public async Task ExecuteAsync(
UserId enactingUserId,
string stripeChargeId,
PositiveInt totalRefundAmount,
RefundCreditReason reason,
UserType userType)
{
enactingUserId.AssertNotNull("enactingUserId");
stripeChargeId.AssertNotNull("stripeChargeId");
totalRefundAmount.AssertNotNull("totalRefundAmount");
var apiKey = this.apiKeyRepository.GetApiKey(userType);
var options = new StripeRefundCreateOptions
{
Amount = totalRefundAmount.Value,
Reason = this.GetReason(reason),
Metadata = new Dictionary <string, string>
{
{ EnactingUserIdMetadataKey, enactingUserId.ToString() },
}
};
await this.stripeService.RefundChargeAsync(stripeChargeId, options, apiKey);
}
internal string GetReason(RefundCreditReason reason)
{
switch (reason)
{
case RefundCreditReason.Duplicate:
return(DuplicateString);
case RefundCreditReason.Fraudulent:
return(FraudulentString);
case RefundCreditReason.RequestedByCustomer:
return(RequestedByCustomerString);
}
throw new InvalidOperationException("Unknown reason: " + reason);
}
public async Task <UserId> ExecuteAsync(
UserId enactingUserId,
TransactionReference transactionReference,
DateTime timestamp,
PositiveInt refundCreditAmount,
RefundCreditReason reason,
string comment)
{
enactingUserId.AssertNotNull("enactingUserId");
transactionReference.AssertNotNull("transactionReference");
refundCreditAmount.AssertNotNull("refundCreditAmount");
var transaction = await this.retryOnTransientFailure.HandleAsync(
() => this.getCreditTransaction.ExecuteAsync(transactionReference));
if (transaction == null)
{
throw new BadRequestException(
"Transaction reference " + transactionReference + " was not a valid transaction, or the user is not a standard user.");
}
if (refundCreditAmount.Value > transaction.CreditAmountAvailableForRefund)
{
throw new BadRequestException(
"Requested refund amount was greater than amount available for refund.");
}
var userId = transaction.UserId;
// Refund on taxamo, get tax refund amount.
var taxamoResult = await this.retryOnTransientFailure.HandleAsync(
() => this.createTaxamoRefund.ExecuteAsync(transaction.TaxamoTransactionKey, refundCreditAmount, UserType.StandardUser));
try
{
// Call CreateCreditRefundDbStatement
await this.retryOnTransientFailure.HandleAsync(
() => this.persistCreditRefund.ExecuteAsync(
enactingUserId,
userId,
timestamp,
taxamoResult.TotalRefundAmount,
refundCreditAmount,
transactionReference,
transaction.StripeChargeId,
transaction.TaxamoTransactionKey,
comment));
// refund on stripe.
await this.retryOnTransientFailure.HandleAsync(
() => this.createStripeRefund.ExecuteAsync(enactingUserId, transaction.StripeChargeId, taxamoResult.TotalRefundAmount, reason, UserType.StandardUser));
}
catch (Exception t)
{
var json = JsonConvert.SerializeObject(
new
{
TransactionReference = transactionReference,
Transaction = transaction,
TaxamoResult = taxamoResult,
});
throw new FailedToRefundCreditException(json, t);
}
return(userId);
}