private static SubscribersList getMatchedSubscribers(Subscribers subscribers, Categories categories, List <Magazine> magazines)
{
SubscribersList matchedSubscribers = new SubscribersList();
matchedSubscribers.subscribers = new List <string>();
foreach (Subscriber subscriber in subscribers.data)
{
//build a list of categories this user subscribes to
List <string> subscriberCategories = new List <string>();
foreach (int id in subscriber.magazineIds)
{
//get the category of this magazine
string category = magazines.Where(x => x.id == id).First().category;
//if it's not already on our list, add it
if (!subscriberCategories.Contains(category))
{
subscriberCategories.Add(category);
}
}
//if we have the same amount of categories, subscriber has one for each
if (subscriberCategories.Count() == categories.data.Count())
{
matchedSubscribers.subscribers.Add(subscriber.id);
}
}
return(matchedSubscribers);
}
static void Main(string[] args)
{
token = getToken();
Console.WriteLine("Token: " + token);
//get categories
Console.Write("Get categories... ");
Categories categories = getCategories();
Console.WriteLine("done.");
//get subscribers
Console.Write("Get subscribers... ");
Subscribers subscribers = getSubscribers();
Console.WriteLine("done.");
//get all magazines from each category
Console.Write("Get magazines... ");
List <Magazine> magazines = getAllMagazines(categories.data);
Console.WriteLine("done.");
//for subscribers who match all categories
SubscribersList matchedSubscribers = getMatchedSubscribers(subscribers, categories, magazines);
string jsonAnswer = JsonConvert.SerializeObject(matchedSubscribers);
string response = postAnswer(jsonAnswer);
parseAnswer(response);
Console.WriteLine("Press any key to quit...");
Console.ReadKey();
}
/// <summary>
/// Publish event of type TEvent for handling.
/// When there are no subscribers for this event NoSubscribers event published
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="eventInstance">Event to publish</param>
/// <param name="sender">sender instance</param>
public virtual void Publish <TEvent>(TEvent eventInstance, ICanPublish <TEvent> sender)
{
if (sender == null)
{
// there is no any formal need to have sender in Publish method yet
// Idea behid this requirement is to mark all classes which can publish events with interface so they can be discoverable
// (With or without source code)
throw new ArgumentException("sender could not be null");
}
object outValue = null;
if (_subscribers.TryGetValue(typeof(TEvent), out outValue))
{
SubscribersList <TEvent> chain = (SubscribersList <TEvent>)outValue;
if (chain != null)
{
chain.Execute(eventInstance);
}
}
else
{
if (typeof(TEvent) != typeof(NoSubscribers))
{
Publish <NoSubscribers>(countNoSubscribers <TEvent>(eventInstance), this);
}
}
}
private void ViewSubscribers(object sender, TappedRoutedEventArgs e)
{
List <UserViewModel> subs = Lists.SelectedList.SubscribedUsers.ToList();
SubscribersList dialog = new SubscribersList(subs);
dialog.ShowAsync();
}
/// <summary>
/// Subscribe handler to specific TEvent type
/// </summary>
/// <typeparam name="TEvent"></typeparam>
/// <param name="handler">delegate to handle event</param>
public virtual void Subscribe <TEvent>(Delegate <TEvent> handler)
{
object workflowAsObject = _subscribers.GetOrAdd(typeof(TEvent), (i) => { return(new SubscribersList <TEvent>()); });
lock (workflowAsObject)
{
SubscribersList <TEvent> workflow = (SubscribersList <TEvent>)workflowAsObject;
if (workflow._subscribers.Count >= MaxSubscriptionsPerEventType)
{
throw new InvalidOperationException(
string.Format("More than {0} subscriptions per event is not allowed by default to prevent possible errors. Increase MaxSubscriptionsPerEvent or check your code for errors", MaxSubscriptionsPerEventType));
}
workflow.OnEvent += handler;
}
}
public Broker()
{
Publishers = new DevicesList();
Subscribers = new SubscribersList();
}
