' ******************************************************************************
' **
' ** Yahoo Finance Managed
' ** Written by Marius Häusler 2010
' ** 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 2010 Marius Häusler
' **
' ** 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.
' **
' ******************************************************************************
Namespace Finance
Friend Class FinanceHelper
Public Const NameOptionSymbol As String = "symbol"
Public Const NameOptionType As String = "type"
Public Const NameOptionLastPrice As String = "lastPrice"
Public Const NameOptionStrikePrice As String = "strikePrice"
Public Const NameOptionChange As String = "change"
Public Const NameOptionBid As String = "bid"
Public Const NameOptionAsk As String = "ask"
Public Const NameOptionVolume As String = "vol"
Public Const NameOptionOpenInterest As String = "openInt"
Public Const NameOptionChangeDir As String = "changeDir"
Public Const NameQuoteBaseID As String = "Symbol"
Public Const NameQuoteBaseLastTradePriceOnly As String = "LastTradePriceOnly"
Public Const NameQuoteBaseChange As String = "Change"
Public Const NameQuoteBaseOpen As String = "Open"
Public Const NameQuoteBaseDaysHigh As String = "DaysHigh"
Public Const NameQuoteBaseDaysLow As String = "DaysLow"
Public Const NameQuoteBaseVolume As String = "Volume"
Public Const NameQuoteBaseLastTradeDate As String = "LastTradeDate"
Public Const NameQuoteBaseLastTradeTime As String = "LastTradeTime"
Public Const NameHistQuoteDate As String = "Date"
Public Const NameHistQuoteOpen As String = "Open"
Public Const NameHistQuoteHigh As String = "High"
Public Const NameHistQuoteLow As String = "Low"
Public Const NameHistQuoteClose As String = "Close"
Public Const NameHistQuoteVolume As String = "Volume"
Public Const NameHistQuoteAdjClose As String = "AdjClose"
Public Const NameMarketName As String = "name"
Public Const NameIndustryID As String = "id"
Public Const NameCompanySymbol As String = "symbol"
Public Const NameCompanyCompanyName As String = "CompanyName"
Public Const NameCompanyStart As String = "start"
Public Const NameCompanyEnd As String = "end"
Public Const NameCompanySector As String = "Sector"
Public Const NameCompanyIndustry As String = "Industry"
Public Const NameCompanyFullTimeEmployees As String = "FullTimeEmployees"
Public Const NameCompanyNotAvailable As String = "NaN"
Private mDefaultCulture As New Globalization.CultureInfo("en-US")
Public ReadOnly Property DefaultYqlCulture() As Globalization.CultureInfo
Get
Return mDefaultCulture
End Get
End Property
Public Function IIDsToStrings(ByVal idList As IEnumerable(Of IID)) As String()
Dim lst As New List(Of String)
If idList IsNot Nothing Then
For Each id As IID In idList
If id IsNot Nothing AndAlso id.ID <> String.Empty Then lst.Add(id.ID)
Next
End If
Return lst.ToArray
End Function
Public Function SectorEnumToArray(ByVal values As IEnumerable(Of Sector)) As Sector()
Dim lst As New List(Of Sector)
If values IsNot Nothing Then
lst.AddRange(values)
End If
Return lst.ToArray
End Function
Public Function CleanIDfromAT(ByVal enm As IEnumerable(Of String)) As String()
If enm IsNot Nothing Then
Dim lst As New List(Of String)
For Each id In enm
lst.Add(id.Replace("@", ""))
Next
Return lst.ToArray
Else
Return Nothing
End If
End Function
Public Function CheckProperties(ByVal properties As IEnumerable(Of QuoteProperty)) As QuoteProperty()
Dim lst As New List(Of QuoteProperty)
If properties IsNot Nothing Then lst.AddRange(properties)
If lst.Count = 0 Then lst.AddRange(New QuoteProperty() {QuoteProperty.Symbol, QuoteProperty.Name, QuoteProperty.LastTradePriceOnly})
Return lst.ToArray
End Function
Public Function CheckPropertiesOfQuotesData(ByVal quotes As IEnumerable(Of QuoteData), ByVal properties As IEnumerable(Of QuoteProperty)) As QuoteProperty()
Dim lstProperties As New List(Of QuoteProperty)
If properties Is Nothing Then : Return GetAllActiveProperties(quotes)
Else
lstProperties.AddRange(properties)
