public async Task <Result <CreateUseCase.Response, Domain.Error> > Handle(CreateUseCase.Command request, CancellationToken cancellationToken)
{
var editions = await _dbContext.Editions.AsNoTracking().ToListAsync();
var dateIntervals = editions.Select(x => ToInterval(x.StartDate, x.EndDate)).ToList();
var requestInterval = ToInterval(request.StartDate, request.EndDate);
if (dateIntervals.Any(x => x.Overlaps(requestInterval)))
{
return(Result.Failure <CreateUseCase.Response, Domain.Error>(new Domain.Error.DomainError("New Edition overlaps old editions")));
}
var edition = new Edition()
{
StartDate = request.StartDate,
EndDate = request.EndDate,
Name = request.Name
};
edition.CumulativeStatistics.CityCount = request.CumulativeStatistics.CityCount;
edition.CumulativeStatistics.LecturerCount = request.CumulativeStatistics.LecturerCount;
edition.CumulativeStatistics.LessonCount = request.CumulativeStatistics.LessonCount;
edition.CumulativeStatistics.SchoolCount = request.CumulativeStatistics.SchoolCount;
edition.CumulativeStatistics.StudentCount = request.CumulativeStatistics.StudentCount;
_dbContext.Set <Edition>().Add(edition);
var rows = await _dbContext.SaveChangesAsync();
return(Result.Success <CreateUseCase.Response, Domain.Error>(new CreateUseCase.Response()
{
Id = edition.ID
}));
}
public async Task <IActionResult> Create(CreateUseCase.Command command)
{
var result = await _engine.Execute(command);
return(result.MatchToActionResult(s => Created(Routes.v1.Editions.DetailsFor(s.Id), null)));
}
