public async void ToggleFavoriteNotation()
{
if (HasFavoritedNotation)
{ // unfavoriting
var success = await _serviceFavorites.Delete <bool>(_notationId);
if (success)
{
_favoriteToolbarItem.IconImageSource = ImageSource.FromFile("star_empty.png");
HasFavoritedNotation = false;
NotationStorageHelper.Remove(_notationId);
}
}
else
{ // favoriting
var request = new Model.Requests.FavoritesInsertRequest
{
NotationId = _notationId
};
var entity = await _serviceFavorites.Insert <Model.Favorites>(request);
if (entity != null)
{
_favoriteToolbarItem.IconImageSource = ImageSource.FromFile("star_filled.png");
HasFavoritedNotation = true;
}
}
}
public async void DownloadNotation()
{
var notation = NotationStorageHelper.Get(_notationId);
if (notation != null)
{
NotationStorageHelper.Remove(_notationId);
_downloadToolbarItem.IconImageSource = ImageSource.FromFile("icon_download.png");
await Application.Current.MainPage.DisplayAlert("Success", "Notation has been deleted from the device.", "OK");
}
else
{
await NotationStorageHelper.Add(_notation);
_downloadToolbarItem.IconImageSource = ImageSource.FromFile("icon_downloaded.png");
await Application.Current.MainPage.DisplayAlert("Success", "Notation successfully saved.", "OK");
}
}