public PodcastSubscription(SubscriptionState subscriptionState, string subscriptionToken, string feedRowKey, string emailAddress, string feedTitle)
{
if (subscriptionState == SubscriptionState.NotSet)
{
throw new InvalidOperationException("Subscription state has not been set.");
}
PartitionKey = subscriptionState.ToString();
RowKey = subscriptionToken;
FeedRowKey = feedRowKey;
EmailAddress = emailAddress;
FeedTitle = feedTitle;
}
public Task UnsubscribeAsync()
{
if (SubscriptionState != SubscriptionState.Subscribed && SubscriptionState != SubscriptionState.Unsubscribed) //allow retrying? what happens when it returns false the unsubscription
{
throw new Exception("Invalid state to unsubscribe, current state: " + SubscriptionState.ToString());
}
UnsubscribeRequestId = Guid.NewGuid().ToString();
var request = UnsubscribeSubscriptionRpcRequestBuilder.BuildRequest(SubscriptionId, UnsubscribeRequestId);
this.SubscriptionState = SubscriptionState.Unsubscribing;
return(StreamingClient.SendRequestAsync(request, this));
}
protected Task SubscribeAsync(RpcRequest rpcRequest)
{
if (SubscriptionState != SubscriptionState.Idle)
{
throw new Exception("Invalid state to start subscription, current state: " + SubscriptionState.ToString());
}
SubscribeRequestId = rpcRequest.Id;
this.SubscriptionState = SubscriptionState.Subscribing;
return(StreamingClient.SendRequestAsync(rpcRequest, this));
}
