769 lines
29 KiB
Python
769 lines
29 KiB
Python
from django.shortcuts import render, get_object_or_404
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from rest_framework import viewsets, status
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from rest_framework.response import Response
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from rest_framework.decorators import action
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.pagination import PageNumberPagination
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from .models import (
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Conversation, Message, Feedback, FeedbackTag, DetailedFeedback,
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ConversationSubmission, ConversationEvaluation, SystemConfig
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)
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from .serializers import (
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ConversationSerializer, MessageSerializer, FeedbackSerializer,
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FeedbackTagSerializer, DetailedFeedbackSerializer, ConversationSubmissionSerializer,
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ConversationEvaluationSerializer, SystemConfigSerializer
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)
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from apps.user.models import User, UserActivityLog, AnnotationStats
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from django.utils import timezone
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import uuid
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import json
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from django.db.models import Count, Avg, Sum, Q, F
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from datetime import datetime, timedelta
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from django.db import transaction
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from django.db.models.functions import TruncDate
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from apps.user.authentication import CustomTokenAuthentication
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from .siliconflow_client import SiliconFlowClient
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from django.conf import settings
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import logging
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# 创建统一响应格式的基类
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class StandardResponseMixin:
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"""标准响应格式的混合类，用于统一API响应格式"""
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def get_standard_response(self, data=None, message="成功", code=200, status_code=None):
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"""返回标准格式的响应"""
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response_data = {
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"code": code,
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"message": message,
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"data": data
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}
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return Response(response_data, status=status_code or status.HTTP_200_OK)
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def create(self, request, *args, **kwargs):
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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self.perform_create(serializer)
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headers = self.get_success_headers(serializer.data)
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return self.get_standard_response(
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data=serializer.data,
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message="创建成功",
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code=200,
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status_code=status.HTTP_201_CREATED
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)
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def list(self, request, *args, **kwargs):
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queryset = self.filter_queryset(self.get_queryset())
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page = self.paginate_queryset(queryset)
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if page is not None:
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serializer = self.get_serializer(page, many=True)
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return self.get_paginated_response(serializer.data)
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serializer = self.get_serializer(queryset, many=True)
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return self.get_standard_response(data=serializer.data)
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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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return self.get_standard_response(data=serializer.data)
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def update(self, request, *args, **kwargs):
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partial = kwargs.pop('partial', False)
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instance = self.get_object()
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serializer = self.get_serializer(instance, data=request.data, partial=partial)
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serializer.is_valid(raise_exception=True)
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self.perform_update(serializer)
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return self.get_standard_response(data=serializer.data, message="更新成功")
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def destroy(self, request, *args, **kwargs):
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instance = self.get_object()
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self.perform_destroy(instance)
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return self.get_standard_response(message="删除成功", data=None)
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def get_paginated_response(self, data):
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"""
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重写分页响应格式
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"""
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assert self.paginator is not None
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return self.get_standard_response(
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data={
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'count': self.paginator.page.paginator.count,
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'next': self.paginator.get_next_link(),
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'previous': self.paginator.get_previous_link(),
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'results': data
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}
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)
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class ConversationViewSet(StandardResponseMixin, viewsets.ModelViewSet):
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queryset = Conversation.objects.all()
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serializer_class = ConversationSerializer
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authentication_classes = [CustomTokenAuthentication]
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permission_classes = [IsAuthenticated]
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def get_queryset(self):
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user = self.request.user
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return Conversation.objects.filter(user=user).order_by('-created_at')
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def perform_create(self, serializer):
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serializer.save(user=self.request.user)
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@action(detail=True, methods=['get'])
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def messages(self, request, pk=None):
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conversation = self.get_object()
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messages = Message.objects.filter(conversation=conversation).order_by('timestamp')
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serializer = MessageSerializer(messages, many=True)
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return self.get_standard_response(data=serializer.data)
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@action(detail=True, methods=['post'])
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def message(self, request, pk=None):
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conversation = self.get_object()
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content = request.data.get('content')
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if not content:
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return self.get_standard_response(
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code=400,
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message='消息内容不能为空',
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data=None,
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status_code=status.HTTP_400_BAD_REQUEST
