public void Dispose()
{
TextInput?.Dispose();
FirstCharacter?.Dispose();
StringLength?.Dispose();
StringLengthLabel?.Dispose();
FirstCharacterLabel?.Dispose();
TimeOnPage?.Dispose();
TimeOnPageLabel?.Dispose();
}
public ReactiveSampleViewModel()
{
TextInput = new ReactiveProperty <string>("");
FirstCharacter = TextInput.Select(x => x.ToCharArray()).Select(x => x.Any() ? (char?)x.First() : null).ToReadOnlyReactiveProperty();
FirstCharacterLabel = FirstCharacter.Select(x => x != null ? $"The first character is {x.ToString()}" : "There is no first character!").ToReadOnlyReactiveProperty();
StringLength = TextInput.Select(x => x.Length).ToReadOnlyReactiveProperty();
StringLengthLabel = StringLength.Select(x => $"The string is {x} character{(x != 1 ? "s" : "")} long.").ToReadOnlyReactiveProperty();
var timePageLoaded = DateTime.Now;
TimeOnPage = Observable.Interval(TimeSpan.FromSeconds(1)).Select(x => DateTime.Now.Subtract(timePageLoaded)).ToReadOnlyReactiveProperty();
TimeOnPageLabel = TimeOnPage.Select(x => (int)x.TotalSeconds).Select(x => $"You've been on this page for {x} second{(x != 1 ? "s" : "")}.").ToReadOnlyReactiveProperty();
}
public void Add(TimeOnPage timeOnPage)
{
_context.TimesOnPages.Add(timeOnPage);
_context.SaveChanges();
}
