/// <inheritdoc cref="IActionScheduler.Schedule"/>
public ScheduledAction?Schedule(DateTimeOffset time, Func <Task> action)
{
if ((time - DateTimeOffset.Now).TotalSeconds <= 0)
{
return(null);
}
var task = new ScheduledAction
{
Time = time,
Action = action,
CancellationTokenSource = new CancellationTokenSource()
};
task.Delay = CreateExtendedDelay(time.ToUnixTimeMilliseconds() - DateTimeOffset.Now.ToUnixTimeMilliseconds()).ContinueWith(task => action(), task.CancellationTokenSource.Token).ContinueWith(t =>
{
_actions.Remove(task);
}, task.CancellationTokenSource.Token);
_actions.Add(task);
return(task);
}
/// <inheritdoc cref="IActionScheduler.Unschedule"/>
public bool Unschedule(ScheduledAction action)
{
action.CancellationTokenSource.Cancel();
return(_actions.Remove(action));
}