public async Task <SampleStream> StartAsync()
{
this.IsRunning = true;
this.filteredStream.MatchingTweetReceived += (sender, args) =>
{
if (args.Tweet.IsRetweet)
{
return;
}
var tweet = new Model.Tweet
{
StrId = args.Tweet.IdStr,
FullText = args.Tweet.FullText,
CreatedAt = args.Tweet.CreatedAt,
FavoriteCount = args.Tweet.FavoriteCount,
Favorited = args.Tweet.Favorited,
QuoteCount = 0,
ReplyCount = 0,
RetweetCount = args.Tweet.RetweetCount,
IsRetweet = args.Tweet.IsRetweet,
User = new Model.User
{
CreatedAt = args.Tweet.CreatedBy.CreatedAt,
FavouritesCount = args.Tweet.CreatedBy.FavouritesCount,
FollowersCount = args.Tweet.CreatedBy.FollowersCount,
FriendsCount = args.Tweet.CreatedBy.FriendsCount,
ListedCount = args.Tweet.CreatedBy.ListedCount,
StatusesCount = args.Tweet.CreatedBy.StatusesCount,
Verified = args.Tweet.CreatedBy.Verified,
ProfileImageUrl400x400 = args.Tweet.CreatedBy.ProfileImageUrl400x400,
ScreenName = args.Tweet.CreatedBy.ScreenName,
Name = args.Tweet.CreatedBy.Name
}
};
this.Queue.Add(new ScoredItem(tweet));
};
await this.filteredStream.StartStreamMatchingAllConditionsAsync();
return(this);
}
private Model.Tweet MapTweetinviTweetToTweet(ITweet tweet)
{
bool valid = true;
if (tweet == null)
{
Console.WriteLine("TwitterMonitor.MapTweetinviTweetToTweet(): tweet is null");
valid = false;
}
if (valid && string.IsNullOrEmpty(tweet.FullText))
{
Console.WriteLine("TwitterMonitor.MapTweetinviTweetToTweet(): tweet is not valid (No text)");
valid = false;
}
if (!valid)
{
Console.WriteLine("TwitterMonitor.MapTweetinviTweetToTweet(): found invalid tweet. Ignore.");
return(null);
}
var domainTweet = new Model.Tweet
{
Id = tweet.IdStr, //Guid.NewGuid().ToString("N"),
Content = m_HtmlStripper.UnHtml(tweet.FullText),
Created = tweet.CreatedAt.ToUniversalTime(),
Url = tweet.Url,
AuthorId = tweet.CreatedBy.UserIdentifier.IdStr,
};
foreach (var entity in tweet.Entities.Hashtags)
{
domainTweet.TextualEntities[Model.TweetEntityTextualType.Hashtags].Add(entity.Text);
}
foreach (var entity in tweet.Entities.Medias)
{
if (entity.MediaType == "photo")
{
domainTweet.MediaEntities[Model.TweetEntityMediaType.Image].Add(entity.MediaURL);
}
else if (entity.MediaType == "video")
{
// Get the highest quality video
int mediaIndex = 0;
int maxBitrate = 0;
for (int i = 0; i < entity.VideoDetails.Variants.Length; i++)
{
if (entity.VideoDetails.Variants[i].Bitrate > maxBitrate)
{
mediaIndex = i;
maxBitrate = entity.VideoDetails.Variants[i].Bitrate;
}
}
domainTweet.MediaEntities[Model.TweetEntityMediaType.Video].Add(entity.VideoDetails.Variants[mediaIndex].URL);
}
else if (entity.MediaType == "animated_gif")
{
domainTweet.MediaEntities[Model.TweetEntityMediaType.AnimatedGif].Add(entity.VideoDetails.Variants[0].URL);
}
else
{
}
}
foreach (var entity in tweet.Entities.Symbols)
{
domainTweet.TextualEntities[Model.TweetEntityTextualType.Symbols].Add(entity.Text);
}
foreach (var entity in tweet.Entities.Urls)
{
domainTweet.TextualEntities[Model.TweetEntityTextualType.Urls].Add(entity.ExpandedURL);
}
foreach (var entity in tweet.Entities.UserMentions)
{
domainTweet.TextualEntities[Model.TweetEntityTextualType.UserMentions].Add(entity.IdStr);
}
return(domainTweet);
}
