dinnerModel.js

//DinnerModel class
class DinnerModel {

  constructor() {
    this.dishes = dishesConst;

    //TODO Lab 1
    // implement the data structure that will hold number of guests
    // and selected dishes for the dinner menu

  }

  setNumberOfGuests(num) {
    //TODO Lab 1
  }

  getNumberOfGuests() {
    //TODO Lab 1
  }

  //Returns the dishes that are on the menu for selected type
  getSelectedDishes(type) {
    //TODO Lab 1
  }

  //Returns all the dishes on the menu.
  getFullMenu() {
    //TODO Lab 1
  }

  //Returns all ingredients for all the dishes on the menu.
  getAllIngredients() {
    //TODO Lab 1
  }

  //Returns the total price of the menu (price per serving of each dish multiplied by number of guests).
  getTotalMenuPrice() {
    //TODO Lab 1
  }

  //Adds the passed dish to the menu.
  addDishToMenu(dish) {
    //TODO Lab 1
  }

  //Removes dish with specified id from menu
  removeDishFromMenu(id) {
    //TODO Lab 1
  }

  //Returns all dishes of specific type (i.e. "starter", "main dish" or "dessert").
  //query argument, text, if passed only returns dishes that contain the query in name or one of the ingredients.
  //if you don't pass any query, all the dishes will be returned
  getAllDishes(type, query) {
    return this.dishes.filter(function (dish) {
      let found = true;
      if (query) {
        found = false;
        dish.extendedIngredients.forEach(function (ingredient) {
          if (ingredient.name.indexOf(query) !== -1) {
            found = true;
          }
        });
        if (dish.name.indexOf(query) !== -1) {
          found = true;
        }
      }
      return (dish.dishTypes.includes(type) || !type) && found;
    });
  }

  //Returns a dish of specific ID
  getDish(id) {
    for (let dish of this.dishes) {
      if (dish.id === id) {
        return dish;
      }
    }
    return undefined;
  }
}

