public TrendsList GetTrends()
{
TrendsList trendsList = new TrendsList();
TrendsList currentTrendsList = new TrendsList();
try
{
TwitterCredentials accessToken = new TwitterAuthService().Authenticate();
string headerName = "Authorization";
string headerValue = accessToken.User + " " + accessToken.Token;
JSONConnector JSONConnector = new JSONConnector();
JArray currentTrendsArray = JSONConnector.GetJSONArrayWithHeader(CURRENT_TRENDS_URL, headerName, headerValue);
new TwitterTrendsParser().Parse(currentTrendsArray, currentTrendsList);
}
catch (Exception exception)
{
ErrorService.Log("TwitterTrendsService", "GetTrends", null, exception);
}
if (twitterTrendsQueue.Count >= QUEUE_SIZE)
{
twitterTrendsQueue.Dequeue();
}
twitterTrendsQueue.Enqueue(currentTrendsList);
foreach (TrendsList twitterTrendsList in twitterTrendsQueue)
{
trendsList.AddTrends(twitterTrendsList);
}
return trendsList;
}
public void FillTopic(TopicItem topicItem)
{
String query = topicItem.Query.ToLower().Replace(" ", "_");
query = TextCleaner.CleanQuery(query);
if (query.Length > 0)
{
try
{
string urlTemplate = "https://www.googleapis.com/freebase/v1/topic/en/{0}?key={1}&{2}";
string apiKey = ConfigService.GetConfig(ConfigKeys.GOOGLE_API_KEY, "");
string[] domains = new string[] {
"/common/topic/alias",
"/common/topic/description",
"/common/topic/image",
"/common/topic/official_website",
"/common/topic/social_media_presence",
"/influence/influence_node/influenced_by",
"/people/person/date_of_birth"
};
string filters = "filter=" + String.Join("&filter=", domains);
string url = string.Format(urlTemplate, HttpUtility.UrlEncode(query),apiKey,filters);
JSONConnector JSONConnector = new JSONConnector();
JObject searchResultsJSONObject = JSONConnector.GetJSONObject(url);
new FreebaseTopicParser().Parse(searchResultsJSONObject, topicItem);
}
catch (Exception exception)
{
ErrorService.Log("FreebaseTopicService", "FillTopic", topicItem.ToString(), exception);
}
}
}
public TwitterCredentials Authenticate()
{
if (twitterCredentials == null)
{
try
{
string url = "https://api.twitter.com/oauth2/token";
string consumerSecret = ConfigService.GetConfig(ConfigKeys.TWITTER_ACCESS_CONSUMER_SECRET, "");
string consumerKey = ConfigService.GetConfig(ConfigKeys.TWITTER_ACCESS_CONSUMER_KEY, "");
String bearerCredentials = HttpUtility.UrlEncode(consumerKey) + ":" + HttpUtility.UrlEncode(consumerSecret);
bearerCredentials = Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(bearerCredentials));
JSONConnector JSONConnector = new JSONConnector();
JObject searchResultsJSONObject = JSONConnector.PostJSONObjectWithHeader(url, "Authorization", "Basic " + bearerCredentials, "grant_type=client_credentials");
twitterCredentials = new TwitterAuthParser().Parse(searchResultsJSONObject);
}
catch (Exception exception)
{
ErrorService.Log("TwitterSearchService", "Auth", "Authentication Failed", exception);
}
}
return twitterCredentials;
}
public SearchResultList Search(SearchContext searchContext)
{
SearchResultList resultList = new SearchResultList();
try
{
string urlTemplate;
switch (searchContext.SearchType)
{
case SearchTypeEnum.News:
urlTemplate = "http://ajax.googleapis.com/ajax/services/search/news?v={0}&rsz=large&key={1}&q={2}&start={3}";
break;
case SearchTypeEnum.Web:
urlTemplate = "http://ajax.googleapis.com/ajax/services/search/web?v={0}&rsz=large&key={1}&q={2}&start={3}";
break;
default:
return resultList;
}
string api = ConfigService.GetConfig(ConfigKeys.GOOGLE_API_KEY, "");
string query = searchContext.Query;
int countPerPage = ConfigService.GetConfig(ConfigKeys.THEINTERNETBUZZ_SEARCH_COUNT_PER_PAGE_PER_PROVIDER, 8);
int page = (searchContext.Page - 1) * countPerPage;
string url = string.Format(urlTemplate, API_VERSION, api, HttpUtility.UrlEncode(query), page);
JSONConnector JSONConnector = new JSONConnector();
JObject searchResultsJSONObject = JSONConnector.GetJSONObject(url);
new GoogleSearchParser().Parse(searchResultsJSONObject, resultList);
}
catch (Exception exception)
{
ErrorService.Log("GoogleSearchService", "Search", searchContext.ToString(), exception);
}
return resultList;
}
public SearchResultList Search(SearchContext searchContext)
{
SearchResultList resultList = new SearchResultList();
try
{
string urlTemplate;
switch (searchContext.SearchType)
{
case SearchTypeEnum.Tweet:
urlTemplate = "https://api.twitter.com/1.1/search/tweets.json?q={0}&count={1}&result_type=mixed&include_entities=false";
break;
default:
return resultList;
}
TwitterCredentials accessToken = new TwitterAuthService().Authenticate();
string headerName = "Authorization";
string headerValue = accessToken.User + " " + accessToken.Token;
string query = searchContext.Query;
int countPerPage = ConfigService.GetConfig(ConfigKeys.THEINTERNETBUZZ_SEARCH_COUNT_PER_PAGE_PER_PROVIDER, 8);
int page = searchContext.Page;
string url = string.Format(urlTemplate, HttpUtility.UrlEncode(query), countPerPage);
JSONConnector JSONConnector = new JSONConnector();
JObject searchResultsJSONObject = JSONConnector.GetJSONObjectWithHeader(url, headerName, headerValue);
new TwitterSearchParser().Parse(searchResultsJSONObject, resultList);
}
catch (Exception exception)
{
ErrorService.Log("TwitterSearchService", "Search", searchContext.ToString(), exception);
}
return resultList;
}
public TrendsList GetTrends()
{
string urlTemplate;
switch (trendsType)
{
case WhatTheTrendTypeEnum.Current:
urlTemplate = "http://api.whatthetrend.com/api/v2/trends.json?api_key={0}";
break;
case WhatTheTrendTypeEnum.MostEdited:
urlTemplate = "http://api.whatthetrend.com/api/v2/trends/active.json?api_key={0}";
break;
default:
urlTemplate = "http://api.whatthetrend.com/api/v2/trends.json?api_key={0}";
break;
}
TrendsList trendsList = new TrendsList();
try
{
string api = ConfigService.GetConfig(ConfigKeys.WHATTHETREND_API_KEY, "");
string url = string.Format(urlTemplate, api);
JSONConnector JSONConnector = new JSONConnector();
JObject currentTrendsRootJSONObject = JSONConnector.GetJSONObject(url);
new WhatTheThrendTrendsParser().Parse(currentTrendsRootJSONObject, trendsList);
}
catch (Exception exception)
{
ErrorService.Log("WhatTheTrendTrendsService", "GetTrends", urlTemplate, exception);
}
return trendsList;
}
