599 lines
23 KiB
Python
599 lines
23 KiB
Python
from rest_framework.views import APIView
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from rest_framework.response import Response
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from rest_framework.permissions import IsAuthenticated
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from rest_framework import status
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from .serializers import GmailCredentialSerializer
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from .services.gmail_service import GmailService
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from .models import GmailCredential, GmailConversation, GmailAttachment
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from django.shortcuts import get_object_or_404
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import logging
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import os
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from django.conf import settings
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from django.core.files.storage import default_storage
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from django.core.files.base import ContentFile
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# 配置日志记录器，用于记录视图操作的调试、警告和错误信息
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logger = logging.getLogger(__name__)
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class GmailAuthInitiateView(APIView):
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"""
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API 视图，用于启动 Gmail OAuth2 认证流程。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def post(self, request):
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"""
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处理 POST 请求，启动 Gmail OAuth2 认证并返回授权 URL。
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Args:
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request: Django REST Framework 请求对象，包含客户端密钥 JSON 数据。
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Returns:
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Response: 包含授权 URL 的 JSON 响应（成功时），或错误信息（失败时）。
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Status Codes:
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200: 成功生成授权 URL。
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400: 请求数据无效。
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500: 服务器内部错误（如认证服务失败）。
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"""
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logger.debug(f"Received auth initiate request: {request.data}")
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serializer = GmailCredentialSerializer(data=request.data, context={'request': request})
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if serializer.is_valid():
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try:
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# 从请求数据中提取客户端密钥 JSON
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client_secret_json = serializer.validated_data['client_secret_json']
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# 调用 GmailService 生成授权 URL
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auth_url = GmailService.initiate_authentication(request.user, client_secret_json)
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logger.info(f"Generated auth URL for user {request.user.id}")
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return Response({'auth_url': auth_url}, status=status.HTTP_200_OK)
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except Exception as e:
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# 记录错误并返回服务器错误响应
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logger.error(f"Error initiating authentication for user {request.user.id}: {str(e)}")
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return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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# 记录无效请求数据并返回错误响应
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logger.warning(f"Invalid request data: {serializer.errors}")
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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class GmailAuthCompleteView(APIView):
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"""
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API 视图，用于完成 Gmail OAuth2 认证流程。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def post(self, request):
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"""
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处理 POST 请求，使用授权代码完成 Gmail OAuth2 认证并保存凭证。
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Args:
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request: Django REST Framework 请求对象，包含授权代码和客户端密钥 JSON。
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Returns:
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Response: 包含已保存凭证数据的 JSON 响应（成功时），或错误信息（失败时）。
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Status Codes:
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201: 成功保存凭证。
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400: 请求数据无效。
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500: 服务器内部错误（如认证失败）。
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"""
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logger.debug(f"Received auth complete request: {request.data}")
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serializer = GmailCredentialSerializer(data=request.data, context={'request': request})
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if serializer.is_valid():
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try:
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# 提取授权代码和客户端密钥 JSON
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auth_code = serializer.validated_data['auth_code']
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client_secret_json = serializer.validated_data['client_secret_json']
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# 完成认证并保存凭证
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credential = GmailService.complete_authentication(request.user, auth_code, client_secret_json)
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# 序列化凭证数据以返回
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serializer = GmailCredentialSerializer(credential, context={'request': request})
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logger.info(f"Authentication completed for user {request.user.id}, email: {credential.email}")
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return Response(serializer.data, status=status.HTTP_201_CREATED)
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except Exception as e:
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# 记录错误并返回服务器错误响应
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logger.error(f"Error completing authentication for user {request.user.id}: {str(e)}")
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return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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# 记录无效请求数据并返回错误响应
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logger.warning(f"Invalid request data: {serializer.errors}")
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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class GmailCredentialListView(APIView):
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"""
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API 视图，用于列出用户的所有 Gmail 凭证。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def get(self, request):
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"""
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处理 GET 请求，返回用户的所有 Gmail 凭证列表。
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Args:
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request: Django REST Framework 请求对象。
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Returns:
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Response: 包含凭证列表的 JSON 响应。
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Status Codes:
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200: 成功返回凭证列表。
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"""
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# 获取用户关联的所有 Gmail 凭证
