public async Task <OjResult> SubmitCode([FromBody] OjSubmission submission)
{
async Task <OjResult> execute(UserInfo userInfo)
{
const string ojStatus = "oj_status";
const string pending = "pending";
const string over = "over";
var status = sessionUtils.GetString(HttpContext, ojStatus);
switch (status)
{
case "pending":
return(new OjResult {
Pending = true, Pass = false, Failed = false
});
case null:
case "over":
//"over" or null means this submit should be a new request
var t = ojService.PendResult(userInfo.Id, submission.OjQuestionId, submission.Code);
sessionUtils.SetString(HttpContext, ojStatus, pending);
var res = await t;
if (res.Pass)
{
await ojService.SaveSuccess(userInfo.Id, submission.OjQuestionId);
}
sessionUtils.SetString(HttpContext, ojStatus, over);
return(res);
default:
throw new NonUserException("How could this happen ???");
}
}
var userInfo = sessionUtils.GetCachedUserInfo(HttpContext);
if (userInfo == null)
{
throw new UserException("用户未登录！");
}
var ojResult = await execute(userInfo);
if (ojResult.Pending)
{
return(ojResult);
}
if (ojResult.Pass)
{
await ojService.AddSubmitRecord(userInfo.Id, submission.OjQuestionId, submission.Code, "Pass All Test Cases");
}
else if (ojResult.Failed)
{
await ojService.AddSubmitRecord(userInfo.Id, submission.OjQuestionId, submission.Code, "Compilation Failed");
}
else if (!ojResult.Failed)
{
await ojService.AddSubmitRecord(userInfo.Id, submission.OjQuestionId, submission.Code, "Can't Pass All Test Cases");
}
return(ojResult);
}
public async Task <QuizStatus> StartQuiz()
{
var userInfo = RaiseIfNotLoggedIn();
var status = sessionUtils.GetString(HttpContext, QuizStatus);
async Task <QuizStatus> AnsweringDelegate()
{
var currScore = sessionUtils.GetInt(HttpContext, CurrScore);
var currQuestionId = sessionUtils.GetString(HttpContext, CurrQuestionId);
if (!currScore.HasValue || currQuestionId == null)
{
//若已经丢失上次的分数和问题id，则直接重置
InitQuizStatus();
return(new QuizStatus {
Ok = true, ContinueLast = false
});
}
int timeLeft;
if ((timeLeft = TimeLeft()) <= 0)
{
//已超时
var saved = await quizService.SaveScore(userInfo.Id, currScore.Value);
InitQuizStatus();
return(new QuizStatus {
Ok = true, AutomaticSubmitted = true
});
}
else
{
//继续上次答题
//把上次的问题查询到
var lastQuestion = await quizService.GetQuestion(currQuestionId);
return(new QuizStatus {
Ok = false, LastRemainingSecs = timeLeft, ContinueLast = true, LastScore = currScore.Value, LastQuizQuestion = lastQuestion
});
}
}
QuizStatus OverOrNullDelegate()
{
InitQuizStatus();
return(new QuizStatus {
Ok = true, ContinueLast = false
});
}
switch (status)
{
case Answering:
return(await AnsweringDelegate());
case Over:
case null:
return(OverOrNullDelegate());
default:
throw new NonUserException("How could this happen ???");
}
}
