public async Task StartStreamMatchingAnyConditionAsync()
{
_filterStreamTweetMatcher = _filterStreamTweetMatcherFactory.Create(_streamTrackManager, _locations, _followingUserIds);
Func <ITwitterQuery> generateWebRequest = () =>
{
var queryBuilder = GenerateORFilterQuery();
AddBaseParametersToQuery(queryBuilder);
return(_twitterQueryFactory.Create(queryBuilder.ToString(), HttpMethod.POST, Credentials));
};
Action <string> tweetReceived = json =>
{
RaiseJsonObjectReceived(json);
var tweet = _tweetFactory.GenerateTweetFromJson(json, TweetMode);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
var matchingTracksEvenArgs = _filterStreamTweetMatcher.GetMatchingTweetEventArgsAndRaiseMatchingElements(tweet, json, MatchOn);
var matchingTracks = matchingTracksEvenArgs.MatchingTracks;
var matchingLocations = matchingTracksEvenArgs.MatchingLocations;
var matchingFollowers = matchingTracksEvenArgs.MatchingFollowers;
var isTweetMatching = matchingTracks.Length != 0 || matchingLocations.Length != 0 || matchingFollowers.Length != 0;
var quotedTweetMatchingTracks = matchingTracksEvenArgs.QuotedTweetMatchingTracks;
var quotedTweetMatchingLocations = matchingTracksEvenArgs.QuotedTweetMatchingLocations;
var quotedTweetMatchingFollowers = matchingTracksEvenArgs.QuotedTweetMatchingFollowers;
var isQuotedTweetMatching = quotedTweetMatchingTracks.Length != 0 || quotedTweetMatchingLocations.Length != 0 || quotedTweetMatchingFollowers.Length != 0;
RaiseTweetReceived(matchingTracksEvenArgs);
if (isTweetMatching || isQuotedTweetMatching)
{
RaiseMatchingTweetReceived(matchingTracksEvenArgs);
}
else
{
RaiseNonMatchingTweetReceived(new TweetEventArgs(tweet, json));
}
};
await _streamResultGenerator.StartStreamAsync(tweetReceived, generateWebRequest);
}
private ITokenRateLimits GetTokenRateLimitsFromTwitter(ITwitterCredentials credentials)
{
if (_isRetrievingData)
{
return(null);
}
var isApplicationOnlyCreds = string.IsNullOrEmpty(credentials.AccessToken) || string.IsNullOrEmpty(credentials.AccessTokenSecret);
if (isApplicationOnlyCreds && string.IsNullOrEmpty(credentials.ApplicationOnlyBearerToken))
{
return(null);
}
_isRetrievingData = true;
var result = _credentialsAccessor.ExecuteOperationWithCredentials(credentials, () =>
{
var twitterQuery = _twitterQueryFactory.Create(_helpQueryGenerator.GetCredentialsLimitsQuery(), HttpMethod.GET, credentials);
try
{
string jsonResponse = _twitterRequester.ExecuteQuery(twitterQuery);
return(_jsonObjectConverter.DeserializeObject <ITokenRateLimits>(jsonResponse));
}
catch (TwitterException)
{
return(null);
}
});
_isRetrievingData = false;
return(result);
}
public async Task StartStreamAsync(string url)
{
Func <HttpWebRequest> generateWebRequest = delegate
{
var queryBuilder = new StringBuilder(url);
AddBaseParametersToQuery(queryBuilder);
var streamQuery = _twitterQueryFactory.Create(queryBuilder.ToString());
return(_twitterRequestGenerator.GetQueryWebRequest(streamQuery));
};
Action <string> generateTweetDelegate = json =>
{
RaiseJsonObjectReceived(json);
var tweet = _tweetFactory.GenerateTweetFromJson(json);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
var detectedTracksAndActions = _streamTrackManager.GetMatchingTracksAndActions(tweet.Text);
var detectedTracks = detectedTracksAndActions.Select(x => x.Item1);
