feat(alerts): enhance alert settings with customizable durations for server offline and resource usage notifications

backend/routes/alertsRoutes.js

@@ -11,11 +11,11 @@ const { getUptimeCacheData } = require('./mikrotikConfigRoutes');
 
 /** Значения по умолчанию для настроек оповещений. */
 const DEFAULT_ALERT_SETTINGS = {
-  serverOffline: { enabled: true },
+  serverOffline: { enabled: true, offlineMinutes: 5 },
-  mikrotikUnreachable: { enabled: true },
+  mikrotikUnreachable: { enabled: true, durationMinutes: 5 },
-  highCpu: { enabled: true, thresholdPercent: 85 },
+  highCpu: { enabled: true, thresholdPercent: 85, durationMinutes: 10 },
-  highRam: { enabled: true, thresholdPercent: 85 },
+  highRam: { enabled: true, thresholdPercent: 85, durationMinutes: 10 },
-  highHdd: { enabled: true, thresholdPercent: 90 },
+  highHdd: { enabled: true, thresholdPercent: 90, durationMinutes: 10 },
 };
 
 function getAlertSettings(uiSettings) {
@@ -64,9 +64,11 @@ async function getAlerts(req, res) {
 
         if (isRouter) {
           const entry = uptimeResults[serverId];
-          offline = entry ? entry.ok === false : false;
+          const offlineMinutes = Math.max(1, Math.min(1440, Number(settings.serverOffline.offlineMinutes) || 5));
+          const offlineSinceMs = entry && entry.lastCheckTs ? (Date.now() - entry.lastCheckTs) : 0;
+          offline = entry && entry.ok === false && offlineSinceMs >= offlineMinutes * 60 * 1000;
           description = offline
-            ? `${name} недоступен (по проверке Uptime Monitor).`
+            ? `${name} недоступен более ${offlineMinutes} мин (по проверке Uptime Monitor).`
             : '';
         } else {
           const idx = nonRouterServers.findIndex(

