internal static bool SubmitSimpleQuestion(string username, int problemId, int answer)
{
using (TopCoderPrototypeEntities entityModel = new TopCoderPrototypeEntities())
{
CompetitionsUser cuser = entityModel.CompetitionsUsers.
Where(x => x.User.Username == username && x.Competition.CompetetionsProblems.Any(y => y.ProblemId == problemId)).FirstOrDefault();
if(cuser == null || !cuser.Start.HasValue || cuser.Start.Value.AddMinutes(cuser.Competition.Duration) < DateTime.Now)
{
return false;
}
SimpleProblemAnswer ans = new SimpleProblemAnswer();
ans.Answer = answer;
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(ms, ans);
Submission submission = new Submission();
submission.UserId = cuser.UserId;
submission.ProblemId = problemId;
submission.Submitted = DateTime.Now;
submission.Answer = ms.ToArray();
entityModel.Submissions.Where(x => x.UserId == cuser.UserId && x.ProblemId == problemId).ToList()
.ForEach(entityModel.Submissions.DeleteObject);
entityModel.AddToSubmissions(submission);
entityModel.SaveChanges();
}
return true;
}
internal static bool SubmitComplexQuestion(string username, int problemId, string answer)
{
using (TopCoderPrototypeEntities entityModel = new TopCoderPrototypeEntities())
{
CompetitionsUser cuser = entityModel.CompetitionsUsers.
Where(x => x.User.Username == username && x.Competition.CompetetionsProblems.Any(y => y.ProblemId == problemId)).FirstOrDefault();
if (cuser == null || !cuser.Start.HasValue || cuser.Start.Value.AddMinutes(cuser.Competition.Duration) < DateTime.Now)
{
return false;
}
string[] tokens = answer.Split(',');
List<int> ints = new List<int>();
foreach (string token in tokens)
{
int res = -1;
if (int.TryParse(token, out res))
{
ints.Add(res);
}
}
ComplexProblemAnswer ans = new ComplexProblemAnswer();
ans.Answers = ints.ToArray();
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(ms, ans);
Submission submission = new Submission();
submission.UserId = cuser.UserId;
submission.ProblemId = problemId;
submission.Submitted = DateTime.Now;
submission.Answer = ms.ToArray();
entityModel.Submissions.Where(x => x.UserId == cuser.UserId && x.ProblemId == problemId).ToList()
.ForEach(entityModel.Submissions.DeleteObject);
entityModel.AddToSubmissions(submission);
entityModel.SaveChanges();
}
return true;
}