290 lines
12 KiB
Python
290 lines
12 KiB
Python
from rest_framework import viewsets, status, mixins, parsers, filters
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from django_filters.rest_framework import DjangoFilterBackend
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from rest_framework.decorators import action
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from rest_framework.response import Response
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from rest_framework import serializers, permissions
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from django.core.signing import TimestampSigner, BadSignature, SignatureExpired
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from django.utils import timezone
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from django.db import models
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from drf_spectacular.utils import extend_schema
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from shop.models import WeChatUser, Order
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from shop.views import get_wechat_pay_client
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from .models import Activity, ActivitySignup, Topic, Reply, TopicMedia, Announcement
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from .serializers import ActivitySerializer, ActivitySignupSerializer, TopicSerializer, ReplySerializer, TopicMediaSerializer, AnnouncementSerializer
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from .utils import get_current_wechat_user
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from .permissions import IsAuthorOrReadOnly
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class ActivityViewSet(viewsets.ReadOnlyModelViewSet):
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"""
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社区活动接口
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"""
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queryset = Activity.objects.filter(is_active=True).order_by('-created_at')
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serializer_class = ActivitySerializer
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def retrieve(self, request, *args, **kwargs):
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instance = self.get_object()
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serializer = self.get_serializer(instance)
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# Debug print to verify data
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print(f"DEBUG: Activity {instance.title} current_signups: {instance.current_signups}")
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return Response(serializer.data)
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@extend_schema(summary="报名活动")
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@action(detail=True, methods=['post'])
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def signup(self, request, pk=None):
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user = get_current_wechat_user(request)
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if not user:
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return Response({'error': '请先登录'}, status=401)
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activity = self.get_object()
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# Check if already signed up (and not cancelled)
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existing_signup = ActivitySignup.objects.filter(activity=activity, user=user).exclude(status='cancelled').first()
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if existing_signup:
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return Response({'error': '您已报名该活动'}, status=400)
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# Check limit (exclude cancelled)
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current_count = activity.signups.exclude(status='cancelled').count()
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if current_count >= activity.max_participants:
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return Response({'error': '活动名额已满'}, status=400)
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# Get signup info
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signup_info = request.data.get('signup_info', {})
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# Validate signup info
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effective_config = activity.signup_form_config
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if not effective_config:
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effective_config = []
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if activity.ask_name:
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effective_config.append({"name": "name", "label": "姓名", "type": "text", "required": True})
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if activity.ask_phone:
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effective_config.append({"name": "phone", "label": "手机号", "type": "number", "required": True})
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if activity.ask_wechat:
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effective_config.append({"name": "wechat", "label": "微信号", "type": "text", "required": True})
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if activity.ask_company:
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effective_config.append({"name": "company", "label": "公司/机构", "type": "text", "required": False})
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if effective_config:
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required_fields = [f['name'] for f in effective_config if f.get('required')]
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for field in required_fields:
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val = signup_info.get(field)
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if val is None or (isinstance(val, str) and not val.strip()):
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label = next((f['label'] for f in effective_config if f['name'] == field), field)
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return Response({'error': f'请填写: {label}'}, status=400)
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# Handle Payment Logic
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if activity.is_paid and activity.price > 0:
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import time
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from wechatpayv3 import WeChatPayType
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# Create Order
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# Check if there is a pending order
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pending_order = Order.objects.filter(
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wechat_user=user,
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activity=activity,
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status='pending'
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).first()
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if pending_order:
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order = pending_order
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# Update info if needed? Maybe not.
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else:
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# 优先从报名信息获取联系方式
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contact_name = signup_info.get('name') or signup_info.get('participant_name') or user.nickname or 'Activity User'
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contact_phone = signup_info.get('phone') or user.phone_number or ''
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order = Order.objects.create(
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wechat_user=user,
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activity=activity,
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total_price=activity.price,
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status='pending',
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quantity=1,
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customer_name=contact_name,
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phone_number=contact_phone,
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shipping_address=activity.location or '线下活动', # 使用活动地点作为发货地址
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)
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# Generate Pay Code
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out_trade_no = f"ACT{activity.id}U{user.id}T{int(time.time())}"
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order.out_trade_no = out_trade_no
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order.save()
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wxpay, error_msg = get_wechat_pay_client(pay_type=WeChatPayType.NATIVE)
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if not wxpay:
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return Response({'error': f'支付配置错误: {error_msg}'}, status=500)
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code, message = wxpay.pay(
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description=f"报名活动: {activity.title}",
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out_trade_no=out_trade_no,
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amount={
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'total': int(activity.price * 100),
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'currency': 'CNY'
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},
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notify_url=wxpay._notify_url
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)
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import json
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result = json.loads(message)
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if code in range(200, 300):
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code_url = result.get('code_url')
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# Create a pending signup record so we can update it later
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ActivitySignup.objects.create(
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activity=activity,
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user=user,
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signup_info=signup_info,
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status='pending',
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order=order
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)
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return Response({
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'payment_required': True,
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'code_url': code_url,
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'order_id': order.id,
