mirror of
https://github.com/QingdaoU/OnlineJudge.git
synced 2024-09-21 08:23:20 +00:00
61 lines
2.4 KiB
Python
61 lines
2.4 KiB
Python
from django.db.models import Q
|
|
from utils.api import APIView
|
|
from account.decorators import check_contest_permission
|
|
from ..models import ProblemTag, Problem, ContestProblem
|
|
from ..serializers import ProblemSerializer, TagSerializer
|
|
from ..serializers import ContestProblemSerializer
|
|
|
|
|
|
class ProblemTagAPI(APIView):
|
|
def get(self, request):
|
|
return self.success(TagSerializer(ProblemTag.objects.all(), many=True).data)
|
|
|
|
|
|
class ProblemAPI(APIView):
|
|
def get(self, request):
|
|
# 问题详情页
|
|
problem_id = request.GET.get("problem_id")
|
|
if problem_id:
|
|
try:
|
|
problem = Problem.objects.select_related("created_by").get(_id=problem_id, visible=True)
|
|
return self.success(ProblemSerializer(problem).data)
|
|
except Problem.DoesNotExist:
|
|
return self.error("Problem does not exist")
|
|
|
|
problems = Problem.objects.select_related("created_by").filter(visible=True)
|
|
# 按照标签筛选
|
|
tag_text = request.GET.get("tag")
|
|
if tag_text:
|
|
try:
|
|
tag = ProblemTag.objects.get(name=tag_text)
|
|
except ProblemTag.DoesNotExist:
|
|
return self.error("The Tag does not exist.")
|
|
problems = tag.problem_set.all().filter(visible=True)
|
|
|
|
# 搜索的情况
|
|
keyword = request.GET.get("keyword", "").strip()
|
|
if keyword:
|
|
problems = problems.filter(Q(title__contains=keyword) | Q(description__contains=keyword))
|
|
|
|
# 难度筛选
|
|
difficulty_rank = request.GET.get("difficulty")
|
|
if difficulty_rank:
|
|
problems = problems.filter(difficulty=difficulty_rank)
|
|
|
|
return self.success(self.paginate_data(request, problems, ProblemSerializer))
|
|
|
|
|
|
class ContestProblemAPI(APIView):
|
|
@check_contest_permission
|
|
def get(self, request):
|
|
problem_id = request.GET.get("problem_id")
|
|
if problem_id:
|
|
try:
|
|
problem = ContestProblem.objects.select_related("created_by").get(_id=problem_id, contest=self.contest, visible=True)
|
|
except ContestProblem.DoesNotExist:
|
|
return self.error("Problem does not exist.")
|
|
return self.success(ContestProblemSerializer(problem).data)
|
|
|
|
contest_problems = ContestProblem.objects.select_related("created_by").filter(contest=self.contest, visible=True)
|
|
return self.success(ContestProblemSerializer(contest_problems, many=True).data)
|