public Validation <Error, Document> Update(DocumentNumber number, Option <DocumentDescription> description)
{
if (Status != DocumentStatus.Draft)
{
return(new InvalidStatusError(DocumentStatus.Draft, Status));
}
return(WithNumber(number).WithDescription(description));
}
protected Document(DocumentId id, UserId userId, DocumentNumber number, Option <DocumentDescription> description,
DocumentStatus status, IEnumerable <File> files)
{
Id = id;
UserId = userId;
Number = number;
Description = description;
Status = status;
Files = files;
}
public ApprovedDocument(DocumentId id, UserId userId, DocumentNumber number,
Option <DocumentDescription> description, IEnumerable <File> files, Comment comment) : base(id, userId,
number, description, DocumentStatus.Approved, files)
{
Comment = comment;
}
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;
}
public Document(DocumentId id, UserId userId, DocumentNumber number, Option <DocumentDescription> description) :
this(id, userId, number, description, DocumentStatus.Draft, new List <File>())
{
}
private Document WithNumber(DocumentNumber number) => new Document(Id, UserId, number, Description, Status, Files);
