增加gmail模块

apps/accounts/migrations/0005_usergoal.py

@@ -0,0 +1,33 @@
+# Generated by Django 5.2 on 2025-05-13 09:47
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0004_delete_usergoal'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserGoal',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('description', models.TextField(verbose_name='目标描述')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('is_active', models.BooleanField(default=True, verbose_name='是否激活')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='goals', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': '用户目标',
+                'verbose_name_plural': '用户目标',
+                'db_table': 'user_goals',
+                'ordering': ['-updated_at'],
+            },
+        ),
+    ]

apps/accounts/models.py

@@ -98,3 +98,21 @@ class UserProfile(models.Model):
         
     def __str__(self):
         return f"{self.user.username}的个人资料"
+
+class UserGoal(models.Model):
+    """用户目标模型 - 存储用户设定的沟通或销售目标"""
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='goals')
+    description = models.TextField(verbose_name='目标描述')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    is_active = models.BooleanField(default=True, verbose_name='是否激活')
+    
+    class Meta:
+        db_table = 'user_goals'
+        verbose_name = '用户目标'
+        verbose_name_plural = '用户目标'
+        ordering = ['-updated_at']
+    
+    def __str__(self):
+        return f"{self.user.username}的目标"

apps/accounts/serializers.py

@@ -1,5 +1,5 @@
 from rest_framework import serializers
-from apps.accounts.models import User, UserProfile
+from apps.accounts.models import User, UserProfile, UserGoal
 
 class UserProfileSerializer(serializers.ModelSerializer):
     """用户档案序列化器"""
@@ -61,3 +61,18 @@ class PasswordChangeSerializer(serializers.Serializer):
         if not user.check_password(value):
             raise serializers.ValidationError("旧密码不正确")
         return value 
+
+
+class UserGoalSerializer(serializers.ModelSerializer):
+    """用户目标序列化器"""
+    
+    class Meta:
+        model = UserGoal
+        fields = ['id', 'description', 'created_at', 'updated_at', 'is_active']
+        read_only_fields = ['id', 'created_at', 'updated_at']
+    
+    def create(self, validated_data):
+        """创建新目标时自动关联当前用户"""
+        user = self.context['request'].user
+        goal = UserGoal.objects.create(user=user, **validated_data)
+        return goal 

apps/accounts/services/goal_service.py

@@ -0,0 +1,102 @@
+import logging
+from django.conf import settings
+from datetime import datetime
+from apps.accounts.models import UserGoal
+from apps.gmail.models import GmailConversation, ConversationSummary
+from apps.chat.models import ChatHistory
+from apps.common.services.ai_service import AIService
+
+logger = logging.getLogger(__name__)
+
+def get_active_goal(user):
+    """
+    获取用户最新的活跃目标
+    
+    Args:
+        user: 用户对象
+        
+    Returns:
+        UserGoal: 用户目标对象或None
+    """
+    return UserGoal.objects.filter(user=user, is_active=True).order_by('-updated_at').first()
+
+def get_conversation_summary(conversation_id):
+    """
+    获取对话摘要
+    
+    Args:
+        conversation_id: 对话ID
+        
+    Returns:
+        str: 摘要内容或None
+    """
+    try:
+        # 先检查持久化存储的摘要
+        try:
+            conversation = GmailConversation.objects.get(conversation_id=conversation_id)
+            summary = ConversationSummary.objects.get(conversation=conversation)
+            return summary.content
+        except (GmailConversation.DoesNotExist, ConversationSummary.DoesNotExist):
+            pass
+            
+        # 如果没有持久化的摘要，尝试生成简单摘要
+        chat_history = ChatHistory.objects.filter(conversation_id=conversation_id).order_by('-created_at')[:5]
+        if not chat_history:
+            return None
+            
+        # 生成简单摘要（最近几条消息）
+        messages = []
+        for msg in chat_history:
+            if len(messages) < 3:  # 只取最新的3条
+                role = "用户" if msg.role == "user" else "达人"
+                content = msg.content
+                if len(content) > 100:
+                    content = content[:100] + "..."
+                messages.append(f"{role}: {content}")
+                
+        if messages:
+            return "最近对话: " + " | ".join(reversed(messages))
+        return None
+    except Exception as e:
+        logger.error(f"获取对话摘要失败: {str(e)}")
+        return None
+
+def get_last_message(conversation_id):
+    """
+    获取对话中最后一条对方发送的消息
+    
+    Args:
+        conversation_id: 对话ID
+        
+    Returns:
+        str: 最后一条消息内容或None
+    """
+    try:
+        # 获取对话中最后一条对方（达人）发送的消息
+        last_message = ChatHistory.objects.filter(
+            conversation_id=conversation_id,
+            role='assistant'  # 达人的消息
+        ).order_by('-created_at').first()
+        
+        if last_message:
+            return last_message.content
+        return None
+    except Exception as e:
+        logger.error(f"获取最后一条消息失败: {str(e)}")
+        return None
+
+def generate_recommended_reply(user, goal_description, conversation_summary, last_message):
+    """
+    根据用户目标、对话摘要和最后一条消息生成推荐话术
+    
+    Args:
+        user: 用户对象
+        goal_description: 用户目标描述
+        conversation_summary: 对话摘要
+        last_message: 达人最后发送的消息内容
+        
+    Returns:
+        tuple: (推荐话术内容, 错误信息)
+    """
+    # 直接调用AIService生成回复
+    return AIService.generate_email_reply(goal_description, conversation_summary, last_message) 

apps/accounts/urls.py

@@ -4,6 +4,7 @@ from apps.accounts.views import (
     LoginView, RegisterView, LogoutView, user_profile, change_password,
     user_detail, user_update, user_delete, verify_token, user_list
 )
+from .views import UserGoalView, UserGoalDetailView, RecommendedReplyView
 
 urlpatterns = [
     path('login/', LoginView.as_view(), name='login'),
@@ -16,4 +17,7 @@ urlpatterns = [
     path('users/<str:pk>/', user_detail, name='user_detail'),
     path('users/<str:pk>/update/', user_update, name='user_update'),
     path('users/<str:pk>/delete/', user_delete, name='user_delete'),
+    path('goals/', UserGoalView.as_view(), name='user_goals'),
+    path('goals/<str:goal_id>/', UserGoalDetailView.as_view(), name='user_goal_detail'),
+    path('recommended-reply/', RecommendedReplyView.as_view(), name='recommended_reply'),
 ]

apps/accounts/views.py

@@ -15,13 +15,18 @@ from django.shortcuts import get_object_or_404
 import uuid
 import logging
 import traceback
-from apps.accounts.models import User
+from apps.accounts.models import User, UserGoal
 from apps.accounts.services.auth_service import (
     authenticate_user, create_user, generate_token, delete_token
 )
 from apps.accounts.services.utils import (
     convert_to_uuid, format_user_response, validate_uuid_param
 )
+from apps.accounts.services.goal_service import (
+    generate_recommended_reply, get_active_goal, get_conversation_summary,
+    get_last_message
+)
+from .serializers import UserGoalSerializer
 
 logger = logging.getLogger(__name__)
 
