// ******************************************************************************
// **
// ** Yahoo! Managed
// ** Written by Marius H�usler 2012
// ** It would be pleasant, if you contact me when you are using this code.
// ** Contact: YahooFinanceManaged@gmail.com
// ** Project Home: http://code.google.com/p/yahoo-finance-managed/
// **
// ******************************************************************************
// **
// ** Copyright 2012 Marius H�usler
// **
// ** Licensed under the Apache License, Version 2.0 (the "License");
// ** you may not use this file except in compliance with the License.
// ** You may obtain a copy of the License at
// **
// ** http://www.apache.org/licenses/LICENSE-2.0
// **
// ** Unless required by applicable law or agreed to in writing, software
// ** distributed under the License is distributed on an "AS IS" BASIS,
// ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// ** See the License for the specific language governing permissions and
// ** limitations under the License.
// **
// ******************************************************************************
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Net;
using MaasOne.Xml;
using MaasOne.Finance.YahooScreener;
using MaasOne.Finance.YahooScreener.Criterias;
using MaasOne.Finance.YahooFinance;
namespace MaasOne.Finance.YahooScreener
{
public partial class StockScreenerDownload : Base.DownloadClient<StockScreenerResult>
{
public StockScreenerDownloadSettings Settings { get { return (StockScreenerDownloadSettings)base.Settings; } set { base.SetSettings(value); } }
public StockScreenerDownload()
{
this.Settings = new StockScreenerDownloadSettings();
}
public void DownloadAsync(IEnumerable<StockCriteriaDefinition> criterias, object userArgs)
{
if (criterias == null)
throw new ArgumentNullException("criterias", "The criterias enumerable is null.");
base.DownloadAsync(new StockScreenerDownloadSettings() { Criterias = MyHelper.EnumToArray(criterias), Comparing = false }, userArgs);
}
public void DownloadAsync(IEnumerable<IID> ids, IEnumerable<StockCriteriaDefinition> criterias, object userArgs)
{
this.DownloadAsync(FinanceHelper.IIDsToStrings(ids), MyHelper.EnumToArray(criterias), userArgs);
}
public void DownloadAsync(IEnumerable<string> ids, IEnumerable<StockCriteriaDefinition> criterias, object userArgs)
{
if (criterias == null)
throw new ArgumentNullException("criterias", "The criterias enumerable is null.");
if (ids == null)
throw new ArgumentNullException("ids", "The ID Enumerable is null.");
List<string> strIDs = new List<string>(ids);
if (strIDs.Count == 0)
throw new ArgumentException("ids", "There must be minimum one ID available for downloading.");
base.DownloadAsync(new StockScreenerDownloadSettings() { IDs = strIDs.ToArray(), Criterias = MyHelper.EnumToArray(criterias), Comparing = true }, userArgs);
}
public void DownloadAsync(StockScreenerDownloadSettings settings, object userArgs)
{
base.DownloadAsync(settings, userArgs);
}
protected override StockScreenerResult ConvertResult(Base.ConnectionInfo connInfo, System.IO.Stream stream, Base.SettingsBase settings)
{
StockScreenerDownloadSettings set = (StockScreenerDownloadSettings)settings;
List<StockScreenerData> results = new List<StockScreenerData>();
string result = MyHelper.StreamToString(stream, set.TextEncoding);
List<string> lines = new List<string>(result.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries));
if (lines.Count > 0)
{
System.Globalization.CultureInfo convCulture = new System.Globalization.CultureInfo("en-US");
List<QuoteProperty> quoteProps = new List<QuoteProperty>();
List<StockScreenerProperty> screenerProps = new List<StockScreenerProperty>();
foreach (StockCriteriaDefinition crit in set.Criterias)
{
foreach (QuoteProperty qp in crit.ProvidedQuoteProperties)
{
if (!quoteProps.Contains(qp))
quoteProps.Add(qp);
}
foreach (StockScreenerProperty sp in crit.ProvidedScreenerProperties)
{
if (!screenerProps.Contains(sp))
