Add device traffic reset with outbound baselines

src/web/features/devices/DevicesFeature.tsx

@@ -19,6 +19,7 @@ interface DevicesFeatureOptions {
   isGateway: boolean;
   listDevices: () => Promise<unknown>;
   refreshDevices: () => Promise<unknown>;
+  resetDeviceTraffic: (expectedRevision: number) => Promise<unknown>;
   updateDevice: (id: string, patch: Record<string, unknown>, expectedRevision: number) => Promise<unknown>;
   setDevicePolicy: (id: string, mode: DevicePolicy, expectedRevision: number) => Promise<unknown>;
 }
@@ -40,6 +41,7 @@ export function useDevicesFeature({
   isGateway,
   listDevices,
   refreshDevices,
+  resetDeviceTraffic,
   updateDevice: requestDeviceUpdate,
   setDevicePolicy,
 }: DevicesFeatureOptions) {
@@ -50,6 +52,8 @@ export function useDevicesFeature({
   const [refreshing, setRefreshing] = useState(false);
   const [refreshCycle, setRefreshCycle] = useState(0);
   const [savingId, setSavingId] = useState('');
+  const [resetOpen, setResetOpen] = useState(false);
+  const [resetting, setResetting] = useState(false);
   const panelRef = useRef<HTMLElement>(null);
   const toggleRef = useRef<HTMLButtonElement>(null);
   const closeRef = useRef<HTMLButtonElement>(null);
@@ -136,6 +140,29 @@ export function useDevicesFeature({
     }
   }
 
+  async function confirmResetTraffic() {
+    if (!snapshot) return;
+    setResetting(true);
+    try {
+      let next: DeviceSnapshot;
+      try {
+        next = parseDeviceSnapshot(await resetDeviceTraffic(snapshot.revision));
+      } catch (caught) {
+        if (requestError(caught).code !== 'STATE_CONFLICT') throw caught;
+        const latest = parseDeviceSnapshot(await listDevices());
+        publish(latest);
+        next = parseDeviceSnapshot(await resetDeviceTraffic(latest.revision));
+      }
+      publish(next);
+      setError(null);
+      setResetOpen(false);
+    } catch (caught) {
+      setError(caught);
+    } finally {
+      setResetting(false);
+    }
+  }
+
   useEffect(() => {
     if (!isGateway) return undefined;
     load();
@@ -152,6 +179,7 @@ export function useDevicesFeature({
     if (!isOpen) return undefined;
     const frame = requestAnimationFrame(() => closeRef.current?.focus());
     const closeDevices = (event: PointerEvent | KeyboardEvent) => {
+      if (resetOpen) return;
       if (event.type === 'keydown' && (event as KeyboardEvent).key !== 'Escape') return;
       if (event.type !== 'keydown' && (
         panelRef.current?.contains(event.target as Node) || toggleRef.current?.contains(event.target as Node)
@@ -168,7 +196,7 @@ export function useDevicesFeature({
         if (panelRef.current?.contains(document.activeElement)) toggleRef.current?.focus();
       });
     };
-  }, [isOpen]);
+  }, [isOpen, resetOpen]);
 
   return {
     isOpen,
@@ -178,12 +206,17 @@ export function useDevicesFeature({
     refreshing,
     refreshCycle,
     savingId,
+    resetOpen,
+    resetting,
     panelRef,
     toggleRef,
     closeRef,
     load,
     updateDevice,
     updatePolicy,
+    requestTrafficReset: () => setResetOpen(true),
+    cancelTrafficReset: () => setResetOpen(false),
+    confirmResetTraffic,
     close: () => setIsOpen(false),
     toggle: () => setIsOpen((open) => !open),
   };