public InvoiceDocumentViewModel GetAllAspNetUsersImage(string userId, UploadFileType fileType)
{
List <Expression <Func <InvoiceDocumentMapping, bool> > > filterPredicates = new List <Expression <Func <InvoiceDocumentMapping, bool> > >();
filterPredicates.Add(p => p.UserId == userId);
filterPredicates.Add(p => p.FileType == fileType.ToString());
return(EntityToViewModelMapper.MapImage(this.InvoiceDocumentRepository.Find(filterPredicates)));
}