public Validation <Error, Document> Reject(RejectReason reason)
{
if (Status != DocumentStatus.WaitingForApproval)
{
return(new InvalidStatusError(DocumentStatus.WaitingForApproval, Status));
}
return(new RejectedDocument(Id, UserId, Number, Description, Files, reason));
}
public RejectedDocument(DocumentId id, UserId userId, DocumentNumber number,
Option <DocumentDescription> description, IEnumerable <File> files, RejectReason reason) : base(id, userId,
number, description, DocumentStatus.Rejected, files)
{
Reason = reason;
}