internal override bool ProcessAnswer(int questId, ref string message)
{
if (_questIds.Contains(questId))
{
_ansIds.Add(questId);
}
else
{
return(false);
}
if (_currentQuestion.QuestIndex != questId)
{
return(false);
}
BaseQuestionProvider qp = QuestionsHtmlFactory.GetQuestionProvider(_currentQuestion);
string answer = null;
bool? isRightAnswer = qp.IsRightAnswer(_requestParams, ref message, ref answer);
if (!isRightAnswer.HasValue)
{
return(false);
}
double mark = 0;
if (isRightAnswer.Value)
{
mark = _testorData.CoreQuestions.Where(c => c.QuestionId == questId).FirstOrDefault().QuestionMark;
_score += mark;
}
OnScoreChanged();
return(true);
}
public QuestAnswerResult ProcessAnswer(int questId, Dictionary <string, List <string> > requestParams)
{
Debug.Assert(questId > 0);
QuestAnswerResult retValue = new QuestAnswerResult();
using (DataClassesTestorCoreDataContext dataContext = new DataClassesTestorCoreDataContext(TestorSecurityProvider.ConnectionString))
{
var session = (from c in dataContext.TestSessions
join x in dataContext.CoreTests on c.TestId equals x.TestId
where c.EndTime == null && c.UserId == Provider.CurrentUser.UserId
select new
{
x.TestId,
x.TimeLimit,
c.TestSessionId,
c.StartTime,
c.AdditionalTime
}).First();
int timeLimit = session.TimeLimit;
if (timeLimit != 0 && session.AdditionalTime.HasValue)
{
timeLimit += session.AdditionalTime.Value;
}
if (session.TimeLimit != 0 && (DateTime.Now - session.StartTime).TotalMinutes > timeLimit + 1)
{
throw new Exception("Время истекло");
}
TestorData testorData = GetQuestion(questId, true, false, false);
HtmlStore currentQuestion = HtmlStore.GetHtmlStore(testorData, questId);
BaseQuestionProvider qp = QuestionsHtmlFactory.GetQuestionProvider(currentQuestion);
string message = null;
string answer = null;
retValue.isRightAnswer = qp.IsRightAnswer(requestParams, ref message, ref answer);
retValue.Message = message;
retValue.Score = 0;
if (!retValue.isRightAnswer.HasValue)
{
return(retValue);
}
if (retValue.isRightAnswer.Value)
{
retValue.Score = testorData.CoreQuestions.Where(c => c.QuestionId == questId).FirstOrDefault().QuestionMark;
}
var tsq = dataContext.TestSessionQuestions.Where(
c => c.QuestionId == questId && c.TestSessionId == session.TestSessionId).First();
tsq.IsRightAnswer = retValue.isRightAnswer;
tsq.Answer = answer;
dataContext.SubmitChanges();
}
return(retValue);
}
public string GetQuestionHtml()
{
string retValue = QuestionsHtmlFactory.GetQuestionHtml(
_provider.CurrentQuestion, _provider.ProviderMode);
if (_provider.ProviderMode == ProviderMode.LocalMode)
{
return(GetQuestHtml(retValue));
}
else
{
return(retValue);
}
}
//Не является операцией сервиса
private TestorData GetQuestion(int questId, bool getRightAnswer, bool isAppeal, bool getBLOBs)
{
TestorData retValue = new TestorData();
using (DataClassesTestorCoreDataContext dataContext = new DataClassesTestorCoreDataContext(TestorSecurityProvider.ConnectionString))
{
if (!isAppeal)
{
if (QueriesUtility.IsQuestInSessionFunc(dataContext, Provider.CurrentUser.UserId, questId) <= 0)
{
throw new Exception("Данный вопрос не входит в тест");
}
}
var questRow = retValue.CoreQuestions.NewCoreQuestionsRow();
var quest = (from c in dataContext.CoreQuestions
where c.QuestionId == questId
select new
{
c.TestId,
c.QuestionType,
c.QuestionId,
c.Question,
c.QuestionMark
}).First();
questRow.TestId = quest.TestId;
questRow.QuestionType = quest.QuestionType;
questRow.QuestionId = quest.QuestionId;
questRow.Question = quest.Question;
questRow.QuestionMark = quest.QuestionMark;
questRow.QuestionMetadata = String.Empty;
var questProvider = QuestionsHtmlFactory.GetQuestionProvider((QuestionType)quest.QuestionType, null);
if (getRightAnswer || questProvider.SendAnswersToClient)
{
var answers = from c in dataContext.CoreAnswers
where c.QuestionId == quest.QuestionId
select new
{
c.Answer,
c.AnswerId,
c.IsTrue
};
foreach (var answer in answers)
{
var answerRow = retValue.CoreAnswers.NewCoreAnswersRow();
answerRow.Answer = answer.Answer;
answerRow.AnswerId = answer.AnswerId;
answerRow.AnswerMetadata = String.Empty;
answerRow.QuestionId = questRow.QuestionId;
if (getRightAnswer)
{
answerRow.IsTrue = answer.IsTrue;
}
else
{
answerRow.IsTrue = false;
}
retValue.CoreAnswers.AddCoreAnswersRow(answerRow);
}
}
if (getBLOBs)
{
var blobs = from c in dataContext.CoreBLOBs
where c.QuestionId == quest.QuestionId
select new
{
c.BLOBId,
c.BLOBContent
};
foreach (var blob in blobs)
{
var blobRow = retValue.CoreBLOBs.NewCoreBLOBsRow();
blobRow.BLOBContent = blob.BLOBContent.ToArray();
blobRow.BLOBId = blob.BLOBId;
blobRow.QuestionId = questRow.QuestionId;
retValue.CoreBLOBs.AddCoreBLOBsRow(blobRow);
}
}
retValue.CoreQuestions.AddCoreQuestionsRow(questRow);
}
return(retValue);
}
