public async Task SetIsFavorite(CancellationToken ct, ChuckNorrisQuote quote, bool isFavorite)
{
if (quote is null)
{
throw new ArgumentNullException(nameof(quote));
}
var settings = await _applicationSettingsService.GetCurrent(ct);
quote = quote.WithIsFavorite(isFavorite);
var updatedFavorites = isFavorite && !settings.FavoriteQuotes.ContainsKey(quote.Id)
? settings.FavoriteQuotes.Add(quote.Id, quote)
: settings.FavoriteQuotes.Remove(quote.Id);
await _applicationSettingsService.SetFavoriteQuotes(ct, updatedFavorites);
var source = await GetFavouriteQuotesSource(ct);
if (isFavorite)
{
if (source.Items.None(q => q.Id == quote.Id))
{
source.Add(quote);
}
}
else
{
var item = source.Items.FirstOrDefault(q => q.Id == quote.Id);
source.Remove(item);
}
}
public ChuckNorrisItemViewModel(IViewModel parent, ChuckNorrisQuote quote)
{
Parent = parent;
Quote = quote;
}
