public async Task<List<Event>> GetEventsAfterAsync (Event latestEvent, Priority priority)
{
List<Event> events = new List<Event> ();
Task<List<Event>> getEventsTask;
var timestamp = latestEvent.CreatedAt.ToUnixTimestamp ();
switch (priority) {
case Priority.Background:
getEventsTask = _apiService.Background.GetEventsAfter (timestamp, ApiService.Device);
break;
case Priority.UserInitiated:
getEventsTask = _apiService.UserInitiated.GetEventsAfter (timestamp, ApiService.Device);
break;
case Priority.Speculative:
getEventsTask = _apiService.Speculative.GetEventsAfter (timestamp, ApiService.Device);
break;
default:
getEventsTask = _apiService.UserInitiated.GetEventsAfter (timestamp, ApiService.Device);
break;
}
if (CrossConnectivity.Current.IsConnected)
{
events = await Policy
.Handle<WebException> ()
.WaitAndRetryAsync (2, retryAttempt => TimeSpan.FromSeconds (Math.Pow (2, retryAttempt)))
.ExecuteAsync(async () => await getEventsTask);
}
return events;
}
public EventViewModel(Event model)
{
Model = model;
Title = model.Title;
EventTitle = model.Title;
Location = model.Location;
Time = model.Time;
CreatedAt = model.CreatedAt;
this.WhenAnyValue (x => x.Time)
.Select (x => x.ToString ("dd MMMM yyyy"))
.ToProperty (this, x => x.DateText, out dateText);
this.WhenAnyValue (x => x.Time)
.Select (x => x.ToString ("HH:mm"))
.ToProperty (this, x => x.TimeText, out timeText);
}
public EventItemViewModel(Event model)
{
Model = model;
Title = model.Title;
Location = model.Location;
Time = model.Time;
CreatedAt = model.CreatedAt;
Id = model.Id;
this.WhenAnyValue (x => x.Time)
.Select (x => x.ToString ("dd MMMM yyyy", new CultureInfo("tr-TR")))
.ToProperty (this, x => x.DateText, out dateText);
this.WhenAnyValue (x => x.Time)
.Select (x => x.ToString ("HH:mm"))
.ToProperty (this, x => x.TimeText, out timeText);
}