public Note CreateNew()
{
if (string.IsNullOrWhiteSpace(NewNoteText))
{
return(null);
}
_changedNote = Note.Create(NewNoteText);
NoteStorage.SaveOrUpdate(_changedNote);
NewNoteText = string.Empty;
return(_changedNote);
}
public void Update()
{
var newText = NoteText?.Trim();
Check.DoCheckOperationValid(!string.IsNullOrEmpty(newText), () => "Note text must not be empty.");
if (Note == null)
{
Note = ReadFromStorage();
}
if (Note.Text != newText)
{
Note.Text = newText;
Note.LastUpdateTime = DateTime.Now;
NoteStorage.SaveOrUpdate(Note);
}
}