feat(alerts): 添加微信告警、WebSocket实时推送和地图功能

- 新增微信告警服务（wechat_service）和告警任务（alert_tasks） - 新增 WebSocket 实时推送端点 - 新增监控管理模块（monitor） - 增强统计仪表板：趋势图、区域分布、光功率历史 - 设备管理：添加坐标信息、标签系统、复合索引优化 - 前端：重构Dashboard/Charts页面，新增业务组件 - 新增5个数据库迁移（坐标、复合索引、标签、光功率历史、显示名） - 更新部署配置和脚本 - 新增测试框架基础结构
2026-06-11 15:16:29 +08:00
parent 3453441754
commit b2c20ec43d
45 changed files with 2089 additions and 107 deletions
@@ -179,16 +179,14 @@ def get_trend(
    )
    snapshot_map = {s.snapshot_date: s for s in snapshots}

-    # 今天实时聚合
+    # 今天实时聚合 — 取每个设备最新状态（不限日期），反映真实当前状况
    today_str = today.strftime('%Y-%m-%d')
-    start_of_today = datetime.combine(today, datetime.min.time())

-    daily_latest_subq = (
+    latest_subq = (
        db.query(
            DeviceStatusHistory.onu_device_id,
            func.max(DeviceStatusHistory.checked_at).label("max_checked_at"),
        )
-        .filter(DeviceStatusHistory.checked_at >= start_of_today)
        .group_by(DeviceStatusHistory.onu_device_id)
        .subquery()
    )
@@ -198,9 +196,9 @@ def get_trend(
            func.sum(case((DeviceStatusHistory.status == 'offline', 1), else_=0)).label("offline"),
        )
        .join(
-            daily_latest_subq,
-            (DeviceStatusHistory.onu_device_id == daily_latest_subq.c.onu_device_id) &
-            (DeviceStatusHistory.checked_at == daily_latest_subq.c.max_checked_at)
+            latest_subq,
+            (DeviceStatusHistory.onu_device_id == latest_subq.c.onu_device_id) &
+            (DeviceStatusHistory.checked_at == latest_subq.c.max_checked_at)
        )
        .one()
    )
@@ -246,3 +244,175 @@ def get_trend(

