public async Task <List <Conference> > GetConferences(string token, Priority priority)
{
var cache = BlobCache.LocalMachine;
if (priority == Priority.UserInitiated)
{
BlobCache.LocalMachine.InvalidateAll().Subscribe();
}
var cachedConferences = cache.GetAndFetchLatest("conferences", () => GetRemoteConferencesAsync(priority),
offset =>
{
TimeSpan elapsed = DateTimeOffset.Now - offset;
return(elapsed > new TimeSpan(hours: 24, minutes: 0, seconds: 0));
});
var conferences = await cachedConferences.FirstOrDefaultAsync();
var schedules = await _schedulesService.GetSchedules(priority);
if (schedules != null)
{
foreach (var schedule in schedules)
{
var conference = conferences.SingleOrDefault(c => c.Slug == schedule.Conference.Slug);
if (conference != null)
{
conference.IsAddedToSchedule = true;
}
}
}
return(conferences);
}
public async Task LoadSchedules(Priority priority)
{
var schedules = await _schedulesService
.GetSchedules(priority)
.ConfigureAwait(false);
var conferences = schedules.Select(s => s.Conference).ToList();
this.MyConferences = new ObservableCollection <Conference> (conferences);
}