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  1.     Hamburger.SIZE_BIG = "BIG";
  2.     Hamburger.SIZE_SMALL = "SMALL";
  3.  
  4.     Hamburger.STUFFING_CHEESE = "CHEESE";
  5.     Hamburger.STUFFING_SALAD = "SALAD";
  6.     Hamburger.STUFFING_POTATOES = "POTATOES";
  7.  
  8.     Hamburger.TOPPING_SAUCE = "SAUCE";
  9.     Hamburger.TOPPING_MAYO = "MAYO";
  10.  
  11.  
  12. Hamburger.prototype.validateSize = function (size) {
  13.             if (this.size != Hamburger.SIZE_BIG && 
  14.                 this.size != Hamburger.SIZE_SMALL) {
  15.                 throw new Error( this.size + " - неправильный размер" );
  16.             }
  17.         }
  18.  
  19. Hamburger.prototype.validateStuffing = function (stuffing) {
  20.             if (this.stuffing != Hamburger.STUFFING_CHEESE && 
  21.                 this.stuffing != Hamburger.STUFFING_SALAD && 
  22.                 this.stuffing != Hamburger.STUFFING_POTATOES) {
  23.                 throw new Error( this.stuffing + " - неправильная начинка" );
  24.             }
  25.         }
  26.  
  27. function Hamburger(size, stuffing) {
  28.  
  29.     this.pricesAndCalorics = {
  30.         "BIG": {price: 100, calories: 40}, 
  31.         "SMALL": {price: 50, calories: 20}, 
  32.  
  33.         "CHEESE": {price: 10, calories: 20}, 
  34.         "SALAD": {price: 20, calories: 5},
  35.         "POTATOES": {price: 15, calories: 10}, 
  36.  
  37.         "SAUCE": {price: 15, calories: 0}, 
  38.         "MAYO": {price: 20, calories: 5}
  39.     };
  40.  
  41.     this.size = size;
  42.     this.stuffing = stuffing;
  43.  
  44.     this.validateSize(size);
  45.     this.validateStuffing(stuffing);
  46.  
  47.     this.toppings = [];
  48. }
  49.  
  50. Hamburger.prototype.addTopping = function (topping) {
  51.  
  52.     if (this.toppings.indexOf(topping) >= 0 &&
  53.         topping == Hamburger.TOPPING_SAUCE) {
  54.             throw new Error("Приправа добавлена более 1 раза");
  55.         };   
  56.     if (topping == Hamburger.TOPPING_SAUCE) {
  57.         this.toppings.push(Hamburger.TOPPING_SAUCE);
  58.         return;
  59.     };
  60.  
  61.     if (this.toppings.indexOf(topping) >= 0 &&
  62.         topping == Hamburger.TOPPING_MAYO) {
  63.             throw new Error("Майонезом полито больше 1 раза");
  64.         }; 
  65.     if (topping == Hamburger.TOPPING_MAYO) {
  66.         this.toppings.push(Hamburger.TOPPING_MAYO);
  67.         return;
  68.     };
  69.  
  70.     if (topping != Hamburger.TOPPING_SAUCE && 
  71.         topping != Hamburger.TOPPING_MAYO) {
  72.             throw new Error( topping + " - неизвестная добавка");   
  73.     };  
  74. }
  75.  
  76. Hamburger.prototype.calculateCalories = function () {
  77.  
  78.     var calories = 0;
  79.  
  80.         calories += this.pricesAndCalorics[this.size].calories;
  81.         calories += this.pricesAndCalorics[this.stuffing].calories;
  82.  
  83.             for (var i = 0; i < this.toppings.length; i++) {
  84.                 calories += this.pricesAndCalorics[this.toppings[i]].calories;
  85.             };
  86.  
  87.     return calories;
  88. }
  89.  
  90. Hamburger.prototype.calculatePrice = function () {
  91.  
  92.     var price = 0;
  93.  
  94.         price += this.pricesAndCalorics[this.size].price;
  95.         price += this.pricesAndCalorics[this.stuffing].price;
  96.  
  97.             for (var i = 0; i < this.toppings.length; i++) {
  98.                 price += this.pricesAndCalorics[this.toppings[i]].price;
  99.             };
  100.  
  101.     return price;
  102. }
  103.  
  104. // маленький гамбургер с начинкой из сыра
  105. var hamburger = new Hamburger(Hamburger.SIZE_SMALL, Hamburger.STUFFING_CHEESE);
  106. // добавка из майонеза
  107. hamburger.addTopping(Hamburger.TOPPING_MAYO);
  108. // спросим сколько там калорий
  109. console.log("Calories: %f", hamburger.calculateCalories());
  110. // сколько стоит
  111. console.log("Price: %f", hamburger.calculatePrice());
  112. // я тут передумал и решил добавить еще приправу
  113. hamburger.addTopping(Hamburger.TOPPING_SAUCE);
  114. // А сколько теперь стоит? 
  115. console.log("Price with sauce: %f", hamburger.calculatePrice());
  116. console.log("Calories with sauce: %f", hamburger.calculateCalories());
Runtime error #stdin #stdout #stderr 0.46s 323264KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
js: uncaught JavaScript runtime exception: ReferenceError: "console" is not defined.
https://ideone.com/nnDZkD
language:
JavaScript (rhino 1.7.9)
created:
9 years ago
visibility:
public

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