/// <summary>
/// Gets the next TweetSummary from the queue.
/// </summary>
/// <returns></returns>
public static TweetSummary GetNext()
{
TweetSummary ts = null;
tweetQueue.TryDequeue(out ts);
return(ts);
}
public static TweetSummary GetTweetSummary(string CompanyName, TraceWriter log)
{
TweetSummary result = new TweetSummary()
{
CompanyName = CompanyName
};
List <Tweet> tweets = ServiceProxies.SearchTweets(CompanyName);
log.Info($"Found {tweets.Count.ToString()} tweets for company {CompanyName}");
foreach (Tweet tweet in tweets)
{
DateTime publishDateTime = DateTime.ParseExact(tweet.DatePublished, "ddd MMM dd HH:mm:ss zzz yyyy", System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AssumeLocal);
// Set Start and End dates, if appropriate
if (result.StartDate == DateTime.MinValue || publishDateTime < result.StartDate)
{
result.StartDate = publishDateTime;
}
if (result.EndDate == DateTime.MinValue || publishDateTime > result.EndDate)
{
result.EndDate = publishDateTime;
}
if (result.Tweets.ContainsKey(tweet.Id))
{
if (tweet.RetweetCount > result.Tweets[tweet.Id].RetweetCount)
{
result.Tweets[tweet.Id].RetweetCount = tweet.RetweetCount;
}
if (tweet.FavoriteCount > result.Tweets[tweet.Id].FavoriteCount)
{
result.Tweets[tweet.Id].FavoriteCount = tweet.FavoriteCount;
}
}
else
{
result.Tweets.Add(tweet.Id, tweet);
}
}
result.TweetCount = result.Tweets.Count;
foreach (Tweet tweet in result.Tweets.Values)
{
result.TweetLikes += tweet.FavoriteCount;
result.TweetRetweets += tweet.RetweetCount;
}
return(result);
}
public static string Update(TraceWriter log)
{
string result = "Daily update complete, nothing unusual to report..";
try
{
List <Company> companies = Utils.DataRepository.GetCompaniesFromDb(log);
foreach (Company company in companies)
{
if (!String.IsNullOrEmpty(company.Symbol))
{
DailyUpdate update = new DailyUpdate()
{
Name = company.Name, Symbol = company.Symbol, Date = DateTime.Now
};
//update.Id = company.Name + "_" + update.Date.ToString("yyyyMMdd");
//update.Id = update.Id.Replace(" ", "_");
TweetSummary tweets = TwitterUtils.GetTweetSummary(company.Name, log);
update.TweetCount = tweets.TweetCount;
update.TweetLikes = tweets.TweetLikes;
update.TweetRetweets = tweets.TweetRetweets;
update.StockPrice = ServiceProxies.GetStockPrice(company.Symbol, "", log);
GitHub ghub = ServiceProxies.GetGitHubStars(company.Name);
if (ghub != null)
{
update.GitHubStars = ghub.Stars;
update.GitHubWatchers = ghub.Watches;
}
List <News> news = ServiceProxies.SearchNews(company.Name, log);
update.NewsStories = news.Count;
DataRepository.AddDailyUpdate(update);
// Sleep to not overload free APIs
System.Threading.Thread.Sleep(12000);
}
}
}
catch (Exception ex)
{
log.Error(ex.Message, ex);
result = "DailyUpdater Error: " + ex.ToString();
}
return(result);
}
public ItemAddedArgs(TweetSummary tweetSummary)
{
ItemAdded = tweetSummary;
}
/// <summary>
/// Adds a new TweetSummary to the queue.
/// </summary>
/// <param name="tweetSummary"></param>
public static void Add(TweetSummary tweetSummary)
{
tweetQueue.Enqueue(tweetSummary);
ItemAdded?.Invoke(null, new ItemAddedArgs(tweetSummary));
}
/// <summary>
/// Returns a copy of the data, rather than a reference to the same list.
/// </summary>
/// <returns></returns>
public static List <TweetSummary> GetData()
{
TweetSummary[] copy = new TweetSummary[allTweets.Count];
allTweets.CopyTo(copy, 0);;
return(new List <TweetSummary>(copy));
}