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credentials = request.user.gmail_credentials.all()
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# 序列化凭证数据
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serializer = GmailCredentialSerializer(credentials, many=True, context={'request': request})
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return Response(serializer.data, status=status.HTTP_200_OK)
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class GmailCredentialDetailView(APIView):
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"""
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API 视图，用于管理特定 Gmail 凭证的获取、更新和删除。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def get(self, request, pk):
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"""
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处理 GET 请求，获取特定 Gmail 凭证的详细信息。
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Args:
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request: Django REST Framework 请求对象。
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pk: 凭证的主键 ID。
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Returns:
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Response: 包含凭证详细信息的 JSON 响应。
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Status Codes:
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200: 成功返回凭证信息。
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404: 未找到指定凭证。
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"""
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# 获取用户拥有的指定凭证，未找到则返回 404
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credential = get_object_or_404(GmailCredential, pk=pk, user=request.user)
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serializer = GmailCredentialSerializer(credential, context={'request': request})
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return Response(serializer.data, status=status.HTTP_200_OK)
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def patch(self, request, pk):
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"""
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处理 PATCH 请求，更新特定 Gmail 凭证（如设置为默认凭证）。
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Args:
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request: Django REST Framework 请求对象，包含更新数据。
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pk: 凭证的主键 ID。
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Returns:
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Response: 包含更新后凭证数据的 JSON 响应，或错误信息。
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Status Codes:
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200: 成功更新凭证。
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400: 请求数据无效。
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404: 未找到指定凭证。
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"""
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# 获取用户拥有的指定凭证
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credential = get_object_or_404(GmailCredential, pk=pk, user=request.user)
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serializer = GmailCredentialSerializer(credential, data=request.data, partial=True, context={'request': request})
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if serializer.is_valid():
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# 如果设置为默认凭证，清除其他凭证的默认状态
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if serializer.validated_data.get('is_default', False):
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GmailCredential.objects.filter(user=request.user).exclude(id=credential.id).update(is_default=False)
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serializer.save()
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return Response(serializer.data, status=status.HTTP_200_OK)
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# 返回无效数据错误
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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def delete(self, request, pk):
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"""
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处理 DELETE 请求，删除特定 Gmail 凭证。
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Args:
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request: Django REST Framework 请求对象。
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pk: 凭证的主键 ID。
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Returns:
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Response: 空响应，表示删除成功。
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Status Codes:
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204: 成功删除凭证。
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404: 未找到指定凭证。
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"""
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# 获取并删除用户拥有的指定凭证
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credential = get_object_or_404(GmailCredential, pk=pk, user=request.user)
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credential.delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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class GmailConversationView(APIView):
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"""
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API视图，用于获取和保存Gmail对话。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def post(self, request):
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"""
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处理POST请求，获取Gmail对话并保存到聊天历史。
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请求参数:
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user_email: 用户Gmail邮箱
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influencer_email: 达人Gmail邮箱
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kb_id: [可选] 知识库ID，不提供则使用默认知识库
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返回:
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conversation_id: 创建的会话ID
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"""
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try:
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# 验证必填参数
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user_email = request.data.get('user_email')
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influencer_email = request.data.get('influencer_email')
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if not user_email or not influencer_email:
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return Response({
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'code': 400,
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'message': '缺少必填参数: user_email 或 influencer_email',
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'data': None
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}, status=status.HTTP_400_BAD_REQUEST)
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# 可选参数
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kb_id = request.data.get('kb_id')
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# 调用服务保存对话
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conversation_id, error = GmailService.save_conversations_to_chat(
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request.user,
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user_email,
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influencer_email,
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kb_id
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)
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if error:
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return Response({
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'code': 400,
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'message': error,
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'data': None
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}, status=status.HTTP_400_BAD_REQUEST)
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return Response({
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'code': 200,
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'message': '获取Gmail对话成功',
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'data': {
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'conversation_id': conversation_id
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}
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})
