public async Task <BbqEventViewModel> EditEventAsync(BbqEventViewModel input)
{
bool isNew = false;
var model = new BbqEventViewModel();
if (input == null)
{
isNew = true;
}
else
{
model.Load(input);
}
var dialog = new Dialogs.EventEditorDialog();
dialog.Event = model;
var result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
model = dialog.Event;
var entity = isNew ? new BbqEvent() : await this.dataProvider.GetEventByIdAsync(model.Id);
entity.Load(model);
if (isNew)
{
await this.dataProvider.InsertEventAsync(entity);
}
else
{
await this.dataProvider.UpdateEventAsync(entity);
}
return(model);
}
return(null);
}
public async Task <BbqEventViewModel> SelectEventAsync()
{
var selectDialog = new Dialogs.SelectEventDialog();
BbqEventViewModel selectedEvent = null;
do
{
var result = await selectDialog.ShowAsync();
if (result == ContentDialogResult.Primary && selectDialog.SelectedEvent != null)
{
selectedEvent = new BbqEventViewModel();
selectedEvent.Load(selectDialog.SelectedEvent);
}
else if (result == ContentDialogResult.Secondary)
{
selectedEvent = await this.eventEditor.EditEventAsync(null);
}
}while (selectedEvent == null);
return(selectedEvent);
}