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)
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# 创建用户消息
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user_message = Message.objects.create(
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id=str(uuid.uuid4()),
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conversation=conversation,
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role='user',
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content=content
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)
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# 这里需要调用AI服务获取回复
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# 示例：调用SiliconFlow或其他AI服务
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ai_response = self._generate_ai_response(user_message.content, conversation)
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# 创建AI回复消息
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ai_message = Message.objects.create(
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id=str(uuid.uuid4()),
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conversation=conversation,
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role='assistant',
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content=ai_response
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)
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# 更新用户的标注统计
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self._update_annotation_stats(request.user.id)
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messages = [
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MessageSerializer(user_message).data,
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MessageSerializer(ai_message).data
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]
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return self.get_standard_response(data=messages)
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@action(detail=True, methods=['post'])
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def submit(self, request, pk=None):
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conversation = self.get_object()
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title = request.data.get('title', '')
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description = request.data.get('description', '')
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if conversation.is_submitted:
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return self.get_standard_response(
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code=400,
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message='该对话已提交',
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data=None,
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status_code=status.HTTP_400_BAD_REQUEST
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)
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# 更新对话为已提交状态
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conversation.is_submitted = True
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conversation.save()
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# 创建提交记录
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submission = ConversationSubmission.objects.create(
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id=str(uuid.uuid4()),
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conversation=conversation,
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user=request.user,
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title=title,
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description=description,
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status='submitted',
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submitted_at=timezone.now()
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)
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# 记录活动日志
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UserActivityLog.objects.create(
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user=request.user,
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action_type='conversation_submit',
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target_type='conversation',
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target_id=str(conversation.id),
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details={'title': title}
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)
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return self.get_standard_response(
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message='对话提交成功',
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data={'submission_id': submission.id}
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)
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@action(detail=True, methods=['post'])
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def resume(self, request, pk=None):
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conversation = self.get_object()
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if not conversation.is_submitted:
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return self.get_standard_response(
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code=400,
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message='该对话未提交，无需恢复',
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data=None,
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status_code=status.HTTP_400_BAD_REQUEST
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)
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# 更新对话为未提交状态
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conversation.is_submitted = False
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conversation.save()
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# 获取最新的提交记录
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submission = ConversationSubmission.objects.filter(
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conversation=conversation
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).order_by('-submitted_at').first()
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if submission and submission.status == 'submitted':
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submission.status = 'rejected'
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submission.save()
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# 记录活动日志
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UserActivityLog.objects.create(
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user=request.user,
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action_type='conversation_resume',
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target_type='conversation',
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target_id=str(conversation.id)
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)
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return self.get_standard_response(
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message='对话已恢复为未提交状态',
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data=None
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)
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def _generate_ai_response(self, user_message, conversation):
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"""
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生成AI回复，通过调用SiliconFlow API
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"""
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logger = logging.getLogger(__name__)
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try:
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# 从系统配置获取当前使用的模型
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model_config = SystemConfig.objects.filter(config_key='current_model').first()
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model_name = model_config.config_value if model_config else getattr(settings, 'DEFAULT_AI_MODEL', "Qwen/QwQ-32B")
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# 初始化SiliconFlow客户端
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sf_client = SiliconFlowClient(
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api_key=getattr(settings, 'SILICONFLOW_API_KEY', None),
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model=model_name
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)
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# 获取系统提示词（如果有）
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system_prompt_config = SystemConfig.objects.filter(config_key='system_prompt').first()
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if system_prompt_config and system_prompt_config.config_value:
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sf_client.set_system_message(system_prompt_config.config_value)
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# 获取历史消息作为上下文
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history_messages = Message.objects.filter(conversation=conversation).order_by('timestamp')
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# 添加历史消息到客户端
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for msg in history_messages:
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sf_client.add_message(msg.role, msg.content)
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# 调用API获取回复
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logger.info(f"正在调用AI API (模型: {model_name}) 处理消息: {user_message[:50]}...")