@@ -586,3 +591,271 @@ def user_list(request):
             'data': None
         }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
+class UserGoalView(APIView):
+    """
+    用户目标管理API
+    """
+    permission_classes = [IsAuthenticated]
+    
+    def get(self, request):
+        """获取当前用户的所有目标"""
+        try:
+            goals = UserGoal.objects.filter(user=request.user, is_active=True)
+            serializer = UserGoalSerializer(goals, many=True)
+            return Response({
+                'code': 200,
+                'message': '获取目标列表成功',
+                'data': serializer.data
+            })
+        except Exception as e:
+            logger.error(f"获取用户目标失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'获取用户目标失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+    
+    def post(self, request):
+        """创建新的用户目标"""
+        try:
+            serializer = UserGoalSerializer(data=request.data, context={'request': request})
+            if serializer.is_valid():
+                serializer.save()
+                return Response({
+                    'code': 201,
+                    'message': '目标创建成功',
+                    'data': serializer.data
+                }, status=status.HTTP_201_CREATED)
+            
+            return Response({
+                'code': 400,
+                'message': '创建目标失败',
+                'data': serializer.errors
+            }, status=status.HTTP_400_BAD_REQUEST)
+        except Exception as e:
+            logger.error(f"创建用户目标失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'创建用户目标失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+class UserGoalDetailView(APIView):
+    """
+    用户目标详情API
+    """
+    permission_classes = [IsAuthenticated]
+    
+    def get_object(self, goal_id, user):
+        """获取指定的用户目标"""
+        try:
+            # 验证UUID格式
+            uuid_obj, error_response = validate_uuid_param(goal_id)
+            if error_response:
+                return None
+                
+            return UserGoal.objects.get(id=uuid_obj, user=user)
+        except UserGoal.DoesNotExist:
+            return None
+    
+    def get(self, request, goal_id):
+        """获取单个目标详情"""
+        try:
+            goal = self.get_object(goal_id, request.user)
+            if not goal:
+                return Response({
+                    'code': 404,
+                    'message': '目标不存在',
+                    'data': None
+                }, status=status.HTTP_404_NOT_FOUND)
+                
+            serializer = UserGoalSerializer(goal)
+            return Response({
+                'code': 200,
+                'message': '获取目标详情成功',
+                'data': serializer.data
+            })
+        except Exception as e:
+            logger.error(f"获取目标详情失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'获取目标详情失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+    
+    def put(self, request, goal_id):
+        """更新目标信息"""
+        try:
+            goal = self.get_object(goal_id, request.user)
+            if not goal:
+                return Response({
+                    'code': 404,
+                    'message': '目标不存在',
+                    'data': None
+                }, status=status.HTTP_404_NOT_FOUND)
+                
+            serializer = UserGoalSerializer(goal, data=request.data)
+            if serializer.is_valid():
+                serializer.save()
+                return Response({
+                    'code': 200,
+                    'message': '目标更新成功',
+                    'data': serializer.data
+                })
+                
+            return Response({
+                'code': 400,
+                'message': '更新目标失败',
+                'data': serializer.errors
+            }, status=status.HTTP_400_BAD_REQUEST)
+        except Exception as e:
+            logger.error(f"更新目标失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'更新目标失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+    
+    def delete(self, request, goal_id):
+        """删除目标"""
+        try:
+            goal = self.get_object(goal_id, request.user)
+            if not goal:
+                return Response({
+                    'code': 404,
+                    'message': '目标不存在',
+                    'data': None
+                }, status=status.HTTP_404_NOT_FOUND)
+                
+            # 软删除: 将状态设置为非活跃
+            goal.is_active = False
+            goal.save()
+            
+            return Response({
+                'code': 200,
+                'message': '目标删除成功',
+                'data': None
+            })
+        except Exception as e:
+            logger.error(f"删除目标失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'删除目标失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+    
+class RecommendedReplyView(APIView):
+    """
+    基于用户目标生成推荐回复话术的API
+    """
+    permission_classes = [IsAuthenticated]
+    
+    def post(self, request):
+        """
+        生成推荐回复话术
+        
+        请求参数:
+        - goal_id: 目标ID (可选，如不提供则使用用户当前活跃目标)
+        - conversation_id: 对话ID (可选，用于获取对话摘要和最后一条消息)
+        - conversation_summary: 对话摘要 (可选，如提供了conversation_id则优先使用对话ID获取摘要)
+        - last_message: 达人最后发送的消息内容 (可选，如提供了conversation_id则可以自动获取)
+        
+        响应:
+        - 推荐的回复话术
+        """
+        try:
+            # 获取请求参数
+            goal_id = request.data.get('goal_id')
+            conversation_id = request.data.get('conversation_id')
+            conversation_summary = request.data.get('conversation_summary', '')
+            last_message = request.data.get('last_message')
+            
+            # 如果提供了对话ID，尝试获取对话摘要和最后一条消息
+            if conversation_id:
+                # 获取对话摘要
+                stored_summary = get_conversation_summary(conversation_id)
+                if stored_summary:
+                    conversation_summary = stored_summary
+                
+                # 如果没有提供last_message，尝试从对话中获取
+                if not last_message:
+                    last_message = get_last_message(conversation_id)
+            
+            # 验证必填参数
+            if not last_message:
+                return Response({
+                    'code': 400,
+                    'message': '缺少必要参数: last_message，且无法从对话ID自动获取最后一条消息',
+                    'data': None
+                }, status=status.HTTP_400_BAD_REQUEST)
+            
+            # 获取用户目标
+            if goal_id:
+                # 如果提供了目标ID，则获取该目标
+                uuid_obj, error_response = validate_uuid_param(goal_id)
+                if error_response:
+                    return error_response
+                    
+                try:
+                    goal = UserGoal.objects.get(id=uuid_obj, user=request.user, is_active=True)
+                    goal_description = goal.description
+                except UserGoal.DoesNotExist:
+                    return Response({
+                        'code': 404,
+                        'message': '目标不存在',
+                        'data': None
+                    }, status=status.HTTP_404_NOT_FOUND)
+            else:
+                # 否则使用用户最近的活跃目标
+                goal = get_active_goal(request.user)
+                
+                if not goal:
+                    return Response({
+                        'code': 404,
+                        'message': '未找到活跃目标，请先设置目标',
+                        'data': None
+                    }, status=status.HTTP_404_NOT_FOUND)
+                    
+                goal_description = goal.description
+            
+            # 生成推荐回复
+            reply_content, error = generate_recommended_reply(
+                request.user,
+                goal_description,
+                conversation_summary,
+                last_message
+            )
+            
+            if error:
+                return Response({
+                    'code': 500,
+                    'message': f'生成推荐回复失败: {error}',
+                    'data': None
+                }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+            
+            return Response({
+                'code': 200,
+                'message': '推荐回复生成成功',
+                'data': {
+                    'goal_id': str(goal.id),
+                    'goal_description': goal_description,
+                    'recommended_reply': reply_content,
+                    'conversation_id': conversation_id
+                }
+            })
+            
+        except Exception as e:
+            logger.error(f"生成推荐回复失败: {str(e)}")
+            logger.error(traceback.format_exc())
+            return Response({
+                'code': 500,
+                'message': f'服务器错误: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+    

apps/common/services/ai_service.py

@@ -0,0 +1,202 @@
+import requests
+import logging
+import json
+from django.conf import settings
+from datetime import datetime
+
+logger = logging.getLogger(__name__)
+
+class AIService:
+    """
+    通用AI服务类，提供对不同AI模型的统一调用接口
+    """
+    
+    @staticmethod
+    def call_silicon_cloud_api(messages, model="deepseek-ai/DeepSeek-V3", max_tokens=512, temperature=0.7):
+        """
+        调用SiliconCloud API
+        
+        Args:
+            messages: 消息列表，格式为[{"role": "user", "content": "..."}, ...]
+            model: 使用的模型名称，默认为DeepSeek-V3
+            max_tokens: 最大生成token数
+            temperature: 温度参数，控制创造性
+            
+        Returns:
+            tuple: (生成内容, 错误信息)
+        """
+        try:
+            # 获取API密钥
+            api_key = getattr(settings, 'SILICON_CLOUD_API_KEY', '')
+            if not api_key:
+                return None, "未配置Silicon Cloud API密钥"
+                
+            url = "https://api.siliconflow.cn/v1/chat/completions"
+            
+            payload = {
+                "model": model,
+                "stream": False,
+                "max_tokens": max_tokens,
+                "temperature": temperature,
+                "top_p": 0.7,
+                "top_k": 50,
+                "frequency_penalty": 0.5,
+                "n": 1,
+                "stop": [],
+                "messages": messages
+            }
+            
+            headers = {
+                "Authorization": f"Bearer {api_key}",
+                "Content-Type": "application/json"
+            }
+            
+            # 设置代理（如果配置了）
+            proxies = None
+            proxy_url = getattr(settings, 'PROXY_URL', None)
+            if proxy_url:
+                proxies = {
+                    "http": proxy_url,
+                    "https": proxy_url
+                }
+            
+            # 发送请求
+            logger.info(f"正在调用SiliconCloud API，模型: {model}")
+            response = requests.post(url, json=payload, headers=headers, proxies=proxies)
+            
+            if response.status_code != 200:
+                logger.error(f"API请求失败，状态码: {response.status_code}，响应: {response.text}")
+                return None, f"API请求失败，状态码: {response.status_code}"
+                
+            result = response.json()
+            
+            # 从API响应中提取内容
+            if 'choices' in result and result['choices']:
+                content = result['choices'][0]['message']['content'].strip()
+                return content, None
+            else:
+                logger.error(f"API响应格式错误: {result}")
+                return None, "API响应格式错误，无法提取内容"
+                
+        except requests.exceptions.RequestException as e:
+            logger.error(f"API请求异常: {str(e)}")
+            return None, f"API请求异常: {str(e)}"
+        except Exception as e:
+            logger.error(f"调用AI服务失败: {str(e)}")
+            return None, f"调用AI服务失败: {str(e)}"
+    
+    @staticmethod
+    def generate_email_reply(goal_description, conversation_summary, last_message):
+        """
+        生成邮件回复话术
+        
+        Args:
+            goal_description: 用户目标描述
+            conversation_summary: 对话摘要
+            last_message: 达人最后发送的消息内容
+            
+        Returns:
+            tuple: (推荐话术内容, 错误信息)
+        """
+        try:
+            # 验证必要参数
+            if not goal_description or not last_message:
+                return None, "缺少必要参数：目标描述或最后消息"
+                
+            # 准备提示信息
+            prompt = f"""
+请为用户提供一条回复达人邮件的推荐话术，帮助用户实现销售目标。
+
+用户目标：{goal_description}
+
+对话摘要：{conversation_summary or '无对话摘要'}
+
+达人最后发送的消息：
+{last_message}
+
+要求：
+1. 回复应当专业礼貌，并围绕用户目标展开
+2. 提供有说服力的话术，推动促成合作
+3. 不超过200字
+4. 直接给出回复内容，不要包含任何额外解释
+"""
+            
+            messages = [
+                {
+                    "role": "system", 
+                    "content": "你是一名专业的邮件回复助手，你的任务是生成有效的销售话术，帮助用户实现销售目标。"
+                },
+                {
+                    "role": "user",
+                    "content": prompt
+                }
+            ]
+            
+            # 调用通用API方法
+            return AIService.call_silicon_cloud_api(
+                messages, 
+                model="Pro/deepseek-ai/DeepSeek-R1",
+                max_tokens=512,
+                temperature=0.7
+            )
+                
+        except Exception as e:
+            logger.error(f"生成回复话术失败: {str(e)}")
+            return None, f"生成回复话术失败: {str(e)}"
+    
+    @staticmethod
+    def generate_conversation_summary(conversation_history):
+        """
+        生成对话摘要
+        
+        Args:
+            conversation_history: 对话历史记录列表
+            
+        Returns:
+            tuple: (摘要内容, 错误信息)
+        """
+        try:
+            if not conversation_history:
+                return None, "无对话历史，无法生成摘要"
+                
+            # 构造对话历史文本
+            conversation_text = "\n\n".join([
+                f"**{'用户' if msg.get('is_from_user', False) else '达人'}**: {msg.get('content', '')}"
+                for msg in conversation_history
+            ])
+            
+            # 准备提示信息
+            prompt = f"""
+请对以下用户与达人之间的对话内容进行总结:
+
+{conversation_text}
+
+要求:
+1. 总结应包含双方主要讨论的话题和关键点
+2. 特别关注产品详情、价格谈判、合作意向等商务要点
+3. 简明扼要，不超过200字
+4. 直接给出总结内容，不要包含任何额外解释
+"""
+            
+            messages = [
+                {
+                    "role": "system", 
+                    "content": "你是一名专业的对话总结助手，擅长提取商务沟通中的关键信息。"
+                },
+                {
+                    "role": "user",
+                    "content": prompt
+                }
+            ]
+            
+            # 调用通用API方法
+            return AIService.call_silicon_cloud_api(
+                messages, 
+                model="Pro/deepseek-ai/DeepSeek-R1",
+                max_tokens=512,
+                temperature=0.5
+            )
+                
+        except Exception as e:
+            logger.error(f"生成对话摘要失败: {str(e)}")
+            return None, f"生成对话摘要失败: {str(e)}" 

