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 AddRatingViewModel (Cheese cheese, ContentPage page)
{
_dataService = DependencyService.Get<ICheeseDataService> ();
MessagingCenter.Subscribe<AudioVideoViewModel, StorageCompleteMessage> (
this, AzureConstants.PhotoStorageComplete,
(avvm, scm) => {
RatingToAdd.PhotoUrl = scm.StorageUrl;
});
MessagingCenter.Subscribe<AudioVideoViewModel, StorageCompleteMessage> (
this, AzureConstants.AudioStorageComplete,
(avvm, scm) => {
RatingToAdd.AudioUrl = scm.StorageUrl;
});
RatingToAdd = new CheeseAndRating () {
CheeseId = cheese.CheeseId,
CheeseName = cheese.CheeseName,
DairyName = cheese.DairyName
};
Page = page;
}
public AddRatingView(Cheese cheese)
{
_viewModel = new AddRatingViewModel (cheese, this);
BindingContext = _viewModel;
var cheeseName = new Label ();
cheeseName.Text = string.Format ("The cheese name is {0}", _viewModel.RatingToAdd.CheeseName);
var dairyName = new Label () { Text = "Dairy Name" };
dairyName.Text = string.Format ("The dairy name is {0}", _viewModel.RatingToAdd.DairyName);
var ratingLabel = new Label () { Text = "Rating:" };
var notesLabel = new Label () { Text = "Notes:" };
var ratingView = new RatingView (true);
ratingView.SetBinding (RatingView.WedgeRatingProperty, "RatingToAdd.WedgeRating");
var notesEntry = new Entry () { };
notesEntry.SetBinding (Entry.TextProperty, "RatingToAdd.Notes");
var entryGrid = new Grid () {
ColumnSpacing = 0,
RowSpacing = 2,
VerticalOptions = LayoutOptions.Start
};
entryGrid.RowDefinitions.Add (new RowDefinition (){ Height = GridLength.Auto });
entryGrid.RowDefinitions.Add (new RowDefinition () { Height = GridLength.Auto });
entryGrid.ColumnDefinitions.Add (new ColumnDefinition () { Width = GridLength.Auto });
entryGrid.ColumnDefinitions.Add (new ColumnDefinition (){ Width = new GridLength (1, GridUnitType.Star) });
entryGrid.Children.Add (ratingLabel, 0, 0);
entryGrid.Children.Add (ratingView, 1, 0);
entryGrid.Children.Add (notesLabel, 0, 1);
entryGrid.Children.Add (notesEntry, 1, 1);
var saveButton = new Button () {
Text = "Save",
FontAttributes = FontAttributes.Bold,
BackgroundColor = CheeseColors.RED,
TextColor = Color.White,
FontSize = 18,
BorderRadius = 0
};
saveButton.Command = _viewModel.AddRatingCommand;
var cancelButton = new Button () {
Text = "Cancel",
FontAttributes = FontAttributes.Bold,
BackgroundColor = CheeseColors.GRAY,
TextColor = Color.White,
FontSize = 18,
BorderRadius = 0
};
var grid = new Grid () {
RowDefinitions = { new RowDefinition { Height = new GridLength (40, GridUnitType.Star) } },
ColumnDefinitions = {
new ColumnDefinition () { Width = new GridLength (.5, GridUnitType.Star) },
new ColumnDefinition () { Width = new GridLength (.5, GridUnitType.Star) }
},
Padding = new Thickness (0, 0, 0, 0),
RowSpacing = 0,
ColumnSpacing = 0
};
grid.Children.Add (saveButton, 0, 0);
grid.Children.Add (cancelButton, 1, 0);
cancelButton.Clicked += async (sender, e) => {
await Navigation.PopAsync(true);
};
var cameraImage = new FileImageSource ();
cameraImage.File = "Camera.png";
var cameraButton = new Button () { Image = cameraImage, Text="Take Photo" };
cameraButton.Clicked += async (sender, e) => {
var cv = new CameraView();
await Navigation.PushModalAsync(cv);
};
var scroll = new ScrollView ();
