--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MetroWpf/FxRates.Service/PriceFactory.cs	Tue Mar 20 20:18:35 2012 +0000
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using FxRates.Common;
+
+namespace FxRates.Service
+{
+  class PriceFactory
+  {
+    private int _numberOfCcys;
+
+    public PriceFactory()
+    {
+      _numberOfCcys = (int) Enum.GetValues(typeof(Ccy)).Cast<Ccy>().Max() + 1;
+    }
+
+    public readonly List<FxRate> CurrentPrices = new List<FxRate>
+      {
+          FxRate.Create(Ccy.AUDtoUSD, (decimal) 1.0724, (decimal) 1.0731, DateTime.Now),
+          FxRate.Create(Ccy.EURtoCHF, (decimal) 1.2075, (decimal) 1.2094, DateTime.Now),
+          FxRate.Create(Ccy.EURtoGBP, (decimal) 0.8375, (decimal) 0.8401, DateTime.Now),
+          FxRate.Create(Ccy.EURtoJPY, (decimal) 103.2930, (decimal) 103.3180, DateTime.Now),
+          FxRate.Create(Ccy.EURtoUSD, (decimal) 1.3154, (decimal) 1.3276, DateTime.Now),
+          FxRate.Create(Ccy.GBPtoJPY, (decimal) 123.3250, (decimal) 123.3350, DateTime.Now),
+          FxRate.Create(Ccy.GBPtoUSD, (decimal) 1.5707, (decimal) 1.5723, DateTime.Now),
+          FxRate.Create(Ccy.USDtoCAD, (decimal) 0.9974, (decimal) 0.9999, DateTime.Now),
+          FxRate.Create(Ccy.USDtoCHF, (decimal) 0.9179, (decimal) 0.9191, DateTime.Now),
+          FxRate.Create(Ccy.USDtoJPY, (decimal) 78.5090, (decimal) 78.5187, DateTime.Now)
+      };
+
+    public FxRate GetNextPrice()
+    {
+      Random random = new Random();
+      
+      var ccyIndex = random.Next(0, _numberOfCcys);
+      var rate = CurrentPrices[ccyIndex];
+
+      int randomSpread = random.Next(-100, 100);
+      decimal deltaPercentage = (decimal) randomSpread / 10000;
+      if (deltaPercentage != 0)
+      {
+        var bid = Math.Round(rate.Bid * (1 + deltaPercentage), 4);
+        var offer = Math.Round(rate.Offer * (1 + deltaPercentage), 4);
+        rate.UpdatePrice(bid, offer, DateTime.Now);
+      }
+      return rate;
+    }
+  }
+}