348 lines
13 KiB
Python
348 lines
13 KiB
Python
# backend_singleton.py
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# 共享后端单连接客户端实例和WebSocket连接管理
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from typing import Optional, Callable
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import threading
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import asyncio
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from threading import Thread
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# 创建新的后端客户端
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from WebSocket.BackendClient import BackendClient
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from Utils.JD.JdUtils import JDListenerForGUI as JDListenerForGUI_WS
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from Utils.Dy.DyUtils import DouYinListenerForGUI as DYListenerForGUI_WS
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from Utils.Pdd.PddUtils import PddListenerForGUI as PDDListenerForGUI_WS
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_backend_client = None
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def set_backend_client(client: BackendClient) -> None:
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global _backend_client
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_backend_client = client
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def get_backend_client() -> Optional[BackendClient]:
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return _backend_client
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class WebSocketManager:
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"""WebSocket连接管理器，统一处理后端连接和平台监听"""
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def __init__(self):
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self.backend_client = None
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self.platform_listeners = {} # 存储各平台的监听器
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self.callbacks = {
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'log': None,
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'success': None,
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'error': None
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}
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def set_callbacks(self, log: Callable = None, success: Callable = None, error: Callable = None):
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"""设置回调函数"""
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if log:
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self.callbacks['log'] = log
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if success:
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self.callbacks['success'] = success
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if error:
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self.callbacks['error'] = error
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def _log(self, message: str, level: str = "INFO"):
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"""内部日志方法"""
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if self.callbacks['log']:
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self.callbacks['log'](message, level)
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else:
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print(f"[{level}] {message}")
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def connect_backend(self, token: str) -> bool:
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"""连接后端WebSocket"""
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try:
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# 1 保存token到配置
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try:
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from config import set_saved_token
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set_saved_token(token)
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except Exception:
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pass
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# 2 获取或创建后端客户端
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backend = get_backend_client()
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if backend:
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# 3 如果有客户端更新token并重连
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backend.set_token(token)
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# 设置回调函数
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def _on_backend_success():
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try:
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self._log("连接服务成功", "SUCCESS")
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if self.callbacks['success']:
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self.callbacks['success']()
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except Exception as e:
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self._log(f"成功回调执行失败: {e}", "ERROR")
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def _on_backend_login(platform_name: str, store_id: str, cookies: str):
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self._log(
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f"收到后端登录指令: 平台={platform_name}, 店铺={store_id}, cookies_len={len(cookies) if cookies else 0}",
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"INFO")
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self._handle_platform_login(platform_name, store_id, cookies)
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backend.set_callbacks(success=_on_backend_success, login=_on_backend_login)
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if not backend.is_connected:
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backend.connect()
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self.backend_client = backend
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self._log("令牌已提交，已连接后端。等待后端下发平台cookies后自动连接平台...", "SUCCESS")
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return True
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else:
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backend = BackendClient.from_exe_token(token)
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def _on_backend_login(platform_name: str, store_id: str, cookies: str):
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self._log(
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f"收到后端登录指令: 平台={platform_name}, 店铺={store_id}, cookies_len={len(cookies) if cookies else 0}",
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"INFO")
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self._handle_platform_login(platform_name, store_id, cookies)
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def _on_backend_success():
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try:
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self._log("连接服务成功", "SUCCESS")
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if self.callbacks['success']:
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self.callbacks['success']()
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except Exception as e:
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self._log(f"成功回调执行失败: {e}", "ERROR")
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backend.set_callbacks(login=_on_backend_login, success=_on_backend_success)
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backend.connect()
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set_backend_client(backend)
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self.backend_client = backend
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self._log("已创建后端客户端并连接。等待后端下发平台cookies...", "SUCCESS")
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return True
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except Exception as e:
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self._log(f"连接后端失败: {e}", "ERROR")
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if self.callbacks['error']:
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self.callbacks['error'](str(e))
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return False
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def _handle_platform_login(self, platform_name: str, store_id: str, cookies: str):
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"""处理平台登录逻辑"""
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try:
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if platform_name == "京东" and store_id and cookies:
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self._start_jd_listener(store_id, cookies)
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elif platform_name == "抖音" and store_id and cookies:
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self._start_douyin_listener(store_id, cookies)
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elif platform_name == "千牛" and store_id and cookies:
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self._start_qianniu_listener(store_id, cookies)
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elif platform_name == "拼多多" and store_id and cookies:
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self._start_pdd_listener(store_id, cookies)
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else:
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self._log(f"不支持的平台或参数不全: {platform_name}", "WARNING")
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except Exception as e:
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self._log(f"启动平台监听失败: {e}", "ERROR")
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def _start_jd_listener(self, store_id: str, cookies: str):
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"""启动京东平台监听"""
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try:
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def _runner():
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try:
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listener = JDListenerForGUI_WS()
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asyncio.run(listener.start_with_cookies(store_id, cookies))
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except Exception as e:
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self._log(f"京东监听器运行异常: {e}", "ERROR")
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# 在新线程中启动监听器
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thread = Thread(target=_runner, daemon=True)
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thread.start()
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# 保存监听器引用
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self.platform_listeners[f"京东:{store_id}"] = {
