public TaxScheduleActionResult <TaxScheduleInsertionResult> InsertTaxScheduleDetails(MunicipalityTaxDetails tax)
{
logger.Trace("{0} request received with parameters: {1}: {2}", nameof(InsertTaxScheduleDetails), nameof(tax), tax?.DebuggerDisplay);
if (tax == null)
{
throw new ArgumentNullException(nameof(tax)); // argument exceptions are not internal errors, but errors with the caller, so we can throw these
}
if (tax.MunicipalitySchedule == null)
{
throw new ArgumentNullException(nameof(tax.MunicipalitySchedule));
}
var insertResult = TaxScheduleInsertionResult.InsertionNotAttempted;
var checkValidity = TaxScheduleValidationResult.Unknown;
try
{
checkValidity = TaxValidator.ValidateTaxDetails(tax);
logger.Trace("{0} validity status is: {1}", nameof(tax), checkValidity);
if (checkValidity == TaxScheduleValidationResult.Valid)
{
try
{
// NOTE: if multithreaded, there could be a race condition between the existence check and insertion
if (TaxStorage.TaxScheduleExists(tax.MunicipalitySchedule))
{
insertResult = TaxScheduleInsertionResult.TaxScheduleAlreadyExists;
}
else
{
TaxStorage.InsertTaxSchedule(tax);
insertResult = TaxScheduleInsertionResult.Success;
}
}
catch (Exception)
{
insertResult = TaxScheduleInsertionResult.UnknownFailure;
throw; // this will be re-caught further down
}
}
}
catch (Exception ex)
{
logger.Error(ex, "Exception occurred in {0} method", nameof(InsertTaxScheduleDetails));
#if DEBUG
if (Debugger.IsAttached)
{
Debugger.Break();
}
#endif
}
var response = new TaxScheduleActionResult <TaxScheduleInsertionResult>(checkValidity, insertResult);
logger.Trace("Returning {0} response: {1}", nameof(InsertTaxScheduleDetails), response.ToString());
return(response);
}
public TaxScheduleActionResult <TaxScheduleUpdateResult> UpdateTaxScheduleDetails(MunicipalityTaxDetails tax)
{
logger.Trace("{0} request received with parameters: {1}: {2}", nameof(UpdateTaxScheduleDetails), nameof(tax), tax?.DebuggerDisplay);
if (tax == null)
{
throw new ArgumentNullException(nameof(tax));
}
if (tax.MunicipalitySchedule == null)
{
throw new ArgumentNullException(nameof(tax.MunicipalitySchedule));
}
var updateResult = TaxScheduleUpdateResult.UpdateNotAttempted;
var checkValidity = TaxScheduleValidationResult.Unknown;
try
{
checkValidity = TaxValidator.ValidateTaxDetails(tax);
logger.Trace("{0} validity status is: {1}", nameof(tax), checkValidity);
if (checkValidity == TaxScheduleValidationResult.Valid)
{
try
{
// NOTE: if multithreaded, there could be a race condition between the existence check and updating, maybe some other thread will delete it meanwhile
// - we could use locks or (depending on the provider) a specific transaction type to prevent this
if (!TaxStorage.TaxScheduleExists(tax.MunicipalitySchedule))
{
updateResult = TaxScheduleUpdateResult.ExistingTaxScheduleNotFound;
}
else
{
TaxStorage.UpdateTaxSchedule(tax);
updateResult = TaxScheduleUpdateResult.Success;
}
}
catch (Exception)
{
updateResult = TaxScheduleUpdateResult.UnknownFailure;
throw; // this will be re-caught further down
}
}
}
catch (Exception ex)
{
logger.Error(ex, "Exception occurred in {0} method", nameof(UpdateTaxScheduleDetails));
#if DEBUG
if (Debugger.IsAttached)
{
Debugger.Break();
}
#endif
}
var response = new TaxScheduleActionResult <TaxScheduleUpdateResult>(checkValidity, updateResult);
logger.Trace("Returning {0} response: {1}", nameof(UpdateTaxScheduleDetails), response.ToString());
return(response);
}