public CheckResult SaveFile(FileBlobModel model)
        {
            if (!model.IsChanged)
            {
                return(new CheckResult(model));
            }

            using (DSModel db = DB.GetContext())
            {
                var check = FileBlobValidator.ValidateSave(db, model);
                if (check.Failed)
                {
                    return(check);
                }

                KeyBinder key = new KeyBinder();
                try
                {
                    FileBlobRepository.SaveBlob(db, key, model);
                    db.SaveChanges();
                    key.BindKeys();
                    model.IsChanged = false;
                    return(new CheckResult(model));
                }
                catch (Exception ex)
                {
                    key.RollbackKeys();
                    return(new CheckResult(ex));
                }
            }
        }
        public CheckResult AttachMultipleFiles(string[] files)
        {
            using (var db = DB.GetContext())
            {
                KeyBinder key = new KeyBinder();
                try
                {
                    foreach (string file in files)
                    {
                        FileBlobModel mod = new FileBlobModel();
                        mod.BlobName      = Path.GetFileNameWithoutExtension(file);
                        mod.BlobExtension = Path.GetExtension(file);
                        mod.BlobData      = File.ReadAllBytes(file);
                        mod.DriverID      = this.CreationInfo.DriverID;

                        FileBlobRepository.SaveBlob(db, key, mod);
                    }

                    db.SaveChanges();
                    key.BindKeys();
                    return(new CheckResult());
                }
                catch (Exception ex)
                {
                    key.RollbackKeys();
                    return(new CheckResult(ex));
                }
            }
        }