private ICommand CreateAddWishListCommand(PurchaseBookService purchaseService, IWishListRepository wishListRepository)
{
return(new Command(
execute: async() =>
{
IsBusy = true;
try
{
m_canAddToWishList = false;
ChangeCanCommandExecute(AddWishList);
await wishListRepository.AddAsync(m_book);
}
catch (Exception ex)
{
m_canAddToWishList = true;
ChangeCanCommandExecute(AddWishList);
m_messaging.Send(this, ex);
}
IsBusy = false;
}, canExecute: () =>
{
return m_canAddToWishList;
}));
}