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比赛
2026-03-10 14:25:04 +08:00

283 lines
11 KiB
Python

from rest_framework import viewsets, permissions, status, filters, serializers
from rest_framework.decorators import action
from rest_framework.response import Response
from django.db.models import Q
from shop.utils import get_current_wechat_user
from .models import Competition, CompetitionEnrollment, Project, ProjectFile, Score, Comment, ScoreDimension
from .serializers import (
CompetitionSerializer, CompetitionEnrollmentSerializer,
ProjectSerializer, ProjectFileSerializer,
ScoreSerializer, CommentSerializer, ScoreDimensionSerializer
)
from rest_framework.pagination import PageNumberPagination
class StandardResultsSetPagination(PageNumberPagination):
page_size = 10
page_size_query_param = 'page_size'
max_page_size = 100
class CompetitionViewSet(viewsets.ReadOnlyModelViewSet):
"""
比赛视图集
"""
queryset = Competition.objects.filter(is_active=True).order_by('-created_at')
serializer_class = CompetitionSerializer
permission_classes = [permissions.AllowAny]
pagination_class = StandardResultsSetPagination
filter_backends = [filters.SearchFilter]
search_fields = ['title', 'description']
def get_queryset(self):
"""
获取比赛查询集,支持根据查询参数进行动态过滤
"""
queryset = super().get_queryset()
# 状态过滤
status_param = self.request.query_params.get('status')
if status_param and status_param != 'all':
queryset = queryset.filter(status=status_param)
return queryset
@action(detail=True, methods=['post'], permission_classes=[permissions.AllowAny])
def enroll(self, request, pk=None):
"""
报名参加比赛
"""
competition = self.get_object()
user = get_current_wechat_user(request)
if not user:
return Response({"detail": "未登录"}, status=status.HTTP_401_UNAUTHORIZED)
role = request.data.get('role', 'contestant')
# 检查是否已报名
if CompetitionEnrollment.objects.filter(competition=competition, user=user).exists():
return Response({"detail": "您已报名该比赛"}, status=status.HTTP_400_BAD_REQUEST)
enrollment = CompetitionEnrollment.objects.create(
competition=competition,
user=user,
role=role,
status='pending' # 默认待审核
)
return Response(CompetitionEnrollmentSerializer(enrollment).data, status=status.HTTP_201_CREATED)
@action(detail=True, methods=['get'])
def my_enrollment(self, request, pk=None):
"""
获取我的报名信息
"""
competition = self.get_object()
user = get_current_wechat_user(request)
if not user:
return Response({"detail": "未登录"}, status=status.HTTP_401_UNAUTHORIZED)
try:
enrollment = CompetitionEnrollment.objects.get(competition=competition, user=user)
return Response(CompetitionEnrollmentSerializer(enrollment).data)
except CompetitionEnrollment.DoesNotExist:
return Response({"detail": "未报名"}, status=status.HTTP_404_NOT_FOUND)
@action(detail=False, methods=['get'])
def my_enrollments(self, request):
"""
获取我的所有报名信息
"""
user = get_current_wechat_user(request)
if not user:
return Response([])
enrollments = CompetitionEnrollment.objects.filter(user=user)
return Response(CompetitionEnrollmentSerializer(enrollments, many=True).data)
class ProjectViewSet(viewsets.ModelViewSet):
"""
参赛项目视图集
"""
serializer_class = ProjectSerializer
permission_classes = [permissions.AllowAny]
pagination_class = StandardResultsSetPagination
def get_queryset(self):
queryset = Project.objects.all()
competition_id = self.request.query_params.get('competition')
if competition_id:
queryset = queryset.filter(competition_id=competition_id)
contestant_id = self.request.query_params.get('contestant')
if contestant_id:
queryset = queryset.filter(contestant_id=contestant_id)
user = get_current_wechat_user(self.request)
# 1. 基础条件:公开可见且已提交的项目
q = Q(competition__project_visibility='public', status='submitted')
if user:
# 2. 用户自己的项目(始终可见,包括草稿)
q |= Q(contestant__user=user)
# 3. 基于角色的可见性
# 获取用户已通过审核的报名信息
enrollments = CompetitionEnrollment.objects.filter(user=user, status='approved')
# 获取各角色的比赛ID集合
judge_comp_ids = set(enrollments.filter(role='judge').values_list('competition_id', flat=True))
