private void HandleHashtags(TwitterStatus tweet)
{
foreach (TwitterHashTag hashtag in tweet.Entities.HashTags)
{
Hashtag h = new Hashtag();
if (unitOfWork.Hashtags.HashtagAlreadyExists(hashtag.Text, out h) == false)
{
h = new Hashtag
{
HashtagGuid = Guid.NewGuid(),
HashtagValue = hashtag.Text
};
unitOfWork.Hashtags.Add(h);
}
TweetHashtag th = new TweetHashtag
{
TweetId = tweet.Id,
HashtagGuid = h.HashtagGuid
};
unitOfWork.Hashtags.AddTweetHashtag(th);
}
}
public static void AddTweetPerMinute(TweetHashtag tweetHashtag, HashtagCount hashtagCount, IEnumerable <Tweet> tweets, DateTime dateTime)
{
// TODO- tweet is sometimes returning as null, not sure how this is happening
// using if to catch null instances
Tweet tweet = tweets.SingleOrDefault(t => t.ID == tweetHashtag.TweetID);
if (tweet != null)
{
// adds 100 to the correct 5 minute interval 0-11
hashtagCount.TweetsPer[Convert.ToInt32(Math.Floor((dateTime - UnixTimeStampToDateTime(tweet.UnixTimeStamp)).Minutes / 5.0))] += 100;
}
}
private void AssociateTweetWithHashtags(Tweet tweet, IEnumerable <Hashtag> hashtags)
{
TweetHashtag tweetHashtag;
foreach (var hashtag in hashtags)
{
tweetHashtag = new TweetHashtag
{
Key = Guid.NewGuid(),
Tweet = tweet,
Hashtag = hashtag
};
_tweetHashtagRepository.Add(tweetHashtag);
}
try
{
_tweetHashtagRepository.Save();
}
catch (Exception e)
{
return;
}
}
/// <summary>
/// Create a new Hashtag, or update an existing Hashtag
/// </summary>
/// <exception cref="InvalidOperationException">Throws if a Tweet was passed that has no Id.</exception>
public Hashtag UpsertHashtag(string label, Tweet tweet)
{
if (tweet.Id == 0)
{
throw new InvalidOperationException("An unsaved tweet can not be passed to this method.");
}
try
{
var tag = GetByLabel(label);
tag.LastUsed = DateTime.Now;
//tag.Tweets.Add(tweet);
_context.Hashtags.Update(tag);
var tweetHashtag = new TweetHashtag()
{
Tweet = tweet,
Hashtag = tag,
};
_context.TweetHashtags.Add(tweetHashtag);
_context.SaveChanges();
return(tag);
}
catch (HashtagNotFoundException)
{
var hashtag = new Hashtag(label);
_context.Hashtags.Add(hashtag);
var tweetHashtag = new TweetHashtag()
{
Tweet = tweet,
Hashtag = hashtag,
};
_context.TweetHashtags.Add(tweetHashtag);
_context.SaveChanges();
return(hashtag);
}
}
public void AddTweetHashtag(TweetHashtag tweetHashtag)
{
NoamContext.TweetHashtags.Add(tweetHashtag);
}
public static string ToTweetHashtagDto(this TweetHashtag tweetHashtag)
{
return(tweetHashtag.Hashtag.Name);
}