Portfolio Tracker in C#

Attention.md

Portfolio Tracker (C#)

• Track individual stocks worth and
• Net worth of the portfolio.

Pre-Requisites

• It requires JSON.NET. You can download it from http://www.newtonsoft.com/json
• If you are within a proxy, you can do it programmatically like this:

  System.Net.WebRequest.DefaultWebProxy = new WebProxy(ip,port); 
  

NationalStockService.cs

using System.Net;
using Newtonsoft.Json.Linq;

namespace Com.Tsys.Trading
{
    public class NationalStockService
    {
        private void BypassAllCertificates()
        {
            ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain,error) => true;
        }

        public virtual double GetPrice(string ticker)
        {
            using (WebClient wc = new WebClient())
            {
                BypassAllCertificates();
                var url = string.Format("https://national-stock-service.herokuapp.com/stocks/{0}", ticker);
                var json = wc.DownloadString(url);
                JObject stockDetails = JObject.Parse(json);
                return stockDetails["price"].ToObject<double>();            }
        }
    }
}

Portfolio.cs

using System.Collections.Generic;

namespace Com.Tsys.Trading
{
    public class Portfolio
    {
        private NationalStockService stockService;

        public Portfolio()
        {
            stockService = new NationalStockService();
        }

        public IList<double> Track(params string[] tickers)
        {
            IList<double> prices = new List<double>();
            foreach (string ticker in tickers)
            {
                prices.Add(stockService.GetPrice(ticker));
            }
            return prices;
        }
    }
}

PortfolioRunner.cs

using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Com.Tsys.Trading
{
  public class PortfolioRunner
  {
    public static void Main(string[] args)
    {
      Portfolio portfolio = new Portfolio();
      IList<double> prices = portfolio.Track("GOOG", "AAPL", "AMZN");
      foreach (double price in prices)
      {
        Console.WriteLine(price);
      }
    }
  }
}