public override ViewModels.Announcement.Notification Read(long id)
        {
            var viewModel = base.Read(id);
            var documents = new List <DocumentHandle>();

            viewModel.FolderHandle = new FolderHandle()
            {
                isEmpty           = true,
                isLoading         = false,
                itemParameterName = "notificationFolderId",
                tempFolderId      = 0,
            };

            if (viewModel.Folder > 0)
            {
                var tempDocumentTypeId = ParameterReader.ReadSystemParameter <long>("TempDocumentType");
                viewModel.FolderHandle.folderId = viewModel.Folder;
                var documentList = _folderService.ListDocuments(viewModel.FolderHandle.folderId.Value);

                if (documentList.Count() > 0)
                {
                    viewModel.FolderHandle.isEmpty = false;
                    foreach (var document in documentList)
                    {
                        if (document.DocumentType != tempDocumentTypeId)
                        {
                            var documentHandle = new DocumentHandle
                            {
                                documentId        = document.DocumentId,
                                fileName          = document.Name,
                                isEmpty           = false,
                                isLoading         = false,
                                itemId            = id,
                                itemParameterName = "notificationFolderId",
                                tempDocumentId    = 0
                            };
                            documents.Add(documentHandle);
                        }
                    }
                }
            }
            viewModel.FolderHandle.documents = documents;
            return(viewModel);
        }