async Task SubmitButtonTappedAsync()
{
UpdateViewModelValues();
try { await SubmitBookChanges(); }
catch (Exception e) { Alerter.PresentOKAlert("Oops", e.Message, this); }
}
void PresentSuccessAlert()
{
Alerter.PresentOKAlert(Constants.SuccessMessages.Success,
Constants.SuccessMessages.BookAddedWithSuccess, this, (action) =>
{
NavigationController.PopViewController(true);
});
}
async Task CheckoutBook(string name)
{
try {
await viewModel.CheckoutBook(name);
UpdateCheckedOutBy();
didUpdateBook(viewModel.Book);
}
catch (Exception e) {
Alerter.PresentOKAlert("Oops", e.Message, this);
}
}
async Task DeleteBook(Book book)
{
try {
await viewModel.DeleteBook(book);
InvokeOnMainThread(() => {
Alerter.PresentOKAlert("Success!", "Book was deleted", this, null);
tableView.ReloadData();
});
}
catch (Exception e) {
InvokeOnMainThread(() =>
{
Alerter.PresentOKAlert("Opps", e.Message, this, null);
});
}
}
async Task LoadData()
{
try { await viewModel.LoadBooks(); }
catch (Exception exception) { Alerter.PresentOKAlert("Oops", exception.Message, this); }
}
