16337
5b00fd0464
- 新增 H5 告警详情页面（截图+信息+3个操作按钮） - 企微卡片"查看详情"跳转到 H5 页面 - 操作按钮改为：前往处理/已处理/误报忽略 - 新增 alarm_detail API 供 H5 页面获取告警+VLM分析数据 - 挂载 /static 目录提供 H5 页面访问
165 lines
5.2 KiB
Python
165 lines
5.2 KiB
Python
"""
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企微通知服务
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封装企业微信 API，发送告警文本卡片。
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V1 使用应用消息 + 文本卡片，后期扩展为模板卡片。
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"""
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import httpx
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import logging
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import time
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from typing import Optional, List
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logger = logging.getLogger(__name__)
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class WeChatService:
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"""企微通知服务（单例）"""
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def __init__(self):
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self._enabled = False
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self._corp_id = ""
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self._agent_id = ""
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self._secret = ""
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self._token = ""
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self._encoding_aes_key = ""
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self._access_token = ""
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self._token_expire_at = 0
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def init(self, config):
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"""初始化企微配置"""
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self._enabled = config.enabled and bool(config.corp_id) and bool(config.secret)
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self._corp_id = config.corp_id
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self._agent_id = config.agent_id
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self._secret = config.secret
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self._token = config.token
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self._encoding_aes_key = config.encoding_aes_key
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if self._enabled:
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logger.info(f"企微通知服务已启用: corp_id={self._corp_id}")
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else:
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logger.info("企微通知服务未启用")
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@property
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def enabled(self) -> bool:
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return self._enabled
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async def _get_access_token(self) -> str:
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"""获取企微 access_token（带缓存）"""
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if self._access_token and time.time() < self._token_expire_at - 60:
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return self._access_token
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url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken"
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params = {"corpid": self._corp_id, "corpsecret": self._secret}
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async with httpx.AsyncClient(timeout=10) as client:
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resp = await client.get(url, params=params)
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data = resp.json()
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if data.get("errcode") != 0:
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raise Exception(f"获取 access_token 失败: {data}")
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self._access_token = data["access_token"]
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self._token_expire_at = time.time() + data.get("expires_in", 7200)
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logger.info("企微 access_token 已更新")
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return self._access_token
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async def send_alarm_card(
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self,
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user_ids: List[str],
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alarm_id: str,
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alarm_type: str,
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area_name: str,
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camera_name: str,
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description: str,
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snapshot_url: str,
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event_time: str,
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alarm_level: int = 2,
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service_base_url: str = "",
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) -> bool:
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"""
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发送告警文本卡片
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Args:
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user_ids: 企微 userid 列表
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alarm_id: 告警ID
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alarm_type: 告警类型
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area_name: 区域名称
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camera_name: 摄像头名称
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description: VLM 生成的场景描述
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snapshot_url: 截图 URL
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event_time: 告警时间
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alarm_level: 告警级别
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Returns:
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是否发送成功
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"""
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if not self._enabled:
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logger.debug("企微未启用，跳过发送")
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return False
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try:
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access_token = await self._get_access_token()
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# 告警类型中文映射
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type_names = {
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"leave_post": "人员离岗",
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"intrusion": "周界入侵",
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}
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type_name = type_names.get(alarm_type, alarm_type)
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# 告警级别映射
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level_names = {1: "提醒", 2: "一般", 3: "严重", 4: "紧急"}
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level_name = level_names.get(alarm_level, "一般")
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# 构造文本卡片消息
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content = (
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f"<div class=\"highlight\">{level_name} | {type_name}</div>\n"
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f"<div class=\"gray\">区域：{area_name}</div>\n"
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f"<div class=\"gray\">摄像头：{camera_name}</div>\n"
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f"<div class=\"gray\">时间：{event_time}</div>\n"
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f"<div class=\"normal\">{description}</div>"
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)
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# H5 详情页 URL（企微卡片"查看详情"跳转目标）
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detail_url = f"{service_base_url}/static/alarm_detail.html?alarm_id={alarm_id}" if service_base_url else snapshot_url or "https://work.weixin.qq.com"
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msg = {
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"touser": "|".join(user_ids),
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"msgtype": "textcard",
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"agentid": int(self._agent_id) if self._agent_id else 0,
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"textcard": {
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"title": f"【{level_name}】{type_name}告警",
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"description": content,
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"url": detail_url,
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"btntxt": "查看详情",
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},
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}
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url = f"https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={access_token}"
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async with httpx.AsyncClient(timeout=10) as client:
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resp = await client.post(url, json=msg)
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data = resp.json()
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if data.get("errcode") != 0:
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logger.error(f"企微发送失败: {data}")
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return False
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logger.info(f"企微通知已发送: alarm={alarm_id}, users={user_ids}")
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return True
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except Exception as e:
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logger.error(f"企微发送异常: {e}")
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return False
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# 全局单例
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_wechat_service: Optional[WeChatService] = None
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def get_wechat_service() -> WeChatService:
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global _wechat_service
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if _wechat_service is None:
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_wechat_service = WeChatService()
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return _wechat_service
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