($"Collected payment of '{paymentIntent.Amount}' in minimum unit for user '{user.Id}'.");
var nextInvoiceNumberDao = await _invoiceNumberRepository.GetNextInvoiceNumber(cancellationToken);
var invoiceNumber = _invoiceHelper.CalculateInvoiceNumber(nextInvoiceNumberDao.Number);
try
{
await _invoiceHelper.SendInvoiceAsEmailAttachment(user, paymentIntent, pricePlan.Title, _systemDateTime.GetUtcDateTime(), paymentIntent.Amount, invoiceNumber, Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), cancellationToken);
}
catch (Exception ex)
{
_logger.Error($"Unable to send and invoice for an user {user.Id}. Exception: {ex.Message}");
}
var paymentDao = new ProcessedPaymentDao
{
UserId = user.Id,
PaymentServiceId = paymentIntent.Id,
Amount = paymentIntent.Amount,
PricePlanId = pricePlan.Id,
NoOfStamps = pricePlan.NoOfStamps,
Created = paymentIntent.Created,
InvoiceNumber = invoiceNumber
};
await _paymentRepository.CreatePaymentReceived(paymentDao, cancellationToken);
_logger.Information($"Previous remaining stamp for the user '{user.Id}' is '{user.RemainingTimeStamps}'.");
user.CurrentPricePlanId = pricePlan.Id;
user.PendingPricePlanId = null;
user.RemainingTimeStamps = pricePlan.NoOfStamps;
user.PaymentIntentId = paymentIntentId;
user.MembershipRenewDate = _systemDateTime.GetUtcDateTime().AddMonths(1);
user.MembershipRenewEpoch = user.MembershipRenewDate.Date.ToEpoch();
await _userRepository.UpdateUser(user, cancellationToken);
}