174 lines
7 KiB
Python
174 lines
7 KiB
Python
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from operator import attrgetter
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from django.db.models import F, Prefetch
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from django.http import Http404, JsonResponse
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from django.shortcuts import get_object_or_404
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from dmoj import settings
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from judge.models import Contest, ContestParticipation, ContestTag, Problem, Profile, Submission
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def sane_time_repr(delta):
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days = delta.days
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hours = delta.seconds / 3600
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minutes = (delta.seconds % 3600) / 60
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return '%02d:%02d:%02d' % (days, hours, minutes)
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def api_v1_contest_list(request):
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queryset = Contest.objects.filter(is_visible=True, is_private=False,
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is_organization_private=False).prefetch_related(
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Prefetch('tags', queryset=ContestTag.objects.only('name'), to_attr='tag_list')).defer('description')
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return JsonResponse({c.key: {
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'name': c.name,
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'start_time': c.start_time.isoformat(),
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'end_time': c.end_time.isoformat(),
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'time_limit': c.time_limit and sane_time_repr(c.time_limit),
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'labels': list(map(attrgetter('name'), c.tag_list)),
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} for c in queryset})
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def api_v1_contest_detail(request, contest):
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contest = get_object_or_404(Contest, key=contest)
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in_contest = contest.is_in_contest(request.user)
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can_see_rankings = contest.can_see_scoreboard(request.user)
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if contest.hide_scoreboard and in_contest:
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can_see_rankings = False
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problems = list(contest.contest_problems.select_related('problem')
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.defer('problem__description').order_by('order'))
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participations = (contest.users.filter(virtual=0, user__is_unlisted=False)
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.prefetch_related('user__organizations')
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.annotate(username=F('user__user__username'))
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.order_by('-score', 'cumtime') if can_see_rankings else [])
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can_see_problems = (in_contest or contest.ended or contest.is_editable_by(request.user))
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return JsonResponse({
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'time_limit': contest.time_limit and contest.time_limit.total_seconds(),
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'start_time': contest.start_time.isoformat(),
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'end_time': contest.end_time.isoformat(),
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'tags': list(contest.tags.values_list('name', flat=True)),
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'is_rated': contest.is_rated,
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'rate_all': contest.is_rated and contest.rate_all,
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'has_rating': contest.ratings.exists(),
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'rating_floor': contest.rating_floor,
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'rating_ceiling': contest.rating_ceiling,
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'format': {
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'name': contest.format_name,
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'config': contest.format_config,
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},
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'problems': [
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{
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'points': int(problem.points),
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'partial': problem.partial,
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'name': problem.problem.name,
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'code': problem.problem.code,
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} for problem in problems] if can_see_problems else [],
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'rankings': [
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{
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'user': participation.username,
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'points': participation.score,
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'cumtime': participation.cumtime,
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'is_disqualified': participation.is_disqualified,
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'solutions': contest.format.get_problem_breakdown(participation, problems),
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} for participation in participations],
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})
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def api_v1_problem_list(request):
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queryset = Problem.objects.filter(is_public=True, is_organization_private=False)
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if settings.ENABLE_FTS and 'search' in request.GET:
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query = ' '.join(request.GET.getlist('search')).strip()
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if query:
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queryset = queryset.search(query)
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queryset = queryset.values_list('code', 'points', 'partial', 'name', 'group__full_name')
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return JsonResponse({code: {
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'points': points,
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'partial': partial,
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'name': name,
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'group': group,
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} for code, points, partial, name, group in queryset})
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def api_v1_problem_info(request, problem):
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p = get_object_or_404(Problem, code=problem)
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if not p.is_accessible_by(request.user):
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raise Http404()
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return JsonResponse({
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'name': p.name,
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'authors': list(p.authors.values_list('user__username', flat=True)),
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'types': list(p.types.values_list('full_name', flat=True)),
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'group': p.group.full_name,
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'time_limit': p.time_limit,
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'memory_limit': p.memory_limit,
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'points': p.points,
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'partial': p.partial,
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'languages': list(p.allowed_languages.values_list('key', flat=True)),
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})
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def api_v1_user_list(request):
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queryset = Profile.objects.filter(is_unlisted=False).values_list('user__username', 'points', 'performance_points',
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'display_rank')
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return JsonResponse({username: {
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'points': points,
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'performance_points': performance_points,
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'rank': rank,
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} for username, points, performance_points, rank in queryset})
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def api_v1_user_info(request, user):
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profile = get_object_or_404(Profile, user__username=user)
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submissions = list(Submission.objects.filter(case_points=F('case_total'), user=profile, problem__is_public=True,
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problem__is_organization_private=False)
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.values('problem').distinct().values_list('problem__code', flat=True))
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resp = {
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'points': profile.points,
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'performance_points': profile.performance_points,
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'rank': profile.display_rank,
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'solved_problems': submissions,
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'organizations': list(profile.organizations.values_list('id', flat=True)),
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}
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last_rating = profile.ratings.last()
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contest_history = {}
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if not profile.is_unlisted:
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participations = ContestParticipation.objects.filter(user=profile, virtual=0, contest__is_visible=True,
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contest__is_private=False,
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contest__is_organization_private=False)
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for contest_key, rating, volatility in participations.values_list('contest__key', 'rating__rating',
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'rating__volatility'):
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contest_history[contest_key] = {
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'rating': rating,
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'volatility': volatility,
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}
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resp['contests'] = {
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'current_rating': last_rating.rating if last_rating else None,
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'volatility': last_rating.volatility if last_rating else None,
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'history': contest_history,
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}
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return JsonResponse(resp)
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def api_v1_user_submissions(request, user):
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profile = get_object_or_404(Profile, user__username=user)
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subs = Submission.objects.filter(user=profile, problem__is_public=True, problem__is_organization_private=False)
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return JsonResponse({sub['id']: {
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'problem': sub['problem__code'],
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'time': sub['time'],
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'memory': sub['memory'],
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'points': sub['points'],
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'language': sub['language__key'],
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'status': sub['status'],
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'result': sub['result'],
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} for sub in subs.values('id', 'problem__code', 'time', 'memory', 'points', 'language__key', 'status', 'result')})
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