public static ISearchStream StartSearchStream(this IUserSession session, IEnumerable<string> track = null, IEnumerable<string> follow = null, IEnumerable<string> locations = null)
{
var searchStream = new SearchStream();
searchStream.SearchParameters = searchStream.ChangeSearchParameters(track, follow, locations);
Func<Task<HttpResponseMessage>> startConnection = () =>
{
if (searchStream.SearchParameters.EnsureOneOf(new[] { "track", "follow", "locations" }).IsFalse())
return null;
var request = session.CreatePost(TwitterApi.SearchStreaming("/1.1/statuses/filter.json"),
searchStream.SearchParameters);
var c = new HttpClient() { Timeout = TimeSpan.FromDays(1) };
return c.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, searchStream.CancelStream.Token);
};
searchStream.CreateOpenConnection = startConnection;
return searchStream;
}
/// <summary>
/// Start a SearchStream
/// </summary>
/// <param name="textToSearch">text string to begin search</param>
public void StartSearchStreaming(string textToSearch)
{
_twitterSearchCommunicationToken = new CancellationTokenSource();
// when the searchstream gets disconnected, revert to polling (REST) searches
_searchStreamDisconnected.Where(status => status.Equals(true)).Subscribe(StartPollingSearch);
_currentSearchText = textToSearch;
//
if (UserSession.IsActive)
{
SearchStream = UserSession.StartSearchStream(track: textToSearch);
SearchStream.FoundTweets.Subscribe(_searchtimeline.OnNext);
SearchStream.Start();
SearchStream.StreamActive.Subscribe(t => ManageSearchStreamDisconnect());
}
else
{
// cannot get usersession, fall back
_searchStreamDisconnected.OnNext(true);
}
// and get "backfills"; tweets that pre-date the current stream/polling connection
Task.Factory.StartNew(ProcessSearchBackFill_Pump);
}
public static ISearchStream StartSearchStream(this IUserSession session, IEnumerable <string> track = null, IEnumerable <string> follow = null, IEnumerable <string> locations = null)
{
var searchStream = new SearchStream();
searchStream.SearchParameters = searchStream.ChangeSearchParameters(track, follow, locations);
Func <Task <HttpResponseMessage> > startConnection = () =>
{
if (searchStream.SearchParameters.EnsureOneOf(new[] { "track", "follow", "locations" }).IsFalse())
{
return(null);
}
var request = session.CreatePost(TwitterApi.SearchStreaming("/1.1/statuses/filter.json"),
searchStream.SearchParameters);
var c = new HttpClient()
{
Timeout = TimeSpan.FromDays(1)
};
return(c.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, searchStream.CancelStream.Token));
};
searchStream.CreateOpenConnection = startConnection;
return(searchStream);
}
/// <summary>
/// Stop SearchStreaming
/// </summary>
public void StopSearchStreaming()
{
_twitterSearchCommunicationToken.Cancel();
SearchStream.Stop();
}
