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https://github.com/QingdaoU/OnlineJudge.git
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后端比赛和比赛题目的部分,还有要增加和修改的地方
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contest/serializers.py
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95
contest/serializers.py
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# coding=utf-8
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import json
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from rest_framework import serializers
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from account.models import User
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from .models import Contest, ContestProblem
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class CreateContestSerializer(serializers.Serializer):
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title = serializers.CharField(max_length=40)
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description = serializers.CharField(max_length=5000)
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mode = serializers.IntegerField()
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show_rank = serializers.BooleanField()
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password = serializers.CharField(max_length=30, required=False)
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start_time = serializers.DateTimeField()
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end_time = serializers.DateTimeField()
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class ContestSerializer(serializers.ModelSerializer):
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class UserSerializer(serializers.ModelSerializer):
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class Meta:
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model = User
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fields = ["username"]
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created_by = UserSerializer()
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class Meta:
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model = Contest
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class EditContestSerializer(serializers.Serializer):
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title = serializers.CharField(max_length=40)
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description = serializers.CharField(max_length=10000)
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mode = serializers.IntegerField()
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show_rank = serializers.BooleanField()
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password = serializers.CharField(max_length=30, required=False)
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start_time = serializers.DateTimeField()
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end_time = serializers.DateTimeField()
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class ContestProblemSampleSerializer(serializers.ListField):
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input = serializers.CharField(max_length=3000)
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output = serializers.CharField(max_length=3000)
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class JSONField(serializers.Field):
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def to_representation(self, value):
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return json.loads(value)
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class CreateContestProblemSerializer(serializers.Serializer):
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title = serializers.CharField(max_length=50)
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description = serializers.CharField(max_length=10000)
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input_description = serializers.CharField(max_length=10000)
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output_description = serializers.CharField(max_length=10000)
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# [{"input": "1 1", "output": "2"}]
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samples = ContestProblemSampleSerializer()
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test_case_id = serializers.CharField(max_length=40)
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time_limit = serializers.IntegerField()
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memory_limit = serializers.IntegerField()
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difficulty = serializers.IntegerField()
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hint = serializers.CharField(max_length=3000, allow_blank=True)
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sort_index = serializers.CharField(max_length=30)
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class ContestProblemSerializer(serializers.ModelSerializer):
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samples = JSONField()
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class ContestSerializer(serializers.ModelSerializer):
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class Meta:
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model = Contest
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fields = ["title"]
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created_by = ContestSerializer()
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class Meta:
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model = ContestProblem
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class EditContestProblemSerializer(serializers.Serializer):
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id = serializers.IntegerField()
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title = serializers.CharField(max_length=50)
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description = serializers.CharField(max_length=10000)
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input_description = serializers.CharField(max_length=10000)
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output_description = serializers.CharField(max_length=10000)
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test_case_id = serializers.CharField(max_length=40)
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time_limit = serializers.IntegerField()
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memory_limit = serializers.IntegerField()
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difficulty = serializers.IntegerField()
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samples = ContestProblemSampleSerializer()
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hint = serializers.CharField(max_length=3000, allow_blank=True)
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visible = serializers.BooleanField()
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sort_index = serializers.CharField(max_length=30)
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169
contest/views.py
169
contest/views.py
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# coding=utf-8
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import json
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from django.shortcuts import render
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from django.db import IntegrityError
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from django.db.models import Q
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from rest_framework.views import APIView
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# Create your views here.
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from .models import Contest, ContestProblem
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from .serializers import (CreateContestSerializer, ContestSerializer, EditContestSerializer,
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CreateContestProblemSerializer, ContestProblemSerializer, EditContestProblemSerializer)
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from utils.shortcuts import (serializer_invalid_response, error_response,
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success_response, paginate, rand_str, error_page)
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def contest_page(request, contest_id):
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pass
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class ContestAdminAPIView(APIView):
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def post(self, request):
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"""
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比赛发布json api接口
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---
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request_serializer: CreateContestSerializer
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response_serializer: ContestSerializer
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"""
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serializer = CreateContestSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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contest = Contest.objects.create(title=data["title"], description=data["description"],
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mode=data["mode"], show_rank=data["show_rank"],
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start_time=["start_time"], end_time=data["end_time"])
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if data["password"]:
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contest.setpassword(data["password"])
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contest.save()
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except IntegrityError:
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return error_response(u"比赛名已经存在")
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return success_response(ContestSerializer(contest).data)
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else:
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serializer_invalid_response(serializer)
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def put(self, request):
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"""
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比赛编辑json api接口
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---
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request_serializer: EditContestSerializer
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response_serializer: ContestSerializer
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"""
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serializer = EditContestSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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contest = Contest.objects.get(id=data["id"])
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except Contest.DoesNotExist:
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error_response(u"该比赛不存在!")
