private void EnsureHasEndDate <TEvent>(Apprenticeship apprenticeship) where TEvent : class
{
if (apprenticeship.EndDate == null)
{
throw new InvalidOperationException(
$"Cannot publish {typeof(TEvent)} event for apprenticeship {apprenticeship.Id} because it does not have a end date");
}
}
public Task PublishApprenticeshipResumed(Commitment commitment, Apprenticeship apprenticeship)
{
return(PublishWithLog <ApprenticeshipResumedEvent>(apprenticeship, ev =>
{
ev.ApprenticeshipId = apprenticeship.Id;
ev.ResumedOn = _currentDateTime.Now;
}, GetLogMessage(commitment, apprenticeship)));
}
private void EnsureHasApprenticeship <TEvent>(Apprenticeship apprenticeship) where TEvent : class
{
if (apprenticeship == null)
{
throw new InvalidOperationException(
$"Cannot publish {typeof(TEvent)} event for apprenticeship because the apprenticeship is null");
}
}
public Task PublishApprenticeshipPaused(Commitment commitment, Apprenticeship apprenticeship)
{
return(PublishWithLog <ApprenticeshipPausedEvent>(ApprenticePreChecks.HasPauseDate, apprenticeship, ev =>
{
ev.ApprenticeshipId = apprenticeship.Id;
ev.PausedOn = apprenticeship.PauseDate.Value;
}, GetLogMessage(commitment, apprenticeship)));
}
public Task PublishApprenticeshipStopped(Commitment commitment, Apprenticeship apprenticeship)
{
return(PublishWithLog <ApprenticeshipStoppedEvent>(ApprenticePreChecks.HasStopDate, apprenticeship, ev =>
{
ev.AppliedOn = _currentDateTime.Now;
ev.ApprenticeshipId = apprenticeship.Id;
ev.StopDate = apprenticeship.StopDate.Value;
}, GetLogMessage(commitment, apprenticeship)));
}
public Task PublishApprenticeshipUlnUpdatedEvent(Apprenticeship apprenticeship)
{
if (apprenticeship != null)
{
var @event = new ApprenticeshipUlnUpdatedEvent(apprenticeship.Id, apprenticeship.ULN, _currentDateTime.Now);
return(PublishWithLog(@event, $"ApprenticeshipId:{apprenticeship.Id}, updated"));
}
return(Task.CompletedTask);
}
private PriceEpisode[] GetPriceEpisodes(Apprenticeship apprenticeship)
{
return(apprenticeship
.PriceHistory
.Select(x => new PriceEpisode
{
FromDate = x.FromDate,
ToDate = x.ToDate,
Cost = x.Cost
}).ToArray());
}
public Task PublishApprenticeshipDeleted(Commitment commitment, Apprenticeship apprenticeship)
{
return(PublishWithLog <DraftApprenticeshipDeletedEvent>(ApprenticePreChecks.NotRequired, apprenticeship, ev =>
{
ev.DraftApprenticeshipId = apprenticeship.Id;
ev.CohortId = commitment.Id;
ev.DeletedOn = DateTime.UtcNow;
ev.ReservationId = apprenticeship.ReservationId;
ev.Uln = apprenticeship.ULN;
}, GetLogMessage(commitment, apprenticeship)));
}
public Task PublishApprenticeshipUpdatedApproved(Commitment commitment, Apprenticeship apprenticeship)
{
return(PublishWithLog <ApprenticeshipUpdatedApprovedEvent>(ApprenticePreChecks.HasStartAndEndDate, apprenticeship, ev =>
{
ev.ApprenticeshipId = apprenticeship.Id;
ev.ApprovedOn = _currentDateTime.Now;
ev.StartDate = apprenticeship.StartDate.Value;
ev.EndDate = apprenticeship.EndDate.Value;
ev.PriceEpisodes = GetPriceEpisodes(apprenticeship);
ev.TrainingType = (CommitmentsV2.Types.ProgrammeType)apprenticeship.TrainingType;
ev.TrainingCode = apprenticeship.TrainingCode;
ev.Uln = apprenticeship.ULN;
}, GetLogMessage(commitment, apprenticeship)));
}
/// <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, $"{logMessage} failed");
throw;
}
}
private void DoPreChecks <TEvent>(ApprenticePreChecks checks, Apprenticeship apprenticeship) where TEvent : class
{
void DoCheckIf(ApprenticePreChecks qualifyingFlag, Action check)
{
if ((checks & qualifyingFlag) == qualifyingFlag)
{
check();
}
}
if (checks == ApprenticePreChecks.NotRequired)
{
return;
}
EnsureHasApprenticeship <TEvent>(apprenticeship);
DoCheckIf(ApprenticePreChecks.HasStartDate, () => EnsureHasStartDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasEndDate, () => EnsureHasEndDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasStopDate, () => EnsureHasStopDate <TEvent>(apprenticeship));
DoCheckIf(ApprenticePreChecks.HasPauseDate, () => EnsureHasPauseDate <TEvent>(apprenticeship));
}
private string GetLogMessage(Commitment commitment, Apprenticeship apprenticeship)
{
return($"Provider:{commitment.ProviderId} Commitment:{commitment.Id} Apprenticeship:{apprenticeship.Id}");
}
private Task PublishWithLog <TEvent>(Apprenticeship apprentice, Action <TEvent> messageConstructor, string message) where TEvent : class
{
return(PublishWithLog(ApprenticePreChecks.NotRequired, apprentice, messageConstructor, message));
}
public static bool IsWaitingToStart(this Apprenticeship apprenticeship, ICurrentDateTime currentDateTime)
{
return(apprenticeship.StartDate.Value > new DateTime(currentDateTime.Now.Year, currentDateTime.Now.Month, 1));
}
