// GET: Problems/Details/5
public async Task <IActionResult> Details(int?id)
{
if (id == null)
{
return(NotFound());
}
var problem = await _context.Problem
.FirstOrDefaultAsync(m => m.Id == id);
if (problem == null)
{
return(NotFound());
}
SubmitProblemViewModel submitProblemVM = new SubmitProblemViewModel();
submitProblemVM.Id = problem.Id;
submitProblemVM.ProblemName = problem.ProblemName;
submitProblemVM.ProblemDescription = problem.ProblemDescription;
submitProblemVM.ProblemLevel = problem.ProblemLevel;
submitProblemVM.Points = problem.Points;
return(View(submitProblemVM));
}
public async Task <IActionResult> Details(int id, [Bind("Id,ProblemName,ProblemDescription,ProblemLevel,Points,SubmittedAnswer")] SubmitProblemViewModel submittedProblem)
{
if (id != submittedProblem.Id)
{
return(NotFound());
}
var problem = await _context.Problem
.FirstOrDefaultAsync(m => m.Id == id);
if (problem == null)
{
return(NotFound());
}
if (ModelState.IsValid)
{
if (submittedProblem.SubmittedAnswer.Equals(problem.Answer))
{
var CurrentUser = new ApplicationUser();
CurrentUser = await GetCurrentUserAsync();
await _context.Entry(CurrentUser).Reference(x => x.MyTeam).LoadAsync(); //explicitly load myTeam because of lazy loading
CurrentUser.MyTeam.Score += problem.Points;
try
{
_context.Update(CurrentUser);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ProblemExists(problem.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("MyTeam", "Teams"));
}
}
return(RedirectToAction("Details", "Problems")); //refresh
}
public async Task <IActionResult> SaveOneProblem(SubmitProblemViewModel model)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var json = new mJsonResult();
Guid examProblemID = Guid.Parse(model.examProblemID);
using (var trans = _examContext.Database.BeginTransaction())
{
try
{
var userProScore = await _examContext.UserProblemScores
.FindAsync(examProblemID);
if (userProScore != null)
{
#region 判断（规定时间内答题）
if (userProScore.IsSubmitOver == 1)//已经提交的问题不允许提交
{
json.msg = "已经提交的问题不能再提交";
return(Ok(json));
}
if (!await GetProblemInCountdown(userProScore))
{
json.msg = "只能在规定时间内答题";
return(Ok(json));
}
#endregion
if (userProScore.SubmitAnswer != model.submitAnswer)
{
userProScore.ExaminationDate = DateTime.Now;
userProScore.SubmitAnswer = model.submitAnswer;
if (model.isSubmitOver.HasValue)
{
userProScore.IsSubmitOver = model.isSubmitOver.Value;//代表已提交
}
string answer = userProScore.Answer
.Replace("\n", "").Replace(" ", "")
.Replace("\t", "").Replace("\r", "");
if (userProScore.ProblemType == (int)eProblemType.狭路相逢)
{
userProScore.Score = model.submitAnswer == answer
? userProScore.ProblemScore : -userProScore.ProblemScore;
}
else
{
userProScore.Score = model.submitAnswer == answer
? userProScore.ProblemScore : 0;
}
_examContext.UserProblemScores.Update(userProScore);
_examContext.SaveChanges();
//统计所有
var userId = Guid.Parse(_identityService.GetUserIdentity());
var userExamScore = await _examContext.UserExamScores
.SingleOrDefaultAsync(s => s.UserID == userId);
var userProblemScore = _examContext.UserProblemScores
.Where(x => x.Score.HasValue && x.UserID == userId);
switch (userProScore.ProblemType)
{
case (int)eProblemType.争分夺秒:
userExamScore.TypeScores1 = userProblemScore
.Where(x => x.ProblemType == (int)eProblemType.争分夺秒)
.Sum(s => s.Score);
break;
case (int)eProblemType.一比高下:
userExamScore.TypeScores2 = userProblemScore
.Where(x => x.ProblemType == (int)eProblemType.一比高下)
.Sum(s => s.Score);
break;
case (int)eProblemType.狭路相逢:
userExamScore.TypeScores3 = userProblemScore
.Where(x => x.ProblemType == (int)eProblemType.狭路相逢)
.Sum(s => s.Score);
break;
}
userExamScore.TotalScores = (userExamScore.TypeScores1 ?? 0)
+ (userExamScore.TypeScores2 ?? 0) + (userExamScore.TypeScores3 ?? 0);
_examContext.UserExamScores.Update(userExamScore);
_examContext.SaveChanges();
trans.Commit();//显式事物提交
json.success = true;
}
}
else
{
return(NotFound());
}
}catch (Exception ex)
{
trans.Rollback();
_logger.LogError("保存一道题目的时候出错:{0}", ex.Message);
//throw new Exception();
}
}
return(Ok(json));
}