/// <summary>
/// Notify one subscription
/// </summary>
public void Notify <T>(DocumentSubscription <T> documentSubscription) where T : class
{
if (_database is null)
{
throw new InvalidOperationException("notification service is not initialized");
}
var nextValue = _database.GetCollection <T>(documentSubscription.Collection).FindById(documentSubscription.Id);
Task.Run(() => documentSubscription.Observer?.OnNext(nextValue));
}
public void Unsubscribe_From_DB_When_Disposing()
{
var subscriptions = new SubscriptionDict();
var sub1 = new DocumentSubscription <Model>(_db.NotificationService);
var sub2 = new CollectionSubscription <Model>(_db.NotificationService);
subscriptions.TryAdd(sub1, default);
subscriptions.TryAdd(sub2, default);
subscriptions.Keys.Should().HaveCount(2);
subscriptions.Keys.Should().Contain(sub1);
subscriptions.Keys.Should().Contain(sub2);
using (var unsubscriber = new Unsubscriber(subscriptions, sub1))
{ }
subscriptions.Keys.Should().HaveCount(1);
subscriptions.Keys.Should().Contain(sub2);
}
internal void NotifyIfNeeded <T>(DocumentSubscription <T> documentSubscription, NotificationCache cache) where T : class
{
if (cache.Broadcasts.Contains(documentSubscription.Collection))
{
Notify(documentSubscription);
return;
}
if (documentSubscription.Id is null)
{
return;
}
if (cache.Documents.Contains((documentSubscription.Collection, documentSubscription.Id)))
{
Notify(documentSubscription);
return;
}
}