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'price': activity.price,
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'message': '请完成支付'
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}, status=200)
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else:
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return Response({'error': '支付接口调用失败', 'detail': result}, status=500)
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# Free Activity Signup
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signup = ActivitySignup.objects.create(
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activity=activity,
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user=user,
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signup_info=signup_info,
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status='confirmed'
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)
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serializer = ActivitySignupSerializer(signup)
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return Response(serializer.data, status=201)
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@extend_schema(summary="我的报名记录")
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@action(detail=False, methods=['get'])
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def my_signups(self, request):
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user = get_current_wechat_user(request)
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if not user:
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return Response({'error': '请先登录'}, status=401)
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signups = ActivitySignup.objects.filter(user=user).order_by('-signup_time')
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serializer = ActivitySignupSerializer(signups, many=True)
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return Response(serializer.data)
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class TopicViewSet(viewsets.ModelViewSet):
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"""
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技术论坛帖子接口
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"""
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queryset = Topic.objects.all()
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serializer_class = TopicSerializer
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permission_classes = [IsAuthorOrReadOnly]
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filter_backends = [filters.SearchFilter, filters.OrderingFilter, DjangoFilterBackend]
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search_fields = ['title', 'content']
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filterset_fields = ['category', 'is_pinned']
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ordering_fields = ['created_at', 'view_count']
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ordering = ['-is_pinned', '-created_at']
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def perform_create(self, serializer):
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user = get_current_wechat_user(self.request)
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# Auth check is done in create or permission, but here we need user for save
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if user:
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serializer.save(author=user)
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def create(self, request, *args, **kwargs):
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user = get_current_wechat_user(request)
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if not user:
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return Response({'error': '请先登录'}, status=401)
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return super().create(request, *args, **kwargs)
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def retrieve(self, request, *args, **kwargs):
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instance = self.get_object()
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instance.view_count += 1
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instance.save(update_fields=['view_count'])
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serializer = self.get_serializer(instance)
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return Response(serializer.data)
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class ReplyViewSet(viewsets.ModelViewSet):
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"""
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帖子回复接口
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"""
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queryset = Reply.objects.all()
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serializer_class = ReplySerializer
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permission_classes = [IsAuthorOrReadOnly]
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def perform_create(self, serializer):
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user = get_current_wechat_user(self.request)
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if user:
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serializer.save(author=user)
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def create(self, request, *args, **kwargs):
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user = get_current_wechat_user(request)
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if not user:
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return Response({'error': '请先登录'}, status=401)
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return super().create(request, *args, **kwargs)
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import requests
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class TopicMediaViewSet(viewsets.ViewSet):
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"""
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论坛多媒体资源上传接口 (代理到外部OSS服务)
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"""
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permission_classes = [] # 内部鉴权
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parser_classes = [parsers.MultiPartParser, parsers.FormParser]
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@extend_schema(summary="上传媒体文件 (返回URL用于Markdown)")
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def create(self, request, *args, **kwargs):
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user = get_current_wechat_user(request)
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if not user:
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return Response({'error': '请先登录'}, status=401)
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file_obj = request.FILES.get('file')
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if not file_obj:
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return Response({'error': '未提供文件'}, status=400)
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# 转发到外部 OSS 上传服务
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upload_url = "https://data.tangledup-ai.com/upload?folder=uploads%2Fmarket%2Fforum_image"
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files = {'file': (file_obj.name, file_obj, file_obj.content_type)}
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try:
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# 这里的 headers 不需要 Content-Type，requests 会自动设置 multipart/form-data
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response = requests.post(upload_url, files=files, timeout=30)
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if response.status_code == 200:
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data = response.json()
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if data.get('success'):
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# Create TopicMedia record
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media_type = 'image' if 'image' in file_obj.content_type else 'video'
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media_obj = TopicMedia.objects.create(
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file_url=data.get('file_url'),
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media_type=media_type,
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# topic will be associated later
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)
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# 返回符合前端预期的格式
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return Response({
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'id': media_obj.id, # Return real DB ID
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'file': media_obj.file_url,
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'media_type': media_obj.media_type,
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'created_at': media_obj.created_at
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})
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else:
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return Response({'error': '外部服务上传失败', 'detail': data}, status=400)
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else:
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return Response({'error': f'上传服务响应错误: {response.status_code}', 'detail': response.text}, status=502)
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except Exception as e:
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return Response({'error': str(e)}, status=500)
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class AnnouncementViewSet(viewsets.ReadOnlyModelViewSet):
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"""
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社区公告接口
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"""
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queryset = Announcement.objects.all()
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serializer_class = AnnouncementSerializer
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permission_classes = [permissions.AllowAny]
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def get_queryset(self):
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now = timezone.now()
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qs = Announcement.objects.filter(is_active=True)
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# Filter by start_time (if set, must be <= now)
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qs = qs.filter(models.Q(start_time__isnull=True) | models.Q(start_time__lte=now))
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# Filter by end_time (if set, must be >= now)
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qs = qs.filter(models.Q(end_time__isnull=True) | models.Q(end_time__gte=now))
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return qs.order_by('-is_pinned', '-priority', '-created_at')
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