apps/gmail/migrations/0001_initial.py

@@ -1,6 +1,7 @@
-# Generated by Django 5.2 on 2025-05-12 06:56
+# Generated by Django 5.2 on 2025-05-13 06:43
 
 import django.db.models.deletion
+import django.utils.timezone
 from django.conf import settings
 from django.db import migrations, models
 
@@ -14,6 +15,44 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
+        migrations.CreateModel(
+            name='GmailConversation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('user_email', models.EmailField(help_text='用户Gmail邮箱', max_length=254)),
+                ('influencer_email', models.EmailField(help_text='达人Gmail邮箱', max_length=254)),
+                ('conversation_id', models.CharField(help_text='关联到chat_history的会话ID', max_length=100, unique=True)),
+                ('title', models.CharField(default='Gmail对话', help_text='对话标题', max_length=100)),
+                ('last_sync_time', models.DateTimeField(default=django.utils.timezone.now, help_text='最后同步时间')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('is_active', models.BooleanField(default=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='gmail_conversations', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['-updated_at'],
+                'unique_together': {('user', 'user_email', 'influencer_email')},
+            },
+        ),
+        migrations.CreateModel(
+            name='GmailAttachment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('email_message_id', models.CharField(help_text='Gmail邮件ID', max_length=100)),
+                ('attachment_id', models.CharField(help_text='Gmail附件ID', max_length=100)),
+                ('filename', models.CharField(help_text='原始文件名', max_length=255)),
+                ('file_path', models.CharField(help_text='保存在服务器上的路径', max_length=255)),
+                ('content_type', models.CharField(help_text='MIME类型', max_length=100)),
+                ('size', models.IntegerField(default=0, help_text='文件大小(字节)')),
+                ('sender_email', models.EmailField(help_text='发送者邮箱', max_length=254)),
+                ('chat_message_id', models.CharField(blank=True, help_text='关联到ChatHistory的消息ID', max_length=100, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attachments', to='gmail.gmailconversation')),
+            ],
+            options={
+                'ordering': ['-created_at'],
+            },
+        ),
         migrations.CreateModel(
             name='GmailCredential',
             fields=[

apps/gmail/migrations/0002_gmailconversation_gmailattachment.py

@@ -1,55 +0,0 @@
-# Generated by Django 5.2 on 2025-05-12 08:22
-
-import django.db.models.deletion
-import django.utils.timezone
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('gmail', '0001_initial'),
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='GmailConversation',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('user_email', models.EmailField(help_text='用户Gmail邮箱', max_length=254)),
-                ('influencer_email', models.EmailField(help_text='达人Gmail邮箱', max_length=254)),
-                ('conversation_id', models.CharField(help_text='关联到chat_history的会话ID', max_length=100, unique=True)),
-                ('title', models.CharField(default='Gmail对话', help_text='对话标题', max_length=100)),
-                ('last_sync_time', models.DateTimeField(default=django.utils.timezone.now, help_text='最后同步时间')),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('updated_at', models.DateTimeField(auto_now=True)),
-                ('is_active', models.BooleanField(default=True)),
-                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='gmail_conversations', to=settings.AUTH_USER_MODEL)),
-            ],
-            options={
-                'ordering': ['-updated_at'],
-                'unique_together': {('user', 'user_email', 'influencer_email')},
-            },
-        ),
-        migrations.CreateModel(
-            name='GmailAttachment',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('email_message_id', models.CharField(help_text='Gmail邮件ID', max_length=100)),
-                ('attachment_id', models.CharField(help_text='Gmail附件ID', max_length=100)),
-                ('filename', models.CharField(help_text='原始文件名', max_length=255)),
-                ('file_path', models.CharField(help_text='保存在服务器上的路径', max_length=255)),
-                ('content_type', models.CharField(help_text='MIME类型', max_length=100)),
-                ('size', models.IntegerField(default=0, help_text='文件大小(字节)')),
-                ('sender_email', models.EmailField(help_text='发送者邮箱', max_length=254)),
-                ('chat_message_id', models.CharField(blank=True, help_text='关联到ChatHistory的消息ID', max_length=100, null=True)),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attachments', to='gmail.gmailconversation')),
-            ],
-            options={
-                'ordering': ['-created_at'],
-            },
-        ),
-    ]

apps/gmail/migrations/0002_gmailcredential_last_history_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2 on 2025-05-13 08:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gmail', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='gmailcredential',
+            name='last_history_id',
+            field=models.CharField(blank=True, help_text='Last processed Gmail history ID', max_length=50, null=True),
+        ),
+    ]

apps/gmail/migrations/0003_gmailconversation_metadata.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2 on 2025-05-13 09:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gmail', '0002_gmailcredential_last_history_id'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='gmailconversation',
+            name='metadata',
+            field=models.JSONField(blank=True, default=dict, help_text='存储额外信息，如已处理的消息ID等', null=True),
+        ),
+    ]

apps/gmail/migrations/0004_conversationsummary.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2 on 2025-05-13 10:11
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gmail', '0003_gmailconversation_metadata'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ConversationSummary',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('content', models.TextField(verbose_name='摘要内容')),
+                ('last_message_id', models.CharField(blank=True, max_length=255, null=True, verbose_name='最后处理的消息ID或ChatHistory的ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('conversation', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='summary', to='gmail.gmailconversation')),
+            ],
+            options={
+                'verbose_name': 'Gmail对话摘要',
+                'verbose_name_plural': 'Gmail对话摘要',
+                'db_table': 'gmail_conversation_summaries',
+            },
+        ),
+    ]

apps/gmail/models.py

@@ -3,6 +3,7 @@ from apps.accounts.models import User
 import json
 import os
 from django.utils import timezone
+import uuid
 
 class GmailCredential(models.Model):
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='gmail_credentials')
@@ -12,6 +13,7 @@ class GmailCredential(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
     is_valid = models.BooleanField(default=True, help_text="Whether the credential is valid")
+    last_history_id = models.CharField(max_length=50, blank=True, null=True, help_text="Last processed Gmail history ID")
 
     class Meta:
         unique_together = ('user', 'email')
@@ -53,6 +55,7 @@ class GmailConversation(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
     is_active = models.BooleanField(default=True)
+    metadata = models.JSONField(default=dict, blank=True, null=True, help_text="存储额外信息，如已处理的消息ID等")
     
     def __str__(self):
         return f"{self.user.username}: {self.user_email} - {self.influencer_email}"
@@ -88,3 +91,20 @@ class GmailAttachment(models.Model):
     
     class Meta:
         ordering = ['-created_at']
+
+class ConversationSummary(models.Model):
+    """Gmail对话摘要模型，用于持久化存储对话摘要"""
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    conversation = models.OneToOneField('GmailConversation', on_delete=models.CASCADE, related_name='summary')
+    content = models.TextField(verbose_name='摘要内容')
+    last_message_id = models.CharField(max_length=255, verbose_name='最后处理的消息ID或ChatHistory的ID', null=True, blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+    
+    class Meta:
+        db_table = 'gmail_conversation_summaries'
+        verbose_name = 'Gmail对话摘要'
+        verbose_name_plural = 'Gmail对话摘要'
+        
+    def __str__(self):
+        return f"对话 {self.conversation.id} 摘要"

apps/gmail/services/gmail_service.py

@@ -13,19 +13,20 @@ from googleapiclient.errors import HttpError
 from django.conf import settings
 from django.utils import timezone
 from django.db import transaction
-from ..models import GmailCredential, GmailConversation, GmailAttachment
+from ..models import GmailCredential, GmailConversation, GmailAttachment, ConversationSummary
 from apps.chat.models import ChatHistory
 from apps.knowledge_base.models import KnowledgeBase
 import requests
-from google.cloud import pubsub_v1
 from apps.common.services.notification_service import NotificationService
 import threading
-import time
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from email.mime.application import MIMEApplication
 from email.header import Header
 import mimetypes
+from apps.accounts.models import User
+from apps.common.services.ai_service import AIService
+import traceback
 
