public void Cancel()
{
if (Status == ESongStatus.Promoted || Status == ESongStatus.Released || Status == ESongStatus.Canceled)
{
StatusChangeException(ESongStatus.Canceled);
}
Status = ESongStatus.Canceled;
AddDomainEvent(new SongCanceledDomainEvent(Id));
}
public void Release()
{
if (Status != ESongStatus.Promoted)
{
StatusChangeException(ESongStatus.Released);
}
Status = ESongStatus.Released;
AddDomainEvent(new SongReleasedDomainEvent(Id));
}
private Song(string name, string description, double duration, string durationFormatted, List <string> tags, Author author)
{
Name = name;
Description = description;
Duration = duration;
DurationFormatted = durationFormatted;
_tags = tags;
_files = new List <File>();
Audit = Audit.Create(DateTimeOffset.Now, author.UserName);
Status = ESongStatus.Pending;
AddSongCreatedDomainEvent(Id, name, durationFormatted, Draft, author.UserName);
}
public void Promote()
{
if (Status != ESongStatus.Pending)
{
StatusChangeException(ESongStatus.Promoted);
}
if (Duration < 3)
{
throw new DomainException("A song cannot be promoted if the duration is less than 4 minutes");
}
Status = ESongStatus.Promoted;
AddDomainEvent(new SongPromotedDomainEvent(Id));
}
private void StatusChangeException(ESongStatus songStatusToChange)
{
throw new SongDomainException($"Is not possible to change the order status from {Status.Name} to {songStatusToChange.Name}.");
}