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1 using System;
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2 using System.Collections.Generic;
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3 using Stocks.Common;
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4 using Stocks.Common.Core;
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5 using Stocks.Common.Models;
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6 using Newtonsoft.Json;
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7
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8 namespace Stocks.Common
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9 {
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10 public class ConfigurationService : IConfigurationService
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11 {
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12 private string jsonFilename;
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13 private string serviceUrlPrefix = "http://finance.yahoo.com/d/quotes.csv?s=";
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14 private string serviceUrlSuffix = "&f=snl1";
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15
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16 public ConfigurationService(string filename)
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17 {
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18 jsonFilename = filename;
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19 }
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20 public List<Company> GetCompanies()
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21 {
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22 return new FileSerializer().DeserializeJson<Company>(jsonFilename);
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23 }
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24
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25 public string GetServiceUrl(string symbolCsv)
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26 {
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27 if (string.IsNullOrEmpty(symbolCsv))
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28 throw new ArgumentException();
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29
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30 return string.Concat(serviceUrlPrefix, symbolCsv, serviceUrlSuffix);
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31 }
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32
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33 public string GetServiceUrl(string[] symbols)
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34 {
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35 if (symbols == null || symbols.Length == 0)
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36 throw new ArgumentException();
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37
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38 var symbolCsv = string.Join(",", symbols);
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39 return GetServiceUrl(symbolCsv);
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40 }
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41 }
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42 } |