guest_comp_ids = set(enrollments.filter(role='guest').values_list('competition_id', flat=True))
contestant_comp_ids = set(enrollments.filter(role='contestant').values_list('competition_id', flat=True))
# 'judge' 可见性:仅评委可见
if judge_comp_ids:
q |= Q(competition__project_visibility='judge', competition__in=judge_comp_ids, status='submitted')
# 'guest' 可见性:嘉宾及评委可见
guest_access_ids = judge_comp_ids | guest_comp_ids
if guest_access_ids:
q |= Q(competition__project_visibility='guest', competition__in=guest_access_ids, status='submitted')
# 'contestant' 可见性:选手及以上可见(包括评委、嘉宾)
contestant_access_ids = judge_comp_ids | guest_comp_ids | contestant_comp_ids
if contestant_access_ids:
q |= Q(competition__project_visibility='contestant', competition__in=contestant_access_ids, status='submitted')
queryset = queryset.filter(q)
return queryset.order_by('-final_score', '-created_at')
def perform_create(self, serializer):
user = get_current_wechat_user(self.request)
if not user:
raise serializers.ValidationError("请先登录")
competition = serializer.validated_data['competition']
# 检查是否有参赛资格
try:
enrollment = CompetitionEnrollment.objects.get(
competition=competition,
user=user,
role='contestant',
status='approved'
)
except CompetitionEnrollment.DoesNotExist:
raise serializers.ValidationError("您没有参赛资格或审核未通过")
# 检查是否已提交过项目
if Project.objects.filter(competition=competition, contestant=enrollment).exists():
raise serializers.ValidationError("您已提交过该比赛的项目,请勿重复提交")
serializer.save(contestant=enrollment)
@action(detail=True, methods=['post'])
def submit(self, request, pk=None):
"""
提交项目(从草稿转为已提交)
"""
project = self.get_object()
user = get_current_wechat_user(request)
if project.contestant.user != user:
return Response({"detail": "无权操作"}, status=status.HTTP_403_FORBIDDEN)
project.status = 'submitted'
project.save()
return Response({"status": "submitted"})
class ProjectFileViewSet(viewsets.ModelViewSet):
"""
项目附件管理
"""
serializer_class = ProjectFileSerializer
permission_classes = [permissions.AllowAny]
def get_queryset(self):
return ProjectFile.objects.all()
def perform_create(self, serializer):
# 简单权限控制:只有项目拥有者可以上传
project = serializer.validated_data['project']
user = get_current_wechat_user(self.request)
if not user or project.contestant.user != user:
raise serializers.ValidationError("无权上传文件")
serializer.save()
class ScoreViewSet(viewsets.ModelViewSet):
"""
评分管理
"""
serializer_class = ScoreSerializer
permission_classes = [permissions.AllowAny]
def get_queryset(self):
project_id = self.request.query_params.get('project')
if project_id:
return Score.objects.filter(project_id=project_id)
return Score.objects.all()
def perform_create(self, serializer):
user = get_current_wechat_user(self.request)
if not user:
raise serializers.ValidationError("请先登录")
project = serializer.validated_data['project']
# 检查是否是评委
try:
enrollment = CompetitionEnrollment.objects.get(
competition=project.competition,
user=user,
role='judge',
status='approved'
)
except CompetitionEnrollment.DoesNotExist:
raise serializers.ValidationError("您不是该比赛的评委")
# 检查是否重复打分
dimension = serializer.validated_data['dimension']
if Score.objects.filter(project=project, judge=enrollment, dimension=dimension).exists():
raise serializers.ValidationError("您已对该维度打分")
serializer.save(judge=enrollment)
class CommentViewSet(viewsets.ModelViewSet):
"""
评语管理
"""
serializer_class = CommentSerializer
permission_classes = [permissions.AllowAny]
def get_queryset(self):
project_id = self.request.query_params.get('project')
if project_id:
return Comment.objects.filter(project_id=project_id)
return Comment.objects.all()
def perform_create(self, serializer):
user = get_current_wechat_user(self.request)
if not user:
raise serializers.ValidationError("请先登录")
project = serializer.validated_data['project']
# 检查是否是评委
try:
enrollment = CompetitionEnrollment.objects.get(
competition=project.competition,
user=user,
role='judge',
status='approved'
)
except CompetitionEnrollment.DoesNotExist:
raise serializers.ValidationError("您不是该比赛的评委")
serializer.save(judge=enrollment)