public override async void Init(object initData)
{
var coins = await _coinRepository.GetCoinsAsync().ConfigureAwait(true);
if (!coins.Any())
{
var result = await _service.GetCoinsAsync().ConfigureAwait(true);
await _coinRepository.InsertAsync(result.Value).ConfigureAwait(false);
coins = result.Value;
}
Coins = new ObservableCollection <CoinModel>(coins);
}