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'thread': thread,
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'platform': '京东',
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'store_id': store_id
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}
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# 上报连接状态给后端
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": True
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})
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except Exception as e:
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self._log(f"上报连接状态失败: {e}", "WARNING")
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self._log("已启动京东平台监听", "SUCCESS")
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except Exception as e:
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self._log(f"启动京东平台监听失败: {e}", "ERROR")
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# 确保失败时也上报状态
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": False
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})
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except Exception as send_e:
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self._log(f"失败状态下报连接状态也失败: {send_e}", "ERROR")
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def _start_douyin_listener(self, store_id: str, cookies: str):
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"""启动抖音平台监听"""
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try:
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def _runner():
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try:
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import json
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listener = DYListenerForGUI_WS()
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# 将JSON字符串格式的cookies解析为字典
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try:
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cookie_dict = json.loads(cookies) if isinstance(cookies, str) else cookies
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except json.JSONDecodeError as e:
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self._log(f"❌ Cookie JSON解析失败: {e}", "ERROR")
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return False
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result = asyncio.run(listener.start_with_cookies(store_id=store_id, cookie_dict=cookie_dict))
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return result
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except Exception as e:
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self._log(f"抖音监听器运行异常: {e}", "ERROR")
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return False
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# 在新线程中启动监听器
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thread = Thread(target=_runner, daemon=True)
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thread.start()
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# 保存监听器引用
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self.platform_listeners[f"抖音:{store_id}"] = {
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'thread': thread,
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'platform': '抖音',
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'store_id': store_id,
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}
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# 更新监听器状态
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if f"抖音:{store_id}" in self.platform_listeners:
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self.platform_listeners[f"抖音:{store_id}"]['status'] = 'success'
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# 上报连接状态给后端
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": True
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})
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self._log("已上报抖音平台连接状态: 成功", "INFO")
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except Exception as e:
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self._log(f"上报抖音平台连接状态失败: {e}", "WARNING")
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self._log("已启动抖音平台监听", "SUCCESS")
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except Exception as e:
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self._log(f"启动抖音平台监听失败: {e}", "ERROR")
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# 确保失败时也上报状态
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": False
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})
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except Exception as send_e:
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self._log(f"失败状态下报抖音平台连接状态也失败: {send_e}", "ERROR")
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def _start_qianniu_listener(self, store_id: str, cookies: str):
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"""启动千牛平台监听"""
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try:
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# 这里可以添加千牛监听逻辑
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self._log("千牛平台监听功能待实现", "INFO")
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except Exception as e:
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self._log(f"启动千牛平台监听失败: {e}", "ERROR")
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def _start_pdd_listener(self, store_id: str, cookies: str):
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"""启动拼多多平台监听"""
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try:
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def _runner():
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try:
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listener = PDDListenerForGUI_WS(log_callback=self._log)
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result = asyncio.run(listener.start_with_cookies(store_id=store_id, cookies=cookies))
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return result
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except Exception as e:
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self._log(f"拼多多监听器运行异常: {e}", "ERROR")
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return False
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# 在新线程中启动监听器
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thread = Thread(target=_runner, daemon=True)
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thread.start()
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# 保存监听器引用
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self.platform_listeners[f"拼多多:{store_id}"] = {
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'thread': thread,
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'platform': '拼多多',
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'store_id': store_id,
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}
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# 更新监听器状态
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if f"拼多多:{store_id}" in self.platform_listeners:
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self.platform_listeners[f"拼多多:{store_id}"]['status'] = 'success'
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# 上报连接状态给后端
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": True
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})
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self._log("已上报拼多多平台连接状态: 成功", "INFO")
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except Exception as e:
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self._log(f"上报拼多多平台连接状态失败: {e}", "WARNING")
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self._log("已启动拼多多平台监听", "SUCCESS")
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except Exception as e:
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self._log(f"启动拼多多平台监听失败: {e}", "ERROR")
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# 确保失败时也上报状态
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if self.backend_client:
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try:
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self.backend_client.send_message({
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"type": "connect_message",
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"store_id": store_id,
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"status": False
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})
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except Exception as send_e:
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self._log(f"失败状态下报拼多多平台连接状态也失败: {send_e}", "ERROR")
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def send_message(self, message: dict):
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"""发送消息到后端"""
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if self.backend_client and self.backend_client.is_connected:
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return self.backend_client.send_message(message)
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else:
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raise Exception("后端未连接")
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def disconnect_all(self):
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"""断开所有连接"""
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try:
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# 断开后端连接
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if self.backend_client:
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self.backend_client.disconnect()
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self.backend_client = None
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# 清理平台监听器
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self.platform_listeners.clear()
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self._log("所有连接已断开", "INFO")
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except Exception as e:
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self._log(f"断开连接时发生错误: {e}", "ERROR")
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# 全局WebSocket管理器实例
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_websocket_manager = None
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def get_websocket_manager() -> WebSocketManager:
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"""获取全局WebSocket管理器实例"""
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global _websocket_manager
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if _websocket_manager is None:
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_websocket_manager = WebSocketManager()
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return _websocket_manager
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