/// <summary>
/// Method to update the list of available ingredients
/// </summary>
/// <returns></returns>
public async Task UpdateIngredientLists()
{
// Getting all ingredients from the database...
AllAvailableIngredientsList = await rep.GetAllCondiments();
// ...and casting it to queryable list
var IngredientsToChooseFrom = AllAvailableIngredientsList.Cast <BackendHandler.Condiment>().ToList();
// Goes through the already set ingredients
CondimentsOnPizza.Cast <BackendHandler.Condiment>().ToList().ForEach(x =>
{
// and removing them from the list of available condiments
for (int i = 0; i < IngredientsToChooseFrom.Count; i++)
{
if (x.CondimentID == IngredientsToChooseFrom[i].CondimentID)
{
IngredientsToChooseFrom.Remove(IngredientsToChooseFrom[i]);
}
}
});
// Updates the list of available ingredients
AllAvailableIngredientsList = IngredientsToChooseFrom;
BasePizza.PizzaIngredients = CondimentsOnPizza.Cast <BackendHandler.Condiment>().ToList();
}
/// <summary>
/// Command to add the selected ingredient in a list to the pizza
/// </summary>
public async Task AddIngredientCommand()
{
// Adds the selected condiment to the pizza
CondimentsOnPizza.Add(CondimentToAdd);
// And updates the UI
await UpdateIngredientLists();
}
/// <summary>
/// Command to remove a selected ingredient in a list from the pizza
/// </summary>
public async Task RemoveIngredientCommand()
{
// Removes the selected condiment
CondimentsOnPizza.Remove(CondimentToRemove);
// And adds it back to the list of available condiments
AllAvailableIngredientsList.Cast <BackendHandler.Condiment>().ToList().Add(CondimentToRemove);
// Updates the lists
await UpdateIngredientLists();
}
/// <summary>
/// Method to load previously added ingredients to the chosen pizza
/// </summary>
/// <returns></returns>
public async Task LoadIngredientsToExistingPizza()
{
if (BasePizza.PizzaID != 0)
{
// getting all ingredients of the sent in pizza
var ingredients = await rep.GetIngredientsFromSpecificPizza(BasePizza.PizzaID);
// Ordering the ingredients
var OrderedIngredients = ingredients.OrderBy(x => x.CondimentID);
// and updates the pizza with it
BasePizza.PizzaIngredients = OrderedIngredients.ToList();
// Putting all the ingredients that a pizza has to the temporary condiment list
BasePizza.PizzaIngredients.ForEach(x =>
{
CondimentsOnPizza.Add(x);
});
}
}
