Mini Kabibi Habibi

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net;
using System.Xml.Linq;
using System.Web.SessionState;
using System.ComponentModel;
using System.Globalization;
using System.IO;

public partial class MarketWidget {
    static string SessionKey = "MarketWidget_Quotes";
    static string[] Symbols = new string[] { "MSFT", "CSCO", "GOOG", "AAPL", "ORCL", "YHOO", "EBAY", "INTC" };
    static Random random;

    public static BindingList<StockQuote> SelectQuotes() {
        return new BindingList<StockQuote>(Quotes);
    }

    static HttpSessionState Session { get { return HttpContext.Current.Session; } }
    static Random Random {
        get {
            if(random == null)
                random = new Random();
            return random;
        }
    }
    static List<StockQuote> Quotes {
        get {
            if(Session[SessionKey] == null) {
                Session[SessionKey] = LoadActualQuotes();
                RandomizeQuotes();
            }
            return (List<StockQuote>)Session[SessionKey];
        }
    }

    static List<StockQuote> LoadActualQuotes() {
        var quotes = new List<StockQuote>();
        var soapClient = new Client();
        foreach(var symbol in Symbols) {
            string data = GetServiceResponse(soapClient, symbol);
            var quote = new StockQuote(data);
            quotes.Add(quote);
        }
        return quotes;
    }

    static string GetServiceResponse(Client client, string symbol) {
        string respone = null;
        //try {
        //    respone = client.GetQuote(symbol); // request to the real web service
        //}
        //catch { }
        if(!string.IsNullOrEmpty(respone))
            return respone;
        return File.ReadAllText(HttpContext.Current.Server.MapPath(string.Format("~/App_Data/off_Market_{0}.xml", symbol)));
    }

    static void RandomizeQuotes() {
        foreach(var quote in Quotes) {
            var change = (decimal)Random.NextDouble() * (decimal)Random.Next(-1, 2);
            quote.PercentChange = change == 0 ? (decimal)0.05 : change;
            quote.Last = quote.Previous + quote.Previous * quote.PercentChange / 100;

            for(int i = 0; i < 7; i++) {
                var ptChange = (decimal)Random.NextDouble() * (decimal)Random.Next(-1, 2) / 20;
                var lastValue = quote.Points.Last().Value;
                quote.Points.Add(new StockQuotePoint(quote.Points.Count, lastValue + lastValue * ptChange));
            }
        }
    }
}

public class StockQuote {
    public StockQuote(string data) {
        var xdoc = XDocument.Parse(data);
        var stockElement = xdoc.Root.Element("Stock");
        Symbol = stockElement.Element("Symbol").Value;
        Previous = decimal.Parse(stockElement.Element("Last").Value, new CultureInfo("en-US"));
        Last = Previous;
        StockDate = DateTime.Now;
        Name = stockElement.Element("Name").Value;
        Points = new List<StockQuotePoint>(new StockQuotePoint[] { new StockQuotePoint(0, Last), new StockQuotePoint(1, Previous) });
    }

    public string Symbol { get; set; }
    public decimal Last { get; set; }
    public decimal Previous { get; set; }
    public decimal PercentChange { get; set; }
    public DateTime StockDate { get; set; }
    public string Name { get; set; }
    public string ChangeState {
        get {
            return PercentChange > 0 ? "positive" :
                PercentChange < 0 ? "negative" :
                "const";
        }
    }
    public List<StockQuotePoint> Points { get; protected set; }
    public BindingList<StockQuotePoint> PointsList { get { return new BindingList<StockQuotePoint>(Points); } }
    public override string ToString() {
        return Symbol;
    }
}
public class StockQuotePoint {
    public StockQuotePoint(int number, decimal value) {
        Number = number;
        Value = value;
    }
    public decimal Value { get; set; }
    public int Number { get; set; }
}