private static void AddSubscriber(NewsPublisher newsPublisher, List <Response> responses)
{
var name = Asker.GetValue <string>("\nWhat is the name of the new subscriber?");
var subscriber = new Person(name, responses);
NewsSubscribers.Add(subscriber);
subscriber.Subscribe(newsPublisher);
}
private static void PublishNewsItem(List <News> news, NewsPublisher newsPublisher)
{
var newsType = (NewsType)Asker.GetChoiceFromList("What kind of news do you want to publish?",
Enum.GetValues(typeof(NewsType)).Cast <NewsType>().Select(n => n.ToString()).ToList());
var newsChoices = news.Where(n => n.NewsType == newsType).ToList();
var chosenNews = newsChoices[Asker.GetChoiceFromList($"What {newsType.ToString().ToLower()} news do you want to publish?",
newsChoices.Select(n => n.NewsItem).ToList())];
Console.WriteLine();
newsPublisher.PublishNews(chosenNews);
}
static void Main(string[] args)
{
TxtPrinter.PrintInformation("WELCOME TO THE OBSERVER PROGRAM -- WHICH IS SOMEWHAT FUNNY");
var news = new List <News>();
try
{
using (var reader = new StreamReader(NewsItemsPath))
{
var json = reader.ReadToEnd();
var jObject = JObject.Parse(json);
foreach (var obj in jObject)
{
switch (obj.Key)
{
case "good":
news.AddRange(obj.Value.Select(n => n.ToNews(NewsType.Good)));
break;
case "bad":
news.AddRange(obj.Value.Select(n => n.ToNews(NewsType.Bad)));
break;
default:
break;
}
}
}
}
catch (Exception ex)
{
Console.WriteLine($"Unable to load news items from {NewsItemsPath}. Exception: {ex.Message}\n " +
$"Press any key to exit.");
Console.ReadKey();
Environment.Exit(1);
}
var responses = new List <Response>();
try
{
using (var reader = new StreamReader(ResponsesPath))
{
var json = reader.ReadToEnd();
var jObject = JObject.Parse(json);
foreach (var obj in jObject)
{
switch (obj.Key)
{
case "good":
responses.AddRange(obj.Value.Select(r => r.ToResponse(NewsType.Good)));
break;
case "bad":
responses.AddRange(obj.Value.Select(r => r.ToResponse(NewsType.Bad)));
break;
default:
break;
}
}
}
}
catch (Exception ex)
{
Console.WriteLine($"Unable to load responses from {ResponsesPath}. Exception: {ex.Message}\n " +
$"Press any key to exit.");
Console.ReadKey();
Environment.Exit(1);
}
var newsPublisher = new NewsPublisher();
while (true)
{
var choice = Asker.GetChoiceFromList("What do you want to do?", Choices);
switch (choice)
{
case 0:
AddSubscriber(newsPublisher, responses);
break;
case 1:
RemoveSubscriber();
break;
case 2:
PublishNewsItem(news, newsPublisher);
break;
case 3:
Environment.Exit(0);
break;
default:
break;
}
}
}
public void Subscribe(NewsPublisher provider)
{
Cancellation = provider.Subscribe(this);
}