frontend/src/SettingsPage.jsx

@@ -102,13 +102,18 @@ export default function SettingsPage() {
   const [uptimeMonitorSchedulerEnabled, setUptimeMonitorSchedulerEnabled] = useState(true);
   const [uptimeMonitorSchedulerIntervalMinutes, setUptimeMonitorSchedulerIntervalMinutes] = useState('2');
   const [alertServerOffline, setAlertServerOffline] = useState(true);
+  const [alertServerOfflineMinutes, setAlertServerOfflineMinutes] = useState('5');
   const [alertMikrotikUnreachable, setAlertMikrotikUnreachable] = useState(true);
+  const [alertMikrotikUnreachableMinutes, setAlertMikrotikUnreachableMinutes] = useState('5');
   const [alertHighCpuEnabled, setAlertHighCpuEnabled] = useState(true);
   const [alertHighCpuThreshold, setAlertHighCpuThreshold] = useState('85');
+  const [alertHighCpuDurationMinutes, setAlertHighCpuDurationMinutes] = useState('10');
   const [alertHighRamEnabled, setAlertHighRamEnabled] = useState(true);
   const [alertHighRamThreshold, setAlertHighRamThreshold] = useState('85');
+  const [alertHighRamDurationMinutes, setAlertHighRamDurationMinutes] = useState('10');
   const [alertHighHddEnabled, setAlertHighHddEnabled] = useState(true);
   const [alertHighHddThreshold, setAlertHighHddThreshold] = useState('90');
+  const [alertHighHddDurationMinutes, setAlertHighHddDurationMinutes] = useState('10');
   const [serversList, setServersList] = useState([]);
   const [sidebarSearch, setSidebarSearch] = useState('');
   const [activeSection, setActiveSection] = useState(() => {
@@ -316,13 +321,18 @@ export default function SettingsPage() {
         );
         const a = data?.alertSettings || {};
         setAlertServerOffline(a.serverOffline?.enabled !== false);
+        setAlertServerOfflineMinutes(a.serverOffline?.offlineMinutes != null ? String(a.serverOffline.offlineMinutes) : '5');
         setAlertMikrotikUnreachable(a.mikrotikUnreachable?.enabled !== false);
+        setAlertMikrotikUnreachableMinutes(a.mikrotikUnreachable?.durationMinutes != null ? String(a.mikrotikUnreachable.durationMinutes) : '5');
         setAlertHighCpuEnabled(a.highCpu?.enabled !== false);
         setAlertHighCpuThreshold(a.highCpu?.thresholdPercent != null ? String(a.highCpu.thresholdPercent) : '85');
+        setAlertHighCpuDurationMinutes(a.highCpu?.durationMinutes != null ? String(a.highCpu.durationMinutes) : '10');
         setAlertHighRamEnabled(a.highRam?.enabled !== false);
         setAlertHighRamThreshold(a.highRam?.thresholdPercent != null ? String(a.highRam.thresholdPercent) : '85');
+        setAlertHighRamDurationMinutes(a.highRam?.durationMinutes != null ? String(a.highRam.durationMinutes) : '10');
         setAlertHighHddEnabled(a.highHdd?.enabled !== false);
         setAlertHighHddThreshold(a.highHdd?.thresholdPercent != null ? String(a.highHdd.thresholdPercent) : '90');
+        setAlertHighHddDurationMinutes(a.highHdd?.durationMinutes != null ? String(a.highHdd.durationMinutes) : '10');
         const e =
           settingsRes?.headers?.etag || settingsRes?.headers?.ETag || '';
         setEtag(e ? String(e) : '');
@@ -438,19 +448,28 @@ export default function SettingsPage() {
             }))
           : [],
         alertSettings: {
-          serverOffline: { enabled: alertServerOffline },
+          serverOffline: {
-          mikrotikUnreachable: { enabled: alertMikrotikUnreachable },
+            enabled: alertServerOffline,
+            offlineMinutes: Math.max(1, Math.min(1440, parseInt(alertServerOfflineMinutes, 10) || 5)),
+          },
+          mikrotikUnreachable: {
+            enabled: alertMikrotikUnreachable,
+            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertMikrotikUnreachableMinutes, 10) || 5)),
+          },
           highCpu: {
             enabled: alertHighCpuEnabled,
             thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighCpuThreshold, 10) || 85)),
+            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighCpuDurationMinutes, 10) || 10)),
           },
           highRam: {
             enabled: alertHighRamEnabled,
             thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighRamThreshold, 10) || 85)),
+            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighRamDurationMinutes, 10) || 10)),
           },
           highHdd: {
             enabled: alertHighHddEnabled,
             thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighHddThreshold, 10) || 90)),
+            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighHddDurationMinutes, 10) || 10)),
           },
         },
       };
@@ -1088,15 +1107,30 @@ export default function SettingsPage() {
               <>