If lstProperties.Count = 0 Then : Return GetAllActiveProperties(quotes)
Else : Return lstProperties.ToArray
End If
End If
End Function
Public Function GetAllActiveProperties(ByVal quotes As IEnumerable(Of QuoteData)) As QuoteProperty()
Dim lst As New List(Of QuoteProperty)
If quotes IsNot Nothing Then
For qp As QuoteProperty = 0 To QuoteProperty.YearRange
Dim valueIsNotNull As Boolean = False
For Each quote As QuoteData In quotes
If quote(qp) IsNot Nothing Then
valueIsNotNull = True
Exit For
End If
Next
If valueIsNotNull Then lst.Add(qp)
Next
End If
Return lst.ToArray
End Function
Public Function GetStringMillionFactor(ByVal s As String) As Double
If s.EndsWith("T"c) Then : Return 1 / 1000
ElseIf s.EndsWith("M"c) Then : Return 1
ElseIf s.EndsWith("B"c) Then : Return 1000
Else : Return 0
End If
End Function
Public Function GetMillionValue(ByVal s As String) As Double
Dim v As Double = 0
Double.TryParse(s.Substring(0, s.Length - 1), Globalization.NumberStyles.Any, mDefaultCulture, v)
Return v * Me.GetStringMillionFactor(s)
End Function
Public Function CleanTd(ByVal value As String) As String
Dim sb As New List(Of Char)
If value.Length > 0 Then
Dim allowCopy As Boolean = True
For i As Integer = 0 To value.Length - 1
If value(i) = "<"c Then : allowCopy = False
ElseIf value(i) = ">"c Then : allowCopy = True : Continue For
End If
If allowCopy Then sb.Add(value(i))
Next
End If
Return New String(sb.ToArray).Replace(" ", "")
End Function
Public Function ParseToDouble(ByVal s As String) As Double
Dim v As Double = 0
Double.TryParse(s.Replace("%", ""), Globalization.NumberStyles.Any, mDefaultCulture, v)
Return v
End Function
Public Function IsIsinValidFormatted(ByVal isin As String) As Boolean
If isin.Length = 11 Or isin.Length = 12 Then
If Char.IsLetter(isin(0)) And Char.IsLetter(isin(1)) Then
For i As Integer = 2 To 10
If Not Char.IsLetterOrDigit(isin(i)) Then Return False
Next
Return Not (isin.Length = 12 AndAlso Not Char.IsDigit(isin(11)))
End If
End If
Return False
End Function
Public Function YCurrencyIDFromString(ByVal id As String) As Support.YCurrencyID
Dim idStr As String = id.ToUpper
Dim regex As New System.Text.RegularExpressions.Regex("[A-Z][A-Z][A-Z][A-Z][A-Z][A-Z]=X")
If idStr.Length = 8 AndAlso regex.Match(idStr).Success Then
Dim base, dep As Currency
Dim baseStr As String = idStr.Substring(0, 3)
Dim depStr As String = idStr.Substring(3, 3)
For c As Currency = 0 To Currency.ZWD
If baseStr = c.ToString Then
base = c
baseStr = String.Empty
End If
If depStr = c.ToString Then
dep = c
depStr = String.Empty
End If
Next
If baseStr = String.Empty And depStr = String.Empty Then
Return New Support.YCurrencyID(base, dep)
Else
Return Nothing
End If
Else
Return Nothing
End If
End Function
Public Function GetChartImageSize(ByVal value As ChartImageSize) As String
Return value.ToString.Substring(0, 1).ToLower
End Function
Public Function GetChartTimeSpan(ByVal value As ChartTimeSpan) As String
If value = ChartTimeSpan.cMax Then : Return "my"
Else : Return value.ToString.Replace("c", "").ToLower
End If
End Function
Public Function GetChartType(ByVal value As ChartType) As String
Return value.ToString.Substring(0, 1).ToLower
End Function
Public Function GetChartScale(ByVal value As ChartScale) As String
If value = ChartScale.Arithmetic Then : Return "off"
Else : Return "on"
End If
End Function
Public Function GetMovingAverageInterval(ByVal value As MovingAverageInterval) As String
Return value.ToString.Replace("m", "")
End Function
Public Function GetTechnicalIndicatorsI(ByVal value As TechnicalIndicator) As String
Select Case value
Case TechnicalIndicator.Bollinger_Bands : Return value.ToString.Substring(0, 1).ToLower & ","c
Case TechnicalIndicator.Parabolic_SAR : Return value.ToString.Substring(0, 1).ToLower & ","c
Case TechnicalIndicator.Splits : Return value.ToString.Substring(0, 1).ToLower & ","c
Case TechnicalIndicator.Volume : Return value.ToString.Substring(0, 1).ToLower & ","c
Case Else : Return String.Empty