screenerProps.Add(sp);
}
}
string[] propertySymbols = new string[-1 + 1];
string[] propertyNames = new string[-1 + 1];
int startIndex = 0;
if (!set.Comparing)
{
startIndex = 2;
propertySymbols = lines[0].Split('|');
propertyNames = lines[1].Split('|');
}
else
{
startIndex = 0;
List<string> lstSymbols = new List<string>();
lstSymbols.Add("");
lstSymbols.Add("");
lstSymbols.Add("b");
lstSymbols.Add("");
lstSymbols.Add("c");
lstSymbols.Add("8o");
lstSymbols.Add("9c");
lstSymbols.Add("9t");
foreach (StockCriteriaDefinition crt in set.Criterias)
{
if (crt.ProvidedQuoteProperties.Length > 5 | crt.ProvidedScreenerProperties.Length > 3)
{
lstSymbols.Add(crt.CriteriaTag);
}
}
propertySymbols = lstSymbols.ToArray();
List<string> lstNames = new List<string>();
lstNames.Add("Ticker");
lstNames.Add("Company Name");
lstNames.Add("Last Trade");
lstNames.Add("Trade Time");
lstNames.Add("Mkt Cap");
lstNames.Add("Return On Equity");
lstNames.Add("Return On Assets");
lstNames.Add("Forward PE");
foreach (StockCriteriaDefinition crt in set.Criterias)
{
if (crt.ProvidedQuoteProperties.Length > 5 | crt.ProvidedScreenerProperties.Length > 3)
{
switch (crt.CriteriaTag)
{
case "f":
case "g":
if (crt is PriceGainerLosersCriteria)
{
PriceGainerLosersCriteria mngCrt = (PriceGainerLosersCriteria)crt;
if (mngCrt.ValueRelativeTo == StockTradingAbsoluteTimePoint.TodaysOpen)
{
lstNames.Add("(open)");
}
else
{
lstNames.Add("(close)");
}
}
break;
case "h":
case "i":
if (crt is PriceMomentumCriteria)
{
PriceMomentumCriteria mngCrt = (PriceMomentumCriteria)crt;
lstNames.Add("(" + mngCrt.RelativeTimeSpanInMinutes.ToString().Replace("_", "") + "m)");
}
break;
default:
lstNames.Add("");
break;
}
}
}
propertyNames = lstNames.ToArray();
}
for (int i = startIndex; i <= lines.Count - 1; i++)
{
string[] values = lines[i].Split('|');
if (propertySymbols.Length >= 4 & values.Length == propertySymbols.Length & values.Length == propertyNames.Length)
{
string id = values[0];
string name = values[1];
double lastTradePriceOnly = 0;
double.TryParse(values[2], System.Globalization.NumberStyles.Any, convCulture, out lastTradePriceOnly);
DateTime tradeTime = new DateTime();
DateTime.TryParse(values[3], convCulture, System.Globalization.DateTimeStyles.None, out tradeTime);
tradeTime = tradeTime.AddHours(tradeTime.Hour).AddMinutes(tradeTime.Minute);
StockScreenerData res = new StockScreenerData(id, name, lastTradePriceOnly, tradeTime, quoteProps.ToArray(), screenerProps.ToArray());
if (values.Length >= 5)
{
for (int p = 4; p <= values.Length - 1; p++)
{
if (values[p] != string.Empty & values[p] != "N/A")
{
double dblValue = 0;
if (double.TryParse(values[p], System.Globalization.NumberStyles.Any, convCulture, out dblValue) || FinanceHelper.GetMillionValue(values[p]) != 0)
{
switch (propertySymbols[p])
{
case "c":
res[QuoteProperty.MarketCapitalization] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
//case "c":
//res.AdditionalValues[(int)StockScreenerProperty.RevenueEstimate_ThisYear] = dblValue;
//break;
case "8o":
res.AdditionalValues[(int)StockScreenerProperty.ReturnOnEquity] = dblValue;
break;
case "9c":
res.AdditionalValues[(int)StockScreenerProperty.ReturnOnAssets] = dblValue;
break;
case "9t":
res.AdditionalValues[(int)StockScreenerProperty.ForwardPriceToEarningsRatio] = dblValue;
break;
case "9o":
res.AdditionalValues[(int)StockScreenerProperty.NumberOfEmployees] = dblValue;
break;
case "f":
double absoluteChange = dblValue;
double absolutePreviousValue = res.LastTradePriceOnly - absoluteChange;
double changeInPercent = absoluteChange / absolutePreviousValue;
res[QuoteProperty.ChangeInPercent] = changeInPercent * 100;
res[QuoteProperty.Change] = absoluteChange;
if (propertyNames[p].EndsWith("(open)"))
{
res[QuoteProperty.Open] = absolutePreviousValue;
}
else
{
res[QuoteProperty.PreviousClose] = absolutePreviousValue;
}
break;
case "g":
changeInPercent = dblValue;
absolutePreviousValue = (res.LastTradePriceOnly / (100 + changeInPercent)) * 100;
