Imports System.Data.SqlClient
Imports System.Reflection

Public Class cGruppeKundenNr
    Property grp_Gruppe As String
    Property grp_KdNr As Integer
    Property grp_isStamm As Boolean = False
    Property grp_StammKdNr As Integer
    Property grp_Firma As String




    Public hasEntry = False

    Dim SQL As New SQL

    Sub New(grp_Gruppe, grp_KdNr)
        Me.grp_Gruppe = grp_Gruppe
        Me.grp_KdNr = grp_KdNr
        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("grp_Gruppe", grp_Gruppe))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("grp_KdNr", grp_KdNr))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("grp_isStamm", grp_isStamm))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("grp_StammKdNr", grp_StammKdNr))
        list.Add(New VERAG_PROG_ALLGEMEIN.SQLVariable("grp_Firma", grp_Firma))

        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 tblGruppeKundenNr  WHERE grp_Gruppe=@grp_Gruppe AND grp_KdNr=@grp_KdNr) " &
                       " BEGIN " & getUpdateCmd() & " END " &
                       " Else " &
                       " BEGIN " & getInsertCmd() & " END " &
                       " commit tran "

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

    Public Function DELETE() As Boolean
        Dim sqlstr = " DELETE  [tblGruppeKundenNr]  WHERE grp_Gruppe='" & grp_Gruppe & "' AND grp_KdNr='" & grp_KdNr & "' "
        Return SQL.doSQL(sqlstr, "FMZOLL")
    End Function

    Public Sub LOAD()
        Try
            hasEntry = False
            Using conn As SqlConnection = SQL.GetNewOpenConnectionFMZOLL()
                Using cmd As New SqlCommand("SELECT * FROM tblGruppeKundenNr WHERE grp_Gruppe=@grp_Gruppe AND grp_KdNr=@grp_KdNr  ", conn)
                    cmd.Parameters.AddWithValue("@grp_Gruppe", grp_Gruppe)
                    cmd.Parameters.AddWithValue("@grp_KdNr", grp_KdNr)
                    Dim dr = cmd.ExecuteReader()
                    If dr.Read Then
                        For Each li In getParameterList()
                            Dim propInfo As PropertyInfo = Me.GetType.GetProperty(li.Scalarvariable)

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

                        Next
                        hasEntry = True
                    End If
                    dr.Close()
                End Using
            End Using
        Catch ex As Exception
            VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)
        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 [tblGruppeKundenNr] SET " & str & " WHERE grp_Gruppe=@grp_Gruppe AND grp_KdNr=@grp_KdNr  ")

        Catch ex As Exception
            VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)
        End Try
        Return ""
    End Function

    Shared Function checkStamm(StammKdNr) As Boolean
        Dim SQL As New VERAG_PROG_ALLGEMEIN.SQL
        Return (SQL.getValueTxtBySql("SELECT count(*) FROM [tblGruppeKundenNr] where grp_kdNr=" & StammKdNr & " and grp_isStamm=1 ", "FMZOLL",,, 0) > 0)
    End Function

    Shared Function cntGroupStamm(StammKdNr) As Boolean
        Dim SQL As New VERAG_PROG_ALLGEMEIN.SQL
        Return (SQL.getValueTxtBySql("SELECT count(*) FROM [tblGruppeKundenNr] where grp_kdNr=" & StammKdNr & " and grp_isStamm=1 ", "FMZOLL",,, 0))
    End Function
    Shared Function getStamm(KdNr) As Integer
        Dim SQL As New VERAG_PROG_ALLGEMEIN.SQL
        Return SQL.getValueTxtBySql("SELECT grp_StammKdNr FROM [tblGruppeKundenNr] where grp_kdNr=" & KdNr & " ", "FMZOLL",,, -1)
    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 tblGruppeKundenNr  (" & str & ") VALUES(" & values & ")  ")
        Catch ex As Exception
            VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)
        End Try
        Return ""
    End Function

End Class