Exemplo n.º 1
0
        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);
        }
Exemplo n.º 3
0
        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);
        }
Exemplo n.º 4
0
        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);
        }
Exemplo n.º 5
0
        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);
        }
Exemplo n.º 6
0
        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);
        }
Exemplo n.º 7
0
        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);
        }
Exemplo n.º 8
0
        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);
        }
Exemplo n.º 10
0
        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);
        }
Exemplo n.º 11
0
        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);
        }
Exemplo n.º 12
0
        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);
        }
Exemplo n.º 13
0
        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);
        }
Exemplo n.º 14
0
        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);
        }
Exemplo n.º 15
0
        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);
        }
Exemplo n.º 16
0
        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);
        }