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response = sf_client.chat(user_message)
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# 记录AI回复到日志
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logger.info(f"AI回复成功，回复长度: {len(response)}")
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return response
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except Exception as e:
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logger.exception(f"AI API调用失败: {str(e)}")
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return f"很抱歉，AI服务暂时不可用: {str(e)}"
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def _update_annotation_stats(self, user_id):
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"""更新用户的标注统计信息"""
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today = timezone.now().date()
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# 获取或创建今天的统计记录
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stats, created = AnnotationStats.objects.get_or_create(
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user_id=user_id,
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date=today,
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defaults={
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'id': str(uuid.uuid4()),
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'total_annotations': 0,
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'positive_annotations': 0,
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'negative_annotations': 0,
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'conversations_count': 0,
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'messages_count': 0
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}
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)
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# 更新消息计数
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stats.messages_count += 1
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stats.save()
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class MessageViewSet(StandardResponseMixin, viewsets.ModelViewSet):
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queryset = Message.objects.all()
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serializer_class = MessageSerializer
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authentication_classes = [CustomTokenAuthentication]
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permission_classes = [IsAuthenticated]
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def get_queryset(self):
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user = self.request.user
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return Message.objects.filter(conversation__user=user).order_by('timestamp')
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class FeedbackViewSet(StandardResponseMixin, viewsets.ModelViewSet):
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queryset = Feedback.objects.all()
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serializer_class = FeedbackSerializer
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||
authentication_classes = [CustomTokenAuthentication]
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permission_classes = [IsAuthenticated]
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def get_queryset(self):
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user = self.request.user
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return Feedback.objects.filter(user=user).order_by('-timestamp')
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def create(self, request, *args, **kwargs):
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message_id = request.data.get('message_id')
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conversation_id = request.data.get('conversation_id')
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feedback_value = request.data.get('feedback_value')
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||
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if not message_id or not conversation_id:
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return self.get_standard_response(
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code=400,
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message='消息ID和对话ID不能为空',
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data=None,
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status_code=status.HTTP_400_BAD_REQUEST
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)
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try:
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message = Message.objects.get(id=message_id)
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conversation = Conversation.objects.get(id=conversation_id)
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except (Message.DoesNotExist, Conversation.DoesNotExist):
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return self.get_standard_response(
