/// <summary>
/// Subscribes a the given user to the event in the DTO
/// </summary>
/// <param name="subscriptionRequest">The DTO containing information about de subscription</param>
/// <param name="userId">the user subscribing to de event</param>
/// <returns>Subscription information in case the subscription is successful, otherwise return null</returns>
public async Task <SubscribeToEventResponse> SubscribeAsync(SubscribeToEventRequest subscriptionRequest, long userId)
{
if (!IsValidSubscription(subscriptionRequest))
{
return(null);
}
var eventSubscription = await _subscriptionRepository.GetSubscriptionAsync(
userId,
subscriptionRequest.EventCode);
if (eventSubscription != null)
{
return(new SubscribeToEventResponse(eventSubscription));
}
eventSubscription = new EventSubscription(
userId,
subscriptionRequest.Email,
subscriptionRequest.EventCode,
subscriptionRequest.EventStartTime.Value,
TimeSpan.FromMinutes(subscriptionRequest.EventDuration.Value),
subscriptionRequest.EventName,
subscriptionRequest.EventDescription,
subscriptionRequest.EventRoom,
subscriptionRequest.EnablePushNotification,
subscriptionRequest.NotificationService,
subscriptionRequest.NotificationToken);
eventSubscription = await _subscriptionRepository.InsertAsync(eventSubscription);
return(new SubscribeToEventResponse(eventSubscription));
}
