public IQueryable <Subscription> GetSubscriptionsRecursive(SubscriptionFolder root)
{
var folderIds = new HashSet <int>();
var queue = new Queue <SubscriptionFolder>();
queue.Enqueue(root);
// Build set of subfolders
while (queue.TryDequeue(out SubscriptionFolder current))
{
if (folderIds.Contains(current.Id))
{
Debug.Fail($"Folder cycle detected for id {current.Id}!!!");
continue;
}
folderIds.Add(current.Id);
SubscriptionFolders.AsQueryable()
.Where(f => f.ParentId == current.Id)
.ForEach(queue.Enqueue);
}
// Get subscriptions
return(Subscriptions.AsQueryable()
.Where(x => x.ParentFolderId.HasValue && folderIds.Contains(x.ParentFolderId.Value)));
}
public void All_subscription_entries_for_specfied_message_types_should_be_removed()
{
Storage.Subscribe(TestClients.ClientA, MessageTypes.All);
Storage.Unsubscribe(TestClients.ClientA, MessageTypes.All);
var count = Subscriptions.AsQueryable().Count(s => s.Subscribers != null && s.Subscribers.Any());
Assert.AreEqual(0, count);
}