400 lines
15 KiB
Python
400 lines
15 KiB
Python
from fastapi import APIRouter, Request, HTTPException, Depends, Path
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import func, select
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import httpx
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import asyncio
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from typing import Dict, Any, Optional
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from app.database import get_db, CallbackLog, ExternalApiLog, CallbackData
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from app.models import CallbackRequest, CallbackResponse
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from app.redis_lock import redis_manager
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from app.config import settings
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from app.logger import get_logger
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logger = get_logger("routes")
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router = APIRouter()
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async def log_callback_request(
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db: AsyncSession,
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request: Request,
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site_id: str
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) -> Optional[int]:
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"""记录回调请求到数据库，返回记录ID"""
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import json
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# 获取客户端IP地址
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client_ip = request.client.host if request.client else None
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client_port = request.client.port if request.client else None
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# 获取服务器IP地址
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server_ip = None
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server_port = None
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if hasattr(request, 'scope') and 'server' in request.scope:
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server_host, server_port_info = request.scope['server']
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server_ip = server_host
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server_port = server_port_info
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# 准备请求头信息（直接记录原始请求头）
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request_headers = dict(request.headers)
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# 获取原始请求体
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import json as json_module
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try:
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# 获取原始请求体字节并解码为字符串
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body_bytes = await request.body()
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body_str = body_bytes.decode('utf-8')
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# 尝试解析为JSON对象，如果失败则使用原始字符串
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try:
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request_body = json_module.loads(body_str)
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except json_module.JSONDecodeError:
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request_body = body_str
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except Exception as e:
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logger.warning(f"⚠️ 读取请求体失败: {e}")
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request_body = "Unable to read request body"
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# 记录请求URL（JSON格式）
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logger.info(f"🌐 请求URL: {request.url}")
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# 记录site_id（JSON格式）
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logger.info(f"📝 site_id: {site_id}")
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# 记录server_ip（JSON格式）
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server_info = {
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"ip": server_ip,
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"port": server_port
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}
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logger.info(f"🏠 server_ip: {server_info}")
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# 记录client_ip（JSON格式）
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client_info = {
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"ip": client_ip,
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"port": client_port
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}
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logger.info(f"🖥️ client_ip: {client_info}")
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# 记录请求头（JSON格式）
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logger.info(f"📋 请求头: {json.dumps(request_headers, ensure_ascii=False, indent=2)}")
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# 记录请求体（JSON格式）
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logger.info(f"📄 请求体: {json.dumps(request_body, ensure_ascii=False, indent=2)}")
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try:
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# 保存到数据库
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callback_log = CallbackLog(
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site_id=site_id,
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remote_address=f"{client_ip}:{client_port}" if client_ip and client_port else client_ip,
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server_ip=f"{server_ip}:{server_port}" if server_ip and server_port else server_ip,
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request_url=str(request.url),
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request_headers=request_headers, # 保存原始请求头
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request_body=request_body # 保存从request.body获取的原始请求体
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)
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db.add(callback_log)
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await db.commit()
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logger.info(f"✅ 回调请求记录成功保存到数据库，ID: {callback_log.id}")
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# 返回记录ID
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return callback_log.id
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except Exception as e:
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logger.error(f"❌ 保存回调请求到数据库失败: {e}", exc_info=True)
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# 不重新抛出异常，避免影响主业务流程
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return None
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async def check_phone_number_threshold(
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db: AsyncSession,
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phone_number: str
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) -> tuple[bool, bool]:
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"""
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检查手机号在数据库中的出现次数是否超过阈值
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Args:
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db: 数据库会话
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phone_number: 要检查的手机号
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Returns:
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tuple[是否超过阈值, 是否查询失败]
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"""
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try:
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# 查询手机号在数据库中出现的次数
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count_query = select(func.count(CallbackData.id)).where(
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CallbackData.phone_number == phone_number
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)
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result = await db.execute(count_query)
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phone_count = result.scalar() or 0
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logger.info(f"📊 手机号 {phone_number} 在数据库中出现次数: {phone_count}")
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# 判断是否超过阈值
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exceeds_threshold = phone_count >= settings.count_threshold
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if exceeds_threshold:
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logger.info(f"✅ 手机号 {phone_number} 出现次数 {phone_count} >= {settings.count_threshold}，超过阈值")
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return exceeds_threshold, False
