'DocMgmt Klasse
'Autor: Stefan Hutter, Unternehmensberatung
'
'01.04.2003
'
Imports System
Imports System.IO
Imports System.Data
Imports System.Data.SqlTypes
Imports System.Data.SqlClient
Imports System.ComponentModel

Public Class DocMgmt

#Region "Deklarationen"
    Dim m_dokumentname As String
    Dim m_dokumentid As String

    Property Dokumentname() As String
        Get
            Return m_dokumentname
        End Get
        Set(ByVal Value As String)
            m_dokumentname = Value
        End Set
    End Property
    Property DokumentID() As String
        Get
            Return m_dokumentid
        End Get
        Set(ByVal Value As String)
            m_dokumentid = Value
        End Set
    End Property
#End Region

#Region "Save"
    Public Function Save_To_DB(ByVal sDokumentID As String, ByVal sDokumentName As String) As Boolean
        Me.DokumentID = sDokumentID
        Me.Dokumentname = sDokumentName

        Dim Connection As New SqlConnection()
        Dim DA As New SqlDataAdapter("select * from doks where dokumentid='" + Me.DokumentID + "'", Connection)
        Dim cb As SqlCommandBuilder = New SqlCommandBuilder(DA)
        Dim ds As New DataSet()
        Dim fs As New FileStream(Me.Dokumentname, FileMode.OpenOrCreate, FileAccess.Read)
        Dim mydata(fs.Length) As Byte

        fs.Read(mydata, 0, fs.Length)
        fs.Close()
        Try
            'Connectionstring zur Datenbank
            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) = Me.DokumentID
                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
        Catch ex As Exception
            'MsgBox(ex.Message)
            Threading.Thread.Sleep(1000)
            Return False
        End Try
        fs = Nothing
        cb = Nothing
        ds = Nothing
        DA = Nothing

        Connection.Close()
        Connection = Nothing
        Return True
    End Function
#End Region

    Public Function Get_AMS_From_DB(ByVal sdokumentid As String, ByVal sdokumentname As String) As Boolean
        Me.DokumentID = sDokumentID
        Me.Dokumentname = sDokumentName

        Dim connection As New SqlConnection()
        Dim da As New SqlDataAdapter("Select * From dokUMENTE where DokumentNR='" + Me.DokumentID + "'", Globals.sConnectionString_ams)
        Dim CB As SqlCommandBuilder = New SqlCommandBuilder(da)
        Dim ds As New DataSet()
        Try
            'Connectionstring zur Datenbank
            connection.ConnectionString = Globals.sConnectionString_ams
            connection.Open()
            da.Fill(ds, "docs")
            Dim myRow As DataRow
            myRow = ds.Tables(0).Rows(0)
            Dim MyData() As Byte
            MyData = myRow.Item(1)
            Dim K As Long
            K = UBound(MyData)
            Dim fs As New FileStream(sdokumentname, FileMode.OpenOrCreate, FileAccess.Write)
            fs.Write(MyData, 0, K)
            fs.Close()
            fs = Nothing
        Catch ex As Exception
            'MsgBox(ex.Message)
            Return False
        End Try
        CB = Nothing
        ds = Nothing
        da = Nothing
        connection.Close()
        connection = Nothing
        Return True
    End Function
#Region "Get"
    Public Function Get_From_DB(ByVal sDokumentID As String, ByVal sDokumentName As String) As Boolean
        Me.DokumentID = sDokumentID
        Me.Dokumentname = sDokumentName

        Dim connection As New SqlConnection()
        Dim da As New SqlDataAdapter("Select * From doks where DokumentID='" + Me.DokumentID + "'", connection)
        Dim CB As SqlCommandBuilder = New SqlCommandBuilder(da)
        Dim ds As New DataSet()

        Try
            'Connectionstring zur Datenbank
            connection.ConnectionString = Globals.sConnectionString_edoka
            connection.Open()
            da.Fill(ds, "docs")
            Dim myRow As DataRow
            myRow = ds.Tables(0).Rows(0)
            Dim MyData() As Byte
            MyData = myRow.Item(1)
            Dim K As Long
            K = UBound(MyData)
            Dim fs As New FileStream(sDokumentName, FileMode.OpenOrCreate, FileAccess.Write)
            fs.Write(MyData, 0, K)
            fs.Close()
            fs = Nothing
        Catch ex As Exception
            Return False
        End Try
        CB = Nothing
        ds = Nothing
        da = Nothing
        connection.Close()
        connection = Nothing
        Return True
    End Function
#End Region





End Class