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except Exception as e:
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logger.error(f"获取Gmail对话失败: {str(e)}")
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return Response({
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'code': 500,
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'message': f'获取Gmail对话失败: {str(e)}',
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'data': None
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}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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def get(self, request):
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"""
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处理GET请求，获取用户的Gmail对话列表。
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"""
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try:
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conversations = GmailConversation.objects.filter(user=request.user, is_active=True)
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data = []
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for conversation in conversations:
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# 获取附件计数
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attachments_count = GmailAttachment.objects.filter(
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conversation=conversation
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).count()
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data.append({
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'id': str(conversation.id),
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'conversation_id': conversation.conversation_id,
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'user_email': conversation.user_email,
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'influencer_email': conversation.influencer_email,
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'title': conversation.title,
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'last_sync_time': conversation.last_sync_time.strftime('%Y-%m-%d %H:%M:%S'),
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'created_at': conversation.created_at.strftime('%Y-%m-%d %H:%M:%S'),
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'attachments_count': attachments_count
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})
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return Response({
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'code': 200,
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'message': '获取对话列表成功',
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'data': data
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})
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except Exception as e:
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logger.error(f"获取对话列表失败: {str(e)}")
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return Response({
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'code': 500,
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'message': f'获取对话列表失败: {str(e)}',
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'data': None
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}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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class GmailAttachmentListView(APIView):
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"""
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API视图，用于获取Gmail附件列表。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def get(self, request, conversation_id=None):
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"""
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处理GET请求，获取指定对话的附件列表。
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"""
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try:
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if conversation_id:
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# 获取指定对话的附件
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conversation = get_object_or_404(GmailConversation, conversation_id=conversation_id, user=request.user)
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attachments = GmailAttachment.objects.filter(conversation=conversation)
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else:
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# 获取用户的所有附件
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conversations = GmailConversation.objects.filter(user=request.user, is_active=True)
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attachments = GmailAttachment.objects.filter(conversation__in=conversations)
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data = []
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for attachment in attachments:
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data.append({
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'id': str(attachment.id),
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'conversation_id': attachment.conversation.conversation_id,
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'filename': attachment.filename,
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'content_type': attachment.content_type,
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'size': attachment.size,
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'sender_email': attachment.sender_email,
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'created_at': attachment.created_at.strftime('%Y-%m-%d %H:%M:%S'),
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'url': attachment.get_absolute_url()
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})
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return Response({
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'code': 200,
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'message': '获取附件列表成功',
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'data': data
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})
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except Exception as e:
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logger.error(f"获取附件列表失败: {str(e)}")
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return Response({
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'code': 500,
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'message': f'获取附件列表失败: {str(e)}',
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'data': None
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}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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class GmailPubSubView(APIView):
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"""
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API视图，用于设置Gmail的Pub/Sub实时通知。
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"""
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permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
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def post(self, request):
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"""
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处理POST请求，为用户的Gmail账户设置Pub/Sub推送通知。
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Args:
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request: Django REST Framework请求对象，包含Gmail邮箱信息。
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Returns:
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Response: 设置结果的JSON响应。
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Status Codes:
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200: 成功设置Pub/Sub通知。
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400: 请求数据无效。
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404: 未找到指定Gmail凭证。
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500: 服务器内部错误。
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"""
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try:
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# 获取请求参数
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email = request.data.get('email')
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if not email:
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return Response({'error': '必须提供Gmail邮箱地址'}, status=status.HTTP_400_BAD_REQUEST)
