public int?SetVote(int?articleId, bool voteValue, string uniqueIdentifier = null)
{
lock (Sync)
{
if (_ignoreVotesUntil.HasValue && _ignoreVotesUntil.Value > DateTime.Now)
{
return(null);
}
var delay = AppSettings.Get <int>("VoteDelay");
_ignoreVotesUntil = DateTime.Now.AddSeconds(delay);
}
if (!articleId.HasValue)
{
articleId = _currentArticleId;
}
if (!articleId.HasValue)
{
throw new Exception("articleId needed to set vote");
}
int voteId, nextArticleId;
Entities.VoteStatistics voteStatistics = null;
using (var db = new NpgsqlConnection(_connectionString))
{
voteId = db.setVote(articleId.Value, voteValue);
nextArticleId = db.GetNextArticleId();
if (uniqueIdentifier != null)
{
voteStatistics = db.GetStatisticsForVote(voteId);
}
db.Close();
}
// N: next question
// S: prev question + answer statistics
// O: prev question + answer statistics
PublishMessage(_channels.ScreenN, new { articleId = nextArticleId });
PublishMessage(_channels.ScreenS, new { articleId, voteId });
PublishMessage(_channels.ScreenO, new { articleId, voteId });
_currentArticleId = nextArticleId;
if (uniqueIdentifier != null && voteStatistics != null)
{
var payloadConfigKey = voteStatistics.votedCorrect ? "OpenTriggerCorrectAnswerPayload" : "OpenTriggerWrongAnswerPayload";
var payload = AppSettings.Get(payloadConfigKey);
var uri = new Uri($"coap://{uniqueIdentifier}/led/RGB");
var request = new Request(Method.PUT)
{
URI = uri, PayloadString = payload
};
request.Send();
}
return(nextArticleId);
}
public static RightAndWrong GetRightAndWrong(this Entities.VoteStatistics s)
{
var r = new RightAndWrong();
var notSameVote = s.allVotes - s.sameVote;
if (s.votedCorrect)
{
r.Right = s.sameVote;
r.Wrong = notSameVote;
}
else
{
r.Wrong = s.sameVote;
r.Right = notSameVote;
}
return(r);
}