/// <summary>
 /// Get a list of active subscriptions for the User
 /// </summary>
 /// <param name="userId">Application User Id</param>
 /// <returns>List of Active Subscriptions</returns>
 public async Task <List <Subscription> > UserActiveSubscriptionsAsync(string userId)
 {
     return(await _subscriptionDataService.UserActiveSubscriptionsAsync(userId));
 }