Imports System.IO
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Imports System.Reflection

'''<summary>Diverse allgemeine Funktionen</summary>
'''<remarks>Diesee Klasse kapselt diverse, allgemeine Funktionen, welche aus
'''diversen anderen Klassen genutzt werden.$EOL$ 
'''<para>Die Instanzierung der Klasse erfolgt über das Module <see
'''cref="Globals">Globals.vb</see></para></remarks>
'''<seealso cref="Globals.DivFnkt">Globals.DivFnkt</seealso>
Public Class clsDivFnkt
    '''<summary>Generieren der EDOKA-DokumentID</summary>
    '''<remarks>Diese Methode generiert eine neue eindeutige, 22-stellige
    '''EDOKA-Dokumentid.   $EOL$
    '''<para>Die Letzte ziffer ist eine Prüfziffer</para></remarks>
    '''<returns>DokumentID für EDOKA</returns>
    '''<seealso
    '''cref="clsDivFnkt.Pruefziffer">Prüfziffer-Berechnung</seealso>
    Public Function Generate_Key() As String
        Dim dbkey As New edokadb.clsMyKey_Tabelle()
        Dim key As Long
        Dim skey As String
        Dim s As String
        dbkey.cpMainConnectionProvider = conn_edoka
        conn_edoka.OpenConnection()
        key = dbkey.get_dbkey("dokument")
        conn_edoka.CloseConnection(False)
        skey = "OFFEDK000"

        s = Str(Year(Now))
        While Microsoft.VisualBasic.Left(s, 1) = " "
            s = Microsoft.VisualBasic.Right(s, Len(s) - 1)
        End While
        skey = skey + s

        s = Str(key)
        While Microsoft.VisualBasic.Left(s, 1) = " "
            s = Microsoft.VisualBasic.Right(s, Len(s) - 1)
        End While

        While Len(s) < 8
            s = "0" + s
        End While
        skey = skey + s

        s = Pruefziffer(Microsoft.VisualBasic.Right(skey, 15))
        While Microsoft.VisualBasic.Left(s, 1) = " "
            s = Microsoft.VisualBasic.Right(s, Len(s) - 1)
        End While
        skey = skey + s
        Generate_Key = skey
    End Function

    '''<summary>Berechnung der Prüfziffer nach Modulo9/Rekursiv</summary>
    '''<param name="zahl">Dokumentid ohne Präfix</param>
    '''<returns>DokumentID ohne Präfix (OFFEDK) inkl. Prüfziffer</returns>
    '''<seealso cref="clsDivFnkt.Generate_Key">EDKB08.clsDivFnkt</seealso>
    Public Function Pruefziffer(ByVal zahl As String) As String
        Dim ptab(9, 9) As Integer
        Dim pz(9) As Integer
        Dim s1, s2, s3 As String

        Dim i1, i2 As Long

        s1 = "0,9,4,6,8,2,7,1,3,5"
        s2 = s1
        For i1 = 0 To 9
            For i2 = 0 To 9
                ptab(i1, i2) = Mid(s2, (i2 * 2) + 1, 1)
            Next
            s3 = Microsoft.VisualBasic.Left(s1, 1)
            s1 = Microsoft.VisualBasic.Right(s1, Len(s1) - 2)
            s1 = s1 + "," + s3
            s2 = s1
        Next
        pz(0) = 0
        pz(1) = 9
        pz(2) = 8
        pz(3) = 7
        pz(4) = 6
        pz(5) = 5
        pz(6) = 4
        pz(7) = 3
        pz(8) = 2
        pz(9) = 1

        Dim i, x, y As Integer
        y = 0
        For i = 1 To Len(zahl)
            x = Val(Mid(zahl, i, 1))
            y = ptab(x, y)
        Next
        Pruefziffer = Str(pz(y))
    End Function