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try:
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contest.title = data["contest"]
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contest.description = data["description"]
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contest.mode = data["mode"]
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contest.show_rank = data["show_"]
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if data["password"]:
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contest.set_password(data["password"])
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contest.save()
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except IntegrityError:
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return error_response(u"比赛名已经存在")
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return success_response(ContestSerializer(contest).data)
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else:
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serializer_invalid_response(serializer)
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def get(self, request):
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"""
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比赛分页json api接口
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---
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response_serializer: ContestSerializer
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"""
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contest = Contest.objects.all().order_by("-last_updated_time")
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visible = request.GET.get("visible", None)
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if visible:
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contest = contest.filter(visible=(visible == "true"))
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keyword = request.GET.get("keyword", None)
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if keyword:
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contest = contest.filter(Q(title__contains=keyword) |
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Q(description__contains=keyword))
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return paginate(request, contest, ContestSerializer)
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class ContestProblemAdminAPIView(APIView):
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def post(self, request):
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"""
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比赛题目发布json api接口
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---
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request_serializer: CreateContestProblemSerializer
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response_serializer: ContestProblemSerializer
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"""
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serializer = CreateContestProblemSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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contest_problem = ContestProblem.objects.create(title=data["title"],
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description=data["description"],
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input_description=data["input_description"],
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output_description=data["output_description"],
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test_case_id=data["test_case_id"],
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samples=json.dumps(data["samples"]),
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time_limit=data["time_limit"],
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memory_limit=data["memory_limit"],
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difficulty=data["difficulty"],
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created_by=request.user,
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hint=data["hint"],
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contest=request.contest,
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sort_index=data["sort_index"])
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return success_response(ContestProblemSerializer(contest_problem).data)
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else:
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serializer_invalid_response(serializer)
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def put(self, request):
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"""
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比赛题目编辑json api接口
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---
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request_serializer: EditContestSerializer
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response_serializer: ContestProblemSerializer
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"""
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serializer = EditContestSerializer(data=request.data)
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if serializer.is_valid():
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data = serializer.data
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try:
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contest_problem = ContestProblem.objects.get(id=data["id"])
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except ContestProblem.DoesNotExist:
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return error_response(u"该比赛题目不存在!")
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contest_problem.title = data["title"]
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contest_problem.description = data["description"]
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contest_problem.input_description = data["input_description"]
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contest_problem.output_description = data["output_description"]
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contest_problem.test_case_id = data["test_case_id"]
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contest_problem.time_limit = data["time_limit"]
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contest_problem.memory_limit = data["memory_limit"]
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contest_problem.difficulty = data["difficulty"]
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contest_problem.samples = json.dumps(data["samples"])
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contest_problem.hint = data["hint"]
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contest_problem.visible = data["visible"]
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contest_problem.sort_index = data["sort_index"]
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contest_problem.save()
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return success_response(ContestProblem(contest_problem).data)
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else:
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return serializer_invalid_response(serializer)
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def get(self, request):
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"""
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比赛题目分页json api接口
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---
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response_serializer: ProblemSerializer
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"""
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contest_problem_id = request.GET.get("contest_problem_id", None)
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if contest_problem_id:
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try:
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contest_problem = ContestProblemSerializer.objects.get(id=contest_problem_id)
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return success_response(ContestProblemSerializer(contest_problem).data)
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except contest_problem.DoesNotExist:
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return error_response(u"比赛题目不存在")
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contest_problem = ContestProblem.objects.all().order_by("sort_index")
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visible = request.GET.get("visible", None)
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if visible:
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contest_problem = contest_problem.filter(visible=(visible == "true"))
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keyword = request.GET.get("keyword", None)
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if keyword:
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contest_problem = contest_problem.filter(Q(title__contains=keyword) |
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Q(description__contains=keyword))
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return paginate(request, contest_problem, ContestProblemSerializer)
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@ -32,8 +32,6 @@ class AbstractProblem(models.Model):
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# last_update_time = models.DateTimeField(auto_now=True)
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# 这个题是谁创建的
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created_by = models.ForeignKey(User)
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# 来源
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source = models.CharField(max_length=30, blank=True, null=True)
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# 时间限制 单位是毫秒
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time_limit = models.IntegerField()
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# 内存限制 单位是MB
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difficulty = models.IntegerField()
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# 标签
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tags = models.ManyToManyField(ProblemTag)
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# 来源
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source = models.CharField(max_length=30, blank=True, null=True)
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def test_get_all_problem_tag_successfully(self):
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self.assertEqual(self.client.get(self.url).data["code"], 0)
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class ProblemListPageTest(TestCase):
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def setUp(self):
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pass
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