public async Task <ActionResult <QuestionContract> > NextQuestion(string sessionId)
{
if (_sessions.Any(x => x.SessionId == sessionId)) // existing session
{
var session = _sessions.First(x => x.SessionId == sessionId);
var remainingQuestions = _questionList.Questions.Where(q => !session.Questions.Any(sq => sq.Id == q.Id)).ToArray();
if (remainingQuestions.Length == 0)
{
return(NotFound());
}
var question = remainingQuestions[new Random().Next(remainingQuestions.Count())];
session.Questions.Add(question);
var contract = new QuestionContract(question.Id, question.Message, question.Answers);
return(contract);
}
else // new session
{
var question = _questionList.Questions[new Random().Next(_questionList.Questions.Length)];
var session = new SessionQuiz(sessionId);
session.Questions.Add(question);
_sessions.Add(session);
var contract = new QuestionContract(question.Id, question.Message, question.Answers);
return(contract);
}
}
public async Task <IActionResult> question(int id, [FromBody] QuestionContract question)
{
Logger.HttpRequestOutput("PUT", "api/question/question");
bool result = DataBaseService.EditQuestion(id, question);
return(Json(result));
}
/// <summary>
/// 题目转换
/// </summary>
public static QuestionContract ConvertQuestion(CiWong.Tools.Workshop.DataContracts.QuestionContract question, long parentVersion = 0, decimal questionRefScore = 0, bool isConvertRefInfo = true)
{
if (null == question)
{
return(null);
}
var questionContract = new QuestionContract();
questionContract.Id = question.Id;
questionContract.VersionId = question.VersionId;
questionContract.Type = (int)question.Type;
questionContract.Stem = TemplateConverter.Instance.ConvertToHtml(question.Trunk.Body, TemplateConverter.Mathml, TemplateConverter.Mathlate, TemplateConverter.MathmlBlank, TemplateConverter.Math);
questionContract.IsObjective = question.IsObjective;
questionContract.QuestionRefSorce = Convert.ToSingle(questionRefScore);
questionContract.ParentVersion = parentVersion;
questionContract.Opions = question.Options.Select(t => ConvertOption(t)).ToList();
if (null != question.Trunk.Attachments)
{
questionContract.Attachments = question.Trunk.Attachments.Select(t => ConvertAttachment(t)).ToList();
}
if (isConvertRefInfo)
{
questionContract.RefInfo = ConvertRefInfo(question);
}
return(questionContract);
}
/// <summary>
/// 题目转换
/// </summary>
public static QuestionContract ConvertQuestion(Ques.Core.Models.Question question, float questionRefScore = 0, bool isConvertRefInfo = true)
{
if (null == question)
{
return(null);
}
var questionContract = new QuestionContract();
questionContract.Id = question.QuestionID;
questionContract.VersionId = question.Version;
questionContract.Type = (int)question.qType;
questionContract.CurriculumID = (int)question.CurriculumID;
questionContract.Stem = null == question.Stem ? string.Empty : TemplateConverter.Instance.ConvertToHtml(question.Stem, TemplateConverter.Mathml, TemplateConverter.Mathlate, TemplateConverter.MathmlBlank, TemplateConverter.Math);
questionContract.IsObjective = question.IsObjective;
questionContract.QuestionRefSorce = questionRefScore;
questionContract.ParentVersion = question.ParentOfVersion;
questionContract.Opions = question.Option.Select(t => ConvertOption(t)).ToList();
questionContract.Attachments = question.Attachments.Where(t => t.Type == AttachmentType.Problem).Select(t => ConvertAttachment(t)).ToList();
questionContract.KnowledgePoints = question.Point.Select(t => new KnowledgePoint()
{
PointCode = t.Code ?? string.Empty,
PointName = t.Name ?? string.Empty
});
if (isConvertRefInfo)
{
questionContract.RefInfo = ConvertRefInfo(question);
}
return(questionContract);
}
public async Task <IActionResult> question([FromBody] QuestionContract question)
{
Logger.HttpRequestOutput("POST", "api/question/question");
int questionid = DataBaseService.SaveQuestion(question);
bool result = DataBaseService.SaveAnswer(question, questionid);
return(Json(result));
}
public static bool SaveAnswer(QuestionContract questionContract, int id)
{
try
{
SaveAnswer(questionContract.Answer1, id);
SaveAnswer(questionContract.Answer2, id);
SaveAnswer(questionContract.Answer3, id);
return(true);
}
catch (Exception ex)
{
Logger.ExceptionOutput(ex);
return(false);
}
}
public static bool EditQuestion(int id, QuestionContract question)
{
try
{
var Question = (from query_question in model.QuestionList
where query_question.Id == id
select query_question).Single();
Question.QuestionDescription = question.QuestionDescription;
Question.AdditionalInformation = question.AdditionalInformation;
model.SaveChanges();
return(true);
} catch (Exception ex) {
Logger.ExceptionOutput(ex);
return(false);
}
}
public static int SaveQuestion(QuestionContract questionContract)
{
try
{
Question question = new Question()
{
SurveyId = Int32.Parse(questionContract.SurveyId),
QuestionDescription = questionContract.QuestionDescription,
AdditionalInformation = questionContract.AdditionalInformation,
};
model.QuestionList.Add(question);
model.SaveChanges();
return(question.Id);
} catch (Exception ex) {
Logger.ExceptionOutput(ex);
return(0);
}
}