End Select
End Function
Public Function GetTechnicalIndicatorsII(ByVal value As TechnicalIndicator) As String
Select Case value
Case TechnicalIndicator.MACD : Return "m26-12-9,"
Case TechnicalIndicator.MFI : Return "f14,"
Case TechnicalIndicator.ROC : Return "p12,"
Case TechnicalIndicator.RSI : Return "r14,"
Case TechnicalIndicator.Slow_Stoch : Return "ss,"
Case TechnicalIndicator.Fast_Stoch : Return "fs,"
Case TechnicalIndicator.Vol : Return "v,"
Case TechnicalIndicator.Vol_MA : Return "vm,"
Case TechnicalIndicator.W_R : Return "w14,"
Case Else : Return String.Empty
End Select
End Function
Public Function GetHistQuotesInterval(ByVal item As HistQuotesInterval) As Char
Select Case item
Case HistQuotesInterval.Daily : Return "d"c
Case HistQuotesInterval.Weekly : Return "w"c
Case Else : Return "m"c
End Select
End Function
Public Function MarketQuotesRankingTypeString(ByVal rankedBy As MarketQuoteProperty) As String
Select Case rankedBy
Case MarketQuoteProperty.Name : Return "coname"
Case MarketQuoteProperty.DividendYieldPercent : Return "yie"
Case MarketQuoteProperty.LongTermDeptToEquity : Return "qto"
Case MarketQuoteProperty.MarketCapitalizationInMillion : Return "mkt"
Case MarketQuoteProperty.NetProfitMarginPercent : Return "qpm"
Case MarketQuoteProperty.OneDayPriceChangePercent : Return "pr1"
Case MarketQuoteProperty.PriceEarningsRatio : Return "pee"
Case MarketQuoteProperty.PriceToBookValue : Return "pri"
Case MarketQuoteProperty.PriceToFreeCashFlow : Return "prf"
Case MarketQuoteProperty.ReturnOnEquityPercent : Return "ttm"
Case Else : Return String.Empty
End Select
End Function
Public Function MarketQuotesRankingDirectionString(ByVal dir As System.ComponentModel.ListSortDirection) As String
If dir = ListSortDirection.Ascending Then : Return "u"c
Else : Return "d"c
End If
End Function
Public Function CsvQuotePropertyTags(ByVal properties() As QuoteProperty) As String
Dim symbols As New Text.StringBuilder
If properties IsNot Nothing AndAlso properties.Length > 0 Then
For Each qp As QuoteProperty In properties
Select Case qp
Case QuoteProperty.Ask : symbols.Append("a"c)
Case QuoteProperty.AverageDailyVolume : symbols.Append("a2")
Case QuoteProperty.AskSize : symbols.Append("a5")
Case QuoteProperty.Bid : symbols.Append("b"c)
Case QuoteProperty.AskRealtime : symbols.Append("b2")
Case QuoteProperty.BidRealtime : symbols.Append("b3")
Case QuoteProperty.BookValue : symbols.Append("b4")
Case QuoteProperty.BidSize : symbols.Append("b6")
Case QuoteProperty.Change_PercentChange : symbols.Append("c"c)
Case QuoteProperty.Change : symbols.Append("c1")
Case QuoteProperty.Commission : symbols.Append("c3")
Case QuoteProperty.ChangeRealtime : symbols.Append("c6")
Case QuoteProperty.AfterHoursChangeRealtime : symbols.Append("c8")
Case QuoteProperty.DividendShare : symbols.Append("d"c)
Case QuoteProperty.LastTradeDate : symbols.Append("d1")
Case QuoteProperty.TradeDate : symbols.Append("d2")
Case QuoteProperty.EarningsShare : symbols.Append("e"c)
Case QuoteProperty.EPSEstimateCurrentYear : symbols.Append("e7")
Case QuoteProperty.EPSEstimateNextYear : symbols.Append("e8")
Case QuoteProperty.EPSEstimateNextQuarter : symbols.Append("e9")
Case QuoteProperty.FloatShares : symbols.Append("f6")
Case QuoteProperty.DaysLow : symbols.Append("g"c)
Case QuoteProperty.DaysHigh : symbols.Append("h"c)
Case QuoteProperty.YearLow : symbols.Append("j"c)
Case QuoteProperty.YearHigh : symbols.Append("k"c)
Case QuoteProperty.HoldingsGainPercent : symbols.Append("g1")
Case QuoteProperty.AnnualizedGain : symbols.Append("g3")
Case QuoteProperty.HoldingsGain : symbols.Append("g4")
Case QuoteProperty.HoldingsGainPercentRealtime : symbols.Append("g5")
Case QuoteProperty.HoldingsGainRealtime : symbols.Append("g6")
Case QuoteProperty.MoreInfo : symbols.Append("i"c)
Case QuoteProperty.OrderBookRealtime : symbols.Append("i5")
Case QuoteProperty.MarketCapitalization : symbols.Append("j1")
Case QuoteProperty.MarketCapRealtime : symbols.Append("j3")
