244 lines
9.6 KiB
Python
244 lines
9.6 KiB
Python
import io
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import xlsxwriter
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from django.http import HttpResponse
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from django.utils.timezone import now
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from django.core.cache import cache
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from problem.models import Problem
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from utils.api import APIView, validate_serializer
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from utils.constants import CacheKey, CONTEST_PASSWORD_SESSION_KEY
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from utils.shortcuts import datetime2str, check_is_id
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from account.models import AdminType
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from account.decorators import (
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login_required,
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check_contest_permission,
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check_contest_password,
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)
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from utils.constants import ContestRuleType, ContestStatus
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from ..models import ContestAnnouncement, Contest, OIContestRank, ACMContestRank
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from ..serializers import ContestAnnouncementSerializer
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from ..serializers import ContestSerializer, ContestPasswordVerifySerializer
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from ..serializers import OIContestRankSerializer, ACMContestRankSerializer
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class ContestAnnouncementListAPI(APIView):
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@check_contest_permission(check_type="announcements")
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def get(self, request):
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contest_id = request.GET.get("contest_id")
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if not contest_id:
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return self.error("Invalid parameter, contest_id is required")
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data = ContestAnnouncement.objects.select_related("created_by").filter(
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contest_id=contest_id, visible=True
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)
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max_id = request.GET.get("max_id")
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if max_id:
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data = data.filter(id__gt=max_id)
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return self.success(ContestAnnouncementSerializer(data, many=True).data)
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class ContestAPI(APIView):
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def get(self, request):
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id = request.GET.get("id")
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if not id or not check_is_id(id):
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return self.error("Invalid parameter, id is required")
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try:
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contest = Contest.objects.get(id=id, visible=True)
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except Contest.DoesNotExist:
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return self.error("Contest does not exist")
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data = ContestSerializer(contest).data
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data["now"] = datetime2str(now())
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return self.success(data)
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class ContestListAPI(APIView):
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def get(self, request):
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contests = Contest.objects.select_related("created_by").filter(visible=True)
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keyword = request.GET.get("keyword")
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rule_type = request.GET.get("rule_type")
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status = request.GET.get("status")
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tag = request.GET.get("tag")
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if keyword:
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contests = contests.filter(title__icontains=keyword)
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if rule_type:
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contests = contests.filter(rule_type=rule_type)
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if tag:
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contests = contests.filter(tag=tag)
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if status:
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cur = now()
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if status == ContestStatus.CONTEST_NOT_START:
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contests = contests.filter(start_time__gt=cur)
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elif status == ContestStatus.CONTEST_ENDED:
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contests = contests.filter(end_time__lt=cur)
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else:
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contests = contests.filter(start_time__lte=cur, end_time__gte=cur)
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return self.success(self.paginate_data(request, contests, ContestSerializer))
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class ContestPasswordVerifyAPI(APIView):
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@validate_serializer(ContestPasswordVerifySerializer)
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@login_required
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def post(self, request):
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data = request.data
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try:
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contest = Contest.objects.get(
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id=data["contest_id"], visible=True, password__isnull=False
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)
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except Contest.DoesNotExist:
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return self.error("Contest does not exist")
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if not check_contest_password(data["password"], contest.password):
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return self.error("Wrong password or password expired")
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# password verify OK.
