private Word PickWord(TwitterProfile profile, Word previousWord)
{
var algorithm = _options.WordAlgorithms.PickAlgorithm(_random);
Word word = null;
switch (algorithm)
{
case AlgorithmType.Random:
word = PickWordRandom(profile);
break;
case AlgorithmType.ByProbability:
word = PickWordByProbability(profile);
break;
case AlgorithmType.ByProbabilityWithPrediction:
word = previousWord == null?
PickWordByProbability(profile) :
PickWordByProbabilityWithPrediction(profile, previousWord);
break;
}
return(word);
}
public bool ProfileTimeLineHasTweets(TwitterProfile profile)
{
if (profile == null)
{
return(false);
}
if (profile.Name == null)
{
return(false);
}
var user = User.GetUserFromScreenName(profile.Name);
if (user == null)
{
return(false);
}
var timelineParameter = Timeline.CreateHomeTimelineParameter();
timelineParameter.ExcludeReplies = true;
timelineParameter.TrimUser = true;
timelineParameter.IncludeEntities = false;
var timeLine = Timeline.GetUserTimeline(user);
return(timeLine != null);
}
private Word PickWordByProbability(TwitterProfile profile)
{
var weights = profile.Words.Select(w => w.Occurrence).ToList();
var index = AlgorithmSelector.PickIndexWeighted(weights, _random);
return(profile.Words[index].Word);
}
public async Task <IEnumerable <Tweet> > GetAllTweetsFromProfile(TwitterProfile profile)
{
var tweets = await(from tweet in _context.Status
where tweet.Type == StatusType.User &&
tweet.ScreenName == profile.Name
select tweet).ToListAsync();
return(tweets.Select(tweet => new Tweet(tweet.Text)));
}
public void AddProfile(TwitterProfile profile, int occurrence)
{
if (Profiles.Any(p => p.Name == profile.Name))
{
return;
}
ProfileOccurances.Add(new ProfileOccurrance(profile, this, occurrence));
}
public ProfileOccurrance(TwitterProfile profile, BotOptions options)
{
Profile = profile;
ProfileId = profile.Id.Value;
BotOptions = options;
BotOptionsId = options.Id.Value;
Occurrence = 1;
}
public Tweet(long twitterId, string text, DateTime createdAt, int userId, TwitterProfile user, int quoteCount, int replyCount, int retweetCount, int favoriteCount)
{
TwitterId = twitterId;
Text = text;
CreatedAt = createdAt;
UserId = userId;
User = user;
QuoteCount = quoteCount;
ReplyCount = replyCount;
RetweetCount = retweetCount;
FavoriteCount = favoriteCount;
}
public byte[] SaveProfileImageToServer(TwitterProfile profile)
{
var profileImage = "https://twitter.com/" + profile.Name + "/profile_image?size=original";
using (WebClient client = new WebClient())
{
client.DownloadFile(new Uri(profileImage), @"profile.jpg");
}
string path = @"profile.jpg";
return(File.ReadAllBytes(path));
}
public WordOccurrence(Word word, TwitterProfile profile)
{
// TODO: Null-checks
Word = word;
WordId = word.Id.Value;
TwitterProfile = profile;
TwitterProfileId = profile.Id.Value;
NextWordOccurrences = new List <NextWordOccurrence>();
Occurrence = 1;
}
private Word PickWordByProbabilityWithPrediction(TwitterProfile profile, Word previousWord)
{
var word = profile.Words.SingleOrDefault(w => w.Word.Equals(previousWord));
if (word?.NextWordOccurrences == null || word.NextWordOccurrences.Count == 0)
{
return(PickWordByProbability(profile));
}
var weights = word.NextWordOccurrences.Select(n => n.Occurrence).ToList();
var index = AlgorithmSelector.PickIndexWeighted(weights, _random);
return(word.NextWordOccurrences[index].Word);
}
private Word PickWordRandom(TwitterProfile profile)
{
var index = _random.Next(profile.Words.Count);
return(profile.Words[index].Word);
}
public async Task <bool> DoesTwitterUserExist(TwitterProfile profile)
{
var user = (await GetTwitterProfile(profile.Name));
return(user != null);
}
public async Task <string> GetTwitterUserName(TwitterProfile profile)
{
return((await GetTwitterProfile(profile.Name)).Name);
}