                 <SectionHeading title="Настройки оповещений" icon={IconBell} />
                 <p className="text-muted mb-4">
-                  Включите или отключите типы оповещений и задайте пороги. Оповещения отображаются на панели и в колокольчике в шапке.
+                  Настройте пороги и длительность для каждого типа оповещений. Оповещения отображаются на панели и в колокольчике в шапке.
                 </p>
 
-                <div className="mb-4">
+                <div className="list-group list-group-flush">
-                  <h4 className="subheader mb-3">Статус и доступность</h4>
+                  {/* Статус: сервер недоступен */}
-                  <p className="text-muted small mb-3">
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
-                    Для <strong>jumphost/home</strong> используются те же правила, что и в Uptime Monitor: тип проверки (HTTP, internal-ping, external-ping) и кеш. Настройки — в разделе <a href="#uptime-monitor" onClick={(e) => { e.preventDefault(); goToSection('uptime-monitor'); }}>Uptime Monitor</a>. Для остальных серверов — проверка TCP (80/443).
+                    <div className="flex-grow-1 min-w-0">
-                  </p>
+                      <div className="fw-semibold">Статус</div>
-                  <div className="form-check form-switch mb-3">
+                      <div className="text-muted small">Система не в сети более указанного времени. Для jumphost/home — правила <a href="#uptime-monitor" onClick={(e) => { e.preventDefault(); goToSection('uptime-monitor'); }}>Uptime Monitor</a>.</div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 100 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={1440}
+                          value={alertServerOfflineMinutes}
+                          onChange={(e) => setAlertServerOfflineMinutes(e.target.value)}
+                          disabled={saving || !alertServerOffline}
+                        />
+                        <span className="input-group-text">мин</span>
+                      </div>
+                      <div className="form-check form-switch mb-0">
                         <input
                           className="form-check-input"
                           type="checkbox"
@@ -1105,11 +1139,31 @@ export default function SettingsPage() {
                           onChange={(e) => setAlertServerOffline(e.target.checked)}
                           disabled={saving}
                         />
-                    <label className="form-check-label" htmlFor="alertServerOffline">
+                        <label className="form-check-label small" htmlFor="alertServerOffline">Вкл</label>
-                      Сервер недоступен — оповещение при недоступности (по правилам Uptime Monitor для роутеров, TCP для остальных).
-                    </label>
                       </div>
-                  <div className="form-check form-switch mb-3">
+                    </div>
+                  </div>
+
+                  {/* MikroTik недоступен */}
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
+                    <div className="flex-grow-1 min-w-0">
+                      <div className="fw-semibold">MikroTik недоступен</div>
+                      <div className="text-muted small">Ошибка доступа к RouterOS (таймаут, неверный пароль) в течение указанного времени.</div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 100 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={1440}
+                          value={alertMikrotikUnreachableMinutes}
+                          onChange={(e) => setAlertMikrotikUnreachableMinutes(e.target.value)}
+                          disabled={saving || !alertMikrotikUnreachable}
+                        />
+                        <span className="input-group-text">мин</span>
+                      </div>
+                      <div className="form-check form-switch mb-0">
                         <input
                           className="form-check-input"
                           type="checkbox"
@@ -1118,39 +1172,22 @@ export default function SettingsPage() {
                           onChange={(e) => setAlertMikrotikUnreachable(e.target.checked)}
                           disabled={saving}
                         />
-                    <label className="form-check-label" htmlFor="alertMikrotikUnreachable">
+                        <label className="form-check-label small" htmlFor="alertMikrotikUnreachable">Вкл</label>
-                      MikroTik недоступен — срабатывает при ошибке доступа к RouterOS (таймаут, неверный пароль и т.п.).
+                      </div>
-                    </label>
                     </div>
                   </div>
 