 # 配置日志记录器
 logger = logging.getLogger(__name__)
@@ -45,9 +46,9 @@ class GmailService:
     TOKEN_DIR = os.path.join(settings.BASE_DIR, 'gmail_tokens')
     # 附件存储目录
     ATTACHMENT_DIR = os.path.join(settings.BASE_DIR, 'media', 'gmail_attachments')
-    # Gmail 监听 Pub/Sub 主题和订阅
-    PUBSUB_TOPIC = getattr(settings, 'GMAIL_PUBSUB_TOPIC', 'projects/{project_id}/topics/gmail-notifications')
-    PUBSUB_SUBSCRIPTION = getattr(settings, 'GMAIL_PUBSUB_SUBSCRIPTION', 'projects/{project_id}/subscriptions/gmail-notifications-sub')
+    # Gmail 监听 Pub/Sub 主题和订阅（仅后缀）
+    PUBSUB_TOPIC = getattr(settings, 'GMAIL_PUBSUB_TOPIC', 'gmail-notifications')
+    PUBSUB_SUBSCRIPTION = getattr(settings, 'GMAIL_PUBSUB_SUBSCRIPTION', 'gmail-notifications-sub')
 
     @staticmethod
     def initiate_authentication(user, client_secret_json):
@@ -177,15 +178,32 @@ class GmailService:
             Exception: 如果凭证无效或创建服务失败。
         """
         try:
+            logger.info(f"获取Gmail服务实例，用户: {credential.user.username}, 邮箱: {credential.email}")
+            
             # 从数据库凭证中获取 Google API 凭证对象
             credentials = credential.get_credentials()
             
+            # 检查凭证是否需要刷新
+            if credentials.expired:
+                logger.info(f"OAuth凭证已过期，尝试刷新...")
+            
             # 创建 Gmail API 服务，代理通过环境变量自动应用
-            return build('gmail', 'v1', credentials=credentials)
+            service = build('gmail', 'v1', credentials=credentials)
+            logger.info(f"成功创建Gmail服务实例")
+            
+            return service
             
         except Exception as e:
-            # 记录错误并抛出
-            logger.error(f"Error creating Gmail service: {str(e)}")
+            logger.error(f"创建Gmail服务失败: {str(e)}")
+            
+            # 如果是凭证刷新失败，标记凭证为无效
+            if 'invalid_grant' in str(e).lower() or '401' in str(e) or 'token has been expired or revoked' in str(e).lower():
+                logger.error(f"OAuth凭证刷新失败，标记凭证为无效")
+                credential.is_valid = False
+                credential.save()
+            
+            import traceback
+            logger.error(f"错误详情: {traceback.format_exc()}")
             raise
 
     @staticmethod
@@ -581,30 +599,50 @@ class GmailService:
             # 获取Gmail服务
             service = GmailService.get_service(credential)
             
+            # 获取最新的历史ID
+            try:
+                profile = service.users().getProfile(userId='me').execute()
+                latest_history_id = profile.get('historyId')
+                if latest_history_id:
+                    # 保存最新历史ID到凭证
+                    credential.last_history_id = latest_history_id
+                    credential.save()
+                    logger.info(f"已更新{user_email}的历史ID: {latest_history_id}")
+            except Exception as history_error:
+                logger.error(f"获取历史ID失败: {str(history_error)}")
+            
             # 设置Pub/Sub主题和订阅名称
             project_id = getattr(settings, 'GOOGLE_CLOUD_PROJECT_ID', '')
             if not project_id:
                 return False, "未配置Google Cloud项目ID"
             
-            topic = topic_name or GmailService.PUBSUB_TOPIC.format(project_id=project_id)
-            subscription = subscription_name or GmailService.PUBSUB_SUBSCRIPTION.format(project_id=project_id)
+            # 完整的主题格式必须是：projects/{project_id}/topics/{topic_name}
+            # 使用已经在Google Cloud Console中创建的主题：gmail-watch-topic
+            full_topic_name = f'projects/{project_id}/topics/gmail-watch-topic'
+            logger.info(f"使用主题名称: {full_topic_name}")
             
             # 为Gmail账户启用推送通知
             request = {
                 'labelIds': ['INBOX'],
-                'topicName': topic
+                'topicName': full_topic_name
             }
             
             try:
                 # 先停止现有的监听
                 service.users().stop(userId='me').execute()
                 logger.info(f"已停止现有的监听: {user_email}")
-            except:
-                pass
+            except Exception as stop_error:
+                logger.warning(f"停止现有监听失败(可能无监听): {str(stop_error)}")
                 
             # 启动新的监听
-            service.users().watch(userId='me', body=request).execute()
-            logger.info(f"已为 {user_email} 设置Gmail推送通知，主题: {topic}")
+            watch_response = service.users().watch(userId='me', body=request).execute()
+            logger.info(f"已为 {user_email} 设置Gmail推送通知，主题: {full_topic_name}, 响应: {watch_response}")
+            
+            # 如果响应中包含historyId，保存它
+            if 'historyId' in watch_response:
+                credential.last_history_id = watch_response['historyId']
+                credential.save()
+                logger.info(f"已从watch响应更新{user_email}的历史ID: {watch_response['historyId']}")
             
             return True, None
             
@@ -613,113 +651,33 @@ class GmailService:
             return False, f"设置Gmail推送通知失败: {str(e)}"
     
     @staticmethod
-    def start_pubsub_listener(user_id=None):
-        """
-        启动Pub/Sub监听器，监听Gmail新消息通知
-        
-        Args:
-            user_id: 指定要监听的用户ID (可选，如果不指定则监听所有用户)
-            
-        Returns:
-            None
-        """
-        try:
-            project_id = getattr(settings, 'GOOGLE_CLOUD_PROJECT_ID', '')
-            if not project_id:
-                logger.error("未配置Google Cloud项目ID，无法启动Gmail监听")
-                return
-                
-            subscription_name = GmailService.PUBSUB_SUBSCRIPTION.format(project_id=project_id)
-            
-            # 创建订阅者客户端
-            subscriber = pubsub_v1.SubscriberClient()
-            subscription_path = subscriber.subscription_path(project_id, subscription_name.split('/')[-1])
-            
-            def callback(message):
-                """处理接收到的Pub/Sub消息"""
-                try:
-                    # 解析消息数据
-                    data = json.loads(message.data.decode('utf-8'))
-                    logger.info(f"接收到Gmail推送通知: {data}")
-                    
-                    # 确认消息已处理
-                    message.ack()
-                    
-                    # 获取关键信息
-                    email_address = data.get('emailAddress')
-                    history_id = data.get('historyId')
-                    
-                    if not email_address or not history_id:
-                        logger.error("推送通知缺少必要信息")
-                        return
-                        
-                    # 获取用户凭证
-                    query = GmailCredential.objects.filter(email=email_address)
-                    if user_id:
-                        query = query.filter(user_id=user_id)
-                        
-                    credential = query.first()
-                    if not credential:
-                        logger.error(f"未找到匹配的Gmail凭证: {email_address}")
-                        return
-                        
-                    # 处理新收到的邮件
-                    GmailService.process_new_emails(credential.user, credential, history_id)
-                    
-                except Exception as e:
-                    logger.error(f"处理Gmail推送通知失败: {str(e)}")
-                    # 确认消息，避免重复处理
-                    message.ack()
-            
-            # 设置订阅流
-            streaming_pull_future = subscriber.subscribe(subscription_path, callback=callback)
-            logger.info(f"Gmail Pub/Sub监听器已启动: {subscription_path}")
-            
-            # 保持监听状态
-            try:
-                streaming_pull_future.result()
-            except Exception as e:
-                streaming_pull_future.cancel()
-                logger.error(f"Gmail Pub/Sub监听器中断: {str(e)}")
-                
-        except Exception as e:
-            logger.error(f"启动Gmail Pub/Sub监听器失败: {str(e)}")
-    
-    @staticmethod
-    def start_pubsub_listener_thread(user_id=None):
-        """在后台线程中启动Pub/Sub监听器"""
-        t = threading.Thread(target=GmailService.start_pubsub_listener, args=(user_id,))
-        t.daemon = True
-        t.start()
-        return t
-    
-    @staticmethod
-    def process_new_emails(user, credential, history_id):
+    def process_new_emails(user, credential, history_id=None):
         """
         处理新收到的邮件
         
         Args:
             user: 用户对象
             credential: Gmail凭证对象
-            history_id: Gmail历史记录ID
+            history_id: Gmail历史记录ID (可选，如果不提供则使用凭证中的last_history_id)
             
         Returns:
             None
         """
         try:
+            # 如果没有提供history_id，使用凭证中的last_history_id
+            if not history_id and credential.last_history_id:
+                history_id = credential.last_history_id
+                logger.info(f"使用凭证中保存的历史ID: {history_id}")
+                
+            if not history_id:
+                logger.error(f"缺少历史ID，无法处理新邮件")
+                return
+                
+            logger.info(f"开始处理Gmail新邮件，用户: {user.username}, 邮箱: {credential.email}, 历史ID: {history_id}")
+            
             # 获取Gmail服务
             service = GmailService.get_service(credential)
             
-            # 获取历史记录变更
-            history_results = service.users().history().list(
-                userId='me',
-                startHistoryId=history_id,
-                historyTypes=['messageAdded']
-            ).execute()
-            
-            if 'history' not in history_results:
-                return
-                
             # 获取活跃对话
             active_conversations = GmailConversation.objects.filter(
                 user=user,
@@ -732,37 +690,172 @@ class GmailService:
                 logger.info(f"用户 {user.username} 没有活跃的Gmail对话")
                 return
                 
