public Submission CreateProblemSubmission(int problem_id, SubmissionFormData submission_data)
{
var problem = context.Problems.Find(problem_id);
var judge = new JudgeService();
if (problem == null)
{
throw new ObjectNotFoundException("Problem with specified id does not exist");
}
// Trace.WriteLine(submission_data.ProgrammingLanguageId);
var submission = InitializeSubmissionObject(problem, submission_data);
context.Submissions.Add(submission);
context.SaveChanges();
judge.OnSubmissionStatusChange += (sender, e) => {
var result = e.ExecutionResult;
submission.Status = context.SubmissionStatus.Find(result.Verdict);
submission.RunningTime = result.RunningTime;
submission.PeakMemmoryUsage = result.MemmoryUsage;
// submission.PeakMemmoryUsage = result.Verdict == Verdict.CompilationError ? 0 : 5; // TODO REPLACE WITH REAL VALUE
submission.StandardErrorStream = result.ErrorMsg;
context.SaveChanges();
// this event must be emitter *after* invoking context.SaveChanges()
OnSubmissionStatusChange?.Invoke(this, e);
};
judge.judge(submission_data, problem);
return(submission);
}
public void CreateProblem(ProblemCreationForm data)
{
Problem problem = new Problem()
{
Title = data.Title,
Description = data.Description,
Constraints = data.Constraints,
InputSpecification = data.InputSpecification,
OutputSpecification = data.OutputSpecification,
SampleInput = data.SampleInput,
SampleOutput = data.SampleOutput,
Notes = data.Notes,
TimeLimit = data.TimeLimit,
MemoryLimit = data.MemoryLimit,
IsPublic = data.IsPublic,
TestCaseInput = data.TestCaseInput,
TestCaseOutput = data.TestCaseOutput,
CreateDate = DateTime.Now,
Creator = context.Users.Find(user_service.GetUserId()),
};
context.Problems.Add(problem);
context.SaveChanges();
}
public void CreateSubmission(int contest_id, int problem_no, SubmissionFormData submission_data)
{
// important: submission_repository must be initialized using this.context
SubmissionRepository submission_repository = new SubmissionRepository(context);
Contest contest = context.Contests.Include(x => x.Problems).FirstOrDefault(x => x.Id == contest_id);
if (contest.EndDate < DateTime.Now)
{
throw new InvalidOperationException("Can not create submission to contest that has ended");
}
if (contest.StartDate > DateTime.Now)
{
throw new InvalidOperationException("Can not create submission to contest that has not started");
}
ContestProblem contest_problem = contest.Problems.FirstOrDefault(x => x.Order == problem_no);
Problem problem = contest_problem.Problem;
submission_repository.OnSubmissionStatusChange += (Object sender, ExecutionResultEventArgs args) => {
// the submission entry is updated by SubmissionRepository,
// this handler only updates the contestant
// replace with real user
var contestant = context.Contestants.Include(x => x.Submissions).First(x => x.Contest.Id == contest_id);
contestant.Penalty = contest_service.CalclatePenalty(contestant.Submissions);
contestant.SolveCount = context.ContestProblems.Count(x => x.Submissions.
Count(y => y.Submission.Status.Id == Verdict.Accepted) > 0);
context.SaveChanges();
};
User submitter = context.Users.First();
Submission submission = submission_repository.CreateProblemSubmission(problem.Id, submission_data);
ContestSubmission contest_submission = new ContestSubmission()
{
Submitter = context.Contestants.First(x => x.Contest.Id == contest_id && x.User.Id == submitter.Id),
Problem = contest_problem,
Submission = submission,
};
contest.Submissions.Add(contest_submission);
context.SaveChanges();
}
public Announcement createAnnouncement(AnnouncementFormData data)
{
Announcement announcement = new Announcement()
{
Title = data.Title,
Description = data.Description,
CreateDate = DateTime.Now,
Creator = context.Users.Find(user_service.GetUserId())
};
context.Announcements.Add(announcement);
context.SaveChanges();
return(announcement);
}
public void UpdateUser(int id, UserProfileUpdateForm data)
{
User user = context.Users.Find(id);
if (user == null)
{
throw new ObjectNotFoundException("User with specified ID not found");
}
user.Email = data.Email;
user.Password = data.Password;
user.UserType = context.UserTypes.Find(data.UserType);
context.SaveChanges();
}
public Contestant RegisterUserForContest(int contest_id, int user_id, ContestRegistrationFormData data)
{
Contest contest = context.Contests.Include(x => x.Contestants).FirstOrDefault(x => x.Id == contest_id);
var user = context.Users.Find(user_id);
if (contest == null)
{
throw new ObjectNotFoundException("Contest with specified id not found");
}
if (user == null)
{
throw new ObjectNotFoundException("User with specified id not found");
}
// if user is already registered for this contest
if (contest.Contestants.Count(x => x.User == user) > 0)
{
throw new InvalidOperationException("User is already registered for contest");
}
if (!contest.IsPublic && contest.Password != data.Password)
{
throw new InvalidOperationException("Wrong password for registation");
}
if (contest.StartDate < DateTime.Now)
{
throw new InvalidOperationException("Contest registration time has ended");
}
Trace.WriteLine(contest.Contestants.Count);
var contestant = new Contestant(user);
contest.Contestants.Add(contestant);
context.SaveChanges();
return(contestant);
}