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except Exception as e:
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logger.error(f"❌ 查询手机号 {phone_number} 失败: {e}", exc_info=True)
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# 查询失败时返回False，不影响主流程
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return False, True
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async def save_callback_data_items(
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db: AsyncSession,
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callback_data_items: list
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):
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"""保存callback_data.data中的数据到数据库"""
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try:
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callback_data_records = []
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for item in callback_data_items:
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if not hasattr(item, 'number_data') or not item.number_data:
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continue
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if not hasattr(item.number_data, 'number') or not item.number_data.number:
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continue
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callback_data_record = CallbackData(
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phone_number=item.number_data.number,
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task_id=item.task.id,
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status=item.status,
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status_description=item.status_str
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)
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callback_data_records.append(callback_data_record)
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if len(callback_data_records) > 0:
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db.add_all(callback_data_records)
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await db.commit()
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logger.info(f"✅ 成功保存 {len(callback_data_records)} 条callback_data记录到数据库")
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except Exception as e:
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logger.error(f"❌ 保存callback_data到数据库失败: {e}", exc_info=True)
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# 不重新抛出异常，避免影响主业务流程
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async def log_external_api_request(
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db: AsyncSession,
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callback_logs_id: int,
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request_url: str,
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request_headers: Dict[str, Any],
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request_body: Dict[str, Any],
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response_status: Optional[int],
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response_headers: Optional[Dict[str, Any]],
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response_body: Optional[str],
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retry_count: int = 0
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):
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"""记录外部API请求到数据库"""
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external_api_log = ExternalApiLog(
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callback_logs_id=callback_logs_id,
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request_url=request_url,
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request_headers=request_headers,
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request_body=request_body,
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response_status=response_status,
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response_headers=response_headers,
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response_body=response_body,
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retry_count=retry_count
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)
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db.add(external_api_log)
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await db.commit()
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async def call_external_api_with_retry(
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db: AsyncSession,
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request_body: Dict[str, Any],
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max_retries: int = None,
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callback_logs_id: int = None
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) -> tuple[bool, int]:
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"""
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调用外部API并支持重试机制
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Args:
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db: 数据库会话
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request_body: 请求体
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max_retries: 最大重试次数
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Returns:
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tuple[是否成功, 实际重试次数]
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"""
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if max_retries is None:
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max_retries = settings.external_api_retry_max
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logger.info(f"🌐 开始调用外部API: {settings.external_api_url}, 最大重试次数: {max_retries}")
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headers = {
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"Content-Type": "application/json",
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"User-Agent": "AITalkCallbackService/1.0"
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}
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for attempt in range(1, max_retries+1):
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try:
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logger.debug(f"📤 第{attempt + 1}次尝试调用外部API")
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async with httpx.AsyncClient(timeout=30.0) as client:
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response = await client.post(
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settings.external_api_url,
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headers=headers,
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json=request_body
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)
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logger.debug(f"📥 外部API响应: status={response.status_code}")
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# 记录每次尝试的结果
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await log_external_api_request(
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db=db,
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callback_logs_id=callback_logs_id,
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request_url=settings.external_api_url,
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request_headers=headers,
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request_body=request_body,
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response_status=response.status_code,
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response_headers=dict(response.headers),
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response_body=response.text,
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retry_count=attempt
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)
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# 检查响应状态
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if response.status_code < 400:
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logger.info(f"✅ 外部API调用成功，状态码: {response.status_code}")
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return True, attempt
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else:
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logger.warning(f"⚠️ 外部API返回错误状态码: {response.status_code}")
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# 如果是最后一次尝试，直接返回失败
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if attempt == max_retries:
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logger.error(f"❌ 外部API调用最终失败，状态码: {response.status_code}")
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return False, attempt
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# 否则等待一段时间后重试
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wait_time = 1 * (attempt + 1) # 递增延迟
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logger.info(f"⏳ 等待 {wait_time}秒 后重试...")