// the dishes constant contains an array of all the
// dishes in the database. Each dish has id, name, array of dishTypes,
// image (name of the image file), instructions and
// array of ingredients. Each ingredient has name,
// amount (a number) and unit (string
// defining the unit i.e. "g", "slices", "ml". Unit
// can sometimes be empty like in the example of eggs where
// you just say "5 eggs" and not "5 pieces of eggs" or anything else.
const dishesConst = [{
  'id': 1,
  'name': 'French toast',
  'dishTypes': ['starter', 'breakfast'],
  'image': 'toast.jpg',
  'instructions': "In a large mixing bowl, beat the eggs. Add the milk, brown sugar and nutmeg; stir well to combine. Soak bread slices in the egg mixture until saturated. Heat a lightly oiled griddle or frying pan over medium high heat. Brown slices on both sides, sprinkle with cinnamon and serve hot.",
  'pricePerServing': 32.5,
  'extendedIngredients': [{
    'name': 'eggs',
    'amount': 0.5,
    'unit': '',
  }, {
    'name': 'milk',
    'amount': 30,
    'unit': 'ml',
  }, {
    'name': 'brown sugar',
    'amount': 7,
    'unit': 'g',
  }, {
    'name': 'ground nutmeg',
    'amount': 0.5,
    'unit': 'g',
  }, {
    'name': 'white bread',
    'amount': 2,
    'unit': 'slices',
  }]
}, {
  'id': 2,
  'name': 'Sourdough Starter',
  'dishTypes': ['starter'],
  'image': 'sourdough.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 43.2,
  'extendedIngredients': [{
    'name': 'active dry yeast',
    'amount': 0.5,
    'unit': 'g',
  }, {
    'name': 'warm water',
    'amount': 30,
    'unit': 'ml',
  }, {
    'name': 'all-purpose flour',
    'amount': 15,
    'unit': 'g',
  }]
}, {
  'id': 3,
  'name': 'Baked Brie with Peaches',
  'dishTypes': ['starter', 'lunch'],
  'image': 'bakedbrie.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 52.8,
  'extendedIngredients': [{
    'name': 'round Brie cheese',
    'amount': 10,
    'unit': 'g',
  }, {
    'name': 'raspberry preserves',
    'amount': 15,
    'unit': 'g',
  }, {
    'name': 'peaches',
    'amount': 1,
    'unit': '',
  }]
}, {
  'id': 100,
  'name': 'Meat balls',
  'dishTypes': ['main dish'],
  'image': 'meatballs.jpg',
  'instructions': "Preheat an oven to 400 degrees F (200 degrees C). Place the beef into a mixing bowl, and season with salt, onion, garlic salt, Italian seasoning, oregano, red pepper flakes, hot pepper sauce, and Worcestershire sauce; mix well. Add the milk, Parmesan cheese, and bread crumbs. Mix until evenly blended, then form into 1 1/2-inch meatballs, and place onto a baking sheet. Bake in the preheated oven until no longer pink in the center, 20 to 25 minutes.",
  'pricePerServing': 33.5,
  'extendedIngredients': [{
    'name': 'extra lean ground beef',
    'amount': 115,
    'unit': 'g',
  }, {
    'name': 'sea salt',
    'amount': 0.7,
    'unit': 'g',
  }, {
    'name': 'small onion, diced',
    'amount': 0.25,
    'unit': '',
  }, {
    'name': 'garlic salt',
    'amount': 0.7,
    'unit': 'g',
  }, {
    'name': 'Italian seasoning',
    'amount': 0.6,
    'unit': 'g',
  }, {
    'name': 'dried oregano',
    'amount': 0.3,
    'unit': 'g',
  }, {
    'name': 'crushed red pepper flakes',
    'amount': 0.6,
    'unit': 'g',
  }, {
    'name': 'Worcestershire sauce',
    'amount': 6,
    'unit': 'ml',
  }, {
    'name': 'milk',
    'amount': 20,
    'unit': 'ml',
  }, {
    'name': 'grated Parmesan cheese',
    'amount': 5,
    'unit': 'g',
  }, {
    'name': 'seasoned bread crumbs',
    'amount': 15,
    'unit': 'g',
  }]
}, {
  'id': 101,
  'name': 'MD 2',
  'dishTypes': ['main dish'],
  'image': 'bakedbrie.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 43.2,
  'extendedIngredients': [{
    'name': 'ingredient 1',
    'amount': 1,
    'unit': 'pieces',
  }, {
    'name': 'ingredient 2',
    'amount': 15,
    'unit': 'g',
  }, {
    'name': 'ingredient 3',
    'amount': 10,
    'unit': 'ml',
  }]
}, {
  'id': 102,
  'name': 'MD 3',
  'dishTypes': ['main dish'],
  'image': 'meatballs.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 25.2,
  'extendedIngredients': [{
    'name': 'ingredient 1',
    'amount': 2,
    'unit': 'pieces',
  }, {
    'name': 'ingredient 2',
    'amount': 10,
    'unit': 'g',
  }, {
    'name': 'ingredient 3',
    'amount': 5,
    'unit': 'ml',
  }]
}, {
  'id': 103,
  'name': 'MD 4',
  'dishTypes': ['main dish'],
  'image': 'meatballs.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 52.0,
  'extendedIngredients': [{
    'name': 'ingredient 1',
    'amount': 1,
    'unit': 'pieces',
  }, {
    'name': 'ingredient 2',
    'amount': 12,
    'unit': 'g',
  }, {
    'name': 'ingredient 3',
    'amount': 6,
    'unit': 'ml',
  }]
}, {
  'id': 200,
  'name': 'Chocolat Ice cream',
  'dishTypes': ['dessert'],
  'image': 'icecream.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 12.2,
  'extendedIngredients': [{
    'name': 'ice cream',
    'amount': 100,
    'unit': 'ml',
  }]
}, {
  'id': 201,
  'name': 'Vanilla Ice cream',
  'dishTypes': ['dessert'],
  'image': 'icecream.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 21.2,
  'extendedIngredients': [{
    'name': 'ice cream',
    'amount': 100,
    'unit': 'ml',
  }]
}, {
  'id': 202,
  'name': 'Strawberry',
  'dishTypes': ['dessert'],
  'image': 'icecream.jpg',
  'instructions': "Here is how you make it... Lore ipsum...",
  'pricePerServing': 15.0,
  'extendedIngredients': [{
    'name': 'ice cream',
    'amount': 100,
    'unit': 'ml',
  }]
}
];

// Deepfreeze, you can ignore this function
// https://github.com/substack/deep-freeze/blob/master/index.js
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
function deepFreeze(o) {
  Object.freeze(o);
  Object.getOwnPropertyNames(o).forEach(function (prop) {
    if (o.hasOwnProperty(prop)
        && o[prop] !== null
        && (typeof o[prop] === "object" || typeof o[prop] === "function")
        && !Object.isFrozen(o[prop])) {
      deepFreeze(o[prop]);
    }
  });
}

deepFreeze(dishesConst);