public IFoodstuff MakeDish(DishesIndex dish, double weight, IFoodstuff dishDressing = null)
{
try
{
switch (dish)
{
case DishesIndex.CaesarSalad:
IEnumerable <IFoodstuff> saladIngredients = GetSaladIngredients(weight, dish);
return(new CaesarSalad(weight, saladIngredients, dishDressing as CaesarSauce));
case DishesIndex.CaesarSauce:
IEnumerable <IFoodstuff> sauceIngredients = GetSauceIngredients(weight, dish);
return(new CaesarSauce(weight, sauceIngredients));
default:
return(null);
}
}
catch
{
throw;
}
}
public double CalculateCaloricValue(IFoodstuff dish)
{
try
{
return(dish.Weight * dish.CaloricPer100Grams / 100);
}
catch
{
throw;
}
}
public FoodstuffAmountCellViewModel(
IFoodstuff foodstuff,
float amount,
IOption <float> requiredAmount,
Func <Unit, Task> onPlus,
Func <Unit, Task> onMinus,
params UserAction <Unit>[] menuActions)
{
Foodstuff = foodstuff;
Amount = amount;
RequiredAmount = requiredAmount;
OnPlus = onPlus;
OnMinus = onMinus;
MenuActions = menuActions;
}
/// <summary>
/// Fire the event "SortFoodstuffOrder".
/// </summary>
public void OnSortFoodstuffOrder(IFoodstuff dish)
{
var productsList = SortFoodstuffOrder?.Invoke(dish);
Console.SetCursorPosition(30, Console.CursorTop);
Console.WriteLine($"Ккал на 100гр.");
foreach (var product in productsList)
{
Console.Write($"{product.Name}");
Console.SetCursorPosition(30, Console.CursorTop);
Console.WriteLine($"{product.CaloricPer100Grams:f1}");
}
Console.WriteLine($"\n");
}
public IEnumerable <IFoodstuff> SortFoodstuffsBy(IFoodstuff dish)
{
try
{
var type = dish.GetType();
var propertyInfo = type.GetProperties();
Comparison <IFoodstuff> sort;
sort = (x, y) =>
{
if (x.CaloricPer100Grams > y.CaloricPer100Grams)
{
return(-1);
}
else if (x.CaloricPer100Grams < y.CaloricPer100Grams)
{
return(1);
}
return(0);
};
var productsOfDish = propertyInfo
.Select(prop => prop.GetValue(dish) as IFoodstuff)
.Where(productOfDish => productOfDish != null)
.ToList();
productsOfDish.Sort(sort);
return(productsOfDish);
}
catch
{
throw;
}
}
/// <summary>
/// Fire the event "FindProductsOfDishOrder".
/// </summary>
public void OnFindProductsOfDishOrder(double lowerLimit, double upperLimit,
IFoodstuff dish)
{
var productsList = FindProductsOfDishOrder?.Invoke(lowerLimit, upperLimit, dish);
Console.WriteLine(
$"Ингредиенты в салате, удовлетворяющие диапозону калорийности [{lowerLimit} - {upperLimit}]:");
if (productsList.Any())
{
foreach (var product in productsList)
{
Console.WriteLine(product.Name);
}
Console.WriteLine($"\n");
}
else
{
Console.WriteLine("Продукты не найдены.\n");
}
}
private static void UserActions(Controller controller, IFoodstuff preparedDish)
{
try
{
Console.WriteLine("Узнайте состав салата, нажав \"i\"; калорийность - \"c\"; найдите продукт в салате по заданному диапозону калорийности - \"p\"; или любую клавишу, чтобы продолжить");
string key = Console.ReadKey(true).Key.ToString().ToLower();
switch (key)
{
case "i":
Console.WriteLine(new string('*', 50));
controller.OnSortFoodstuffOrder(preparedDish);
UserActions(controller, preparedDish);
break;
case "c":
Console.WriteLine(new string('*', 50));
controller.OnCalculateCaloricValueOrder(preparedDish);
UserActions(controller, preparedDish);
break;
case "p":
Console.WriteLine(new string('*', 50));
Console.WriteLine("Введите два числа ");
while (true)
{
try
{
Console.Write("Нижняя граница калорийности: ");
int a = Math.Abs(int.Parse(Console.ReadLine()));
Console.Write("Верхняя граница калорийности: ");
int b = Math.Abs(int.Parse(Console.ReadLine()));
controller.OnFindProductsOfDishOrder(a, b, preparedDish);
break;
}
catch (FormatException e)
{
Console.WriteLine("Вы ввели не допустимый символ. Повторите ввод: ");
continue;
}
}
UserActions(controller, preparedDish);
break;
default:
break;
}
}
catch
{
throw;
}
}
public IOption <float> Get(IFoodstuff foodstuff) => requirements.Get(foodstuff);
public FoodstuffSearchCellViewModel(IFoodstuff foodstuff, Action onSelected)
{
Foodstuff = foodstuff;
OnSelected = onSelected;
}
private void Add(IFoodstuff foodstuff)
{
Selected = Selected.Add(foodstuff);
RaisePropertyChanged(nameof(SearchResult));
}
public IngredientWithFoodstuff(IFoodstuff foodstuff, IIngredient ingredient)
{
Foodstuff = foodstuff;
Ingredient = ingredient;
}
public IEnumerable <IFoodstuff> FindProductsOfDishBy(double lowerCaloricLimit, double upperCaloricLimit, IFoodstuff dish)
{
try
{
var type = dish.GetType();
var propertyInfo = type.GetProperties();
return(propertyInfo
.Select(prop => prop.GetValue(dish) as IFoodstuff)
.Where(productOfDish => productOfDish != null)
.Where(productOfDish => productOfDish.CaloricPer100Grams >= lowerCaloricLimit &&
productOfDish.CaloricPer100Grams <= upperCaloricLimit));
}
catch
{
throw;
}
}
/// <summary>
/// Fire the event "CalculateCaloricValueOrder".
/// </summary>
public void OnCalculateCaloricValueOrder(IFoodstuff dish)
{
var totalCalories = CalculateCaloricValueOrder?.Invoke(dish);
Console.WriteLine($"Энергетическая ценность в {dish.Weight} граммах салата - {totalCalories:f1} ккал\n");
}