if (detectedTracksAndActions.Any())
{
this.Raise(MatchingTweetReceived, new MatchedTweetReceivedEventArgs(tweet, detectedTracks));
}
};
await _streamResultGenerator.StartStreamAsync(generateTweetDelegate, generateWebRequest);
}
public string ExecuteQueryWithTemporaryCredentials(string queryURL, HttpMethod httpMethod, ITemporaryCredentials temporaryCredentials, IEnumerable <IOAuthQueryParameter> queryParameters)
{
CleanupQueryURL(ref queryURL);
var twitterQuery = _twitterQueryFactory.Create(queryURL, httpMethod, temporaryCredentials);
twitterQuery.QueryParameters = queryParameters;
_tweetinviEvents.RaiseBeforeQueryExecute(new QueryBeforeExecuteEventArgs(twitterQuery));
var result = _twitterRequester.ExecuteQuery(twitterQuery);
_tweetinviEvents.RaiseAfterQueryExecuted(new QueryAfterExecuteEventArgs(twitterQuery, result));
return(result);
}
private ICredentialsRateLimits GetTokenRateLimitsFromTwitter(ITwitterCredentials credentials)
{
var isApplicationOnlyCreds = string.IsNullOrEmpty(credentials.AccessToken) || string.IsNullOrEmpty(credentials.AccessTokenSecret);
if (isApplicationOnlyCreds && string.IsNullOrEmpty(credentials.ApplicationOnlyBearerToken))
{
return(null);
}
var result = _credentialsAccessor.ExecuteOperationWithCredentials(credentials, () =>
{
var twitterQuery = _twitterQueryFactory.Create(_helpQueryGenerator.GetCredentialsLimitsQuery(), HttpMethod.GET, credentials);
try
{
var webRequestResult = _webRequestExecutor.ExecuteQuery(twitterQuery);
var json = webRequestResult.Text;
return(_jsonObjectConverter.DeserializeObject <ICredentialsRateLimits>(json));
}
catch (TwitterException)
{
return(null);
}
});
return(result);
}
public async Task StartStream(string url)
{
Func <ITwitterQuery> generateTwitterQuery = delegate
{
var queryBuilder = new StringBuilder(url);
AddBaseParametersToQuery(queryBuilder);
return(_twitterQueryFactory.Create(queryBuilder.ToString(), HttpMethod.GET, Credentials));
};
Action <string> generateTweetDelegate = json =>
{
this.Raise(JsonObjectReceived, new JsonObjectEventArgs(json));
var tweet = _tweetFactory.GenerateTweetFromJson(json);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
this.Raise(TweetReceived, new TweetReceivedEventArgs(tweet));
};
await _streamResultGenerator.StartStreamAsync(generateTweetDelegate, generateTwitterQuery).ConfigureAwait(false);
}
private bool TryPrepareRequest(
string query,
HttpMethod httpMethod,
RateLimitTrackerOptions rateLimitTrackerOption,
ITwitterCredentials credentials,
out ITwitterQuery twitterQuery)
{
twitterQuery = _twitterQueryFactory.Create(query, httpMethod, credentials ?? _credentialsAccessor.CurrentThreadCredentials);
var beforeQueryExecuteEventArgs = new QueryBeforeExecuteEventArgs(twitterQuery);
_tweetinviEvents.RaiseBeforeQueryExecute(beforeQueryExecuteEventArgs);
if (beforeQueryExecuteEventArgs.Cancel)
{
twitterQuery = null;
return(false);
}
if (rateLimitTrackerOption == RateLimitTrackerOptions.TrackAndAwait)
{
_rateLimitAwaiter.WaitForCurrentCredentialsRateLimit(query);
}
return(true);
}
public async Task StartStream(string url)
{
Func <HttpWebRequest> generateWebRequest = delegate
{
var queryBuilder = new StringBuilder(url);
AddBaseParametersToQuery(queryBuilder);
var streamQuery = _twitterQueryFactory.Create(queryBuilder.ToString());
return(_twitterRequestGenerator.GetQueryWebRequest(streamQuery));
