public void Handle(DeleteAttachmentCommand message)
{
if (!_database.IsOpen)
{
throw new DatabaseClosedException();
}
if (!message.Entry.Attachments.ContainsKey(message.AttachmentName))
{
throw new KeyNotFoundException("AttachmentDoesntExist");
}
_database.DeleteAttachment(message.Entry.Id, message.AttachmentName);
message.Entry.Attachments.Remove(message.AttachmentName);
}
