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comparison MetroWpf/FxRates.Service/PriceFactory.cs @ 24:a8b50a087544

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Stocks and FxRates working, new menu introduced. Working nicely so far
author adminsh@apollo
date Tue, 20 Mar 2012 20:18:35 +0000
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23:399398841fd0 24:a8b50a087544
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using FxRates.Common;
5
6 namespace FxRates.Service
7 {
8 class PriceFactory
9 {
10 private int _numberOfCcys;
11
12 public PriceFactory()
13 {
14 _numberOfCcys = (int) Enum.GetValues(typeof(Ccy)).Cast<Ccy>().Max() + 1;
15 }
16
17 public readonly List<FxRate> CurrentPrices = new List<FxRate>
18 {
19 FxRate.Create(Ccy.AUDtoUSD, (decimal) 1.0724, (decimal) 1.0731, DateTime.Now),
20 FxRate.Create(Ccy.EURtoCHF, (decimal) 1.2075, (decimal) 1.2094, DateTime.Now),
21 FxRate.Create(Ccy.EURtoGBP, (decimal) 0.8375, (decimal) 0.8401, DateTime.Now),
22 FxRate.Create(Ccy.EURtoJPY, (decimal) 103.2930, (decimal) 103.3180, DateTime.Now),
23 FxRate.Create(Ccy.EURtoUSD, (decimal) 1.3154, (decimal) 1.3276, DateTime.Now),
24 FxRate.Create(Ccy.GBPtoJPY, (decimal) 123.3250, (decimal) 123.3350, DateTime.Now),
25 FxRate.Create(Ccy.GBPtoUSD, (decimal) 1.5707, (decimal) 1.5723, DateTime.Now),
26 FxRate.Create(Ccy.USDtoCAD, (decimal) 0.9974, (decimal) 0.9999, DateTime.Now),
27 FxRate.Create(Ccy.USDtoCHF, (decimal) 0.9179, (decimal) 0.9191, DateTime.Now),
28 FxRate.Create(Ccy.USDtoJPY, (decimal) 78.5090, (decimal) 78.5187, DateTime.Now)
29 };
30
31 public FxRate GetNextPrice()
32 {
33 Random random = new Random();
34
35 var ccyIndex = random.Next(0, _numberOfCcys);
36 var rate = CurrentPrices[ccyIndex];
37
38 int randomSpread = random.Next(-100, 100);
39 decimal deltaPercentage = (decimal) randomSpread / 10000;
40 if (deltaPercentage != 0)
41 {
42 var bid = Math.Round(rate.Bid * (1 + deltaPercentage), 4);
43 var offer = Math.Round(rate.Offer * (1 + deltaPercentage), 4);
44 rate.UpdatePrice(bid, offer, DateTime.Now);
45 }
46 return rate;
47 }
48 }
49 }