};
Action <string> generateTweetDelegate = json =>
{
this.Raise(JsonObjectReceived, new JsonObjectEventArgs(json));
var tweet = _tweetFactory.GenerateTweetFromJson(json);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
this.Raise(TweetReceived, new TweetReceivedEventArgs(tweet));
};
await _streamResultGenerator.StartStreamAsync(generateTweetDelegate, generateWebRequest);
}
private bool TryPrepareRequest(
string query,
HttpMethod httpMethod,
RateLimitTrackerOptions rateLimitTrackerOption,
ITwitterCredentials credentials,
out ITwitterQuery twitterQuery)
{
credentials = credentials ?? _credentialsAccessor.CurrentThreadCredentials;
if (credentials == null)
{
throw new TwitterNullCredentialsException();
}
twitterQuery = _twitterQueryFactory.Create(query, httpMethod, credentials);
var beforeQueryExecuteEventArgs = new QueryBeforeExecuteEventArgs(twitterQuery);
if (rateLimitTrackerOption == RateLimitTrackerOptions.TrackOnly ||
rateLimitTrackerOption == RateLimitTrackerOptions.TrackAndAwait)
{
var timeToWait = _rateLimitAwaiter.TimeToWaitBeforeTwitterRequest(query, twitterQuery.TwitterCredentials);
twitterQuery.DateWhenCredentialsWillHaveRequiredRateLimits = DateTime.Now.AddMilliseconds(timeToWait);
_tweetinviEvents.RaiseBeforeQueryExecute(beforeQueryExecuteEventArgs);
if (beforeQueryExecuteEventArgs.Cancel)
{
twitterQuery = null;
return(false);
}
if (rateLimitTrackerOption == RateLimitTrackerOptions.TrackAndAwait)
{
_rateLimitAwaiter.Wait(timeToWait);
}
}
else
{
_tweetinviEvents.RaiseBeforeQueryExecute(beforeQueryExecuteEventArgs);
if (beforeQueryExecuteEventArgs.Cancel)
{
twitterQuery = null;
return(false);
}
}
_tweetinviEvents.RaiseBeforeExecuteAfterRateLimitAwait(beforeQueryExecuteEventArgs);
return(true);
}
public async Task StartStreamMatchingAnyConditionAsync()
{
Func <HttpWebRequest> generateWebRequest = () =>
{
var queryBuilder = GenerateORFilterQuery();
AddBaseParametersToQuery(queryBuilder);
var streamQuery = _twitterQueryFactory.Create(queryBuilder.ToString(), HttpMethod.POST);
return(_twitterRequestGenerator.GetQueryWebRequest(streamQuery));
};
Action <string> tweetReceived = json =>
{
RaiseJsonObjectReceived(json);
var tweet = _tweetFactory.GenerateTweetFromJson(json);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
var matchingTrackAndActions = _streamTrackManager.GetMatchingTracksAndActions(tweet.Text);
var matchingTracks = matchingTrackAndActions.Select(x => x.Item1);
var machingLocationAndActions = GetMatchedLocations(tweet);
var matchingLocations = machingLocationAndActions.Select(x => x.Key);
CallMultipleActions(tweet, matchingTrackAndActions.Select(x => x.Item2));
CallMultipleActions(tweet, machingLocationAndActions.Select(x => x.Value));
CallFollowerAction(tweet);
RaiseMatchingTweetReceived(new MatchedTweetReceivedEventArgs(tweet, matchingTracks));
this.Raise(MatchingTweetAndLocationReceived, new MatchedTweetAndLocationReceivedEventArgs(tweet, matchingTracks, matchingLocations));
};
await _streamResultGenerator.StartStreamAsync(tweetReceived, generateWebRequest);
}
public async Task StartStreamAsync()
{
_loggedUser = await _taskFactory.ExecuteTaskAsync(() => _userFactory.GetLoggedUser());
if (_loggedUser == null)
{
StopStream(new WebException("Could not receive information related with currently logged user."));