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await asyncio.sleep(wait_time)
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except httpx.RequestError as e:
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logger.warning(f"⚠️ 外部API网络错误 (第{attempt + 1}次尝试): {e}")
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# 记录网络错误
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await log_external_api_request(
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db=db,
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callback_logs_id=callback_logs_id,
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request_url=settings.external_api_url,
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request_headers=headers,
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request_body=request_body,
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response_status=None,
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response_headers=None,
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response_body=f"RequestError: {str(e)}",
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retry_count=attempt
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)
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# 如果是最后一次尝试，直接返回失败
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if attempt == max_retries:
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logger.error(f"❌ 外部API调用最终失败: {e}")
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return False, attempt
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# 否则等待一段时间后重试
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wait_time = 1 * (attempt + 1) # 递增延迟
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logger.info(f"⏳ 等待 {wait_time}秒 后重试...")
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await asyncio.sleep(wait_time)
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return False, max_retries
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@router.post("/ai-talk/callback/{siteId}/failure", response_model=CallbackResponse)
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async def ai_talk_callback(
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callback_data: CallbackRequest,
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request: Request,
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siteId: str = Path(..., description="站点ID"),
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db: AsyncSession = Depends(get_db)
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):
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"""
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AI Talk回调接口处理
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"""
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try:
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# 参数校验
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if not callback_data:
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logger.error("❌ callback_data 参数为空")
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raise HTTPException(status_code=400, detail="callback_data 参数不能为空")
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if not isinstance(callback_data.data, list):
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logger.error(f"❌ data 参数类型无效: {type(callback_data.data)}")
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raise HTTPException(status_code=400, detail="data 参数必须是数组")
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# 记录回调请求（包含siteId）
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callback_log_id = await log_callback_request(db, request, siteId)
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# 使用分布式锁防止并发调用，使用callback_log_id作为唯一值
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async with redis_manager.create_lock(f"ai_talk_callback_{callback_log_id}"):
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logger.debug(f"🔒 获取Redis锁成功: ai_talk_callback_{callback_log_id}")
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# 保存callback_data.data中的数据
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if callback_data.data and len(callback_data.data) > 0:
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await save_callback_data_items(db, callback_data.data)
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# 检查是否启用外部API调用
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if not settings.external_api_enabled:
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logger.info(f"🔌 外部API调用已禁用，直接返回成功")
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return CallbackResponse(
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success=True,
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message="外部API调用已禁用，直接返回",
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processed=False,
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retry_count=0,
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site_id=siteId
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)
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# 提取所有手机号并去重
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phone_numbers_set = set()
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for item in callback_data.data:
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phone_numbers_set.add(item.number_data.number)
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phone_numbers = list(phone_numbers_set)
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logger.info(f"📱 提取到的手机号列表（去重后）: {phone_numbers}")
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# 检查去重后的手机号是否超过 settings.count_threshold，超过直接返回
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for phone_number in phone_numbers:
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# 检查手机号是否超过阈值
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exceeds_threshold, query_failed = await check_phone_number_threshold(db, phone_number)
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# 如果查询出错，跳过此手机号
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if query_failed:
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logger.warning(f"⚠️ 查询手机号 {phone_number} 失败，跳过处理")
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continue
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if exceeds_threshold:
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logger.info(f"✅ 手机号 {phone_number} 出现次数超过阈值，跳过处理")
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continue
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# 手机号出现的次数少于settings.count_threshold，调用外部API
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# 调用外部API并支持重试
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request_body = callback_data.model_dump()
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success, retry_count = await call_external_api_with_retry(
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db=db,
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request_body=request_body,
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max_retries=settings.external_api_retry_max,
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callback_logs_id=callback_log_id
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)
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if success:
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logger.info(f"✅ 外部API调用成功，重试次数: {retry_count}")
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return CallbackResponse(
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success=True,
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message="外部API调用成功",
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processed=True,
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retry_count=retry_count,
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site_id=siteId
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)
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else:
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logger.error(f"❌ 外部API调用失败，已重试{retry_count}次")
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raise HTTPException(
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status_code=500,
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detail=f"外部API调用失败，已重试{retry_count}次"
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)
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"💥 服务器内部错误: {e}", exc_info=True)
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raise HTTPException(
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status_code=500,
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detail=f"服务器内部错误: {str(e)}"
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) |