absoluteChange = res.LastTradePriceOnly - absolutePreviousValue;
res[QuoteProperty.ChangeInPercent] = changeInPercent;
res[QuoteProperty.Change] = absoluteChange;
if (propertyNames[p].EndsWith("(open)"))
{
res[QuoteProperty.Open] = absolutePreviousValue;
}
else
{
res[QuoteProperty.PreviousClose] = absolutePreviousValue;
}
break;
case "h":
if (set.Criterias != null)
{
PriceMomentumCriteria context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is PriceMomentumCriteria && ((PriceMomentumCriteria)crit).PercentValues == false)
{
context = (PriceMomentumCriteria)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
if (propertyNames[p].EndsWith("(" + context.RelativeTimeSpanInMinutes.ToString().Replace("_", "") + "m)"))
{
TemporaryPriceChangeInfo info = new TemporaryPriceChangeInfo();
info.ChangeRelativeTimePoint = context.TimeSpanRelativeTo;
info.ChangeTimeSpan = context.RelativeTimeSpanInMinutes;
info.Change = dblValue * Convert.ToInt32((context.GainOrLoss == StockPriceChangeDirection.Gain ? 1 : -1));
info.ChangeInPercent = info.Change / (res.LastTradePriceOnly - info.Change);
res.TemporaryLimitedChange = info;
}
}
}
break;
case "i":
if (set.Criterias != null)
{
PriceMomentumCriteria context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is PriceMomentumCriteria && ((PriceMomentumCriteria)crit).PercentValues == true)
{
context = (PriceMomentumCriteria)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
if (propertyNames[p].EndsWith("(" + context.RelativeTimeSpanInMinutes.ToString().Replace("_", "") + "m)"))
{
TemporaryPriceChangeInfo info = new TemporaryPriceChangeInfo();
info.ChangeRelativeTimePoint = context.TimeSpanRelativeTo;
info.ChangeTimeSpan = context.RelativeTimeSpanInMinutes;
info.ChangeInPercent = dblValue * Convert.ToInt32((context.GainOrLoss == StockPriceChangeDirection.Gain ? 1 : -1));
info.Change = res.LastTradePriceOnly - ((res.LastTradePriceOnly / (100 + info.ChangeInPercent)) * 100);
res.TemporaryLimitedChange = info;
}
}
}
break;
case "j":
if (set.Criterias != null)
{
ExtremePriceCriteria context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is ExtremePriceCriteria && ((ExtremePriceCriteria)crit).PercentValues == false)
{
context = (ExtremePriceCriteria)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
absoluteChange = dblValue * Convert.ToInt32((context.LessGreater == LessGreater.Greater ? 1 : -1));
absolutePreviousValue = res.LastTradePriceOnly - absoluteChange;
changeInPercent = absoluteChange / absolutePreviousValue;
switch (context.ExtremeParameter)
{
case StockExtremeParameter.TodaysHigh:
res[QuoteProperty.DaysHigh] = absolutePreviousValue;
break;
case StockExtremeParameter.TodaysLow:
res[QuoteProperty.DaysLow] = absolutePreviousValue;
break;
case StockExtremeParameter.YearsHigh:
res[QuoteProperty.YearHigh] = absolutePreviousValue;
res[QuoteProperty.ChangeInPercentFromYearHigh] = changeInPercent;
res[QuoteProperty.ChangeFromYearHigh] = absoluteChange;
break;
case StockExtremeParameter.YearsLow:
res[QuoteProperty.YearLow] = absolutePreviousValue;
res[QuoteProperty.PercentChangeFromYearLow] = changeInPercent;
res[QuoteProperty.ChangeFromYearLow] = absoluteChange;
break;
}
}
}
break;
case "k":
if (set.Criterias != null)
{
ExtremePriceCriteria context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is ExtremePriceCriteria && ((ExtremePriceCriteria)crit).PercentValues == true)
{
context = (ExtremePriceCriteria)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
changeInPercent = dblValue * Convert.ToInt32((context.LessGreater == LessGreater.Greater ? 1 : -1));
absolutePreviousValue = (res.LastTradePriceOnly / (100 + changeInPercent)) * 100;
absoluteChange = res.LastTradePriceOnly - absolutePreviousValue;
switch (context.ExtremeParameter)
{
case StockExtremeParameter.TodaysHigh:
res[QuoteProperty.DaysHigh] = absolutePreviousValue;
break;
case StockExtremeParameter.TodaysLow:
res[QuoteProperty.DaysLow] = absolutePreviousValue;
break;
case StockExtremeParameter.YearsHigh:
res[QuoteProperty.YearHigh] = absolutePreviousValue;
res[QuoteProperty.ChangeInPercentFromYearHigh] = changeInPercent;
res[QuoteProperty.ChangeFromYearHigh] = absoluteChange;
break;
case StockExtremeParameter.YearsLow:
res[QuoteProperty.YearLow] = absolutePreviousValue;
res[QuoteProperty.PercentChangeFromYearLow] = changeInPercent;
res[QuoteProperty.ChangeFromYearLow] = absoluteChange;
break;
}
}
}
break;
case "l":
if (set.Criterias != null)
{
GapVsPreviousClose context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is GapVsPreviousClose && ((GapVsPreviousClose)crit).PercentValues == false)
{
context = (GapVsPreviousClose)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
res.AdditionalValues[(int)StockScreenerProperty.Gap] = dblValue;
}
}
break;
case "m":
if (set.Criterias != null)
{
GapVsPreviousClose context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is GapVsPreviousClose && ((GapVsPreviousClose)crit).PercentValues == true)
{
context = (GapVsPreviousClose)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
res.AdditionalValues[(int)StockScreenerProperty.GapInPercent] = dblValue;
}
}
break;
case "o":
if (set.Criterias != null)
{
PriceToMovingAverageRatioCriteria context = null;
foreach (StockCriteriaDefinition crit in set.Criterias)
{
if (crit != null && crit is PriceToMovingAverageRatioCriteria)
{
context = (PriceToMovingAverageRatioCriteria)crit;
break; // TODO: might not be correct. Was : Exit For
}
}
if (context != null)
{
changeInPercent = dblValue;
double maValue = (dblValue / (100 + changeInPercent)) * 100;
absoluteChange = res.LastTradePriceOnly - maValue;
if (context.MovingAverage == MovingAverageType.FiftyDays)
{
res[QuoteProperty.FiftydayMovingAverage] = maValue;
res[QuoteProperty.ChangeFromFiftydayMovingAverage] = absoluteChange;
res[QuoteProperty.PercentChangeFromFiftydayMovingAverage] = changeInPercent;
}
else
{
res[QuoteProperty.TwoHundreddayMovingAverage] = maValue;
res[QuoteProperty.ChangeFromTwoHundreddayMovingAverage] = absoluteChange;
res[QuoteProperty.PercentChangeFromTwoHundreddayMovingAverage] = changeInPercent;
}
}
}
break;
case "7":
res.AdditionalValues[(int)StockScreenerProperty.Beta] = dblValue;
break;
case "v":
res[QuoteProperty.PriceSales] = dblValue;
break;
case "e":
res.AdditionalValues[(int)StockScreenerProperty.PriceEarningsRatio] = dblValue;
break;
case "u":
res[QuoteProperty.PEGRatio] = dblValue;
break;
case "9p":
res.AdditionalValues[(int)StockScreenerProperty.EntityValue] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "9q":
res.AdditionalValues[(int)StockScreenerProperty.EntityValueToRevenueRatio] = dblValue;
break;
case "9r":
res.AdditionalValues[(int)StockScreenerProperty.EntityValueToOperatingCashFlowRatio] = dblValue;
break;
case "9s":
res.AdditionalValues[(int)StockScreenerProperty.EntityValueToFreeCashFlowRatio] = dblValue;
break;
case "x":
res[QuoteProperty.EPSEstimateNextQuarter] = dblValue;
break;
case "y":
res[QuoteProperty.EPSEstimateCurrentYear] = dblValue;
break;
case "z":
res[QuoteProperty.EPSEstimateNextYear] = dblValue;
break;
case "8e":
res.AdditionalValues[(int)StockScreenerProperty.EPS_NYCE] = dblValue;
break;
case "9v":
res.AdditionalValues[(int)StockScreenerProperty.SalesGrowthEstimate_ThisQuarter] = dblValue;
break;
case "8h":
res.AdditionalValues[(int)StockScreenerProperty.EarningsGrowthEstimate_ThisYear] = dblValue;
break;
case "9b":
res.AdditionalValues[(int)StockScreenerProperty.EarningsGrowthEstimate_NextYear] = dblValue;
break;
case "9u":
res.AdditionalValues[(int)StockScreenerProperty.EarningsGrowthEstimate_Next5Years] = dblValue;
break;
case "1":
res.AdditionalValues[(int)StockScreenerProperty.SharesOutstanding] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "2":
res[QuoteProperty.SharesFloat] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "3":
res[QuoteProperty.ShortRatio] = dblValue;
break;
case "8g":
res.AdditionalValues[(int)StockScreenerProperty.SharesShortPriorMonth] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8m":
