Загрузка данных


using System;

namespace Stolovaya
{
    class Program
    {
        static string[] names = { "Борщ", "Пельмени", "Салат" };
        static int[] quantity = { 5, 0, 10 };
        static int[] price = { 80, 120, 60 };

        static void Main()
        {
            Console.OutputEncoding = System.Text.Encoding.UTF8;

            Console.WriteLine("МЕНЮ");
            for (int i = 0; i < names.Length; i++)
            {
                string status = quantity[i] == 0 ? "нет в наличии" : quantity[i] + " шт";
                Console.WriteLine("ID: " + i + " | " + names[i] + " | " + price[i] + " rub | " + status);
            }

            int id = 0;
            int amount = 0;

            try
            {
                Console.Write("ID блюда: ");
                string buf = Console.ReadLine();
                id = int.Parse(buf);
            }
            catch (FormatException e)
            {
                Console.WriteLine("FormatException");
                Console.WriteLine("Message:    " + e.Message);
                Console.WriteLine("Source:     " + e.Source);
                Console.WriteLine("TargetSite: " + e.TargetSite);
                Console.WriteLine("\nEnter для выхода...");
                Console.ReadLine();
                return;
            }

            try
            {
                string dishName = names[id];
                int available = quantity[id];
                int dishPrice = price[id];

                if (available == 0)
                {
                    Console.WriteLine("\nБлюдо «" + dishName + "» закончилось");
                    Console.ReadLine();
                    return;
                }

                Console.Write("Сколько порций? ");
                amount = int.Parse(Console.ReadLine());

                if (amount <= 0)
                {
                    Console.WriteLine("\nбольше 0");
                    Console.ReadLine();
                    return;
                }

                if (amount > available)
                {
                    Console.WriteLine("\nВ наличии только " + available + " шт");
                    Console.ReadLine();
                    return;
                }

                quantity[id] = available - amount;
                int total = amount * dishPrice;
                Console.WriteLine("\nЗаказ принят: " + dishName + " x" + amount + " = " + total + " rub");
                Console.WriteLine("Осталось: " + quantity[id] + " шт");
            }
            catch (FormatException e)
            {
                Console.WriteLine("FormatException");
                Console.WriteLine("Message:    " + e.Message);
                Console.WriteLine("Source:     " + e.Source);
                Console.WriteLine("TargetSite: " + e.TargetSite);
            }
            catch (IndexOutOfRangeException e)
            {
                Console.WriteLine("IndexOutOfRangeException");
                Console.WriteLine("Message:    " + e.Message);
                Console.WriteLine("Source:     " + e.Source);
                Console.WriteLine("TargetSite: " + e.TargetSite);
                Console.WriteLine("StackTrace: " + e.StackTrace);
            }

            Console.WriteLine("\nEnter для выхода...");
            Console.ReadLine();
        }
    }
}