Imports EgtWPFLib5

Public Class UpdateClientPageVM
   Inherits ClientPageVM

#Region "FIELDS & PROPERTIES"

   Private m_IdToUpdate As Integer
   Public Property IdToUpdate As Integer
      Get
         Return m_IdToUpdate
      End Get
      Set(value As Integer)
         m_IdToUpdate = value
      End Set
   End Property

   Private m_ResellerList As List(Of Reseller)
   Public Overloads ReadOnly Property ResellerList As List(Of Reseller)
      Get
         Return m_ResellerList
      End Get
   End Property

   Private m_SelReseller As Reseller
   Public Overloads Property SelReseller As Reseller
      Get
         Return m_SelReseller
      End Get
      Set(value As Reseller)
         m_SelReseller = value
         NotifyPropertyChanged("SelReseller")
      End Set
   End Property

   ' Definizione comandi
   Private m_cmdUpdate As Command
   Private m_cmdCancel As Command

#Region "Messages"

   Public ReadOnly Property UpdateClientMsg As String
      Get
         Return "Update client"
      End Get
   End Property

   Public ReadOnly Property UpdateMsg As String
      Get
         Return "Update"
      End Get
   End Property

   Public ReadOnly Property CancelMsg As String
      Get
         Return "Close"
      End Get
   End Property

#End Region    ' Messages

#End Region    ' FIELDS & PROPERTIES

#Region "CONSTRUCTOR"

   Sub New()
      ' Imposto riferimento nella mappa
      Map.SetRefUpdateClientPageVM(Me)
   End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

   Friend Sub InitUpdateClientPage()
      ' Carico campo Name
      Dim Query As String = "SELECT " & DB_NAME & " FROM " & DB_CLIENT &
            " WHERE " & DB_CLIENTID & " LIKE " & IdToUpdate
      Name = ManageDb.ExecuteStringQuery(Query, DB_NAME)(0)
      NotifyPropertyChanged("Name")

      ' Carico campo Email
      Dim eQuery As String = "SELECT " & DB_EMAIL & " FROM " & DB_CLIENT &
            " WHERE " & DB_CLIENTID & " LIKE " & IdToUpdate
      Email = ManageDb.ExecuteStringQuery(eQuery, DB_EMAIL)(0)
      NotifyPropertyChanged("Email")

      ' Carico lista Reseller
      Dim rQuery As String = "SELECT * FROM " & DB_RESELLER
      m_ResellerList = ManageDb.ExecuteResellerQuery(rQuery)
      NotifyPropertyChanged("ResellerList")

      ' Carico elemento della lista Reseller selezionato precdentemente
      Dim selQuery As String = "SELECT * FROM " & DB_CLIENT &
      " INNER JOIN " & DB_RESELLER & " ON " & DB_CLIENT & "." & DB_RESELLERID & " = " &
      DB_RESELLER & "." & DB_RESELLERID &
      " WHERE " & DB_CLIENTID & " LIKE " & IdToUpdate
      'm_SelReseller = ManageDb.ExecuteResellerQuery(rQuery)(0)
      'm_SelReseller = m_ResellerList(2)
      m_SelReseller = m_ResellerList.FirstOrDefault(Function(resel) resel.ResellerName.Equals(ManageDb.ExecuteResellerQuery(selQuery)(0).ResellerName))
      NotifyPropertyChanged("SelReseller")
   End Sub

#End Region    ' METHODS

#Region "COMMANDS"

#Region "Update"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property UpdateClient_Command As ICommand
      Get
         If m_cmdUpdate Is Nothing Then
            m_cmdUpdate = New Command(AddressOf Update)
         End If
         Return m_cmdUpdate
      End Get
   End Property

   Public Sub Update(ByVal param As Object)
      If Not String.IsNullOrWhiteSpace(Name) OrElse
            Not String.IsNullOrWhiteSpace(Email) OrElse
         Not IsNothing(SelReseller) Then
         ' Cerco nella tabella Client
         Dim Query As String = "UPDATE " & DB_CLIENT
         Dim bFirstWhere As Boolean = True
         If Not String.IsNullOrWhiteSpace(Name) OrElse
               Not String.IsNullOrWhiteSpace(Email) OrElse
            Not IsNothing(SelReseller) Then
            Query &= " SET "
            If Not String.IsNullOrWhiteSpace(Name) Then
               EvalWhere(bFirstWhere, Query)
               Query &= DB_NAME & " = '" & Name & "' "
            End If
            If Not String.IsNullOrWhiteSpace(Email) Then
               EvalWhere(bFirstWhere, Query)
               Query &= DB_EMAIL & " = '" & Email & "' "
            End If
            If Not IsNothing(SelReseller) Then
               EvalWhere(bFirstWhere, Query)

               Dim reQuery As String = "SELECT * FROM " & DB_RESELLER & " WHERE "
               reQuery &= DB_RESELLERNAME & " = '" & SelReseller.ResellerName & "' "
               reQuery = reQuery.TrimEnd(","c, " "c)
               Dim reseller As Reseller = ManageDb.ExecuteResellerQuery(reQuery).Item(0)
               Dim reId As Integer = reseller.ResellerID
               Query &= DB_RESELLERID & " = '" & reId & "' "

               'Query &= DB_RESELLERNAME & " = '" & SelReseller.ResellerName & "%' "
            End If
            Query &= "WHERE " & DB_CLIENTID & " = " & IdToUpdate
            Query = Query.TrimEnd(","c, " "c)
         End If
         ManageDb.ExecuteQuery(Query)

         ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
         Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.SEARCHCLIENT
      Else
         MessageBox.Show("Completare almeno un campo")
      End If
   End Sub

   Private Sub EvalWhere(ByRef bFirst As Boolean, ByRef Query As String)
      If bFirst Then
         bFirst = False
      Else
         Query &= ", "
      End If
   End Sub

#End Region    ' Update

#Region "Cancel"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property Cancel_Command As ICommand
      Get
         If m_cmdCancel Is Nothing Then
            m_cmdCancel = New Command(AddressOf Cancel)
         End If
         Return m_cmdCancel
      End Get
   End Property

   Public Sub Cancel(ByVal param As Object)

      ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
      Map.refMainWindowVM.SelProjectMode = MainWindowVM.ProjectModeOpt.SEARCHCLIENT

   End Sub

#End Region    ' Cancel

   '#Region "GetResellerID"

   '    ' Returns a command that manage the MainWindow_Unloaded command
   '    Public Sub GetResellerID(ByVal param As Object)
   '        Dim Query As String = "SELECT " & DB_RESELLERID & "FROM" & DB_RESELLER & "WHERE "
   '        Query &= DB_RESELLERNAME & " = '" & SelReseller.ResellerName & "%' "
   '        Query = Query.TrimEnd(","c, " "c)
   '        ' ManageDb.ExecuteQuery(Query)
   '        Dim cmd As MySqlCommand = New MySqlCommand(stm, conn)
   '        Dim value As Object = cmd.ExecuteScalar()
   '        If value! = null Then
   '            String nama_student = nama_studentObj.ToString()
   '                End If
   '    End Sub

   '#End Region    ' GetResellerID

#End Region    'COMMANDS
End Class