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# 检查用户是否有此Gmail账户的凭证
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credential = GmailCredential.objects.filter(user=request.user, email=email).first()
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if not credential:
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return Response({'error': f'未找到{email}的授权信息'}, status=status.HTTP_404_NOT_FOUND)
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# 设置Pub/Sub通知
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success, error = GmailService.setup_gmail_push_notification(request.user, email)
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if success:
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return Response({'message': f'已成功为{email}设置实时通知'}, status=status.HTTP_200_OK)
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else:
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return Response({'error': error}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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except Exception as e:
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logger.error(f"设置Gmail Pub/Sub通知失败: {str(e)}")
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return Response({'error': f'设置Gmail实时通知失败: {str(e)}'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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def get(self, request):
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"""
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处理GET请求，获取用户所有已设置Pub/Sub通知的Gmail账户。
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这个方法目前仅返回用户的所有Gmail凭证，未来可以扩展为返回推送通知的详细状态。
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Args:
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request: Django REST Framework请求对象。
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Returns:
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Response: 包含Gmail账户列表的JSON响应。
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Status Codes:
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200: 成功返回账户列表。
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"""
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# 获取用户所有Gmail凭证
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credentials = request.user.gmail_credentials.filter(is_valid=True)
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# 构建响应数据
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accounts = []
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for cred in credentials:
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accounts.append({
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'id': cred.id,
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'email': cred.email,
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'is_default': cred.is_default
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})
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return Response({'accounts': accounts}, status=status.HTTP_200_OK)
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class GmailNotificationStartView(APIView):
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"""
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API视图，用于启动Gmail Pub/Sub监听器。
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通常由系统管理员或后台任务调用，而非普通用户。
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"""
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permission_classes = [IsAuthenticated] # 可根据需要更改为更严格的权限
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def post(self, request):
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"""
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处理POST请求，启动Gmail Pub/Sub监听器。
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Args:
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request: Django REST Framework请求对象。
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Returns:
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Response: 启动结果的JSON响应。
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Status Codes:
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200: 成功启动监听器。
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500: 服务器内部错误。
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"""
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try:
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# 可选：指定要监听的用户ID
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user_id = request.data.get('user_id')
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# 在后台线程中启动监听器
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||
thread = GmailService.start_pubsub_listener_thread(user_id)
|
||
|
||
return Response({'message': '已成功启动Gmail实时通知监听器'}, status=status.HTTP_200_OK)
|
||
|
||
except Exception as e:
|
||
logger.error(f"启动Gmail Pub/Sub监听器失败: {str(e)}")
|
||
return Response({'error': f'启动Gmail实时通知监听器失败: {str(e)}'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
||
|
||
class GmailSendEmailView(APIView):
|
||
"""
|
||
API视图，用于发送Gmail邮件（支持附件）。
|
||
"""
|
||
permission_classes = [IsAuthenticated] # 限制访问，仅允许已认证用户
|
||
|
||
def post(self, request):
|
||
"""
|
||
处理POST请求，发送Gmail邮件。
|
||
|
||
请求应包含以下字段：
|
||
- email: 发件人Gmail邮箱
|
||
- to: 收件人邮箱
|
||
- subject: 邮件主题
|
||
- body: 邮件正文
|
||
- attachments: 附件文件IDs列表 (可选)
|
||
|
||
Args:
|
||
request: Django REST Framework请求对象。
|
||
|
||
Returns:
|
||
Response: 发送结果的JSON响应。
|
||
|
||
Status Codes:
|
||
200: 成功发送邮件。
|
||
400: 请求数据无效。
|
||
404: 未找到Gmail凭证。
|
||
500: 服务器内部错误。
|
||
"""
|
||
try:
|
||
# 获取请求参数
|
||
user_email = request.data.get('email')
|
||
to_email = request.data.get('to')
|
||
subject = request.data.get('subject')
|
||
body = request.data.get('body')
|
||
attachment_ids = request.data.get('attachments', [])
|
||
|
||
# 验证必填字段
|
||
if not all([user_email, to_email, subject]):
|
||
return Response({
|
||
'error': '缺少必要参数，请提供email、to和subject字段'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 检查是否有此Gmail账户的凭证
|
||
credential = GmailCredential.objects.filter(
|
||
user=request.user,
|
||
email=user_email,
|
||
is_valid=True
|
||
).first()
|
||
|
||
if not credential:
|
||
return Response({
|
||
'error': f'未找到{user_email}的有效授权信息'
|
||
}, status=status.HTTP_404_NOT_FOUND)
|
||
|
||
# 处理附件
|
||
attachments = []
|
||
if attachment_ids and isinstance(attachment_ids, list):
|
||
for file_id in attachment_ids:
|
||
# 查找已上传的文件
|
||
file_obj = request.FILES.get(f'file_{file_id}')
|
||
if file_obj:
|
||
# 保存临时文件
|
||
tmp_path = os.path.join(settings.MEDIA_ROOT, 'tmp', f'{file_id}_{file_obj.name}')
|
||
os.makedirs(os.path.dirname(tmp_path), exist_ok=True)
|
||
|
||
with open(tmp_path, 'wb+') as destination:
|
||
for chunk in file_obj.chunks():
|
||
destination.write(chunk)
|
||
|
||
attachments.append({
|
||
'path': tmp_path,
|
||
'filename': file_obj.name
|
||
})
|
||
else:
|
||
# 检查是否为已有的Gmail附件ID
|
||
try:
|
||
attachment = GmailAttachment.objects.get(id=file_id)
|
||
if attachment.conversation.user_id == request.user.id:
|
||
attachments.append({
|
||
'path': attachment.file_path,
|
||
'filename': attachment.filename
|
||
})
|
||
except (GmailAttachment.DoesNotExist, ValueError):
|
||
logger.warning(f"无法找到附件: {file_id}")
|
||
|
||
# 发送邮件
|
||
success, result = GmailService.send_email(
|
||
request.user,
|
||
user_email,
|
||
to_email,
|
||
subject,
|
||
body or '',
|
||
attachments
|
||
)
|
||
|
||
if success:
|
||
return Response({
|
||
'message': '邮件发送成功',
|
||
'message_id': result
|
||
}, status=status.HTTP_200_OK)
|
||
else:
|
||
return Response({
|
||
'error': result
|
||
}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
||
|
||
except Exception as e:
|
||
logger.error(f"发送Gmail邮件失败: {str(e)}")
|
||
return Response({
|
||
'error': f'发送Gmail邮件失败: {str(e)}'
|
||
}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
||
|
||
def get(self, request):
|
||
"""
|
||
处理GET请求，获取用户可用于发送邮件的Gmail账户列表。
|
||
|
||
Args:
|
||
request: Django REST Framework请求对象。
|
||
|
||
Returns:
|
||
Response: 包含Gmail账户列表的JSON响应。
|
||
|
||
Status Codes:
|
||
200: 成功返回账户列表。
|
||
"""
|
||
# 获取用户所有可用Gmail凭证
|
||
credentials = request.user.gmail_credentials.filter(is_valid=True)
|
||
|
||
# 构建响应数据
|
||
accounts = []
|
||
for cred in credentials:
|
||
accounts.append({
|
||
'id': cred.id,
|
||
'email': cred.email,
|
||
'is_default': cred.is_default
|
||
})
|
||
|
||
return Response({'accounts': accounts}, status=status.HTTP_200_OK)
|