//Creates a dictionary by coping all fooditems from fis to FoodItemsByCategory where the category matches
public void LoadFoodItemsByCategory(List <FoodItem> fis)
{
if (fis == null)
{
return;
}
if (FoodItemsByCategory == null)
{
FoodItemsByCategory = new Dictionary <FoodItemCategory, List <FoodItem> >();
}
foreach (FoodItemCategory fic in ALL_FOOD_ITEM_CATEGORIES)
{
FoodItemsByCategory.Add(fic, new List <FoodItem>());
}
foreach (FoodItem fi in fis)
{
foreach (FoodItemCategory cat in fi.Category)
{
FoodItemsByCategory[cat].Add(new FoodItem(fi));
}
}
}
private async void GetFoodItems(int categoryID)
{
var data = await new FoodItemService().GetFoodItemsByCategoryAsync(categoryID);
FoodItemsByCategory.Clear();
foreach (var item in data)
{
FoodItemsByCategory.Add(item);
}
TotalFoodItems = FoodItemsByCategory.Count;
}
