static ServiceFactory()
 {
     _storageClient = new AzureStorageServiceClient(Constants.StorageAccountName,
                                                     Constants.NotifyUserTableName,
                                                     Constants.NotifyEmergencyTableName,
                                                     Constants.UserHikesTableName,
                                                     Constants.UserInfoTableName);
 }
 static UserController()
 {
     StorageClient = ServiceFactory.GetStorageClient();
 }