/// <summary>
/// Queries for the most current event
/// </summary>
/// <param name="activity"></param>
/// <param name="maxAge">Timespan containing max age of "current"</param>
/// <returns></returns>
public static async Task <MotionActivityEvent> GetCurrentActivity(this IMotionActivityManager activity, TimeSpan?maxAge = null)
{
maxAge = maxAge ?? TimeSpan.FromMinutes(5);
var end = DateTimeOffset.UtcNow;
var start = end.Subtract(maxAge.Value);
var result = (await activity.Query(start, end)).OrderBy(x => x.Timestamp).FirstOrDefault();
return(result);
}
public TestMotionActivityViewModel(IMotionActivityManager manager, IDialogs dialogs)
{
var tm = manager as TestMotionActivityManager;
this.IsGeneratingData = tm?.IsGeneratingTestData ?? false;
this.ActivityType = tm?.GeneratingActivityType ?? MotionActivityType.Automotive;
this.Confidence = tm?.GeneratingConfidence ?? MotionActivityConfidence.High;
this.IntervalSeconds = Convert.ToInt32(tm?.GeneratingInterval?.TotalSeconds ?? 10d);
this.SelectActivityType = dialogs.PickEnumValueCommand <MotionActivityType>(
"Select Activity Type",
x => this.ActivityType = x
);
this.SelectConfidence = dialogs.PickEnumValueCommand <MotionActivityConfidence>(
"Select Confidence",
x => this.Confidence = x
);
this.Toggle = ReactiveCommand.Create(
() =>
{
if (tm.IsGeneratingTestData)
{
tm.StopGeneratingTestData();
this.IsGeneratingData = false;
}
else
{
tm.StartGeneratingTestData(
this.ActivityType,
TimeSpan.FromSeconds(this.IntervalSeconds),
this.Confidence
);
this.IsGeneratingData = true;
}
},
this.WhenAny(
x => x.IntervalSeconds,
(ts) =>
{
if (tm == null)
{
return(false);
}
if (ts.GetValue() <= 0)
{
return(false);
}
return(true);
}
)
);
}
//public static async Task<IList<MotionActivityTimeBlock>> GetTimeBlocksForRange(this IMotionActivity activity,
// DateTimeOffset start,
// DateTimeOffset? end = null,
// MotionActivityConfidence minConfidence = MotionActivityConfidence.Medium)
//{
// var list = new List<MotionActivityTimeBlock>();
// var result = await activity.Query(start, end);
// var set = result
// .Where(x => x.Confidence >= minConfidence)
// .OrderBy(x => x.Timestamp)
// .ToList();
// if (set.Count > 1)
// {
// MotionActivityEvent firstEvent = null;
// foreach (var item in set)
// {
// if (firstEvent == null)
// firstEvent = item;
// else if (!firstEvent.Types.HasFlag(item.Types)) // has to have 1 of the types
// {
// var block = new MotionActivityTimeBlock(item.Types, firstEvent.Timestamp, item.Timestamp);
// list.Add(block);
// // first event of next time block
// firstEvent = item;
// }
// }
// }
// return list;
//}
//public static async Task<IDictionary<MotionActivityType, TimeSpan>> GetTotalsForRange(this IMotionActivity activity,
// DateTimeOffset start,
// DateTimeOffset? end = null,
// MotionActivityConfidence minConfidence = MotionActivityConfidence.Medium)
//{
// var dict = new Dictionary<MotionActivityType, TimeSpan>();
// var result = await activity.Query(start, end);
// var set = result
// .Where(x => x.Confidence >= minConfidence)
// .OrderBy(x => x.Timestamp)
// .ToList();
// if (set.Count > 1)
// {
// MotionActivityEvent lastEvent = null;
// foreach (var item in set)
// {
// if (lastEvent == null)
// lastEvent = item;
// else
// {
// if (!dict.ContainsKey(item.Types))
// dict.Add(item.Types, TimeSpan.Zero);
// var ts = item.Timestamp.Subtract(lastEvent.Timestamp);
// dict[item.Types] += ts;
// }
// }
// }
// return dict;
//}
/// <summary>
/// Queries for the most current event and checks against type & confidence
/// </summary>
/// <param name="activity"></param>
/// <param name="type"></param>
/// <param name="maxAge"></param>
/// <param name="minConfidence"></param>
/// <returns></returns>
public static async Task <bool> IsCurrentActivity(this IMotionActivityManager activity, MotionActivityType type, TimeSpan?maxAge = null, MotionActivityConfidence minConfidence = MotionActivityConfidence.Medium)
{
var result = await activity.GetCurrentActivity(maxAge);
//if (result == default(MotionActivityEvent))
//return false;
if (result.Confidence < minConfidence)
{
return(false);
}
return(result.Types.HasFlag(type));
}
public ListViewModel(IUserDialogs dialogs, IMotionActivityManager activityManager = null)
{
this.activityManager = activityManager;
this.Load = ReactiveCommand.CreateFromTask(async() =>
{
if (this.activityManager == null)
{
await dialogs.Alert("MotionActivity is not supported on this platform");
return;
}
var result = await this.activityManager.RequestPermission();
if (result != Shiny.AccessState.Available)
{
await dialogs.Alert("Motion Activity is not available - " + result);
return;
}
var activities = await activityManager.QueryByDate(this.Date);
this.Events = activities
.OrderByDescending(x => x.Timestamp)
.Select(x => new CommandItem
{
Text = $"({x.Confidence}) {x.Types}",
Detail = $"{x.Timestamp.LocalDateTime}"
})
.ToList();
this.EventCount = this.Events.Count;
});
this.BindBusyCommand(this.Load);
this.WhenAnyValue(x => x.Date)
.DistinctUntilChanged()
.Select(_ => Unit.Default)
.InvokeCommand((ICommand)this.Load)
.DisposeWith(this.DestroyWith);
}
/// <summary>
/// Queries for activities for an entire day (beginning to end)
/// </summary>
/// <param name="activity"></param>
/// <param name="date"></param>
/// <returns></returns>
public static Task <IList <MotionActivityEvent> > QueryByDate(this IMotionActivityManager activity, DateTimeOffset date)
{
var range = date.GetRangeForDate();
return(activity.Query(range.Start, range.End));
}
/// <summary> /// Queries if most recent activity is stationary /// </summary> /// <param name="activity"></param> /// <param name="maxAge"></param> /// <param name="minConfidence"></param> /// <returns></returns> public static Task <bool> IsCurrentStationary(this IMotionActivityManager activity, TimeSpan?maxAge = null, MotionActivityConfidence minConfidence = MotionActivityConfidence.Medium) => activity.IsCurrentActivity(MotionActivityType.Stationary, maxAge, minConfidence);
/// <summary>
/// Queries for activities for an entire day (beginning to end)
/// </summary>
/// <param name="activity"></param>
/// <param name="date"></param>
/// <returns></returns>
public static Task <IList <MotionActivityEvent> > QueryByDate(this IMotionActivityManager activity, DateTimeOffset date)
{
var endOfDay = date.Date.AddDays(1).AddTicks(-1);
return(activity.Query(date.Date, endOfDay));
}
public OtherExtensionsViewModel(IMotionActivityManager activityManager, IUserDialogs dialogs)
{
this.activityManager = activityManager;
this.dialogs = dialogs;
}