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if CONTEST_PASSWORD_SESSION_KEY not in request.session:
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request.session[CONTEST_PASSWORD_SESSION_KEY] = {}
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request.session[CONTEST_PASSWORD_SESSION_KEY][contest.id] = data["password"]
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# https://docs.djangoproject.com/en/dev/topics/http/sessions/#when-sessions-are-saved
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request.session.modified = True
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return self.success(True)
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class ContestAccessAPI(APIView):
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@login_required
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def get(self, request):
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contest_id = request.GET.get("contest_id")
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if not contest_id:
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return self.error()
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try:
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contest = Contest.objects.get(
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id=contest_id, visible=True, password__isnull=False
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)
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except Contest.DoesNotExist:
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return self.error("Contest does not exist")
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session_pass = request.session.get(CONTEST_PASSWORD_SESSION_KEY, {}).get(
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contest.id
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)
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return self.success(
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{"access": check_contest_password(session_pass, contest.password)}
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)
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class ContestRankAPI(APIView):
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def get_rank(self):
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if self.contest.rule_type == ContestRuleType.ACM:
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return (
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ACMContestRank.objects.filter(
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contest=self.contest,
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user__admin_type=AdminType.REGULAR_USER,
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user__is_disabled=False,
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)
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.select_related("user")
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.order_by("-accepted_number", "total_time")
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)
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else:
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return (
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OIContestRank.objects.filter(
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contest=self.contest,
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user__admin_type=AdminType.REGULAR_USER,
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user__is_disabled=False,
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)
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.select_related("user")
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.order_by("-total_score")
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)
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def column_string(self, n):
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string = ""
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while n > 0:
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n, remainder = divmod(n - 1, 26)
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string = chr(65 + remainder) + string
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return string
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@check_contest_permission(check_type="ranks")
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def get(self, request):
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download_csv = request.GET.get("download_csv")
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force_refresh = request.GET.get("force_refresh")
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is_contest_admin = (
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request.user.is_authenticated
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and request.user.is_contest_admin(self.contest)
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)
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if self.contest.rule_type == ContestRuleType.OI:
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serializer = OIContestRankSerializer
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else:
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serializer = ACMContestRankSerializer
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# if force_refresh == "1" and is_contest_admin:
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if force_refresh == "1":
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qs = self.get_rank()
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else:
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cache_key = f"{CacheKey.contest_rank_cache}:{self.contest.id}"
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qs = cache.get(cache_key)
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if not qs:
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qs = self.get_rank()
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cache.set(cache_key, qs)
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if download_csv:
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data = serializer(qs, many=True, is_contest_admin=is_contest_admin).data
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contest_problems = Problem.objects.filter(
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contest=self.contest, visible=True
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).order_by("_id")
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problem_ids = [item.id for item in contest_problems]
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f = io.BytesIO()
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workbook = xlsxwriter.Workbook(f)
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worksheet = workbook.add_worksheet()
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worksheet.write("A1", "User ID")
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worksheet.write("B1", "Username")
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worksheet.write("C1", "Real Name")
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if self.contest.rule_type == ContestRuleType.OI:
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worksheet.write("D1", "Total Score")
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for item in range(contest_problems.count()):
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worksheet.write(
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self.column_string(5 + item) + "1",
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f"{contest_problems[item].title}",
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)
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for index, item in enumerate(data):
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worksheet.write_string(index + 1, 0, str(item["user"]["id"]))
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worksheet.write_string(index + 1, 1, item["user"]["username"])
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worksheet.write_string(
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index + 1, 2, item["user"]["real_name"] or ""
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)
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worksheet.write_string(index + 1, 3, str(item["total_score"]))
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for k, v in item["submission_info"].items():
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worksheet.write_string(
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index + 1, 4 + problem_ids.index(int(k)), str(v)
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)
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else:
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worksheet.write("D1", "AC")
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worksheet.write("E1", "Total Submission")
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worksheet.write("F1", "Total Time")
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for item in range(contest_problems.count()):
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worksheet.write(
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self.column_string(7 + item) + "1",
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f"{contest_problems[item].title}",
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)
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for index, item in enumerate(data):
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worksheet.write_string(index + 1, 0, str(item["user"]["id"]))
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worksheet.write_string(index + 1, 1, item["user"]["username"])
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worksheet.write_string(
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index + 1, 2, item["user"]["real_name"] or ""
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)
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worksheet.write_string(index + 1, 3, str(item["accepted_number"]))
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worksheet.write_string(index + 1, 4, str(item["submission_number"]))
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worksheet.write_string(index + 1, 5, str(item["total_time"]))
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for k, v in item["submission_info"].items():
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worksheet.write_string(
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index + 1, 6 + problem_ids.index(int(k)), str(v["is_ac"])
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)
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workbook.close()
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f.seek(0)
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response = HttpResponse(f.read())
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response["Content-Disposition"] = (
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f"attachment; filename=content-{self.contest.id}-rank.xlsx"
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)
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response["Content-Type"] = "application/xlsx"
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return response
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page_qs = self.paginate_data(request, qs)
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page_qs["results"] = serializer(
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page_qs["results"], many=True, is_contest_admin=is_contest_admin
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).data
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return self.success(page_qs)
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