-                <div className="mb-4">
+                  {/* Использование CPU */}
-                  <h4 className="subheader mb-3">Ресурсы роутеров (MikroTik)</h4>
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
-                  <div className="row g-3">
+                    <div className="flex-grow-1 min-w-0">
-                    <div className="col-12 col-md-6">
+                      <div className="fw-semibold d-flex align-items-center gap-2">
-                      <div className="card">
+                        <IconCpu size={18} className="text-blue" />
-                        <div className="card-body">
+                        Использование CPU
-                          <div className="d-flex align-items-center mb-2">
-                            <span className="avatar avatar-sm me-2 bg-blue-lt text-blue">
-                              <IconCpu size={18} />
-                            </span>
-                            <span className="fw-medium">Использование CPU</span>
                       </div>
-                          <div className="form-check form-switch mb-2">
+                      <div className="text-muted small">Среднее превышает порог в течение указанного времени.</div>
-                            <input
-                              className="form-check-input"
-                              type="checkbox"
-                              id="alertHighCpuEnabled"
-                              checked={alertHighCpuEnabled}
-                              onChange={(e) => setAlertHighCpuEnabled(e.target.checked)}
-                              disabled={saving}
-                            />
-                            <label className="form-check-label small" htmlFor="alertHighCpuEnabled">
-                              Включить оповещение
-                            </label>
                     </div>
-                          <div className="input-group input-group-sm">
+                    <div className="d-flex flex-wrap align-items-center gap-2">
-                            <span className="input-group-text">Порог</span>
+                      <div className="input-group input-group-sm" style={{ width: 80 }}>
                         <input
                           type="number"
                           className="form-control"
@@ -1162,34 +1199,43 @@ export default function SettingsPage() {
                         />
                         <span className="input-group-text">%</span>
                       </div>
-                          <div className="form-text small">Среднее превышает указанный %.</div>
+                      <div className="input-group input-group-sm" style={{ width: 100 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={1440}
+                          value={alertHighCpuDurationMinutes}
+                          onChange={(e) => setAlertHighCpuDurationMinutes(e.target.value)}
+                          disabled={saving || !alertHighCpuEnabled}
+                        />
+                        <span className="input-group-text">мин</span>
                       </div>
-                      </div>
+                      <div className="form-check form-switch mb-0">
-                    </div>
-                    <div className="col-12 col-md-6">
-                      <div className="card">
-                        <div className="card-body">
-                          <div className="d-flex align-items-center mb-2">
-                            <span className="avatar avatar-sm me-2 bg-green-lt text-green">
-                              <IconDeviceDesktop size={18} />
-                            </span>
-                            <span className="fw-medium">Использование памяти</span>
-                          </div>
-                          <div className="form-check form-switch mb-2">
                         <input
                           className="form-check-input"
                           type="checkbox"
-                              id="alertHighRamEnabled"
+                          id="alertHighCpuEnabled"
-                              checked={alertHighRamEnabled}
+                          checked={alertHighCpuEnabled}
-                              onChange={(e) => setAlertHighRamEnabled(e.target.checked)}
+                          onChange={(e) => setAlertHighCpuEnabled(e.target.checked)}
                           disabled={saving}
                         />
-                            <label className="form-check-label small" htmlFor="alertHighRamEnabled">
+                        <label className="form-check-label small" htmlFor="alertHighCpuEnabled">Вкл</label>
-                              Включить оповещение
-                            </label>
                       </div>
-                          <div className="input-group input-group-sm">
+                    </div>
-                            <span className="input-group-text">Порог</span>
+                  </div>
+
+                  {/* Использование памяти */}
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
+                    <div className="flex-grow-1 min-w-0">
+                      <div className="fw-semibold d-flex align-items-center gap-2">
+                        <IconDeviceDesktop size={18} className="text-green" />
+                        Использование памяти
+                      </div>
+                      <div className="text-muted small">Среднее превышает порог в течение указанного времени.</div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 80 }}>
                         <input
                           type="number"
                           className="form-control"
@@ -1201,34 +1247,43 @@ export default function SettingsPage() {
                         />
                         <span className="input-group-text">%</span>
                       </div>
-                          <div className="form-text small">Среднее превышает указанный %.</div>
+                      <div className="input-group input-group-sm" style={{ width: 100 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={1440}
+                          value={alertHighRamDurationMinutes}
+                          onChange={(e) => setAlertHighRamDurationMinutes(e.target.value)}
+                          disabled={saving || !alertHighRamEnabled}
+                        />
+                        <span className="input-group-text">мин</span>
                       </div>
-                      </div>
+                      <div className="form-check form-switch mb-0">
-                    </div>
-                    <div className="col-12 col-md-6">
-                      <div className="card">
-                        <div className="card-body">
-                          <div className="d-flex align-items-center mb-2">
-                            <span className="avatar avatar-sm me-2 bg-orange-lt text-orange">
-                              <IconDatabase size={18} />
-                            </span>
-                            <span className="fw-medium">Использование диска</span>
-                          </div>
-                          <div className="form-check form-switch mb-2">
                         <input
                           className="form-check-input"
                           type="checkbox"
-                              id="alertHighHddEnabled"
+                          id="alertHighRamEnabled"
-                              checked={alertHighHddEnabled}
+                          checked={alertHighRamEnabled}
-                              onChange={(e) => setAlertHighHddEnabled(e.target.checked)}
+                          onChange={(e) => setAlertHighRamEnabled(e.target.checked)}
                           disabled={saving}
                         />
-                            <label className="form-check-label small" htmlFor="alertHighHddEnabled">
+                        <label className="form-check-label small" htmlFor="alertHighRamEnabled">Вкл</label>
-                              Включить оповещение
-                            </label>
                       </div>
-                          <div className="input-group input-group-sm">
+                    </div>
-                            <span className="input-group-text">Порог</span>
+                  </div>
+
+                  {/* Использование диска */}
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
+                    <div className="flex-grow-1 min-w-0">
+                      <div className="fw-semibold d-flex align-items-center gap-2">
+                        <IconDatabase size={18} className="text-orange" />
+                        Использование диска
+                      </div>
+                      <div className="text-muted small">Среднее превышает порог в течение указанного времени.</div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 80 }}>
                         <input
                           type="number"
                           className="form-control"
@@ -1240,8 +1295,28 @@ export default function SettingsPage() {
                         />
                         <span className="input-group-text">%</span>
                       </div>
-                          <div className="form-text small">Среднее превышает указанный %.</div>
+                      <div className="input-group input-group-sm" style={{ width: 100 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={1440}
+                          value={alertHighHddDurationMinutes}
+                          onChange={(e) => setAlertHighHddDurationMinutes(e.target.value)}
+                          disabled={saving || !alertHighHddEnabled}
+                        />
+                        <span className="input-group-text">мин</span>
                       </div>
+                      <div className="form-check form-switch mb-0">
+                        <input
+                          className="form-check-input"
+                          type="checkbox"
+                          id="alertHighHddEnabled"
+                          checked={alertHighHddEnabled}
+                          onChange={(e) => setAlertHighHddEnabled(e.target.checked)}
+                          disabled={saving}
+                        />
+                        <label className="form-check-label small" htmlFor="alertHighHddEnabled">Вкл</label>
                       </div>
                     </div>
                   </div>