mirror of
https://github.com/QingdaoU/OnlineJudge.git
synced 2024-09-21 00:13:18 +00:00
217 lines
8.1 KiB
Python
217 lines
8.1 KiB
Python
from django.core.paginator import Paginator
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from django_redis import get_redis_connection
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from account.decorators import login_required
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from account.models import AdminType, User
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from problem.models import Problem
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from submission.tasks import judge_task
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from utils.api import APIView, validate_serializer
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from utils.shortcuts import build_query_string
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from utils.throttling import TokenBucket, BucketController
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from ..models import Submission, JudgeStatus
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from ..serializers import CreateSubmissionSerializer
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def _submit(response, user, problem_id, language, code):
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# TODO: 预设默认值,需修改
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controller = BucketController(user_id=user.id,
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redis_conn=get_redis_connection("Throttling"),
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default_capacity=30)
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bucket = TokenBucket(fill_rate=10, capacity=20,
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last_capacity=controller.last_capacity,
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last_timestamp=controller.last_timestamp)
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if bucket.consume():
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controller.last_capacity -= 1
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else:
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return response.error("Please wait %d seconds" % int(bucket.expected_time() + 1))
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try:
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problem = Problem.objects.get(id=problem_id)
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except Problem.DoesNotExist:
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return response.error("Problem not exist")
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submission = Submission.objects.create(user_id=user.id,
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language=language,
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code=code,
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problem_id=problem.id)
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judge_task.delay(submission.id, problem.id)
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return response.success({"submission_id": submission.id})
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class SubmissionAPI(APIView):
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@validate_serializer(CreateSubmissionSerializer)
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# TODO: login
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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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return _submit(self, request.user, data["problem_id"], data["language"], data["code"])
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@login_required
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def get(self, request):
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submission_id = request.GET.get("submission_id")
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if not submission_id:
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return self.error("Parameter error")
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try:
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submission = Submission.objects.get(id=submission_id, user_id=request.user.id)
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except Submission.DoesNotExist:
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return self.error("Submission not exist")
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response_data = {"result": submission.result}
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if submission.result == 0:
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response_data["accepted_answer_time"] = submission.accepted_answer_time
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return self.success(response_data)
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class MyProblemSubmissionListAPI(APIView):
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"""
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用户单个题目的全部提交列表
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"""
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def get(self, request):
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problem_id = request.GET.get("problem_id")
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try:
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problem = Problem.objects.get(id=problem_id, visible=True)
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except Problem.DoesNotExist:
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return self.error("Problem not exist")
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submissions = Submission.objects.filter(user_id=request.user.id, problem_id=problem.id,
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contest_id__isnull=True). \
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order_by("-created_time"). \
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values("id", "result", "created_time", "accepted_time", "language")
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return self.success({"submissions": submissions, "problem": problem})
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class SubmissionListAPI(APIView):
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"""
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所有提交的列表
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"""
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def get(self, request, **kwargs):
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submission_filter = {"my": None, "user_id": None}
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show_all = False
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page = kwargs.get("page", 1)
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user_id = request.GET.get("user_id")
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if user_id and request.user.admin_type == AdminType.SUPER_ADMIN:
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submission_filter["user_id"] = user_id
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submissions = Submission.objects.filter(user_id=user_id, contest_id__isnull=True)
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else:
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show_all = True
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if request.GET.get("my") == "true":
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submission_filter["my"] = "true"
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show_all = False
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if show_all:
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submissions = Submission.objects.filter(contest_id__isnull=True)
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else:
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submissions = Submission.objects.filter(user_id=request.user.id, contest_id__isnull=True)
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submissions = submissions.values("id", "user_id", "problem_id", "result", "created_time",
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"accepted_time", "language").order_by("-created_time")
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language = request.GET.get("language")
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if language:
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submissions = submissions.filter(language=language)
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submission_filter["language"] = language
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result = request.GET.get("result")
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if result:
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# TODO: 转换为数字结果
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submissions = submissions.filter(result=int(result))
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submission_filter["result"] = result
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paginator = Paginator(submissions, 20)
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try:
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submissions = paginator.page(int(page))
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except Exception:
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return self.error("Page not exist")
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# Cache
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cache_result = {"problem": {}, "user": {}}
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for item in submissions:
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problem_id = item["problem_id"]
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if problem_id not in cache_result["problem"]:
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problem = Problem.objects.get(id=problem_id)
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cache_result["problem"][problem_id] = problem.title
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item["title"] = cache_result["problem"][problem_id]
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user_id = item["user_id"]
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if user_id not in cache_result["user"]:
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user = User.objects.get(id=user_id)
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cache_result["user"][user_id] = user
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item["user"] = cache_result["user"][user_id]
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if item["user_id"] == request.user.id or request.user.admin_type == AdminType.SUPER_ADMIN:
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item["show_link"] = True
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else:
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item["show_link"] = False
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previous_page = next_page = None
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try:
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previous_page = submissions.previous_page_number()
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except Exception:
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pass
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try:
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next_page = submissions.next_page_number()
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except Exception:
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pass
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return self.success({"submissions": submissions.object_list, "page": int(page),
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"previous_page": previous_page, "next_page": next_page,
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"start_id": int(page) * 20 - 20,
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"query": build_query_string(submission_filter),
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"submission_filter": submission_filter,
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"show_all": show_all})
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def _get_submission(submission_id, user):
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"""
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用户权限判断
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"""
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submission = Submission.objects.get(id=submission_id)
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# Super Admin / Owner / Share
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if user.admin_type == AdminType.SUPER_ADMIN or submission.user_id == user.id:
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return {"submission": submission, "can_share": True}
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if submission.contest_id:
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# 比赛部分
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pass
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if submission.shared:
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return {"submission": submission, "can_share": False}
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else:
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raise Submission.DoesNotExist
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class SubmissionDetailAPI(APIView):
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"""
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单个提交页面详情
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"""
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def get(self, request, **kwargs):
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try:
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result = _get_submission(kwargs["submission_id"], request.user)
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submission = result["submission"]
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except Submission.DoesNotExist:
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return self.error("Submission not exist")
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# TODO: Contest
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try:
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if submission.contest_id:
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# problem = ContestProblem.objects.get(id=submission.problem_id, visible=True)
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pass
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else:
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problem = Problem.objects.get(id=submission.problem_id, visible=True)
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except (Problem.DoesNotExist, ):
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return self.error("Submission not exist")
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if submission.result in [JudgeStatus.COMPILE_ERROR, JudgeStatus.SYSTEM_ERROR, JudgeStatus.PENDING]:
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info = submission.info
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else:
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info = submission.info
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if "test_case" in info[0]:
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info = sorted(info, key=lambda x: x["test_case"])
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user = User.objects.get(id=submission.user_id)
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return self.success({"submission": submission, "problem": problem, "info": info,
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"user": user, "can_share": result["can_share"]})
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