-            # 处理每个历史变更
+            logger.info(f"找到 {len(influencer_emails)} 个活跃的Gmail对话")
+            
+            # 方法1: 通过历史记录获取变更
+            try:
+                logger.info(f"通过历史记录获取变更...")
+                # 获取历史记录变更，包含所有相关变更类型
+                history_results = service.users().history().list(
+                    userId='me',
+                    startHistoryId=history_id,
+                    historyTypes=['messageAdded', 'messageDeleted', 'labelAdded', 'labelRemoved']
+                ).execute()
+                
+                # 保存最新的historyId（如果有）
+                if 'historyId' in history_results:
+                    new_history_id = history_results['historyId']
+                    credential.last_history_id = new_history_id
+                    credential.save()
+                    logger.info(f"已更新最新历史ID: {new_history_id}")
+                
+                # 处理历史记录
+                processed_by_history = False
+                if 'history' in history_results and history_results['history']:
+                    logger.info(f"找到 {len(history_results.get('history', []))} 条历史变更记录")
+                    
+                    # 提取所有消息ID
+                    message_ids = set()
                     for history in history_results.get('history', []):
-                for message_added in history.get('messagesAdded', []):
-                    message_id = message_added.get('message', {}).get('id')
-                    if not message_id:
+                        # 检查不同类型的变更
+                        for messages_key in ['messagesAdded', 'labelAdded', 'labelRemoved']:
+                            for message_item in history.get(messages_key, []):
+                                if 'message' in message_item and 'id' in message_item['message']:
+                                    message_ids.add(message_item['message']['id'])
+                    
+                    if message_ids:
+                        logger.info(f"从历史记录中找到 {len(message_ids)} 个消息ID")
+                        processed_by_history = True
+                        # 处理每个消息
+                        for message_id in message_ids:
+                            GmailService._process_single_message(service, user, credential, message_id, active_conversations, influencer_emails)
+                else:
+                    logger.info(f"未找到历史变更记录")
+                
+                # 方法2: 如果历史记录没有变更，直接查询收件箱最近邮件
+                if not processed_by_history:
+                    logger.info(f"未通过历史记录找到变更，尝试直接查询最近邮件...")
+                    # 查询最近的10封邮件
+                    results = service.users().messages().list(
+                        userId='me',
+                        maxResults=10,
+                        labelIds=['INBOX']
+                    ).execute()
+                    
+                    messages = results.get('messages', [])
+                    if not messages:
+                        logger.info(f"未找到任何收件箱邮件")
+                        return
+                    
+                    logger.info(f"找到 {len(messages)} 封收件箱邮件，检查最近的邮件")
+                    
+                    # 检查所有邮件，不限制处理数量
+                    processed_message_ids = []
+                    saved_count = 0
+                    
+                    # 从conversation的metadata中获取已处理的消息ID
+                    already_processed_ids = set()
+                    for conversation in active_conversations:
+                        if conversation.metadata and 'last_processed_messages' in conversation.metadata:
+                            already_processed_ids.update(conversation.metadata.get('last_processed_messages', []))
+                    
+                    for msg in messages:
+                        message_id = msg['id']
+                        
+                        # 避免重复处理
+                        if message_id in already_processed_ids:
+                            logger.info(f"邮件ID: {message_id} 已处理过，跳过")
                             continue
                             
+                        processed_message_ids.append(message_id)
+                        logger.info(f"处理新发现的邮件ID: {message_id}")
+                        
+                        if GmailService._process_single_message(service, user, credential, message_id, active_conversations, influencer_emails):
+                            saved_count += 1
+                    
+                    # 更新最近处理的消息ID到所有活跃对话
+                    if processed_message_ids:
+                        for conversation in active_conversations:
+                            metadata = conversation.metadata or {}
+                            
+                            # 保留之前处理过的ID，加上新处理的ID
+                            old_ids = metadata.get('last_processed_messages', [])
+                            # 只保留最近的20个ID，避免列表过长
+                            new_ids = (processed_message_ids + old_ids)[:20]
+                            
+                            metadata['last_processed_messages'] = new_ids
+                            conversation.metadata = metadata
+                            conversation.save()
+                        
+                        logger.info(f"更新了 {len(processed_message_ids)} 个新处理的邮件ID，保存了 {saved_count} 封邮件")
+            
+            except HttpError as e:
+                if e.resp.status == 404:
+                    # 历史ID可能无效，尝试获取当前ID并更新
+                    logger.warning(f"历史ID {history_id} 无效，尝试获取当前ID")
+                    try:
+                        profile = service.users().getProfile(userId='me').execute()
+                        new_history_id = profile.get('historyId')
+                        if new_history_id:
+                            credential.last_history_id = new_history_id
+                            credential.save()
+                            logger.info(f"已更新为新的历史ID: {new_history_id}")
+                            # 尝试使用方法2直接获取邮件
+                            logger.info(f"尝试直接获取最近邮件...")
+                            GmailService.process_new_emails(user, credential, new_history_id)
+                    except Exception as profile_error:
+                        logger.error(f"获取新历史ID失败: {str(profile_error)}")
+                else:
+                    logger.error(f"获取历史变更失败: {str(e)}")
+                    
+        except Exception as e:
+            logger.error(f"处理Gmail新消息失败: {str(e)}")
+            # 记录堆栈跟踪以便更好地诊断问题
+            import traceback
+            logger.error(f"错误详情: {traceback.format_exc()}")
+    
+    @staticmethod
+    def _process_single_message(service, user, credential, message_id, active_conversations, influencer_emails):
+        """处理单个邮件消息"""
+        try:
             # 获取完整邮件内容
             message = service.users().messages().get(userId='me', id=message_id).execute()
             email_data = GmailService._parse_email_content(message)
             
             if not email_data:
-                        continue
+                logger.warning(f"无法解析邮件内容: {message_id}")
+                return False
                 
-                    # 检查是否是来自达人的邮件
+            logger.info(f"邮件信息: 发件人={email_data['from_email']}, 收件人={email_data['to_email']}, 主题={email_data['subject']}")
+            
+            saved = False
+            
+            # 场景1: 来自达人的邮件 - 寻找匹配的对话记录
             if email_data['from_email'] in influencer_emails:
+                logger.info(f"找到来自达人 {email_data['from_email']} 的邮件")
+                
                 # 查找相关对话
                 conversation = active_conversations.filter(
                     influencer_email=email_data['from_email']
                 ).first()
                 
                 if conversation:
+                    logger.info(f"找到匹配的对话记录: ID={conversation.id}, 会话ID={conversation.conversation_id}")
+                    
                     # 将新邮件保存到聊天历史
-                            GmailService._save_email_to_chat(
+                    success = GmailService._save_email_to_chat(
                         user,
                         credential,
                         conversation,
                         email_data
                     )
                     
+                    if success:
+                        logger.info(f"成功保存邮件到聊天历史")
+                        saved = True
+                        
                         # 发送通知
+                        try:
                             NotificationService().send_notification(
                                 user=user,
                                 title="收到新邮件",
@@ -770,115 +863,101 @@ class GmailService:
                                 notification_type="gmail",
                                 related_object_id=conversation.conversation_id
                             )
-                            
-                            logger.info(f"已处理来自 {email_data['from_email']} 的新邮件")
-                            
-        except Exception as e:
-            logger.error(f"处理Gmail新消息失败: {str(e)}")
-    
-    @staticmethod
-    def _save_email_to_chat(user, credential, conversation, email_data):
-        """
-        保存一封邮件到聊天历史
-        
-        Args:
-            user: 用户对象
-            credential: Gmail凭证对象
-            conversation: Gmail对话对象
-            email_data: 邮件数据
-            
-        Returns:
-            bool: 成功标志
-        """
-        try:
-            # 查找关联的知识库
-            first_message = ChatHistory.objects.filter(
-                conversation_id=conversation.conversation_id
-            ).first()
-            
-            if not first_message:
-                knowledge_base = KnowledgeBase.objects.filter(user_id=user.id, type='private').first()
-                if not knowledge_base:
-                    logger.error("未找到默认知识库")
-                    return False
+                        except Exception as notif_error:
+                            logger.error(f"发送通知失败: {str(notif_error)}")
                     else:
-                knowledge_base = first_message.knowledge_base
-            
-            # 确定发送者角色 (user 或 assistant)
-            is_from_user = email_data['from_email'].lower() == credential.email.lower()
-            role = 'user' if is_from_user else 'assistant'
-            
-            # 准备内容文本
-            content = f"主题: {email_data['subject']}\n\n{email_data['body']}"
-            
-            # 创建聊天消息
-            chat_message = ChatHistory.objects.create(
+                        logger.error(f"保存邮件到聊天历史失败")
+                else:
+                    # 找不到对话记录，创建新的
+                    logger.info(f"未找到与 {email_data['from_email']} 的对话记录，创建新对话")
+                    try:
+                        conversation_id = f"gmail_{user.id}_{str(uuid.uuid4())[:8]}"
+                        conversation = GmailConversation.objects.create(
                             user=user, 
-                knowledge_base=knowledge_base,
-                conversation_id=conversation.conversation_id,
-                title=conversation.title,
-                role=role,
-                content=content,
-                metadata={
-                    'gmail_message_id': email_data['id'],
-                    'from': email_data['from'],
-                    'to': email_data['to'],
-                    'date': email_data['date'],
-                    'source': 'gmail'
-                }
+                            user_email=credential.email,
+                            influencer_email=email_data['from_email'],
+                            conversation_id=conversation_id,
+                            title=f"与 {email_data['from_email']} 的Gmail对话",
+                            is_active=True
                         )
                         