return;
}
Func <HttpWebRequest> generateWebRequest = delegate
{
var queryBuilder = new StringBuilder(Resources.Stream_UserStream);
AddBaseParametersToQuery(queryBuilder);
var streamQuery = _twitterQueryFactory.Create(queryBuilder.ToString());
return(_twitterRequestGenerator.GetQueryWebRequest(streamQuery));
};
Action <string> eventReceived = json =>
{
RaiseJsonObjectReceived(json);
// We analyze the different types of message from the stream
if (TryGetEvent(json))
{
return;
}
if (TryGetTweet(json))
{
return;
}
if (TryGetMessage(json))
{
return;
}
if (TryGetWarning(json))
{
return;
}
if (TryGetFriends(json))
{
return;
}
TryInvokeGlobalStreamMessages(json);
};
await _streamResultGenerator.StartStreamAsync(eventReceived, generateWebRequest);
}
private StreamReader CreateStreamReaderFromWebRequest(WebRequest webRequest)
{
if (webRequest == null)
{
SetStreamState(StreamState.Stop);
return(null);
}
StreamReader reader = null;
try
{
var twitterQuery = _twitterQueryFactory.Create(webRequest.RequestUri.AbsoluteUri);
var queryBeforeExecuteEventArgs = new QueryBeforeExecuteEventArgs(twitterQuery);
_tweetinviEvents.RaiseBeforeQueryExecute(queryBeforeExecuteEventArgs);
if (queryBeforeExecuteEventArgs.Cancel)
{
SetStreamState(StreamState.Stop);
return(null);
}
// TODO : LINVI - THIS CODE HAS CHANGED AND NEEDS TO BE CHECKED WITH ASP.NET
var responseStream = _webHelper.GetResponseStreamAsync(webRequest).Result;
if (responseStream != null)
{
reader = new StreamReader(responseStream, Encoding.GetEncoding("utf-8"));
}
}
catch (WebException wex)
{
HandleWebException(wex);
}
catch (Exception ex)
{
if (ex is ArgumentException)
{
if (ex.Message == "Stream was not readable.")
{
webRequest.Abort();
}
}
_lastException = ex;
SetStreamState(StreamState.Stop);
}
return(reader);
}
public async Task StartStreamAsync()
{
_authenticatedUser = await _taskFactory.ExecuteTaskAsync(() => _userFactory.GetAuthenticatedUser(Credentials));
if (_authenticatedUser == null)
{
StopStream(new UserStreamFailedToInitializeException("Could not receive information related with currently authenticated user."));
return;
}
Func <ITwitterQuery> generateTwitterQuery = delegate
{
var queryBuilder = new StringBuilder(Resources.Stream_UserStream);
AddBaseParametersToQuery(queryBuilder);
return(_twitterQueryFactory.Create(queryBuilder.ToString(), HttpMethod.GET, Credentials));
};
Action <string> eventReceived = json =>
{
RaiseJsonObjectReceived(json);
// We analyze the different types of message from the stream
if (TryGetEvent(json))
{
return;
}
if (TryGetTweet(json))
{
return;
}
if (TryGetMessage(json))
{
return;
}
if (TryGetWarning(json))
{
return;
}
if (TryGetFriends(json))
{
return;
}
TryInvokeGlobalStreamMessages(json);
};
await _streamResultGenerator.StartStreamAsync(eventReceived, generateTwitterQuery);
}
public async Task StartStreamAsync(string url)
{
Func <ITwitterQuery> generateTwitterQuery = delegate
{
var queryBuilder = new StringBuilder(url);
AddBaseParametersToQuery(queryBuilder);
return(_twitterQueryFactory.Create(queryBuilder.ToString(), HttpMethod.GET, Credentials));
};
Action <string> generateTweetDelegate = json =>
{
RaiseJsonObjectReceived(json);
var tweet = _tweetFactory.GenerateTweetFromJson(json);
if (tweet == null)
{
TryInvokeGlobalStreamMessages(json);
return;
}
