public static ReactiveCommandWithHistory <TParam, TResult> CreateWithHistoryFromObservable <TParam, TResult>(
string commandKey,
Func <TParam, TResult, IObservable <TResult> > execute,
Func <TParam, TResult, IObservable <TResult> > discard,
IHistory history,
IObservable <bool>?canExecute = null,
IScheduler?outputScheduler = null)
{
if (history == null)
{
throw new ArgumentNullException(nameof(history));
}
if (discard == null)
{
throw new ArgumentNullException(nameof(discard));
}
if (execute == null)
{
throw new ArgumentNullException(nameof(execute));
}
return(CreateWithHistoryFromObservable(
commandKey, execute, discard,
HistoryContext.GetContext(history, outputScheduler),
canExecute, outputScheduler));
}
public static ReactiveCommandWithHistory <TParam, TResult> CreateWithHistory <TParam, TResult>(
string commandKey,
Func <TParam, TResult, TResult> execute,
Func <TParam, TResult, TResult> discard,
IObservable <bool>?canExecute = null,
IScheduler?outputScheduler = null,
string historyId = "")
{
return(new ReactiveCommandWithHistory <TParam, TResult>(commandKey,
(param, result) => Observable.Create <TResult>(
observer =>
{
observer.OnNext(execute(param, result));
observer.OnCompleted();
return new CompositeDisposable();
}),
(param, result) => Observable.Create <TResult>(
observer =>
{
observer.OnNext(discard(param, result));
observer.OnCompleted();
return new CompositeDisposable();
}),
HistoryContext.GetContext(historyId, outputScheduler),
canExecute ?? Observables.True,
outputScheduler ?? RxApp.MainThreadScheduler));
}
