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https://github.com/QingdaoU/OnlineJudge.git
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d221619565
Fix AC/Total count bug.
47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
from django.db.models import Q, Count
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from utils.api import APIView
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from ..models import ProblemTag, Problem
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from ..serializers import ProblemSerializer, TagSerializer
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class ProblemTagAPI(APIView):
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def get(self, request):
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tags = ProblemTag.objects.annotate(problem_number=Count("problem"))\
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.filter(problem_number__gt=0).order_by("-problem_number")
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return self.success(TagSerializer(tags, many=True).data)
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class ProblemAPI(APIView):
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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("id")
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if problem_id:
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try:
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problem = Problem.objects.get(id=problem_id)
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return self.success(ProblemSerializer(problem).data)
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except Problem.DoesNotExist:
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return self.error("Problem does not exist")
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problems = Problem.objects.filter(visible=True)
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# 按照标签筛选
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tag_text = request.GET.get("tag", None)
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if tag_text:
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try:
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tag = ProblemTag.objects.get(name=tag_text)
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except ProblemTag.DoesNotExist:
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return self.error("The Tag does not exist.")
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problems = tag.problem_set.all().filter(visible=True)
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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_rank = request.GET.get('difficulty', None)
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if difficulty_rank:
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problems = problems.filter(difficulty=difficulty_rank)
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return self.success(self.paginate_data(request, problems, ProblemSerializer))
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