    '''<summary>Dokumen in der EDOKA-Datenbank speichern</summary>
    '''<remarks>Die Funktion speichert ein Dokument des Filesystems in die
    '''EDOKA-Datenbank Tabelle DOKS</remarks>
    '''<param name="sDokumentID">DEDOKA-Dokumentid</param>
    '''<param name="sDokumentName">Origianl-Dokumentname (Fullpath)</param>
    '''<returns>True=Speichern erfolgreich, False=Speichern fehlgeschalgen</returns>
    Public Function Save_To_DB(ByVal sDokumentID As String, ByVal sDokumentName As String, ByVal barcodekleberdokument As Boolean) As Boolean
        Dim sqlstatement As String = "Select * from doks where dokumentid='" + sDokumentID + "'"
        If barcodekleberdokument = True Then
            Dim s As String
            s = sDokumentID
            s = s.Replace("OFFEDK", "EDKIMP")
            sqlstatement = "Select * from doks where dokumentid='" + s + "'"
        End If
        Try
            Dim Connection As New SqlConnection()
            '            Dim DA As New SqlDataAdapter("select * from doks where dokumentid='" + sDokumentID + "'", Connection)
            Dim DA As New SqlDataAdapter(sqlstatement, Connection)
            Dim cb As SqlCommandBuilder = New SqlCommandBuilder(DA)
            Dim ds As New DataSet()
            Dim fs As New FileStream(sDokumentName, FileMode.Open, FileAccess.Read)
            Dim mydata(fs.Length) As Byte
            Try
                fs.Read(mydata, 0, fs.Length)
                fs.Close()
                Connection.ConnectionString = Globals.sConnectionString_edoka
                Connection.Open()
                DA.Fill(ds, "docs")
                Dim myRow As DataRow
                If ds.Tables(0).Rows.Count = 0 Then
                    ' Neues Dokument speichern
                    myRow = ds.Tables(0).NewRow
                    myRow.Item(0) = sDokumentID
                    myRow.Item(1) = mydata
                    ds.Tables(0).Rows.Add(myRow)
                    DA.Update(ds, "docs")
                Else
                    'Bestehendes Dokument sichenr
                    myRow = ds.Tables(0).Rows(0)
                    myRow.Item(1) = mydata
                    DA.Update(ds, "docs")
                End If
                If Params.DeleteOriginalfiles = 1 Then
                    Try
                        File.SetAttributes(sDokumentName, FileAttributes.Normal)
                    Catch
                    End Try
                    Try
                        File.Delete(sDokumentName)
					Catch ex As Exception
						PrintOut("clsDivFnkt.Save_To_DB().2" + ex.Message, EventLogEntryType.Error)
					End Try
				End If
			Catch ex As Exception
				PrintOut("clsDivFnkt.Save_To_DB().0" + ex.Message, EventLogEntryType.Error)
				Return False
			End Try
			fs = Nothing
			cb = Nothing
			ds = Nothing
			DA = Nothing

			Connection.Close()
			Connection = Nothing
			Return True
		Catch EX As Exception
			PrintOut("clsDivFnkt.Save_To_DB().1" + ex.Message, EventLogEntryType.Error)
			Return False
        End Try
    End Function

    Public Function Save_Indexdata(ByVal jobid As Integer, ByVal datei As String) As Boolean
        Dim sqlstatement As String = "Select * from import_job where import_jobnr = " + LTrim(Str(jobid))
        Dim Connection As New SqlConnection()
        Dim DA As New SqlDataAdapter("Select * from import_job where import_jobnr = " + LTrim(Str(jobid)), Connection)
        Dim cb As SqlCommandBuilder = New SqlCommandBuilder(DA)
        Dim ds As New DataSet()
        Dim fs As New FileStream(datei, FileMode.Open, FileAccess.Read)
        Dim mydata(fs.Length) As Byte
        Try
            fs.Read(mydata, 0, fs.Length)
            fs.Close()
            Connection.ConnectionString = Globals.sConnectionString_journale
            Connection.Open()
            DA.Fill(ds, "docs")
            Dim myRow As DataRow
            'Bestehendes Dokument sichenr
            myRow = ds.Tables(0).Rows(0)
            myRow.Item(7) = mydata
            DA.Update(ds, "docs")
		Catch ex As Exception
			PrintOut("clsDivFnkt.Save_Indexdata()" + ex.Message, EventLogEntryType.Error)
			Return False
		Finally
			fs = Nothing
			cb = Nothing
			ds = Nothing
			DA = Nothing

			Connection.Close()
			Connection = Nothing
		End Try
    End Function


    Public Function ApplicationPath() As String
        'Return Path.GetDirectoryName([Assembly].GetExecutingAssembly().Location)
        Return Path.GetDirectoryName([Assembly].GetEntryAssembly().Location) + "\"
    End Function

End Class