public async Task <Result <Response, Error> > Handle(Command request, CancellationToken cancellationToken)
{
var now = _clock.GetCurrentInstant();
if (request.StartDateTime < now.InMainTimezone().LocalDateTime)
{
return(Result.Failure <Response, Error>(new Error.DomainError(ErrorMessages.CannotScheduleTrainingInThePast)));
}
var campaign = await _campaignRepo.GetById(request.CampaignID);
if (campaign == null)
{
return(Result.Failure <Response, Error>(new Error.ResourceNotFound($"Campaign with ID={request.CampaignID} not found")));
}
if (campaign.StartDateTime.ToInstant() < now)
{
return(Result.Failure <Response, Error>(new Error.DomainError(ErrorMessages.CannotScheduleTrainingAfterCampaignStart)));
}
var maybeEdition = await _editionProvider.GetEdition(campaign.EditionId);
if (maybeEdition.HasNoValue)
{
throw new ApplicationException($"DB contains invalid data, edition with ID={campaign.EditionId} not found!");
}
if (request.EndDateTime.InMainTimezone().ToInstant() > maybeEdition.Value.EndDateTime)
{
return(Result.Failure <Response, Error>(new Error.DomainError(ErrorMessages.CannotScheduleTrainingAfterEditionEnd)));
}
var user = await _userAccessor.GetUser();
var scheduledTraining = new Training(
request.Address,
request.City,
request.StartDateTime.InMainTimezone().ToOffsetDateTime(),
request.EndDateTime.InMainTimezone().ToOffsetDateTime(),
user.Id);
var result = campaign.ScheduleTraining(scheduledTraining);
if (result.IsFailure)
{
return(Result.Failure <Response, Error>(new Error.DomainError(result.Error)));
}
if (request.Notes != null)
{
var addNoteResult = scheduledTraining.AddNote(user.Id, request.Notes, _clock.GetCurrentInstant());
if (addNoteResult.IsFailure)
{
return(Result.Failure <Response, Error>(new Error.DomainError(addNoteResult.Error)));
}
}
var id = await _trainingRepo.Insert(scheduledTraining);
return(Result.Success <Response, Error>(new Response()
{
ID = id
}));
}
