public FichierEntete Add(IFormFile file, Guid documentId, Guid userId) { if (file.Length > 0) { var fileName = Path.GetFileName(file.FileName); var fileExtension = Path.GetExtension(fileName); var newFileName = String.Concat(fileName, fileExtension); var protector = _protectorProvider.CreateProtector("LazyDocs.Fichier", userId.ToString()); var fichier = new EntityFile() { DocumentId = documentId, Name = newFileName, Type = fileExtension, UserId = userId, CreateDate = DateTime.Now, Size = file.Length, Encrypted = true }; using (var target = new MemoryStream()) { file.CopyTo(target); fichier.File = protector.Protect(target.ToArray()); } this._context.Files.Add(fichier); this._context.SaveChanges(); return(fichier.ToFichierEntete()); } return(null); }