res.AdditionalValues[(int)StockScreenerProperty.SharesShort] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "9d":
res.AdditionalValues[(int)StockScreenerProperty.HeldByInsiders] = dblValue;
break;
case "9n":
res.AdditionalValues[(int)StockScreenerProperty.HeldByInstitutions] = dblValue;
break;
case "4":
res[QuoteProperty.TrailingAnnualDividendYield] = dblValue;
break;
case "5":
res[QuoteProperty.TrailingAnnualDividendYieldInPercent] = dblValue;
break;
case "8a":
res.AdditionalValues[(int)StockScreenerProperty.OperatingMargin] = dblValue;
break;
case "8r":
res.AdditionalValues[(int)StockScreenerProperty.ProfitMargin_ttm] = dblValue;
break;
case "9f":
res.AdditionalValues[(int)StockScreenerProperty.EBITDAMargin_ttm] = dblValue;
break;
case "9k":
res.AdditionalValues[(int)StockScreenerProperty.GrossMargin_ttm] = dblValue;
break;
case "8f":
res[QuoteProperty.PriceBook] = dblValue;
break;
//case "8f":
//res.AdditionalValues[(int)StockScreenerProperty.CashPerShare] = dblValue;
//break;
case "8l":
res.AdditionalValues[(int)StockScreenerProperty.TotalCash] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "6":
res[QuoteProperty.BookValuePerShare] = dblValue;
break;
case "9e":
res.AdditionalValues[(int)StockScreenerProperty.TotalDebt] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "9g":
res.AdditionalValues[(int)StockScreenerProperty.TotalDebtToEquityRatio] = dblValue;
break;
case "9h":
res.AdditionalValues[(int)StockScreenerProperty.CurrentRatio] = dblValue;
break;
case "9i":
res.AdditionalValues[(int)StockScreenerProperty.LongTermDebtToEquityRatio] = dblValue;
break;
case "9l":
res.AdditionalValues[(int)StockScreenerProperty.QuickRatio] = dblValue;
break;
case "w":
res[QuoteProperty.DilutedEPS] = dblValue;
break;
case "8i":
res.AdditionalValues[(int)StockScreenerProperty.EPS_mrq] = dblValue;
break;
case "0":
res.AdditionalValues[(int)StockScreenerProperty.Sales_ttm] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "t":
res[QuoteProperty.EBITDA] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8n":
res.AdditionalValues[(int)StockScreenerProperty.GrossProfit] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8p":
res.AdditionalValues[(int)StockScreenerProperty.NetIncome] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "9j":
res.AdditionalValues[(int)StockScreenerProperty.OperatingIncome] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8v":
res.AdditionalValues[(int)StockScreenerProperty.EarningsGrowth_Past5Years] = dblValue;
break;
case "9a":
res.AdditionalValues[(int)StockScreenerProperty.RevenueEstimate_ThisQuarter] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8q":
res.AdditionalValues[(int)StockScreenerProperty.RevenueEstimate_NextQuarter] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8s":
res.AdditionalValues[(int)StockScreenerProperty.SalesGrowthEstimate_NextQuarter] = dblValue;
break;
case "8t":
res.AdditionalValues[(int)StockScreenerProperty.SalesGrowthEstimate_ThisYear] = dblValue;
break;
case "8k":
res.AdditionalValues[(int)StockScreenerProperty.SalesGrowthEstimate_NextYear] = dblValue;
break;
case "8y":
res.AdditionalValues[(int)StockScreenerProperty.FreeCashFlow] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
case "8z":
res.AdditionalValues[(int)StockScreenerProperty.OperatingCashFlow] = Convert.ToInt64(FinanceHelper.GetMillionValue(values[p]) * (Math.Pow(10, 6)));
break;
}
}
}
}
}
results.Add(res);
}
}
}
return new StockScreenerResult(results.ToArray());
}
}
public class StockScreenerResult
{
private StockScreenerData[] mItems = null;
public StockScreenerData[] Items
{
get { return mItems; }
}
internal StockScreenerResult(StockScreenerData[] items)
{
mItems = items;
}
}
public class StockScreenerData : QuotesData
{
private QuoteProperty[] mProvidedQuoteProperties = null;
private StockScreenerProperty[] mProvidedScreenerProperties = null;
public TemporaryPriceChangeInfo TemporaryLimitedChange { get; set; }