-            # 更新对话的同步时间
-            conversation.last_sync_time = timezone.now()
-            conversation.save()
-            
-            # 处理附件
-            if email_data['attachments']:
-                for attachment in email_data['attachments']:
-                    if 'attachmentId' in attachment:
-                        # 下载附件
-                        file_path = GmailService.download_attachment(
+                        # 保存邮件到新创建的对话
+                        success = GmailService._save_email_to_chat(
                             user,
                             credential,
-                            email_data['id'],
-                            attachment['attachmentId'],
-                            attachment['filename']
+                            conversation,
+                            email_data
                         )
                         
-                        if file_path:
-                            # 保存附件记录
-                            gmail_attachment = GmailAttachment.objects.create(
-                                conversation=conversation,
-                                email_message_id=email_data['id'],
-                                attachment_id=attachment['attachmentId'],
-                                filename=attachment['filename'],
-                                file_path=file_path,
-                                content_type=attachment['mimeType'],
-                                size=attachment['size'],
-                                sender_email=email_data['from_email'],
-                                chat_message_id=str(chat_message.id)
+                        if success:
+                            logger.info(f"成功保存邮件到新创建的对话")
+                            saved = True
+                    except Exception as create_error:
+                        logger.error(f"创建新对话失败: {str(create_error)}")
+            
+            # 场景2: 发送给达人的邮件 - 寻找匹配的对话记录
+            elif email_data['to_email'] in influencer_emails:
+                logger.info(f"这是发送给达人 {email_data['to_email']} 的邮件")
+                
+                # 查找相关对话
+                conversation = active_conversations.filter(
+                    influencer_email=email_data['to_email']
+                ).first()
+                
+                if conversation:
+                    logger.info(f"找到匹配的对话记录: ID={conversation.id}, 会话ID={conversation.conversation_id}")
+                    
+                    # 将新邮件保存到聊天历史
+                    success = GmailService._save_email_to_chat(
+                        user,
+                        credential,
+                        conversation,
+                        email_data
                     )
                     
-                            # 更新聊天消息，添加附件信息
-                            metadata = chat_message.metadata or {}
-                            if 'attachments' not in metadata:
-                                metadata['attachments'] = []
+                    if success:
+                        logger.info(f"成功保存邮件到聊天历史")
+                        saved = True
+                    else:
+                        logger.error(f"保存邮件到聊天历史失败")
+                else:
+                    # 找不到对话记录，创建新的
+                    logger.info(f"未找到与 {email_data['to_email']} 的对话记录，创建新对话")
+                    try:
+                        conversation_id = f"gmail_{user.id}_{str(uuid.uuid4())[:8]}"
+                        conversation = GmailConversation.objects.create(
+                            user=user, 
+                            user_email=credential.email,
+                            influencer_email=email_data['to_email'],
+                            conversation_id=conversation_id,
+                            title=f"与 {email_data['to_email']} 的Gmail对话",
+                            is_active=True
+                        )
                         
-                            metadata['attachments'].append({
-                                'id': str(gmail_attachment.id),
-                                'filename': attachment['filename'],
-                                'size': attachment['size'],
-                                'mime_type': attachment['mimeType'],
-                                'url': gmail_attachment.get_absolute_url()
-                            })
+                        # 保存邮件到新创建的对话
+                        success = GmailService._save_email_to_chat(
+                            user,
+                            credential,
+                            conversation,
+                            email_data
+                        )
                         
-                            chat_message.metadata = metadata
-                            chat_message.save()
+                        if success:
+                            logger.info(f"成功保存邮件到新创建的对话")
+                            saved = True
+                    except Exception as create_error:
+                        logger.error(f"创建新对话失败: {str(create_error)}")
             
-            return True
+            # 场景3: 其他邮件 - 不保存非达人相关邮件
+            else:
+                logger.info(f"邮件 {email_data['from_email']} → {email_data['to_email']} 与跟踪的达人对话无关，不保存")
+            
+            return saved
             
         except Exception as e:
-            logger.error(f"保存Gmail新邮件到聊天记录失败: {str(e)}")
+            logger.error(f"处理邮件 {message_id} 时出错: {str(e)}")
+            import traceback
+            logger.error(f"错误详情: {traceback.format_exc()}")
             return False
 
     @staticmethod
@@ -1080,5 +1159,197 @@ class GmailService:
             logger.error(f"发送Gmail邮件失败: {str(e)}")
             return False, f"发送Gmail邮件失败: {str(e)}"
 
+    @staticmethod
+    def _save_email_to_chat(user, credential, conversation, email_data):
+        """
+        保存一封邮件到聊天历史
+        
+        Args:
+            user: 用户对象
+            credential: Gmail凭证对象
+            conversation: Gmail对话对象
+            email_data: 邮件数据
+            
+        Returns:
+            bool: 成功标志
+        """
+        try:
+            # 查找关联的知识库
+            first_message = ChatHistory.objects.filter(
+                conversation_id=conversation.conversation_id
+            ).first()
+            
+            if not first_message:
+                knowledge_base = KnowledgeBase.objects.filter(user_id=user.id, type='private').first()
+                if not knowledge_base:
+                    logger.error("未找到默认知识库")
+                    return False
+            else:
+                knowledge_base = first_message.knowledge_base
+            
+            # 确定发送者角色 (user 或 assistant)
+            is_from_user = email_data['from_email'].lower() == credential.email.lower()
+            role = 'user' if is_from_user else 'assistant'
+            
+            # 准备内容文本
+            content = f"主题: {email_data['subject']}\n\n{email_data['body']}"
+            
+            # 创建聊天消息
+            chat_message = ChatHistory.objects.create(
+                user=user,
+                knowledge_base=knowledge_base,
+                conversation_id=conversation.conversation_id,
+                title=conversation.title,
+                role=role,
+                content=content,
+                metadata={
+                    'gmail_message_id': email_data['id'],
+                    'from': email_data['from'],
+                    'to': email_data['to'],
+                    'date': email_data['date'],
+                    'source': 'gmail'
+                }
+            )
+            
+            # 更新对话的同步时间
+            conversation.last_sync_time = timezone.now()
+            conversation.save()
+            
+            # 处理附件
+            if email_data['attachments']:
+                for attachment in email_data['attachments']:
+                    if 'attachmentId' in attachment:
+                        # 下载附件
+                        file_path = GmailService.download_attachment(
+                            user,
+                            credential,
+                            email_data['id'],
+                            attachment['attachmentId'],
+                            attachment['filename']
+                        )
+                        
+                        if file_path:
+                            # 保存附件记录
+                            gmail_attachment = GmailAttachment.objects.create(
+                                conversation=conversation,
+                                email_message_id=email_data['id'],
+                                attachment_id=attachment['attachmentId'],
+                                filename=attachment['filename'],
+                                file_path=file_path,
+                                content_type=attachment['mimeType'],
+                                size=attachment['size'],
+                                sender_email=email_data['from_email'],
+                                chat_message_id=str(chat_message.id)
+                            )
+                            
+                            # 更新聊天消息，添加附件信息
+                            metadata = chat_message.metadata or {}
+                            if 'attachments' not in metadata:
+                                metadata['attachments'] = []
+                                
+                            metadata['attachments'].append({
+                                'id': str(gmail_attachment.id),
+                                'filename': attachment['filename'],
+                                'size': attachment['size'],
+                                'mime_type': attachment['mimeType'],
+                                'url': gmail_attachment.get_absolute_url()
+                            })
+                            
+                            chat_message.metadata = metadata
+                            chat_message.save()
+            
+            return True
+            
+        except Exception as e:
+            logger.error(f"保存Gmail新邮件到聊天记录失败: {str(e)}")
+            return False
+
+    @staticmethod
+    def get_conversation_summary(user, conversation_id):
+        """
+        获取Gmail对话摘要
+        
+        Args:
+            user (User): 用户对象
+            conversation_id (str): 对话ID
+            
+        Returns:
+            tuple: (摘要内容, 错误信息)
+        """
+        try:
+            # 查询对话
+            try:
+                conversation = GmailConversation.objects.get(conversation_id=conversation_id)
+            except GmailConversation.DoesNotExist:
+                return None, "对话不存在"
+            
+            # 检查访问权限
+            if str(conversation.user.id) != str(user.id):
+                return None, "无权访问此对话"
+            
+            # 获取最新的聊天历史ID
+            latest_chat = ChatHistory.objects.filter(
+                conversation_id=conversation_id
+            ).order_by('-created_at').first()
+            
+            if not latest_chat:
+                return None, "对话中没有消息记录"
+            
+            # 检查摘要是否已存在且是最新的
+            try:
+                summary = ConversationSummary.objects.get(conversation=conversation)
+                # 如果摘要存在且已包含最新消息，直接返回
+                if summary.last_message_id == str(latest_chat.id):
+                    return summary.content, None
+                
+            except ConversationSummary.DoesNotExist:
+                # 如果摘要不存在，则创建
+                summary = None
+            
+            # 获取对话历史
+            chat_history = ChatHistory.objects.filter(
+                conversation_id=conversation_id
+            ).order_by('created_at')
+            
+            if not chat_history:
+                return None, "对话中没有消息记录"
+            
+            # 构造对话历史记录列表
+            conversation_history = []
+            for chat in chat_history:
+                conversation_history.append({
+                    'content': chat.content,
+                    'is_from_user': chat.role == 'user',
+                    'timestamp': chat.created_at.isoformat()
+                })
+            
+            # 使用AI服务生成摘要
+            summary_content, error = AIService.generate_conversation_summary(conversation_history)
+            
+            if error:
+                return None, f"生成摘要失败: {error}"
+            
+            # 持久化保存摘要
+            if summary:
+                # 更新现有摘要
+                summary.content = summary_content
+                summary.last_message_id = str(latest_chat.id)
+                summary.save()
+            else:
+                # 创建新摘要
+                summary = ConversationSummary.objects.create(
+                    conversation=conversation,
+                    content=summary_content,
+                    last_message_id=str(latest_chat.id)
+                )
+            
+            return summary_content, None
+            
+        except Exception as e:
+            error_msg = f"获取对话摘要失败: {str(e)}"
+            logger.error(error_msg)
+            logger.error(traceback.format_exc())
+            return None, error_msg
+
 