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code=404,
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message='消息或对话不存在',
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data=None,
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status_code=status.HTTP_404_NOT_FOUND
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)
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# 创建或更新反馈
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feedback_id = str(uuid.uuid4())
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feedback, created = Feedback.objects.update_or_create(
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message_id=message_id,
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conversation_id=conversation_id,
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user=request.user,
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||
defaults={
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'id': feedback_id,
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'feedback_value': feedback_value,
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'timestamp': timezone.now()
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}
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)
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# 更新用户的标注统计
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self._update_annotation_stats(request.user.id, feedback_value)
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||
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return self.get_standard_response(
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message='反馈提交成功',
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||
data=FeedbackSerializer(feedback).data
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||
)
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def _update_annotation_stats(self, user_id, feedback_value):
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"""更新用户的标注统计信息"""
|
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today = timezone.now().date()
|
||
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||
# 获取或创建今天的统计记录
|
||
stats, created = AnnotationStats.objects.get_or_create(
|
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user_id=user_id,
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date=today,
|
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defaults={
|
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'id': str(uuid.uuid4()),
|
||
'total_annotations': 0,
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'positive_annotations': 0,
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||
'negative_annotations': 0,
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'conversations_count': 0,
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'messages_count': 0
|
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}
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)
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# 更新统计
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stats.total_annotations += 1
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if feedback_value > 0:
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stats.positive_annotations += 1
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elif feedback_value < 0:
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stats.negative_annotations += 1
|
||
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stats.save()
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|
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class FeedbackTagViewSet(StandardResponseMixin, viewsets.ModelViewSet):
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||
queryset = FeedbackTag.objects.all()
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||
serializer_class = FeedbackTagSerializer
|
||
authentication_classes = [CustomTokenAuthentication]
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def get_queryset(self):
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tag_type = self.request.query_params.get('type')
|
||
if tag_type and tag_type in ['positive', 'negative']:
|
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return FeedbackTag.objects.filter(tag_type=tag_type)
|
||
return FeedbackTag.objects.all()
|
||
|
||
|
||
class DetailedFeedbackViewSet(StandardResponseMixin, viewsets.ModelViewSet):
|
||
queryset = DetailedFeedback.objects.all()
|
||
serializer_class = DetailedFeedbackSerializer
|
||
authentication_classes = [CustomTokenAuthentication]
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def get_queryset(self):
|
||
user = self.request.user
|
||
return DetailedFeedback.objects.filter(user=user).order_by('-created_at')
|
||
|
||
def create(self, request, *args, **kwargs):
|
||
message_id = request.data.get('message_id')
|
||
conversation_id = request.data.get('conversation_id')
|
||
feedback_type = request.data.get('feedback_type')
|
||
feedback_tags = request.data.get('feedback_tags', [])
