public async Task <FileData> HandleAsync(GenerateNotificationPreviewDocument query)
{
var docxBytes = await notificationDocumentGenerator.GenerateNotificationDocument(query.NotificationId);
var fileName = string.Format("IWS-Notification-Preview-{0}-{1}", query.NotificationId, SystemTime.UtcNow);
if (pdfGenerator == null)
{
var wordBytes = notificationPreviewWatermarkGenerator.GenerateNotificationPreviewWatermark(docxBytes);
return(new FileData(fileName, FileType.Docx, wordBytes));
}
var pdfBytes = pdfGenerator.ConvertToPreviewPdf(docxBytes);
return(new FileData(fileName, FileType.Pdf, pdfBytes));
}