         

apps/gmail/urls.py

@@ -7,8 +7,9 @@ from .views import (
     GmailConversationView,
     GmailAttachmentListView,
     GmailPubSubView,
-    GmailNotificationStartView,
-    GmailSendEmailView
+    GmailSendEmailView,
+    GmailWebhookView,
+    GmailConversationSummaryView
 )
 
 app_name = 'gmail'
@@ -22,6 +23,8 @@ urlpatterns = [
     path('attachments/', GmailAttachmentListView.as_view(), name='attachment_list'),
     path('attachments/<str:conversation_id>/', GmailAttachmentListView.as_view(), name='attachment_list_by_conversation'),
     path('notifications/setup/', GmailPubSubView.as_view(), name='pubsub_setup'),
-    path('notifications/start/', GmailNotificationStartView.as_view(), name='notification_start'),
     path('send/', GmailSendEmailView.as_view(), name='send_email'),
+    path('webhook/', GmailWebhookView.as_view(), name='webhook'),
+    path('conversations/summary/', GmailConversationSummaryView.as_view(), name='conversation_summary_list'),
+    path('conversations/summary/<str:conversation_id>/', GmailConversationSummaryView.as_view(), name='conversation_summary_detail'),
 ]

apps/gmail/views.py

@@ -11,6 +11,9 @@ import os
 from django.conf import settings
 from django.core.files.storage import default_storage
 from django.core.files.base import ContentFile
+import json
+import base64
+import threading
 
 # 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
 logger = logging.getLogger(__name__)
@@ -45,14 +48,26 @@ class GmailAuthInitiateView(APIView):
                 # 调用 GmailService 生成授权 URL
                 auth_url = GmailService.initiate_authentication(request.user, client_secret_json)
                 logger.info(f"Generated auth URL for user {request.user.id}")
-                return Response({'auth_url': auth_url}, status=status.HTTP_200_OK)
+                return Response({
+                    'code': 200,
+                    'message': '成功生成授权URL',
+                    'data': {'auth_url': auth_url}
+                }, status=status.HTTP_200_OK)
             except Exception as e:
                 # 记录错误并返回服务器错误响应
                 logger.error(f"Error initiating authentication for user {request.user.id}: {str(e)}")
-                return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+                return Response({
+                    'code': 500,
+                    'message': f'认证初始化错误：{str(e)}',
+                    'data': None
+                }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
         # 记录无效请求数据并返回错误响应
         logger.warning(f"Invalid request data: {serializer.errors}")
-        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        return Response({
+            'code': 400,
+            'message': '请求数据无效',
+            'data': serializer.errors
+        }, status=status.HTTP_400_BAD_REQUEST)
 
 
 class GmailAuthCompleteView(APIView):
@@ -88,14 +103,26 @@ class GmailAuthCompleteView(APIView):
                 # 序列化凭证数据以返回
                 serializer = GmailCredentialSerializer(credential, context={'request': request})
                 logger.info(f"Authentication completed for user {request.user.id}, email: {credential.email}")
-                return Response(serializer.data, status=status.HTTP_201_CREATED)
+                return Response({
+                    'code': 201,
+                    'message': '认证完成并成功保存凭证',
+                    'data': serializer.data
+                }, status=status.HTTP_201_CREATED)
             except Exception as e:
                 # 记录错误并返回服务器错误响应
                 logger.error(f"Error completing authentication for user {request.user.id}: {str(e)}")
-                return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+                return Response({
+                    'code': 500,
+                    'message': f'完成认证时发生错误：{str(e)}',
+                    'data': None
+                }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
         # 记录无效请求数据并返回错误响应
         logger.warning(f"Invalid request data: {serializer.errors}")
-        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        return Response({
+            'code': 400,
+            'message': '请求数据无效',
+            'data': serializer.errors
+        }, status=status.HTTP_400_BAD_REQUEST)
 
 
 class GmailCredentialListView(APIView):
@@ -121,7 +148,11 @@ class GmailCredentialListView(APIView):
         credentials = request.user.gmail_credentials.all()
         # 序列化凭证数据
         serializer = GmailCredentialSerializer(credentials, many=True, context={'request': request})
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response({
+            'code': 200,
+            'message': '成功获取凭证列表',
+            'data': serializer.data
+        }, status=status.HTTP_200_OK)
 
 
 class GmailCredentialDetailView(APIView):
@@ -148,7 +179,11 @@ class GmailCredentialDetailView(APIView):
         # 获取用户拥有的指定凭证，未找到则返回 404
         credential = get_object_or_404(GmailCredential, pk=pk, user=request.user)
         serializer = GmailCredentialSerializer(credential, context={'request': request})
-        return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response({
+            'code': 200,
+            'message': '成功获取凭证详情',
+            'data': serializer.data
+        }, status=status.HTTP_200_OK)
 
     def patch(self, request, pk):
         """
@@ -174,9 +209,17 @@ class GmailCredentialDetailView(APIView):
             if serializer.validated_data.get('is_default', False):
                 GmailCredential.objects.filter(user=request.user).exclude(id=credential.id).update(is_default=False)
             serializer.save()
-            return Response(serializer.data, status=status.HTTP_200_OK)
+            return Response({
+                'code': 200,
+                'message': '成功更新凭证',
+                'data': serializer.data
+            }, status=status.HTTP_200_OK)
         # 返回无效数据错误
-        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        return Response({
+            'code': 400,
+            'message': '请求数据无效',
+            'data': serializer.errors
+        }, status=status.HTTP_400_BAD_REQUEST)
 
     def delete(self, request, pk):
         """
@@ -196,7 +239,12 @@ class GmailCredentialDetailView(APIView):
         # 获取并删除用户拥有的指定凭证
         credential = get_object_or_404(GmailCredential, pk=pk, user=request.user)
         credential.delete()
-        return Response(status=status.HTTP_204_NO_CONTENT)
+        return Response({
+            'code': 204,
+            'message': '凭证已成功删除',
+            'data': None
+        }, status=status.HTTP_204_NO_CONTENT)
+
 
 class GmailConversationView(APIView):
     """
@@ -301,6 +349,7 @@ class GmailConversationView(APIView):
                 'data': None
             }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
+
 class GmailAttachmentListView(APIView):
     """
     API视图，用于获取Gmail附件列表。
@@ -376,24 +425,44 @@ class GmailPubSubView(APIView):
             email = request.data.get('email')
             
             if not email:
-                return Response({'error': '必须提供Gmail邮箱地址'}, status=status.HTTP_400_BAD_REQUEST)
+                return Response({
+                    'code': 400,
+                    'message': '必须提供Gmail邮箱地址',
+                    'data': None
+                }, status=status.HTTP_400_BAD_REQUEST)
                 
             # 检查用户是否有此Gmail账户的凭证
             credential = GmailCredential.objects.filter(user=request.user, email=email).first()
             if not credential:
-                return Response({'error': f'未找到{email}的授权信息'}, status=status.HTTP_404_NOT_FOUND)
+                return Response({
+                    'code': 404,
+                    'message': f'未找到{email}的授权信息',
+                    'data': None
+                }, status=status.HTTP_404_NOT_FOUND)
                 
             # 设置Pub/Sub通知
             success, error = GmailService.setup_gmail_push_notification(request.user, email)
             
             if success:
-                return Response({'message': f'已成功为{email}设置实时通知'}, status=status.HTTP_200_OK)
+                return Response({
+                    'code': 200,
+                    'message': f'已成功为{email}设置实时通知',
+                    'data': None
+                }, status=status.HTTP_200_OK)
             else:
-                return Response({'error': error}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+                return Response({
+                    'code': 500,
+                    'message': error,
+                    'data': None
+                }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
                 
         except Exception as e:
             logger.error(f"设置Gmail Pub/Sub通知失败: {str(e)}")
-            return Response({'error': f'设置Gmail实时通知失败: {str(e)}'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+            return Response({
+                'code': 500,
+                'message': f'设置Gmail实时通知失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
             
     def get(self, request):
         """
@@ -422,41 +491,12 @@ class GmailPubSubView(APIView):
                 'is_default': cred.is_default
             })
             
-        return Response({'accounts': accounts}, status=status.HTTP_200_OK)
+        return Response({
+            'code': 200,
+            'message': '获取账户列表成功',
+            'data': {'accounts': accounts}
+        }, status=status.HTTP_200_OK)
 
