Imports System
Imports System.Data
Imports System.IO
Imports System.Text
Imports System.Xml
Imports System.Xml.Xsl
Imports System.Threading
'Imports CrystalDecisions.CrystalReports.Engine
'Imports CrystalDecisions.Shared

'''<summary>Funktionen für den Export der Journaldaten</summary>
Public Class Export

    Dim filename As String
    '''<summary>Auswertung erstellen und ggf. mittels DTO versenden</summary>
    '''<param name="dt">Datentabelle mit den Auswertungsdaten der Applikation</param>
    '''<param name="format">Format der Auswertung (txt, csv, xls, doc, pdf,
    '''xml)</param>
    Public Function Create_Report(ByVal dt As DataTable, ByVal format As String, ByVal Applikation As String) As String
        Try
            filename = Params.TempPfad + Applikation + "_" + Microsoft.VisualBasic.Format(Now, "yyyyMMddHHmmss") + "_EDKB08_Log"
            Select Case UCase(format)
                Case "PDF"
                    filename = filename + ".pdf"
                    'CR_Report(dt, format) 20140204 MNK Ausbau CrystalReport Funktion
                Case "XLS"
                    filename = filename + ".xls"
                    'CR_Report(dt, format) 20140204 MNK Ausbau CrystalReport Funktion
                Case "DOC"
                    filename = filename + ".doc"
                    'CR_Report(dt, format) 20140204 MNK Ausbau CrystalReport Funktion
                Case "CSV"
                    filename = filename + ".csv"
                    Extract_CSV(dt)
                Case "TXT"
                    filename = filename + ".txt"
                    Extract_TXT(dt)
                Case "XML"
                    filename = filename + ".xml"
                    Dim ds As New DataSet()
                    ds.Tables.Add(dt.Copy)
                    ds.WriteXml(filename)
                    ds.Dispose()
            End Select
            Return filename
        Catch ex As Exception
            PrintOut("Fehler Crystal:" + ex.Message, EventLogEntryType.Error)
            Return ""
        End Try

    End Function

    '''<summary>Journaldatei als CSV-Datei erstellen</summary>
    '''<param name="dt">Journaldaten</param>
    Private Sub Extract_CSV(ByVal dt As DataTable)
        Dim s As String
        Dim i As Integer
        Dim c As Integer

        Dim tw As TextWriter
        tw = New StreamWriter(New FileStream(filename, FileMode.Create))
        s = ""
        For i = 0 To dt.Columns.Count - 1
            s = s + dt.Columns(i).ColumnName + ";"
        Next
        tw.WriteLine(s)
        s = ""
        For i = 0 To dt.Rows.Count - 1
            For c = 0 To dt.Columns.Count - 1
                Try
                    s = s + CType(dt.Rows(i).Item(c), String) + ";"
                Catch
                    s = s + ""
                End Try
            Next
            tw.WriteLine(s)
            s = ""
        Next
        tw.Flush()
        tw.Close()
    End Sub

    '''<summary>Journaldatei als TXT-Datei erstellen</summary>
    '''<param name="dt">Journaldaten</param>
    Private Sub Extract_TXT(ByVal dt As DataTable)
        Dim s As String
        Dim i As Integer
        Dim c As Integer

        Dim tw As TextWriter
        tw = New StreamWriter(New FileStream(filename, FileMode.Create))
        s = ""
        For i = 0 To dt.Columns.Count - 1
            s = s + """" + dt.Columns(i).ColumnName + """" + ";"
        Next
        tw.WriteLine(s)
        s = ""
        For i = 0 To dt.Rows.Count - 1
            For c = 0 To dt.Columns.Count - 1
                Try
                    s = s + """" + CType(dt.Rows(i).Item(c), String) + """" + ";"
                Catch
                    s = s + ""
                End Try
            Next
            tw.WriteLine(s)
            s = ""
        Next
        tw.Flush()
        tw.Close()
    End Sub

    '''<summary>Crystal-Report-Druck</summary>
    '''<param name="dt">Datentabelle, welche an Crystal zum Druck übergeben
    '''wird</param>
    '''<param name="format">Zu Exportierendes Format (XLS, DOC, PDF)</param>
    '  Private Sub CR_Report(ByVal dt As DataTable, ByVal format As String)
    '      Try
    '          Dim CrystalReportDocument As ReportDocument
    '          Dim CrystalExportOptions As ExportOptions
    '          Dim CrystalDiskFileDestinationOptions As DiskFileDestinationOptions
    '          Dim ds As New DataSet()
    '          ds.Tables.Add(dt.Copy)

    '          CrystalReportDocument = New ReportDocument()
    '          CrystalReportDocument.Load(DivFnkt.ApplicationPath + "Journal1.rpt")
    '          CrystalReportDocument.SetDataSource(dt)

    '          CrystalReportDocument.SetDataSource(ds.Tables(0))

    '          CrystalDiskFileDestinationOptions = New DiskFileDestinationOptions()
    '          CrystalDiskFileDestinationOptions.DiskFileName = filename
    '          CrystalExportOptions = CrystalReportDocument.ExportOptions
    '          With CrystalExportOptions
    '              .DestinationOptions = CrystalDiskFileDestinationOptions
    '              .ExportDestinationType = ExportDestinationType.DiskFile
    '              Select Case UCase(format)
    '                  Case "PDF"
    '                      .ExportFormatType = ExportFormatType.PortableDocFormat
    '                  Case "XLS"
    '                      .ExportFormatType = ExportFormatType.Excel
    '                  Case "DOC"
    '                      .ExportFormatType = ExportFormatType.WordForWindows
    '              End Select
    '          End With
    '	CrystalReportDocument.Export()
    '	Try
    '		'sorry for this code (RS 2006-11-14)
    '		CrystalReportDocument = Nothing
    '		CrystalDiskFileDestinationOptions = Nothing
    '		CrystalExportOptions = Nothing
    '	Catch ex As Exception
    '		PrintOut("Export.CR_Report()" + ex.Message, EventLogEntryType.Error)
    '	End Try
    'Catch ex As Exception
    '          PrintOut("Aufbereitung Crystal:" + ex.Message, EventLogEntryType.Error)
    '      End Try
    '  End Sub





End Class