|
||
custom_tags = request.data.get('custom_tags', '')
|
||
custom_content = request.data.get('custom_content', '')
|
||
is_inline = request.data.get('is_inline', True)
|
||
|
||
if not message_id or not conversation_id or not feedback_type:
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='消息ID、对话ID和反馈类型不能为空',
|
||
data=None,
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
try:
|
||
message = Message.objects.get(id=message_id)
|
||
conversation = Conversation.objects.get(id=conversation_id)
|
||
except (Message.DoesNotExist, Conversation.DoesNotExist):
|
||
return self.get_standard_response(
|
||
code=404,
|
||
message='消息或对话不存在',
|
||
data=None,
|
||
status_code=status.HTTP_404_NOT_FOUND
|
||
)
|
||
|
||
# 将标签列表转换为JSON字符串
|
||
if isinstance(feedback_tags, list):
|
||
feedback_tags = json.dumps(feedback_tags)
|
||
|
||
# 创建详细反馈
|
||
detailed_feedback = DetailedFeedback.objects.create(
|
||
id=str(uuid.uuid4()),
|
||
message=message,
|
||
conversation=conversation,
|
||
user=request.user,
|
||
feedback_type=feedback_type,
|
||
feedback_tags=feedback_tags,
|
||
custom_tags=custom_tags,
|
||
custom_content=custom_content,
|
||
is_inline=is_inline,
|
||
created_at=timezone.now(),
|
||
updated_at=timezone.now()
|
||
)
|
||
|
||
# 记录活动日志
|
||
UserActivityLog.objects.create(
|
||
user=request.user,
|
||
action_type='detailed_feedback_submit',
|
||
target_type='message',
|
||
target_id=message_id,
|
||
details={
|
||
'feedback_type': feedback_type,
|
||
'is_inline': is_inline
|
||
}
|
||
)
|
||
|
||
# 更新用户的标注统计
|
||
self._update_annotation_stats(request.user.id, feedback_type)
|
||
|
||
return self.get_standard_response(
|
||
message='详细反馈提交成功',
|
||
data=DetailedFeedbackSerializer(detailed_feedback).data
|
||
)
|
||
|
||
def _update_annotation_stats(self, user_id, feedback_type):
|
||
"""更新用户的标注统计信息"""
|
||
today = timezone.now().date()
|
||
|
||
# 获取或创建今天的统计记录
|
||
stats, created = AnnotationStats.objects.get_or_create(
|
||
user_id=user_id,
|
||
date=today,
|
||
defaults={
|
||
'id': str(uuid.uuid4()),
|
||
'total_annotations': 0,
|
||
'positive_annotations': 0,
|
||
'negative_annotations': 0,
|
||
'conversations_count': 0,
|
||
'messages_count': 0
|
||
}
|
||
)
|
||
|
||
# 更新统计
|
||
stats.total_annotations += 1
|
||
if feedback_type == 'positive':
|
||
stats.positive_annotations += 1
|
||
elif feedback_type == 'negative':
|
||
stats.negative_annotations += 1
|
||
|
||
stats.save()
|
||
|
||
|
||
class ConversationSubmissionViewSet(StandardResponseMixin, viewsets.ModelViewSet):
|
||
queryset = ConversationSubmission.objects.all()
|
||
serializer_class = ConversationSubmissionSerializer
|
||
authentication_classes = [CustomTokenAuthentication]
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def get_queryset(self):
|
||
user = self.request.user
|
||
|
||
# 管理员可以查看所有提交
|
||
if user.role == 'admin':
|
||
queryset = ConversationSubmission.objects.all()
|
||
else:
|
||
# 普通用户只能查看自己的提交
|
||
queryset = ConversationSubmission.objects.filter(user=user)
|
||
|
||
# 过滤状态
|
||
status_filter = self.request.query_params.get('status')
|
||
if status_filter:
|
||
queryset = queryset.filter(status=status_filter)
|
||
|
||
return queryset.order_by('-submitted_at')
|
||
|
||
@action(detail=True, methods=['post'])
|
||
def review(self, request, pk=None):
|
||
if request.user.role != 'admin':
|
||
return self.get_standard_response(
|
||
code=403,
|
||
message='只有管理员可以进行审核',
|
||
data=None,
|
||
status_code=status.HTTP_403_FORBIDDEN
|
||
)
|
||
|
||
submission = self.get_object()
|
||
status_value = request.data.get('status')
|
||
quality_score = request.data.get('quality_score')
|
||
reviewer_notes = request.data.get('reviewer_notes', '')
|
||
|
||
if not status_value or status_value not in ['accepted', 'rejected']:
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='状态值无效',
|
||
data=None,
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
if quality_score is not None and (quality_score < 1 or quality_score > 5):
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='质量分数必须在1-5之间',
|
||
data=None,
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
# 更新提交状态
|
||
submission.status = status_value
|
||
submission.quality_score = quality_score
|
||
submission.reviewer = request.user
|
||
submission.reviewer_notes = reviewer_notes
|
||
submission.reviewed_at = timezone.now()
|
||
submission.save()
|
||
|
||
# 记录活动日志
|
||
UserActivityLog.objects.create(
|
||
user=request.user,
|
||
action_type='submission_review',
|
||
target_type='submission',
|
||
target_id=submission.id,
|
||
details={
|
||
'status': status_value,
|
||
'quality_score': quality_score
|
||
}
|
||
)
|
||
|
||
return self.get_standard_response(
|
||
message='审核完成',
|
||
data=ConversationSubmissionSerializer(submission).data
|
||
)
|
||
|
||
|
||
class ConversationEvaluationViewSet(StandardResponseMixin, viewsets.ModelViewSet):
|
||
queryset = ConversationEvaluation.objects.all()
|
||
serializer_class = ConversationEvaluationSerializer
|
||
