Task - 43

using System;
using System.Collections.Generic;
using System.Linq;

namespace LinqTrain
{
    class Program
    {
        public static void Main()
        {
            int yearNow = 2000;
            List<Stew> stews = new List<Stew>();
            for (int i = 0; i < 60; i++)
            {
                stews.Add(new Stew());
                Console.WriteLine(stews[i].GetInfo(yearNow));
            }
            Console.ReadKey();
            Console.Clear();

            List<Stew> sortList = stews.Where(stew => stew.CheckFreshness(yearNow) == false).ToList<Stew>();
            Console.WriteLine($"Год сейчас - {yearNow} \nВывод просроченной тушенки");
            foreach (var stew in sortList)
            {
                Console.WriteLine(stew.GetInfo(yearNow));
            }
            Console.ReadKey();
        }
    }
    public static class RandomStatic
    {
        static private Random _rand = new Random();
        static public int GetNext(int min, int max)
        {
            return _rand.Next(min, max);
        }
    }
    public class Stew
    {
        public string Name { get; private set; }
        public int ProductionYear { get; private set; }
        public int ShelfLife { get; private set; }
        public Stew()
        {
            int index = RandomStatic.GetNext(0, 3);
            Name = new string[] { "Производитель 1", "Производитель 2", "Производитель 3" }[index];
            ProductionYear = new int[] { RandomStatic.GetNext(1970, 1975), RandomStatic.GetNext(1976, 1980), RandomStatic.GetNext(1980, 1985) }[index];
            ShelfLife = RandomStatic.GetNext(20, 35);
        }
        public bool CheckFreshness(int yearNow)
        {
            return ProductionYear + ShelfLife > yearNow;
        }
        public string GetInfo(int yearNow)
        {
            return $"{Name} - Произведена {ProductionYear} - срок годности {ShelfLife} - Истек {!CheckFreshness(yearNow)}";
        }
    }
}