var detectedTracksAndActions = _streamTrackManager.GetMatchingTracksAndActions(tweet.Text);
var detectedTracks = detectedTracksAndActions.Select(x => x.Item1);
var eventArgs = new MatchedTweetReceivedEventArgs(tweet)
{
MatchingTracks = detectedTracks.ToArray(),
};
if (detectedTracksAndActions.Any())
{
eventArgs.MatchOn = MatchOn.TweetText;
RaiseTweetReceived(eventArgs);
RaiseMatchingTweetReceived(eventArgs);
}
else
{
RaiseTweetReceived(eventArgs);
RaiseNonMatchingTweetReceived(new TweetEventArgs(tweet));
}
};
await _streamResultGenerator.StartStreamAsync(generateTweetDelegate, generateTwitterQuery);
}
private ITokenRateLimits GetTokenRateLimitsFromTwitter(IOAuthCredentials credentials)
{
if (_isRetrievingData)
{
return(null);
}
_isRetrievingData = true;
var result = _credentialsAccessor.ExecuteOperationWithCredentials(credentials, () =>
{
var twitterQuery = _twitterQueryFactory.Create(_helpQueryGenerator.GetCredentialsLimitsQuery(), HttpMethod.GET, credentials);
string jsonResponse = _twitterRequester.ExecuteQuery(twitterQuery);
return(_jsonObjectConverter.DeserializeObject <ITokenRateLimits>(jsonResponse));
});
_isRetrievingData = false;
return(result);
}
private bool TryPrepareRequest(
IHttpRequestParameters requestParameters,
RateLimitTrackerMode rateLimitTrackerMode,
ITwitterCredentials credentials,
out ITwitterQuery twitterQuery)
{
credentials = credentials ?? _credentialsAccessor.CurrentThreadCredentials;
if (credentials == null)
{
throw new TwitterNullCredentialsException();
}
twitterQuery = _twitterQueryFactory.Create(requestParameters.Query, requestParameters.HttpMethod, credentials);
twitterQuery.HttpContent = requestParameters.HttpContent;
twitterQuery.Timeout = requestParameters.Timeout ?? twitterQuery.Timeout;
var beforeQueryExecuteEventArgs = new QueryBeforeExecuteEventArgs(twitterQuery);
if (rateLimitTrackerMode == RateLimitTrackerMode.TrackOnly ||
rateLimitTrackerMode == RateLimitTrackerMode.TrackAndAwait)
{
// Use the RateLimitCacheManager instead of RateLimitHelper to get the queryRateLimits to ensure the cache is up to date!
var credentialRateLimits = _rateLimitCacheManager.GetCredentialsRateLimits(twitterQuery.TwitterCredentials);
IEndpointRateLimit queryRateLimit = null;
// If we were not able to retrieve the credentials few ms before there is no reason why it would work now.
if (credentialRateLimits != null)
{
queryRateLimit = _rateLimitCacheManager.GetQueryRateLimit(requestParameters.Query, twitterQuery.TwitterCredentials);
}
var timeToWait = _rateLimitAwaiter.GetTimeToWaitFromQueryRateLimit(queryRateLimit);
twitterQuery.CredentialsRateLimits = credentialRateLimits;
twitterQuery.QueryRateLimit = queryRateLimit;
twitterQuery.DateWhenCredentialsWillHaveTheRequiredRateLimits = DateTime.Now.AddMilliseconds(timeToWait);
_tweetinviEvents.RaiseBeforeQueryExecute(beforeQueryExecuteEventArgs);
if (beforeQueryExecuteEventArgs.Cancel)
{
twitterQuery = null;
return(false);
}
if (rateLimitTrackerMode == RateLimitTrackerMode.TrackAndAwait)
{
_rateLimitAwaiter.Wait(timeToWait);
}
}
else
{
_tweetinviEvents.RaiseBeforeQueryExecute(beforeQueryExecuteEventArgs);
if (beforeQueryExecuteEventArgs.Cancel)
{
twitterQuery = null;
return(false);
}
}
_tweetinviEvents.RaiseBeforeExecuteAfterRateLimitAwait(beforeQueryExecuteEventArgs);
return(true);
}