    return result

+@router.get("/olt-stats")
+def get_olt_stats(
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('device.view')),
+):
+    """获取每台 OLT 下的设备在线率统计"""
+    from app.models.device import OLTDevice
+
+    latest_subq = (
+        db.query(
+            DeviceStatusHistory.onu_device_id,
+            func.max(DeviceStatusHistory.checked_at).label("max_checked_at")
+        )
+        .group_by(DeviceStatusHistory.onu_device_id)
+        .subquery()
+    )
+    latest_status_subq = (
+        db.query(DeviceStatusHistory.onu_device_id, DeviceStatusHistory.status)
+        .join(latest_subq,
+              (DeviceStatusHistory.onu_device_id == latest_subq.c.onu_device_id) &
+              (DeviceStatusHistory.checked_at == latest_subq.c.max_checked_at))
+        .subquery()
+    )
+
+    rows = (
+        db.query(
+            OLTDevice.id,
+            OLTDevice.ip_address,
+            OLTDevice.location,
+            OLTDevice.region,
+            func.count(ONUDevice.id).label("total"),
+            func.sum(case((latest_status_subq.c.status == 'online', 1), else_=0)).label("online"),
+            func.sum(case((latest_status_subq.c.status == 'offline', 1), else_=0)).label("offline"),
+        )
+        .outerjoin(ONUDevice, ONUDevice.olt_id == OLTDevice.id)
+        .outerjoin(latest_status_subq, ONUDevice.id == latest_status_subq.c.onu_device_id)
+        .group_by(OLTDevice.id)
+        .order_by(OLTDevice.region, OLTDevice.location)
+        .all()
+    )
+
+    return [
+        {
+            "olt_id": r.id,
+            "name": r.location or r.ip_address,
+            "ip": r.ip_address,
+            "region": r.region or "未知",
+            "total": int(r.total or 0),
+            "online": int(r.online or 0),
+            "offline": int(r.offline or 0),
+        }
+        for r in rows
+    ]
+
+
+@router.get("/offline-schools")
+def get_offline_schools(
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('device.view')),
+):
+    """获取全部离线的学校列表"""
+    _subq = (
+        db.query(DeviceStatusHistory.onu_device_id,
+                 func.max(DeviceStatusHistory.checked_at).label("max_checked_at"))
+        .group_by(DeviceStatusHistory.onu_device_id).subquery()
+    )
+    _status_subq = (
+        db.query(DeviceStatusHistory.onu_device_id, DeviceStatusHistory.status)
+        .join(_subq,
+              (DeviceStatusHistory.onu_device_id == _subq.c.onu_device_id) &
+              (DeviceStatusHistory.checked_at == _subq.c.max_checked_at)).subquery()
+    )
+    rows = (
+        db.query(
+            ONUDevice.school_name, ONUDevice.region,
+            func.count().label("total"),
+            func.sum(case((_status_subq.c.status == 'online', 1), else_=0)).label("online"),
+        )
+        .outerjoin(_status_subq, ONUDevice.id == _status_subq.c.onu_device_id)
+        .group_by(ONUDevice.school_name, ONUDevice.region)
+        .having(func.sum(case((_status_subq.c.status == 'online', 1), else_=0)) == 0)
+        .all()
+    )
+    return [
+        {"school_name": r.school_name or "未知", "region": r.region or "未知", "total": int(r.total or 0)}
+        for r in rows if int(r.total or 0) > 0
+    ]
+
+
+@router.get("/model-distribution")
+def get_model_distribution(
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('device.view')),
+):
+    """统计 ONU 设备型号分布"""
+    rows = (
+        db.query(
+            ONUDevice.model,
+            func.count(ONUDevice.id).label("count"),
+        )
+        .filter(ONUDevice.model.isnot(None), ONUDevice.model != '')
+        .group_by(ONUDevice.model)
+        .order_by(func.count(ONUDevice.id).desc())
+        .all()
+    )
+    unknown = db.query(func.count(ONUDevice.id)).filter(
+        (ONUDevice.model.is_(None)) | (ONUDevice.model == '')
+    ).scalar() or 0
+
+    result = [{"model": r.model or "未知", "count": r.count} for r in rows]
+    if unknown > 0:
+        result.append({"model": "未知型号", "count": unknown})
+    return result
+
+
+@router.get("/school-locations")
+def get_school_locations(
+    db: Session = Depends(get_db),
+    _: dict = Depends(require_permission('device.view')),
+):
+    """获取各学校的聚合位置数据（用于地图展示）"""
+    latest_subq = (
+        db.query(
+            DeviceStatusHistory.onu_device_id,
+            func.max(DeviceStatusHistory.checked_at).label("max_checked_at")
+        )
+        .group_by(DeviceStatusHistory.onu_device_id)
+        .subquery()
+    )
+    latest_status_subq = (
+        db.query(
+            DeviceStatusHistory.onu_device_id,
+            DeviceStatusHistory.status
+        )
+        .join(
+            latest_subq,
+            (DeviceStatusHistory.onu_device_id == latest_subq.c.onu_device_id) &
+            (DeviceStatusHistory.checked_at == latest_subq.c.max_checked_at)
+        )
+        .subquery()
+    )
+
+    rows = (
+        db.query(
+            ONUDevice.school_name,
+            ONUDevice.region,
+            ONUDevice.latitude,
+            ONUDevice.longitude,
+            func.count().label("total"),
+            func.sum(case((latest_status_subq.c.status == 'online', 1), else_=0)).label("online"),
+            func.sum(case((latest_status_subq.c.status == 'offline', 1), else_=0)).label("offline"),
+        )
+        .outerjoin(latest_status_subq, ONUDevice.id == latest_status_subq.c.onu_device_id)
+        .filter(ONUDevice.latitude.isnot(None))
+        .filter(ONUDevice.longitude.isnot(None))
+        .group_by(ONUDevice.school_name, ONUDevice.region, ONUDevice.latitude, ONUDevice.longitude)
+        .all()
+    )
+
+    return [
+        {
+            "school_name": row.school_name or "未知",
+            "region": row.region or "未知",
+            "latitude": row.latitude,
+            "longitude": row.longitude,
+            "total": int(row.total or 0),
+            "online": int(row.online or 0),
+            "offline": int(row.offline or 0),
+        }
+        for row in rows
+    ]
+