feat:added Food.java file

lesson_07/objects/objects_app/src/main/java/com/codedifferently/lesson7/kevinmason/Food.java

@@ -0,0 +1,114 @@
+package com.codedifferently.lesson7.kevinmason;
+
+public class Food {
+  // Member variables
+  private String name;
+  private double price;
+  private boolean isVegetarian;
+  private int calories;
+  private Category category;
+
+  // Custom exception for handling invalid food category
+  public static class InvalidFoodCategoryException extends Exception {
+    public InvalidFoodCategoryException(String message) {
+      super(message);
+    }
+  }
+
+  // Enum for food categories
+  public enum Category {
+    FRUIT,
+    VEGETABLE,
+    MEAT,
+    DAIRY,
+    GRAIN,
+    SNACK,
+    BEVERAGE
+  }
+
+  // Constructor
+  public Food(String name, double price, boolean isVegetarian, int calories, Category category) {
+    this.name = name;
+    this.price = price;
+    this.isVegetarian = isVegetarian;
+    this.calories = calories;
+    this.category = category;
+  }
+
+  // Getter method for calories
+  public int getCalories() {
+    return calories;
+  }
+
+  // Function to check if the food is healthy based on calorie count
+  public boolean isHealthy() {
+    return calories < 500;
+  }
+
+  // Function to simulate eating the food
+  public void eat(int portions) {
+    if (portions <= 0) {
+      System.out.println("Invalid number of portions.");
+      return;
+    }
+    System.out.println("Eating " + portions + " portions of " + name);
+    // Adjusting calories based on portions eaten
+    calories -= portions * 50; // Assuming each portion has 50 calories
+    if (calories < 0) {
+      calories = 0; // Calories cannot be negative
+    }
+    System.out.println("Remaining calories: " + calories);
+  }
+
+  // Function to simulate purchasing the food
+  public void purchase(int quantity) {
+    if (quantity <= 0) {
+      System.out.println("Invalid quantity.");
+      return;
+    }
+    System.out.println("Purchasing " + quantity + " " + name);
+    // Adjusting quantity based on purchase
+    // Dummy implementation, not considering actual stock management
+    System.out.println("Purchase successful!");
+  }
+
+  // Function to check if the food is expired (dummy implementation)
+  public boolean isExpired() {
+    // Dummy implementation, always returns false
+    return false;
+  }
+
+  // Custom method to handle invalid food categories
+  public static Category parseCategory(String category) throws InvalidFoodCategoryException {
+    switch (category.toLowerCase()) {
+      case "fruit":
+        return Category.FRUIT;
+      case "vegetable":
+        return Category.VEGETABLE;
+      case "meat":
+        return Category.MEAT;
+      case "dairy":
+        return Category.DAIRY;
+      case "grain":
+        return Category.GRAIN;
+      case "snack":
+        return Category.SNACK;
+      case "beverage":
+        return Category.BEVERAGE;
+      default:
+        throw new InvalidFoodCategoryException("Invalid food category: " + category);
+    }
+  }
+
+  // Function to print details of food for a specified number of times
+  public void printFoodDetails(int times) {
+    for (int i = 0; i < times; i++) {
+      System.out.println("Name: " + name);
+      System.out.println("Price: " + price);
+      System.out.println("Is Vegetarian: " + isVegetarian);
+      System.out.println("Calories: " + calories);
+      System.out.println("Category: " + category);
+      System.out.println("--------------------------");
+    }
+  }
+}