authentication_classes = [CustomTokenAuthentication]
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def get_queryset(self):
|
||
user = self.request.user
|
||
return ConversationEvaluation.objects.filter(user=user).order_by('-created_at')
|
||
|
||
def create(self, request, *args, **kwargs):
|
||
conversation_id = request.data.get('conversation_id')
|
||
overall_feeling = request.data.get('overall_feeling', '')
|
||
has_logical_issues = request.data.get('has_logical_issues')
|
||
needs_satisfied = request.data.get('needs_satisfied')
|
||
|
||
if not conversation_id or has_logical_issues is None or needs_satisfied is None:
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='对话ID、逻辑问题和需求满足度不能为空',
|
||
data=None,
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
try:
|
||
conversation = Conversation.objects.get(id=conversation_id)
|
||
except Conversation.DoesNotExist:
|
||
return self.get_standard_response(
|
||
code=404,
|
||
message='对话不存在',
|
||
data=None,
|
||
status_code=status.HTTP_404_NOT_FOUND
|
||
)
|
||
|
||
# 检查是否已存在评估
|
||
existing_evaluation = ConversationEvaluation.objects.filter(
|
||
conversation_id=conversation_id,
|
||
user=request.user
|
||
).first()
|
||
|
||
if existing_evaluation:
|
||
# 如果已存在评估，返回提示信息
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='您已经对这个对话进行过评估，请使用PUT或PATCH方法更新评估',
|
||
data={
|
||
'evaluation_id': existing_evaluation.id,
|
||
'created_at': existing_evaluation.created_at
|
||
},
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
# 创建新评估
|
||
evaluation = ConversationEvaluation.objects.create(
|
||
id=str(uuid.uuid4()),
|
||
conversation_id=conversation_id,
|
||
user=request.user,
|
||
overall_feeling=overall_feeling,
|
||
has_logical_issues=has_logical_issues,
|
||
needs_satisfied=needs_satisfied,
|
||
created_at=timezone.now(),
|
||
updated_at=timezone.now()
|
||
)
|
||
|
||
# 记录活动日志
|
||
UserActivityLog.objects.create(
|
||
user=request.user,
|
||
action_type='conversation_evaluation',
|
||
target_type='conversation',
|
||
target_id=conversation_id,
|
||
details={
|
||
'has_logical_issues': has_logical_issues,
|
||
'needs_satisfied': needs_satisfied
|
||
}
|
||
)
|
||
|
||
return self.get_standard_response(
|
||
message='评估提交成功',
|
||
data=ConversationEvaluationSerializer(evaluation).data
|
||
)
|
||
|
||
class SystemConfigViewSet(StandardResponseMixin, viewsets.ModelViewSet):
|
||
queryset = SystemConfig.objects.all()
|
||
serializer_class = SystemConfigSerializer
|
||
authentication_classes = [CustomTokenAuthentication]
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def get_queryset(self):
|
||
# 只有管理员可以查看所有配置
|
||
if self.request.user.role == 'admin':
|
||
return SystemConfig.objects.all()
|
||
# 其他用户只能查看公开配置
|
||
return SystemConfig.objects.filter(config_key__startswith='public_')
|
||
|
||
@action(detail=False, methods=['get', 'post'])
|
||
def model(self, request):
|
||
if request.method == 'GET':
|
||
# 获取当前模型
|
||
model_config = SystemConfig.objects.filter(config_key='current_model').first()
|
||
if model_config:
|
||
return self.get_standard_response(
|
||
data={'model': model_config.config_value}
|
||
)
|
||
return self.get_standard_response(
|
||
data={'model': '默认模型'}
|
||
)
|
||
|
||
elif request.method == 'POST':
|
||
# 设置当前模型
|
||
if request.user.role != 'admin':
|
||
return self.get_standard_response(
|
||
code=403,
|
||
message='只有管理员可以更改模型',
|
||
data=None,
|
||
status_code=status.HTTP_403_FORBIDDEN
|
||
)
|
||
|
||
model_name = request.data.get('model')
|
||
if not model_name:
|
||
return self.get_standard_response(
|
||
code=400,
|
||
message='模型名称不能为空',
|
||
data=None,
|
||
status_code=status.HTTP_400_BAD_REQUEST
|
||
)
|
||
|
||
# 更新或创建配置
|
||
config, created = SystemConfig.objects.update_or_create(
|
||
config_key='current_model',
|
||
defaults={
|
||
'id': str(uuid.uuid4()) if created else F('id'),
|
||
'config_value': model_name,
|
||
'config_type': 'string',
|
||
'description': '当前使用的AI模型',
|
||
'updated_at': timezone.now()
|
||
}
|
||
)
|
||
|
||
return self.get_standard_response(
|
||
message='模型设置成功',
|
||
data={'model': model_name}
|
||
)
|
||
|
||
@action(detail=False, methods=['get'])
|
||
def models(self, request):
|
||
"""返回可用的模型列表"""
|
||
from .siliconflow_client import SiliconFlowClient
|
||
from django.conf import settings
|
||
import logging
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
try:
|
||
# 从SiliconFlow获取可用模型列表
|
||
logger.info("正在获取可用模型列表...")
|
||
models = SiliconFlowClient.get_available_models(
|
||
api_key=getattr(settings, 'SILICONFLOW_API_KEY', None)
|
||
)
|
||
logger.info(f"成功获取 {len(models)} 个可用模型")
|
||
|
||
return self.get_standard_response(
|
||
data={'models': models}
|
||
)
|
||
except Exception as e:
|
||
logger.exception(f"获取模型列表失败: {str(e)}")
|
||
# 使用预定义的模型列表作为备选
|
||
fallback_models = SiliconFlowClient._get_fallback_models()
|
||
return self.get_standard_response(
|
||
code=200, # 仍然返回200以避免前端错误
|
||
message="无法从API获取模型列表，使用预定义列表",
|
||
data={'models': fallback_models}
|
||
) |