private async void OnChangeDay(object input)
{
var newDay = (SessionDay?)input;
if (newDay.HasValue)
{
SelectedDay = newDay.Value;
SessionsPage.DayChanged(this, null);
await LoadSessions(SelectedDay);
}
}
public static SessionDayTO ToTransfertObject(this SessionDay sessionDay)
{
if (sessionDay == null)
{
throw new ArgumentNullException(nameof(sessionDay));
}
return(new SessionDayTO
{
Id = sessionDay.Id,
Date = sessionDay.Date,
PresenceType = sessionDay.PresenceType
});
}
public SessionsViewModel(
INavigationService navigationService,
ISessionService sessionService,
ISettingsService settingsService,
IErrorRetryManager errorRetryManager)
{
IsBusy = false;
DisplayOfflineNotice = true;
SelectedDay = SessionDay.Day1;
NavigationService = navigationService;
SessionService = sessionService;
SettingsService = settingsService;
ErrorRetryManager = errorRetryManager;
SessionSelected = new DelegateCommand <Session>(OnSessionSelected);
ToggleAsFavorite = new DelegateCommand <Session>(OnToggleAsFavorite);
ToggleOfflineNotice = new DelegateCommand(OnToggleOfflineNotice);
ChangeDay = new DelegateCommand <object>(OnChangeDay);
Sessions = new ObservableCollection <SessionList>();
}
private async Task LoadSessions(SessionDay currentDay)
{
if (_allSessions == null)
{
_allSessions = await SessionService.GetAsync();
}
var todaysSessions = _allSessions
.Where(x => x.Day == (int)currentDay)
.GroupBy(x => new { x.TimeSlotName, x.TimeSlot }, (key, group) =>
new SessionList(key.TimeSlotName, key.TimeSlot,
group.Select(x => new Session
{
Title = x.Title,
Description = x.Description,
Room = x.Room,
Track = x.Category.ToSessionTrack(),
TimeSlotName = x.TimeSlotName,
Day = x.Day,
TimeSlot = x.TimeSlot,
VideoLink = x.VideoLink,
Speakers = x.Speakers.Select(s => new Speaker
{
Name = s.Name,
Bio = s.Bio,
Headshot = ImageSource.FromStream(() => new MemoryStream(s.Photo))
})
})))
.OrderBy(x => x.Heading);
Sessions.Clear();
foreach (var item in todaysSessions)
{
Sessions.Add(item);
}
ContentRetrieved = SettingsService.Get().LastUpdated;
}
