public SubscriberCollection(ISubscriberFinder <T> subscriberFinder, ISubscriberFactory <T> subscriberFactory)
{
subscribers = new ConcurrentBag <ISubscriber>();
foreach (var subscriberType in subscriberFinder.Find())
{
ISubscriber subscriber = subscriberFactory.Create(subscriberType);
Subscribe(subscriber);
}
}
public ISubscriber AddSubscriber(string emailAddress)
{
if (string.IsNullOrEmpty(emailAddress))
{
throw new ArgumentException("Subscriber emailAddress required.", nameof(emailAddress));
}
var subscriber = _subscriberFactory.Create(emailAddress);
if (null == Subscribers)
{
Subscribers = new List <ISubscriber>();
}
Subscribers.Add(subscriber);
return(subscriber);
}