-class GmailNotificationStartView(APIView):
-    """
-    API视图，用于启动Gmail Pub/Sub监听器。
-    通常由系统管理员或后台任务调用，而非普通用户。
-    """
-    permission_classes = [IsAuthenticated]  # 可根据需要更改为更严格的权限
-    
-    def post(self, request):
-        """
-        处理POST请求，启动Gmail Pub/Sub监听器。
-        
-        Args:
-            request: Django REST Framework请求对象。
-            
-        Returns:
-            Response: 启动结果的JSON响应。
-            
-        Status Codes:
-            200: 成功启动监听器。
-            500: 服务器内部错误。
-        """
-        try:
-            # 可选：指定要监听的用户ID
-            user_id = request.data.get('user_id')
-            
-            # 在后台线程中启动监听器
-            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):
     """
@@ -498,7 +538,9 @@ class GmailSendEmailView(APIView):
             # 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'
+                    'code': 400,
+                    'message': '缺少必要参数，请提供email、to和subject字段',
+                    'data': None
                 }, status=status.HTTP_400_BAD_REQUEST)
             
             # 检查是否有此Gmail账户的凭证
@@ -510,7 +552,9 @@ class GmailSendEmailView(APIView):
             
             if not credential:
                 return Response({
-                    'error': f'未找到{user_email}的有效授权信息'
+                    'code': 404,
+                    'message': f'未找到{user_email}的有效授权信息',
+                    'data': None
                 }, status=status.HTTP_404_NOT_FOUND)
             
             # 处理附件
@@ -556,18 +600,23 @@ class GmailSendEmailView(APIView):
             
             if success:
                 return Response({
+                    'code': 200,
                     'message': '邮件发送成功',
-                    'message_id': result
+                    'data': {'message_id': result}
                 }, status=status.HTTP_200_OK)
             else:
                 return Response({
-                    'error': result
+                    'code': 500,
+                    'message': result,
+                    'data': None
                 }, 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)}'
+                'code': 500,
+                'message': f'发送Gmail邮件失败: {str(e)}',
+                'data': None
             }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
     
     def get(self, request):
@@ -595,4 +644,177 @@ class GmailSendEmailView(APIView):
                 'is_default': cred.is_default
             })
             
-        return Response({'accounts': accounts}, status=status.HTTP_200_OK)
+        return Response({
+            'code': 200,
+            'message': '获取账户列表成功',
+            'data': {'accounts': accounts}
+        }, status=status.HTTP_200_OK)
+
+
+class GmailWebhookView(APIView):
+    """
+    API视图，用于接收Gmail Pub/Sub推送通知。
+    这个端点不需要认证，因为它由Google的Pub/Sub服务调用。
+    """
+    permission_classes = []  # 不需要认证
+
+    def post(self, request):
+        """
+        处理POST请求，接收Gmail Pub/Sub推送通知。
+        
+        Args:
+            request: Django REST Framework请求对象，包含Pub/Sub消息。
+            
+        Returns:
+            Response: 接收结果的JSON响应。
+        """
+        try:
+            logger.info(f"收到Gmail推送通知: {request.data}")
+            
+            # 解析推送消息
+            message = request.data.get('message', {})
+            data = message.get('data', '')
+            
+            if not data:
+                return Response({
+                    'code': 400,
+                    'message': '无效的推送消息格式',
+                    'data': None
+                }, status=status.HTTP_400_BAD_REQUEST)
+            
+            # Base64解码消息数据
+            try:
+                decoded_data = json.loads(base64.b64decode(data).decode('utf-8'))
+                logger.info(f"解码后的推送数据: {decoded_data}")
+                
+                # 处理Gmail通知
+                email_address = decoded_data.get('emailAddress')
+                history_id = decoded_data.get('historyId')
+                
+                if not email_address:
+                    return Response({
+                        'code': 400,
+                        'message': '推送数据缺少邮箱地址',
+                        'data': None
+                    }, status=status.HTTP_400_BAD_REQUEST)
+                
+                # 查找对应的Gmail凭证
+                credential = GmailCredential.objects.filter(email=email_address, is_valid=True).first()
+                if credential:
+                    # 即使没有history_id，也尝试处理，因为我们现在有了备用机制
+                    if not history_id:
+                        logger.warning(f"推送通知中没有historyId，将使用凭证中保存的历史ID")
+                    
+                    # 启动后台任务处理新邮件
+                    thread = threading.Thread(
+                        target=GmailService.process_new_emails,
+                        args=(credential.user, credential, history_id)
+                    )
+                    thread.daemon = True
+                    thread.start()
+                else:
+                    logger.warning(f"收到推送通知，但未找到对应的Gmail凭证: {email_address}")
+                
+                # 确认接收
+                return Response({
+                    'code': 200,
+                    'message': '成功接收推送通知',
+                    'data': None
+                })
+                
+            except Exception as e:
+                logger.error(f"解析推送数据失败: {str(e)}")
+                return Response({
+                    'code': 400,
+                    'message': f'解析推送数据失败: {str(e)}',
+                    'data': None
+                }, status=status.HTTP_400_BAD_REQUEST)
+                
+        except Exception as e:
+            logger.error(f"处理Gmail推送通知失败: {str(e)}")
+            return Response({
+                'code': 500,
+                'message': f'处理Gmail推送通知失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+class GmailConversationSummaryView(APIView):
+    """
+    API视图，用于获取Gmail对话的总结。
+    """
+    permission_classes = [IsAuthenticated]  # 限制访问，仅允许已认证用户
+    
+    def get(self, request, conversation_id=None):
+        """
+        处理GET请求，获取指定Gmail对话的总结。
+        
+        Args:
+            request: Django REST Framework请求对象。
+            conversation_id: 对话ID。如果不提供，则返回所有对话的摘要列表。
+            
+        Returns:
+            Response: 包含对话总结的JSON响应。
+            
+        Status Codes:
+            200: 成功获取对话总结。
+            400: 请求参数无效。
+            404: 未找到指定对话。
+            500: 服务器内部错误。
+        """
+        try:
+            # 如果提供了conversation_id，获取单个对话总结
+            if conversation_id:
+                # 获取对话总结
+                summary, error = GmailService.get_conversation_summary(request.user, conversation_id)
+                
+                if error:
+                    return Response({
+                        'code': 400,
+                        'message': error,
+                        'data': None
+                    }, status=status.HTTP_400_BAD_REQUEST)
+                
+                return Response({
+                    'code': 200,
+                    'message': '成功获取对话总结',
+                    'data': {
+                        'conversation_id': conversation_id,
+                        'summary': summary
+                    }
+                })
+            
+            # 否则，获取所有对话的摘要列表
+            conversations = GmailConversation.objects.filter(user=request.user, is_active=True)
+            
+            results = []
+            for conversation in conversations:
+                # 检查是否已经有缓存的总结
+                has_summary = (conversation.metadata and 
+                              'summary' in conversation.metadata and 
+                              'summary_updated_at' in conversation.metadata)
+                
+                results.append({
+                    'id': str(conversation.id),
+                    'conversation_id': conversation.conversation_id,
+                    'user_email': conversation.user_email,
+                    'influencer_email': conversation.influencer_email,
+                    'title': conversation.title,
+                    'has_summary': has_summary,
+                    'last_sync_time': conversation.last_sync_time.strftime('%Y-%m-%d %H:%M:%S'),
+                })
+            
+            return Response({
+                'code': 200,
+                'message': '成功获取对话总结列表',
+                'data': results
+            })
+            
+        except Exception as e:
+            logger.error(f"获取Gmail对话总结失败: {str(e)}")
+            return Response({
+                'code': 500,
+                'message': f'获取Gmail对话总结失败: {str(e)}',
+                'data': None
+            }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+

daren_project/settings.py

@@ -12,6 +12,7 @@ https://docs.djangoproject.com/en/5.2/ref/settings/
 
 from pathlib import Path
 import pymysql
+import os
 pymysql.install_as_MySQLdb()
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -27,7 +28,7 @@ SECRET_KEY = 'django-insecure-aie+z75u&tnnx8@g!2ie+q)qhq1!eg&ob!c1(e1vr!eclh+xv6
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['localhost', '127.0.0.1', '02bf-180-159-100-165.ngrok-free.app']
 
 
 # Application definition
@@ -175,7 +176,7 @@ AUTH_USER_MODEL = 'accounts.User'
 
 API_BASE_URL = 'http://81.69.223.133:48329'
 SILICON_CLOUD_API_KEY = 'sk-xqbujijjqqmlmlvkhvxeogqjtzslnhdtqxqgiyuhwpoqcjvf'
-GMAIL_WEBHOOK_URL = 'https://27b3-180-159-100-165.ngrok-free.app/api/user/gmail/webhook/'
+GMAIL_WEBHOOK_URL = 'https://02bf-180-159-100-165.ngrok-free.app/api/gmail/webhook/'
 APPLICATION_ID = 'd5d11efa-ea9a-11ef-9933-0242ac120006'
 
 
@@ -187,9 +188,10 @@ PROXY_URL = 'http://127.0.0.1:7890'
 
 
 # Gmail Pub/Sub相关设置
-GOOGLE_CLOUD_PROJECT_ID = 'your-project-id'  # 替换为您的Google Cloud项目ID
-GMAIL_PUBSUB_TOPIC = 'projects/{project_id}/topics/gmail-notifications'
-GMAIL_PUBSUB_SUBSCRIPTION = 'projects/{project_id}/subscriptions/gmail-notifications-sub'
+GOOGLE_CLOUD_PROJECT_ID = 'knowledge-454905'  # 替换为您的Google Cloud项目ID
+# 主题名称
+GMAIL_PUBSUB_TOPIC = 'gmail-watch-topic'
 
 # 设置允许使用Google Pub/Sub的应用列表
 INSTALLED_APPS += ['google.cloud.pubsub']
+