scroll.Content = new StackLayout {
Children = {
cheeseName,
dairyName,
entryGrid,
cameraButton,
grid
}
};
var headerImage = new Image { Source = "Rectangle1.png", Aspect = Aspect.AspectFill };
Content = new StackLayout() {
Children = {
headerImage,
scroll
}
};
}
public AddRatingView(Cheese cheese)
{
_viewModel = new AddRatingViewModel(cheese, this);
BindingContext = _viewModel;
var cheeseName = new Label();
cheeseName.Text = string.Format("The cheese name is {0}", _viewModel.RatingToAdd.CheeseName);
var dairyName = new Label()
{
Text = "Dairy Name"
};
dairyName.Text = string.Format("The dairy name is {0}", _viewModel.RatingToAdd.DairyName);
var ratingLabel = new Label()
{
Text = "Rating:"
};
var notesLabel = new Label()
{
Text = "Notes:"
};
var ratingView = new RatingView(true);
ratingView.SetBinding(RatingView.WedgeRatingProperty, "RatingToAdd.WedgeRating");
var notesEntry = new Entry()
{
};
notesEntry.SetBinding(Entry.TextProperty, "RatingToAdd.Notes");
var entryGrid = new Grid()
{
ColumnSpacing = 0,
RowSpacing = 2,
VerticalOptions = LayoutOptions.Start
};
entryGrid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
entryGrid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
entryGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
entryGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
entryGrid.Children.Add(ratingLabel, 0, 0);
entryGrid.Children.Add(ratingView, 1, 0);
entryGrid.Children.Add(notesLabel, 0, 1);
entryGrid.Children.Add(notesEntry, 1, 1);
var saveButton = new Button()
{
Text = "Save",
FontAttributes = FontAttributes.Bold,
BackgroundColor = CheeseColors.RED,
TextColor = Color.White,
FontSize = 18,
BorderRadius = 0
};
saveButton.Command = _viewModel.AddRatingCommand;
var cancelButton = new Button()
{
Text = "Cancel",
FontAttributes = FontAttributes.Bold,
BackgroundColor = CheeseColors.GRAY,
TextColor = Color.White,
FontSize = 18,
BorderRadius = 0
};
var grid = new Grid()
{
RowDefinitions = { new RowDefinition {
Height = new GridLength(40, GridUnitType.Star)
} },
ColumnDefinitions =
{
new ColumnDefinition()
{
Width = new GridLength(.5, GridUnitType.Star)
},
new ColumnDefinition()
{
Width = new GridLength(.5, GridUnitType.Star)
}
},
Padding = new Thickness(0, 0, 0, 0),
RowSpacing = 0,
ColumnSpacing = 0
};
grid.Children.Add(saveButton, 0, 0);
grid.Children.Add(cancelButton, 1, 0);
cancelButton.Clicked += async(sender, e) => {
await Navigation.PopAsync(true);
};
var cameraImage = new FileImageSource();
cameraImage.File = "Camera.png";
var cameraButton = new Button()
{
Image = cameraImage, Text = "Take Photo"
};
cameraButton.Clicked += async(sender, e) => {
var cv = new CameraView();
await Navigation.PushModalAsync(cv);
};
var scroll = new ScrollView();
scroll.Content = new StackLayout {
Children =
{
cheeseName,
dairyName,
entryGrid,
cameraButton,
grid
}
};
var headerImage = new Image {
Source = "Rectangle1.png", Aspect = Aspect.AspectFill
};
Content = new StackLayout()
{
Children =
{
headerImage,
scroll
}
};
}
public async Task<Cheese> AddCheeseAsync (Cheese newCheese)
{
if (!CrossConnectivity.Current.IsConnected)
throw new NoInternetException ();
if (!_isInitialized)
await InitializeDataStore ();
await _client.GetTable<Cheese> ().InsertAsync (newCheese).ConfigureAwait (false);
return newCheese;
}