public QuoteProperty[] ProvidedQuoteProperties
{
get { return mProvidedQuoteProperties; }
}
public StockScreenerProperty[] ProvidedScreenerProperties
{
get { return mProvidedScreenerProperties; }
}
private Nullable<double>[] mAdditionalValues = new Nullable<double>[48];
/// <summary>
/// All additional values for StockScreenerData
/// </summary>
/// <value></value>
/// <returns></returns>
/// <remarks></remarks>
public Nullable<double>[] AdditionalValues
{
get { return mAdditionalValues; }
}
/// <summary>
/// A specific additional value for StockScreenerData
/// </summary>
/// <param name="prp"></param>
/// <value></value>
/// <returns></returns>
/// <remarks></remarks>
public Nullable<double> GetAdditionalValues(StockScreenerProperty prp)
{
return mAdditionalValues[Convert.ToInt32(prp)];
}
public void SetAdditionalValues(StockScreenerProperty prp, Nullable<double> value)
{
mAdditionalValues[Convert.ToInt32(prp)] = value;
}
public StockScreenerData(QuoteProperty[] qProps, StockScreenerProperty[] sProps)
{
mProvidedQuoteProperties = qProps;
mProvidedScreenerProperties = sProps;
}
public StockScreenerData(string id, string name, double lastTradePriceOnly, DateTime lastTradeTime, QuoteProperty[] qProps, StockScreenerProperty[] sProps)
: this(qProps, sProps)
{
base[QuoteProperty.Symbol] = id;
base[QuoteProperty.Name] = name;
base[QuoteProperty.LastTradePriceOnly] = lastTradePriceOnly;
base[QuoteProperty.LastTradeTime] = lastTradeTime;
}
}
/// <summary>
/// Class for describing a value change in a specific time span relative to a specific time point
/// </summary>
/// <remarks></remarks>
public class TemporaryPriceChangeInfo
{
public double Change { get; set; }
public double ChangeInPercent { get; set; }
public StockTradingTimeSpan ChangeTimeSpan { get; set; }
public StockTradingRelativeTimePoint ChangeRelativeTimePoint { get; set; }
}
public class StockScreenerDownloadSettings : Base.SettingsBase, ITextEncodingSettings
{
public System.Text.Encoding TextEncoding { get; set; }
public bool IgnoreInvalidCriterias { get; set; }
public StockCriteriaDefinition[] Criterias { get; set; }
public string[] IDs { get; set; }
internal bool Comparing = false;
public StockScreenerDownloadSettings()
{
this.TextEncoding = System.Text.Encoding.UTF8;
this.Criterias = new StockCriteriaDefinition[] { };
this.IDs = new string[] { };
}
protected override string GetUrl()
{
if (this.IDs != null && this.IDs.Length > 0)
{
return this.DownloadUrl(this.IDs, this.Criterias);
}
else
{
return this.DownloadUrl(this.Criterias);
}
}
private string DownloadUrl(IEnumerable<StockCriteriaDefinition> criterias)
{
List<string> tags = new List<string>();
foreach (StockCriteriaDefinition crit in criterias)
{
if (tags.Contains(crit.CriteriaTag))
{
throw new NotSupportedException("Multiple criterias of same type (except percent/no percent difference) are not supported.");
}
else
{
tags.Add(crit.CriteriaTag);
}
}
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("http://reports.finance.yahoo.com/wr?a0=2.0");
foreach (StockCriteriaDefinition crit in criterias)
{
if (crit != null && crit.IsValid)
{
sb.Append(crit.CriteriaParameter());
}
else
{
if (!this.IgnoreInvalidCriterias)
{
throw new NotSupportedException("Invalid criterias will not be supported. Check out the values of your passed criterias for null values.");
}
}
}
sb.Append("&ln=-1");
return sb.ToString();
}
private string DownloadUrl(string[] ids, IEnumerable<StockCriteriaDefinition> criterias)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder(this.DownloadUrl(criterias));
sb.Replace("&ln=-1", "");
sb.Append("&9w=");
foreach (string id in ids)
{
sb.Append(FinanceHelper.CleanIndexID(id).ToUpper() + "_");
}
sb.Remove(sb.Length - 1, 1);
return sb.ToString();
}
public override object Clone()
{
return new StockScreenerDownloadSettings() { Criterias = (StockCriteriaDefinition[])this.Criterias.Clone(), IDs = (string[])this.IDs.Clone() };
}
}
}
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