private void IdReceived(int obj)
{
TrainingSession t = TrainingSessionService.GetByid(obj);
// retrieve the good picture in regards to the available seats
var pictureTraining = "";
if (t.AvailableSeat == 0)
{
pictureTraining = "unavailable.png";
}
else if (t.AvailableSeat < 3)
{
pictureTraining = "warning.png";
}
PictureTrainingSessionViewModel pictureTrainingSessionViewModels = new PictureTrainingSessionViewModel(t, pictureTraining)
{
AvailableSeat = t.AvailableSeat, Date = t.Date, Id = t.Id, PictureTraining = pictureTraining
};
Items.Add(pictureTrainingSessionViewModels);
List <PictureTrainingSessionViewModel> trainingSessions = Items.OrderBy(s => s.Date).ToList();
Items.Clear();
foreach (PictureTrainingSessionViewModel item in trainingSessions)
{
Items.Add(item);
}
}
/// <summary>
/// Register a user to a training Session and publish it to add the training to user's trainings list
/// </summary>
/// <param name="obj">The training on which the user would like to register </param>
private async void SaveRegister(PictureTrainingSessionViewModel obj)
{
try
{
// If there is not a single seat available for this training session, we show an alert.
if (obj.AvailableSeat <= 0)
{
await Application.Current.MainPage.DisplayAlert("Aucune place disponible pour cette session.", "", "OK");
return;
}
bool answer = await Application.Current.MainPage.DisplayAlert("Confirmation d'inscription", "Êtes-vous sûr de vouloir vous inscrire à la session du : " + obj.Date, "Oui", "Non");
if (answer)
{
int userId = int.Parse(Application.Current.Properties["UserId"].ToString());
//Register the user to the training Session in parameter
int add = TrainingSessionService.SaveRegister(userId, obj.Id);
if (add != 0)
{
TrainingSession t = new TrainingSession()
{
Id = obj.Id,
AvailableSeat = obj.AvailableSeat,
Date = obj.Date
};
//Update the number of available seats
t.AvailableSeat -= 1;
TrainingSessionService.Update(t);
//Remove the session into the available sessions for the user.
ObservableCollection <TrainingSession> trainingSessions = new ObservableCollection <TrainingSession>(TrainingSessionService.GetAllByUserId(userId));
if (trainingSessions != null)
{
Items.Remove(obj);
}
//Event publish to refresh the user's trainings list
Event.GetEvent <SentEvent>().Publish(obj.Id);
Event.GetEvent <RefreshAvailableTrainingSessionsListEvent>().Publish();
await Application.Current.MainPage.DisplayAlert("Validation", "Vous êtes désormais inscrit à la session du : " + obj.Date, "Ok");
}
else
{
//Message d'erreur;
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
