SDL/SDL/Classes/cVERAG_Card.vb

Imports System.Data.SqlClient
Imports System.Reflection

Public Class cVERAG_Card

    Property KartenNr As Integer
    Property KundenNr As Object = Nothing
    Property KfzKennzeichen As Object = Nothing
    Property Fahrer As Object = Nothing
    Property Datum As Object = Nothing
    Property Kaution As Object = Nothing
    Property BelegNr As Object = Nothing
    Property Ersatzkarte As Object = Nothing
    Property Gesperrt As Object = Nothing
    Property Defekt As Object = Nothing
    Property Verloren As Object = Nothing
    Property Gestohlen As Object = Nothing
    Property Vermerk As Object = Nothing
    Property Erfassungsdatum As Object = Nothing
    Property Änderungsdatum As Object = Nothing
    Property Sachbearbeiter As Object = Nothing

    Dim SQL As New SQL

    Sub New(KartenNr)
        Me.KartenNr = KartenNr
        LOAD()
    End Sub
    Function getParameterList() As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable)
        Dim list As New List(Of VERAG_PROG_ALLGEMEIN.SQLVariable)
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("KartenNr", KartenNr, , True))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("KundenNr", KundenNr))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("KfzKennzeichen", KfzKennzeichen))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Fahrer", Fahrer))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Datum", Datum))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Kaution", Kaution))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("BelegNr", BelegNr))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Ersatzkarte", Ersatzkarte))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Gesperrt", Gesperrt))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Defekt", Defekt))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Verloren", Verloren))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Gestohlen", Gestohlen))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Vermerk", Vermerk))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Erfassungsdatum", Erfassungsdatum))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Änderungsdatum", Änderungsdatum))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("Sachbearbeiter", Sachbearbeiter))
        Return list
    End Function



    Public Function SAVE() As Boolean
        Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()

        Dim sqlstr = " BEGIN TRAN IF EXISTS(SELECT * FROM Kartenpool WITH(updlock,serializable) WHERE KartenNr=@KartenNr) " &
                       " BEGIN " & getUpdateCmd() & " END " &
                       " Else " &
                       " BEGIN " & getInsertCmd() & " END " &
                       " commit tran "

        Return SQL.doSQLVarList(sqlstr, "SDL", , list)
    End Function

    Public Sub LOAD()
        Try
            Using conn As SqlConnection = cSqlDb.GetNewOpenConnection()
                Using cmd As New SqlCommand("SELECT * FROM Kartenpool WHERE KartenNr=@KartenNr  ", conn)
                    cmd.Parameters.AddWithValue("@KartenNr", KartenNr)
                    Dim dr = cmd.ExecuteReader()
                    If dr.Read Then
                        For Each l In getParameterList()
                            Dim propInfo As PropertyInfo = Me.GetType.GetProperty(l.Scalarvariable)

                            If dr.Item(l.Text) Is DBNull.Value Then
                                propInfo.SetValue(Me, Nothing)
                            Else
                                propInfo.SetValue(Me, dr.Item(l.Text))
                            End If

                        Next

                    End If
                    dr.Close()
                End Using
            End Using
        Catch ex As Exception
            MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
        End Try
    End Sub



    Public Function getUpdateCmd() As String
        Try
            Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()

            Dim str As String = ""
            For Each i In list
                If Not i.isPrimaryParam Then
                    str &= "[" & i.Text & "] = @" & i.Scalarvariable & "," '.Replace("-", "").Replace(" ", "") & ","
                End If
            Next
            str = str.Substring(0, str.Length - 1) 'wg. ','
            Return (" UPDATE [Kartenpool] SET " & str & " WHERE KartenNr=@KartenNr ")

        Catch ex As Exception
            MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
        End Try
        Return ""
    End Function


    Public Function getInsertCmd() As String
        Try
            Dim list As List(Of VERAG_PROG_ALLGEMEIN.SQLVariable) = getParameterList()
            Dim str As String = ""
            Dim values As String = ""
            For Each i In list
                If Not i.isPrimaryParam Then
                    str &= "[" & i.Text & "],"
                    values &= "@" & i.Scalarvariable & "," '.Replace("-", "").Replace(" ", "") & ","
                End If
            Next
            str = str.Substring(0, str.Length - 1) 'wg. ','
            values = values.Substring(0, values.Length - 1) 'wg. ','
            Return (" INSERT INTO Kartenpool  (" & str & ") VALUES(" & values & ")  ")
        Catch ex As Exception
            MsgBox("Fehler in der Funktion '" & System.Reflection.MethodInfo.GetCurrentMethod.Name & "'" & vbNewLine & vbNewLine & ex.Message & vbNewLine & vbNewLine & ex.StackTrace)
        End Try
        Return ""
    End Function



End Class