public IResult EnterCatalog()
{
if (CurrentCatalog == null)
{
return(null);
}
if (ParentModel.Mode == CatalogViewMode.Basic)
{
if (!CurrentCatalog.HaveOffers)
{
return(new ShowPopupResult(() => ParentModel.ShowOrderHistory()));
}
Shell.Navigate(new CatalogOfferViewModel(CurrentCatalog));
}
else if (ParentModel.Mode == CatalogViewMode.CatalogSelector)
{
ParentModel.CatalogSelector(CurrentCatalog);
}
return(null);
}