/// <summary>
/// When override performs actions to load this views data.
/// </summary>
/// <returns></returns>
public override Task LoadDataAsync()
{
//return Task.Factory.StartNew(() =>
//{
if (App.SelectedMeasurement != null)
{
//// request update of this entity
this.Measurement = new MeasurementViewModel(App.SelectedMeasurement.Clone());
this.NotifyPropertyChanged("Measurement");
}
return Task.FromResult<bool>(true);
}
/// <summary>
/// Updates the storage with the newly added measurement.
/// </summary>
/// <param name="measurementViewModel">The measurement view model.</param>
/// <returns></returns>
public async Task AddMeasurement(MeasurementViewModel measurementViewModel)
{
var newMeasurement = measurementViewModel.Model;
MonthMeasurements month;
if (App.SelectedMeasurement == null)
{
month = new MonthMeasurements(newMeasurement.DateTime.Month, newMeasurement.DateTime.Year);
await month.Load();
}
else
{
// Update, no need to load the list again since it's already loaded.
month = App.SelectedMonth;
month.RemoveMeasurement(App.SelectedMeasurement);
}
month.AddMeasurement(newMeasurement);
var monthSummary = month.CalculateSummary();
await month.Save();
await App.UpdateSummary(monthSummary);
}
/// <summary>
/// Initializes a new instance of the <see cref="AddMeasurementViewModel"/> class.
/// </summary>
public AddMeasurementViewModel()
{
this.Measurement = new MeasurementViewModel();
}
