Fixes #21

Day 5/Issue 21/Parth/CalorieTracker/CalorieTracker.java

@@ -0,0 +1,234 @@
+import java.util.*;
+
+class Ingredient {
+    String name;
+    double calories;
+    double protein;
+    double fats;
+    double carbs;
+
+    public Ingredient(String name, double calories, double protein, double fats, double carbs) {
+        this.name = name;
+        this.calories = calories;
+        this.protein = protein;
+        this.fats = fats;
+        this.carbs = carbs;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%s (Calories: %.2f, Protein: %.2f, Fats: %.2f, Carbs: %.2f)", 
+                             name, calories, protein, fats, carbs);
+    }
+}
+
+class Dish {
+    String name;
+    List<Ingredient> ingredients;
+    Map<Ingredient, Integer> quantities; // Ingredient and quantity in grams
+
+    public Dish(String name) {
+        this.name = name;
+        this.ingredients = new ArrayList<>();
+        this.quantities = new HashMap<>();
+    }
+
+    public void addIngredient(Ingredient ingredient, int quantity) {
+        ingredients.add(ingredient);
+        quantities.put(ingredient, quantity);
+    }
+
+    public double getTotalCalories() {
+        double totalCalories = 0;
+        for (Ingredient ingredient : ingredients) {
+            int quantity = quantities.get(ingredient);
+            totalCalories += (ingredient.calories * quantity / 100.0);
+        }
+        return totalCalories;
+    }
+
+    public String getDescription() {
+        StringBuilder description = new StringBuilder(name + " contains:\n");
+        for (Ingredient ingredient : ingredients) {
+            int quantity = quantities.get(ingredient);
+            description.append(String.format("%s: %d grams\n", ingredient.name, quantity));
+        }
+        description.append(String.format("Total Calories: %.2f\n", getTotalCalories()));
+        return description.toString();
+    }
+}
+
+class Day {
+    String date;
+    List<Dish> dishes;
+
+    public Day(String date) {
+        this.date = date;
+        this.dishes = new ArrayList<>();
+    }
+
+    public void addDish(Dish dish) {
+        dishes.add(dish);
+    }
+
+    public double getTotalCalories() {
+        double totalCalories = 0;
+        for (Dish dish : dishes) {
+            totalCalories += dish.getTotalCalories();
+        }
+        return totalCalories;
+    }
+
+    public String getDailySummary() {
+        StringBuilder summary = new StringBuilder("Date: " + date + "\n");
+        for (Dish dish : dishes) {
+            summary.append(dish.getDescription()).append("\n");
+        }
+        summary.append(String.format("Total Calories for the Day: %.2f\n", getTotalCalories()));
+        return summary.toString();
+    }
+}
+
+public class CalorieTracker {
+    static Scanner scanner = new Scanner(System.in);
+    static List<Ingredient> ingredients = new ArrayList<>();
+    static List<Dish> dishes = new ArrayList<>();
+    static List<Day> days = new ArrayList<>();
+
+    public static void main(String[] args) {
+        while (true) {
+            System.out.println("\nCalorie Tracker Menu:");
+            System.out.println("1. Add Ingredient");
+            System.out.println("2. Add Dish");
+            System.out.println("3. Add Dish to Day");
+            System.out.println("4. View Day Summary");
+            System.out.println("5. Exit");
+            System.out.print("Choose an option: ");
+            int choice = scanner.nextInt();
+            scanner.nextLine(); // consume newline
+
+            switch (choice) {
+                case 1:
+                    addIngredient();
+                    break;
+                case 2:
+                    addDish();
+                    break;
+                case 3:
+                    addDishToDay();
+                    break;
+                case 4:
+                    viewDaySummary();
+                    break;
+                case 5:
+                    System.out.println("Exiting...");
+                    return;
+                default:
+                    System.out.println("Invalid choice. Please try again.");
+            }
+        }
+    }
+
+    private static void addIngredient() {
+        System.out.print("Enter ingredient name: ");
+        String name = scanner.nextLine();
+        System.out.print("Enter calories per 100g: ");
+        double calories = scanner.nextDouble();
+        System.out.print("Enter protein per 100g: ");
+        double protein = scanner.nextDouble();
+        System.out.print("Enter fats per 100g: ");
+        double fats = scanner.nextDouble();
+        System.out.print("Enter carbs per 100g: ");
+        double carbs = scanner.nextDouble();
+        scanner.nextLine(); // consume newline
+
+        Ingredient ingredient = new Ingredient(name, calories, protein, fats, carbs);
+        ingredients.add(ingredient);
+        System.out.println("Ingredient added successfully!");
+    }
+
+    private static void addDish() {
+        System.out.print("Enter dish name: ");
+        String name = scanner.nextLine();
+        Dish dish = new Dish(name);
+
+        while (true) {
+            System.out.print("Enter ingredient name (or 'done' to finish): ");
+            String ingredientName = scanner.nextLine();
+            if (ingredientName.equalsIgnoreCase("done")) break;
+
+            Ingredient ingredient = findIngredientByName(ingredientName);
+            if (ingredient == null) {
+                System.out.println("Ingredient not found. Please add it first.");
+                continue;
+            }
+
+            System.out.print("Enter quantity in grams: ");
+            int quantity = scanner.nextInt();
+            scanner.nextLine(); // consume newline
+
+            dish.addIngredient(ingredient, quantity);
+        }
+        dishes.add(dish);
+        System.out.println("Dish added successfully!");
+    }
+
+    private static void addDishToDay() {
+        System.out.print("Enter date (YYYY-MM-DD): ");
+        String date = scanner.nextLine();
+        Day day = findDayByDate(date);
+        if (day == null) {
+            day = new Day(date);
+            days.add(day);
+        }
+
+        System.out.print("Enter dish name: ");
+        String dishName = scanner.nextLine();
+        Dish dish = findDishByName(dishName);
+        if (dish == null) {
+            System.out.println("Dish not found. Please add it first.");
+            return;
+        }
+
+        day.addDish(dish);
+        System.out.println("Dish added to day successfully!");
+    }
+
+    private static void viewDaySummary() {
+        System.out.print("Enter date (YYYY-MM-DD): ");
+        String date = scanner.nextLine();
+        Day day = findDayByDate(date);
+        if (day == null) {
+            System.out.println("No records found for this date.");
+            return;
+        }
+        System.out.println(day.getDailySummary());
+    }
+
+    private static Ingredient findIngredientByName(String name) {
+        for (Ingredient ingredient : ingredients) {
+            if (ingredient.name.equalsIgnoreCase(name)) {
+                return ingredient;
+            }
+        }
+        return null;
+    }
+
+    private static Dish findDishByName(String name) {
+        for (Dish dish : dishes) {
+            if (dish.name.equalsIgnoreCase(name)) {
+                return dish;
+            }
+        }
+        return null;
+    }
+
+    private static Day findDayByDate(String date) {
+        for (Day day : days) {
+            if (day.date.equals(date)) {
+                return day;
+            }
+        }
+        return null;
+    }
+}