Imports System.ComponentModel.DataAnnotations Imports Raven.Client Imports System.Web Public Class RepresentationSetting Inherits RavenModelBase Public Property Key As String Public Property HasContactPossibility As Boolean = False Public Sub New() Me.CreatedAt = Format(DateTime.Now, "dd.MM.yyyy HH:mm:ss") End Sub End Class Public Class RepresentationSettings Public Shared Function GetByKey(key As String) As RepresentationSetting Dim model As RepresentationSetting Using ds As IDocumentSession = DataDocumentStore.Session Dim query = ds.Query(Of RepresentationSetting)() _ .Where(Function(s) s.Key = key) If query.Count > 0 Then model = query.First() Else model = New RepresentationSetting() model.Key = key model.CreatedBy = HttpContext.Current.User.Identity.Name ds.Store(model) ds.SaveChanges() End If End Using Return model End Function End Class