/// <summary>
/// publish the specified message and log whether the publish was successful or not.
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="checks">Specified properties will be checked for null value before calling the message constructor</param>
/// <param name="messageConstructor">Sets values on an instance of the message</param>
/// <param name="apprenticeship"></param>
/// <param name="message">A log message that will be recorded with the success or failure message</param>
/// <returns></returns>
private async Task PublishWithLog <TEvent>(ApprenticePreChecks checks, Apprenticeship apprenticeship, Action <TEvent> messageConstructor, string message) where TEvent : class
{
var logMessage = $"Publish {typeof(TEvent).Name} message. {message}";
try
{
DoPreChecks <TEvent>(checks, apprenticeship);
await _endpointInstance.Publish <TEvent>(messageConstructor);
_logger.Info($"{logMessage} successful");
}
catch (Exception e)
{
_logger.Error(e, $"{logMessage} failed");
throw;
}
}
private void DoPreChecks <TEvent>(ApprenticePreChecks checks, Apprenticeship apprenticeship) where TEvent : class
{
void DoCheckIf(ApprenticePreChecks qualifyingFlag, Action check)
{
if ((checks & qualifyingFlag) == qualifyingFlag)
{
check();
}
}
if (checks == ApprenticePreChecks.NotRequired)
{
return;
}
EnsureHasApprenticeship <TEvent>(apprenticeship);
DoCheckIf(ApprenticePreChecks.HasStartDate, () => EnsureHasStartDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasEndDate, () => EnsureHasEndDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasStopDate, () => EnsureHasStopDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasPauseDate, () => EnsureHasPauseDate <TEvent>(apprenticeship));
}
