Imports System.IO
Imports Independentsoft

Public Class ClassFilehandle
    Public Shared Function Decide_FileHandle(filename As String, handletype As String)
        Try
            If filename.EndsWith(".msg") Then
                CURRENT_MESSAGEID = ""
                Dim _msg As New Msg.Message(filename)
                If _msg.Attachments.Count > 0 Then
                    Dim result As MsgBoxResult
                    result = MessageBox.Show("Achtung: Die Email enthält Anhänge!" & vbNewLine & "Wollen Sie die Anhänge separat indexieren und herauslösen?", "Nachfrage zur Indexierung:", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
                    If result = MsgBoxResult.Yes Then
                        If handletype.StartsWith("@FW") Then
                            Return Email_Decay(filename, True)
                        Else
                            Return Email_Decay(filename)
                        End If
                    End If
                End If
            End If
            Return Insert_GI_File(filename, handletype)
        Catch ex As Exception
            MsgBox("Unexpected Error in Decide_FileHandle: " & ex.Message, MsgBoxStyle.Critical)
            Return False
        End Try
    End Function
    Private Shared Function Email_Decay(msgname As String, Optional FW As Boolean = False)
        Try
            Dim msgonly As String = "@MSGONLY@"
            Dim ATT_EXTR As String = "@ATTMNTEXTRACTED@"
            If FW = True Then
                msgonly = "@FW_MSGONLY@"
                ATT_EXTR = "@FW_ATTMNTEXTRACTED@"
            End If
            Dim erfolgreich As Boolean = False
            Dim msg As New Msg.Message(msgname)

            If Not msg.InternetMessageId Is Nothing Then
                CURRENT_MESSAGEID = msg.InternetMessageId
            End If

            'Nur die MSGDatei ablegen
            Dim tempfile As String = Path.Combine(Path.GetTempPath, Path.GetFileNameWithoutExtension(msgname) & "_excl_att.msg")
            If File.Exists(tempfile) Then
                File.Delete(tempfile)
            End If
            Dim _msgEXAtt As New Msg.Message(msgname)
            _msgEXAtt.Attachments.Clear()
            _msgEXAtt.Save(tempfile)
            If Insert_GI_File(tempfile, msgonly) = True Then
                erfolgreich = True
                'Hier nun die Anhänge herauslösen
                Dim _msg As New Msg.Message(msgname)
                Dim i1 As Integer = 1

                If LogErrorsOnly = False Then ClassLogger.Add(">> Anzahl der Attachments: " & _msg.Attachments.Count, False)
                For Each attachment As Independentsoft.Msg.Attachment In _msg.Attachments
                    If erfolgreich = False Then
                        Exit For
                    End If
                    Dim attachment_name As String
                    If attachment.LongFileName Is Nothing Then
                        attachment_name = attachment.DisplayName
                    Else
                        attachment_name = attachment.LongFileName
                    End If
                    If Not attachment_name.Contains("inline") Then
                        tempfile = Path.Combine(Path.GetTempPath, attachment_name)
                        If File.Exists(tempfile) Then
                            File.Delete(tempfile)
                        End If
                        attachment.Save(tempfile)
                        If LogErrorsOnly = False Then ClassLogger.Add(">> Attachment (" & i1 & "):" & tempfile, False)
                        'nun der Insert des Anhanges
                        erfolgreich = Insert_GI_File(tempfile, ATT_EXTR)
                        i1 += 1
                    End If

                Next
            End If
            Return erfolgreich
        Catch ex As Exception
            MsgBox("Error in Email_Decay: " & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Function

    Private Shared Function Insert_GI_File(filename As String, handleType As String)
        Try
            Dim filename_only As String = Path.GetFileName(filename)

            Dim ins As String = "INSERT INTO TBGI_FILES_USER (FILENAME2WORK, USER@WORK,HANDLE_TYPE,FILENAME_ONLY) VALUES ('" & filename & "','" & Environment.UserName & "','" & handleType & "','" & filename_only & "')"
            Return ClassDatabase.Execute_non_Query(ins, True)

        Catch ex As Exception
            Return False
        End Try
    End Function
End Class