private void UpdateMenuBeverages(string[] selectedBeverages, Menu menu)
{
if (selectedBeverages == null)
{
menu.Beverages = new List<Beverage>();
}
var selectedBeveragesHS = new HashSet<string>(selectedBeverages);
var menuBeveragesHS = new HashSet<int>(menu.Beverages.Select(b => b.BeverageID));
foreach (var beverage in db.Beverages)
{
if (selectedBeverages.Contains(beverage.BeverageID.ToString()))
{
if (!menuBeveragesHS.Contains(beverage.BeverageID))
{
menu.Beverages.Add(beverage);
}
}
else
{
if (menuBeveragesHS.Contains(beverage.BeverageID))
{
menu.Beverages.Remove(beverage);
}
}
}
}
private void PopulateBeverages(Menu menu)
{
var allBeverages = db.Beverages;
var SelectedBeverages = new HashSet<int> ( menu.Beverages.Select(b => b.BeverageID) );
var viewModel = new List<BeverageViewModels>();
foreach (var beverage in allBeverages)
{
viewModel.Add(new BeverageViewModels
{
BeverageID = beverage.BeverageID,
Name = beverage.Name,
Assigned = SelectedBeverages.Contains(beverage.BeverageID)
});
}
ViewBag.Beverages = viewModel;
}