private async Task ExecuteSaveRatingCommand ()
{
try {
AddRatingCommand.ChangeCanExecute ();
var rating = new Rating () {
CheeseId = RatingToAdd.CheeseId,
DateRated = DateTime.Now,
Notes = RatingToAdd.Notes,
WedgeRating = RatingToAdd.WedgeRating,
PhotoUrl = RatingToAdd.PhotoUrl ?? string.Empty,
AudioUrl = RatingToAdd.AudioUrl ?? string.Empty
};
rating = await _dataService.RateCheeseAsync (rating);
RatingToAdd.RatingId = rating.RatingId;
Device.BeginInvokeOnMainThread (async () => await Page.Navigation.PopModalAsync (true));
} catch (NoInternetException) {
await Page.DisplayAlert ("No Internet!", "Cannot Access The Internet!", "Darn!");
} finally {
AddRatingCommand.ChangeCanExecute ();
}
}
private async Task ExecuteAddCheeseCommand ()
{
try {
AddCheeseCommand.ChangeCanExecute ();
var newCheese = new Cheese () {
CheeseName = CheeseToAdd.CheeseName,
DairyName = CheeseToAdd.DairyName,
DateAdded = DateTime.Now
};
newCheese = await _dataService.AddCheeseAsync (newCheese).ConfigureAwait (false);
var newRating = new Rating () {
CheeseId = newCheese.CheeseId,
Notes = CheeseToAdd.Notes,
WedgeRating = CheeseToAdd.WedgeRating,
DateRated = DateTime.Now
};
newRating = await _dataService.RateCheeseAsync (newRating);
CheeseToAdd.CheeseId = newRating.CheeseId;
CheeseToAdd.RatingId = newRating.RatingId;
Device.BeginInvokeOnMainThread (async () => {
await Page.Navigation.PopModalAsync (true);
});
} catch (NoInternetException) {
await Page.DisplayAlert ("No Internet!", "Cannot Access The Internet!", "Darn!");
} finally {
AddCheeseCommand.ChangeCanExecute ();
}
}
public async Task<Rating> RateCheeseAsync (Rating ratedCheese)
{
if (!CrossConnectivity.Current.IsConnected)
throw new NoInternetException ();
if (!_isInitialized)
await InitializeDataStore ();
await _client.GetTable<Rating> ().InsertAsync (ratedCheese);
return ratedCheese;
}