public async Task <IEnumerable <Event> > GetEvents(bool updateFromServer = true)
{
if (!_connectivityService.IsConnected())
{
updateFromServer = false;
}
/*Get events from local DB*/
if (!updateFromServer)
{
var eventsLocal = await _eventRepository.EnumerateAllAsync();
eventsLocal.ForEach(e =>
{
e.Vouchers = _voucherRepository.GetListByPredicate(v => v.EventId == e.Id);
});
if (eventsLocal != null)
{
return(eventsLocal);
}
}
/*Get events from server*/
_uiServices.ShowLoading("Carregando seus Eventos, aguarde");
var events = await
_eventPolicies.GetPolicies().ExecuteAsync(async() =>
{
return(await _voucherApi.GetEventsAsync(_sessionManager.GetUserId(), _sessionManager.GetUserToken()));
});
_uiServices.HideLoading();
/*Removing existing events from local DB*/
await _eventRepository.RemoveAllAsync();
if (events != null)
{
await _eventRepository.AddAllAsync(events);/*Adding the new events to local DB*/
}
var vouchers = events.SelectMany(e => e.Vouchers);
await _voucherRepository.RemoveAllAsync();
if (vouchers != null)
{
await _voucherRepository.AddAllAsync(vouchers);
}
return(events);
}
private async void GetEventVoucherListCommandAction()
{
Event.Vouchers = await _voucherService.GetVouchers(Event.Id);
if (Event.Vouchers != null)
{
await _voucherRepository.RemoveAllAsync();
await _voucherRepository.AddAllAsync(Event.Vouchers);
}
RaisePropertyChanged("Event");
}