Case QuoteProperty.EBITDA : symbols.Append("j4")
Case QuoteProperty.ChangeFromYearLow : symbols.Append("j5")
Case QuoteProperty.PercentChangeFromYearLow : symbols.Append("j6")
Case QuoteProperty.LastTradeRealtimeWithTime : symbols.Append("k1")
Case QuoteProperty.ChangePercentRealtime : symbols.Append("k2")
Case QuoteProperty.LastTradeSize : symbols.Append("k3")
Case QuoteProperty.ChangeFromYearHigh : symbols.Append("k4")
Case QuoteProperty.PercebtChangeFromYearHigh : symbols.Append("k5")
Case QuoteProperty.LastTradeWithTime : symbols.Append("l"c)
Case QuoteProperty.LastTradePriceOnly : symbols.Append("l1")
Case QuoteProperty.HighLimit : symbols.Append("l2")
Case QuoteProperty.LowLimit : symbols.Append("l3")
Case QuoteProperty.DaysRange : symbols.Append("m"c)
Case QuoteProperty.DaysRangeRealtime : symbols.Append("m2")
Case QuoteProperty.FiftydayMovingAverage : symbols.Append("m3")
Case QuoteProperty.TwoHundreddayMovingAverage : symbols.Append("m4")
Case QuoteProperty.ChangeFromTwoHundreddayMovingAverage : symbols.Append("m5")
Case QuoteProperty.PercentChangeFromTwoHundreddayMovingAverage : symbols.Append("m6")
Case QuoteProperty.ChangeFromFiftydayMovingAverage : symbols.Append("m7")
Case QuoteProperty.PercentChangeFromFiftydayMovingAverage : symbols.Append("m8")
Case QuoteProperty.Name : symbols.Append("n"c)
Case QuoteProperty.Notes : symbols.Append("n4")
Case QuoteProperty.Open : symbols.Append("o"c)
Case QuoteProperty.PreviousClose : symbols.Append("p"c)
Case QuoteProperty.PricePaid : symbols.Append("p1")
Case QuoteProperty.ChangeinPercent : symbols.Append("p2")
Case QuoteProperty.PriceSales : symbols.Append("p5")
Case QuoteProperty.PriceBook : symbols.Append("p6")
Case QuoteProperty.ExDividendDate : symbols.Append("q"c)
Case QuoteProperty.PERatio : symbols.Append("r"c)
Case QuoteProperty.DividendPayDate : symbols.Append("r1")
Case QuoteProperty.PERatioRealtime : symbols.Append("r2")
Case QuoteProperty.PEGRatio : symbols.Append("r5")
Case QuoteProperty.PriceEPSEstimateCurrentYear : symbols.Append("r6")
Case QuoteProperty.PriceEPSEstimateNextYear : symbols.Append("r7")
Case QuoteProperty.Symbol : symbols.Append("s"c)
Case QuoteProperty.SharesOwned : symbols.Append("s1")
Case QuoteProperty.ShortRatio : symbols.Append("s7")
Case QuoteProperty.LastTradeTime : symbols.Append("t1")
Case QuoteProperty.TradeLinks : symbols.Append("t6")
Case QuoteProperty.TickerTrend : symbols.Append("t7")
Case QuoteProperty.OneyrTargetPrice : symbols.Append("t8")
Case QuoteProperty.Volume : symbols.Append("v"c)
Case QuoteProperty.HoldingsValue : symbols.Append("v1")
Case QuoteProperty.HoldingsValueRealtime : symbols.Append("v7")
Case QuoteProperty.YearRange : symbols.Append("w")
Case QuoteProperty.DaysValueChange : symbols.Append("w1")
Case QuoteProperty.DaysValueChangeRealtime : symbols.Append("w4")
Case QuoteProperty.StockExchange : symbols.Append("x"c)
Case QuoteProperty.DividendYield : symbols.Append("y"c)
End Select
Next
End If
Return symbols.ToString
End Function
Public Function ServerToDelimiter(ByVal server As Server) As Char
If server = server.AustraliaAndNZ Or _
server = server.Canada Or _
server = server.HongKong Or _
server = server.India Or _
server = server.Korea Or _
server = server.Mexico Or _
server = server.Singapore Or _
server = server.UK Or _
server = server.USA Then
Return ","c
Else
Return ";"c
End If
End Function
Public Function ServerToCulture(ByVal server As Server) As Globalization.CultureInfo
If server = server.Argentina Or _
server = server.AustraliaAndNZ Or _
server = server.Brazil Or _
server = server.Canada Or _
server = server.HongKong Or _
server = server.India Or _
server = server.Korea Or _
server = server.Mexico Or _
server = server.Singapore Or _
server = server.UK Or _
server = server.USA Then
Return New Globalization.CultureInfo("en-US")
Else
Return New Globalization.CultureInfo("de-DE")
End If
End Function
End Class
End Namespace
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