mirror of
https://github.com/QingdaoU/OnlineJudge.git
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104 lines
4.5 KiB
Python
104 lines
4.5 KiB
Python
from django.db.models import Q
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from utils.api import APIView
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from account.decorators import check_contest_permission
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from ..models import ProblemTag, Problem, ProblemRuleType
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from ..serializers import ProblemSerializer, TagSerializer
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from ..serializers import ContestProblemSerializer
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from contest.models import ContestRuleType
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class ProblemTagAPI(APIView):
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def get(self, request):
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return self.success(TagSerializer(ProblemTag.objects.all(), many=True).data)
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class ProblemAPI(APIView):
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@staticmethod
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def _add_problem_status(request, queryset_values):
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if request.user.is_authenticated():
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profile = request.user.userprofile
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acm_problems_status = profile.acm_problems_status.get("problems", {})
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oi_problems_status = profile.oi_problems_status.get("problems", {})
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# paginate data
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results = queryset_values.get("results")
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if results is not None:
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problems = results
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else:
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problems = [queryset_values,]
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for problem in problems:
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if problem["rule_type"] == ProblemRuleType.ACM:
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problem["my_status"] = acm_problems_status.get(str(problem["id"]), {}).get("status")
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else:
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problem["my_status"] = oi_problems_status.get(str(problem["id"]), {}).get("status")
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def get(self, request):
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# 问题详情页
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problem_id = request.GET.get("problem_id")
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if problem_id:
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try:
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problem = Problem.objects.select_related("created_by")\
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.get(_id=problem_id, contest_id__isnull=True, visible=True)
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problem_data = ProblemSerializer(problem).data
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self._add_problem_status(request, problem_data)
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return self.success(problem_data)
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except Problem.DoesNotExist:
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return self.error("Problem does not exist")
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limit = request.GET.get("limit")
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if not limit:
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return self.error("Limit is needed")
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problems = Problem.objects.select_related("created_by").filter(contest_id__isnull=True, visible=True)
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# 按照标签筛选
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tag_text = request.GET.get("tag")
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if tag_text:
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problems = problems.filter(tags__name=tag_text)
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# 搜索的情况
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keyword = request.GET.get("keyword", "").strip()
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if keyword:
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problems = problems.filter(Q(title__contains=keyword) | Q(description__contains=keyword))
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# 难度筛选
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difficulty = request.GET.get("difficulty")
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if difficulty:
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problems = problems.filter(difficulty=difficulty)
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# 根据profile 为做过的题目添加标记
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data = self.paginate_data(request, problems, ProblemSerializer)
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self._add_problem_status(request, data)
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return self.success(data)
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class ContestProblemAPI(APIView):
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def _add_problem_status(self, request, queryset_values):
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if self.contest.rule_type == ContestRuleType.OI and not self.contest.check_oi_permission(request.user):
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return
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if request.user.is_authenticated():
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profile = request.user.userprofile
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if self.contest.rule_type == ContestRuleType.ACM:
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problems_status = profile.acm_problems_status.get("contest_problems", {})
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else:
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problems_status = profile.oi_problems_status.get("contest_problems", {})
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for problem in queryset_values:
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problem["my_status"] = problems_status.get(str(problem["id"]), {}).get("status")
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@check_contest_permission
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def get(self, request):
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problem_id = request.GET.get("problem_id")
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if problem_id:
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try:
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problem = Problem.objects.select_related("created_by").get(_id=problem_id,
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contest=self.contest,
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visible=True)
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except Problem.DoesNotExist:
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return self.error("Problem does not exist.")
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problem_data = ContestProblemSerializer(problem).data
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self._add_problem_status(request, [problem_data,])
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return self.success(problem_data)
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contest_problems = Problem.objects.select_related("created_by").filter(contest=self.contest, visible=True)
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# 根据profile， 为做过的题目添加标记
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data = ContestProblemSerializer(contest_problems, many=True).data
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self._add_problem_status(request, data)
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return self.success(data)
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