using System;

using System.Linq;

using System.Collections.Generic;       

​

public class Program

{

    /*

    The below objects are created to define an object.

    This should be moved into a models folder and each having their own object definition.

    Logic has been added to this for convenience

    */

    public class PricingBrochure

    {

        public string BrochureName {get; set;}

        public DateTime ApplicableFrom {get; set;}

        public int YearOffset {get; set;}

        public PricingBrochure(string brochure, DateTime dateFrom, int offset)

        {

            this.BrochureName = brochure;

            this.ApplicableFrom = dateFrom;

            this.YearOffset = offset;

        }   

        public PricingBrochure()

        {

        }

        public List<PricingBrochure> GenerateTestBrochures()

        {

            List<PricingBrochure> retVal = new List<PricingBrochure>();

            retVal.Add(new PricingBrochure("January 2020", new DateTime(2020, 01, 01), 200));

            retVal.Add(new PricingBrochure("July 2020", new DateTime(2020, 07, 01), 210));

            retVal.Add(new PricingBrochure("January 2021", new DateTime(2021, 01, 01), 220));

            retVal.Add(new PricingBrochure("July 2021", new DateTime(2021, 07, 01), 230));

            retVal.Add(new PricingBrochure("January 2022", new DateTime(2022, 01, 01), 240));

            retVal.Add(new PricingBrochure("July 2022", new DateTime(2022, 07, 01), 250));      

            return retVal;

        }

    }

    public class Order

    {

        //In actual code, this model will have more properties. But for the sake of this test weve just used the below

        public int OrderID {get; set;}

        public DateTime SoldDate {get; set;}

        public Order(int orderID, DateTime soldDate)

        {

            this.OrderID = orderID;

            this.SoldDate = soldDate;

        }

        public Order()

        {

        }

        public List<Order> GenerateTestOrders(int quantity)

        {

            List<Order> retVal = new List<Order>();

            Random rand = new Random();

            for(int i = 0; i < quantity; i++){

                retVal.Add(new Order(rand.Next(1000000, 1999999), DateTime.Now.AddDays(-1 * rand.Next(1, 730))));

            }

            return retVal;

        }

    }

    public static void Main()

    {

        //Init objects

        PricingBrochure pb = new PricingBrochure();

        Order o = new Order();

        //Generate sample lists

        List<PricingBrochure> pbList = pb.GenerateTestBrochures();

        List<Order> oList = o.GenerateTestOrders(1000);

        //Output strings. 

        oList.ForEach(x => Console.WriteLine(x.OrderID.ToString() + " | " + x.SoldDate.ToShortDateString()));

        Console.WriteLine("Completed");

    }

}