feat: Add WebSocket and background update functionality to ASNs, Domains, and IPRanges managers; integrate WsUpdateModal for real-time updates

frontend/src/components/PageHeaderActions.jsx

@@ -3,7 +3,9 @@ import {
   IconRefresh,
   IconUpload,
   IconDownload,
-  IconDeviceFloppy
+  IconDeviceFloppy,
+  IconPlayerPlay,
+  IconBolt
 } from '@tabler/icons-react';
 
 function PageHeaderActions({
@@ -20,9 +22,21 @@ function PageHeaderActions({
   onSave,
   disableSave = false,
   onHistory,
+  onOnlineUpdate,
+  onBackgroundUpdate,
 }) {
   return (
     <div className="btn-list">
+      {onOnlineUpdate && (
+        <button className="btn btn-outline-warning" onClick={onOnlineUpdate} title="Online-обновление BGP (WebSocket)">
+          <IconBolt className="me-1" /> Online-обновление
+        </button>
+      )}
+      {onBackgroundUpdate && (
+        <button className="btn btn-outline-success" onClick={onBackgroundUpdate} title="Фоновое обновление BGP (POST)">
+          <IconPlayerPlay className="me-1" /> Фоновое обновление
+        </button>
+      )}
       {onPreview && (
         <button className="btn btn-outline-secondary" onClick={onPreview} disabled={disablePreview} title="Предпросмотр изменений">
           <IconEye className="me-1" /> Предпросмотр

frontend/src/components/WsUpdateModal.jsx

@@ -0,0 +1,74 @@
+import { useEffect, useRef, useState } from 'react';
+import { IconX, IconPlayerPlay, IconPlugConnected } from '@tabler/icons-react';
+
+function WsUpdateModal({ show, url, onClose }) {
+  const [messages, setMessages] = useState([]);
+  const [status, setStatus] = useState('connecting'); // connecting | open | closed | error
+  const wsRef = useRef(null);
+  const bottomRef = useRef(null);
+
+  useEffect(() => {
+    if (!show) return;
+    try {
+      const ws = new WebSocket(url);
+      wsRef.current = ws;
+      setStatus('connecting');
+      ws.onopen = () => setStatus('open');
+      ws.onmessage = (evt) => {
+        const text = typeof evt.data === 'string' ? evt.data : '[binary]';
+        setMessages((prev) => [...prev, text]);
+      };
+      ws.onerror = () => setStatus('error');
+      ws.onclose = () => setStatus('closed');
+    } catch (e) {
+      setStatus('error');
+    }
+    return () => {
+      try { wsRef.current?.close(); } catch {}
+      wsRef.current = null;
+    };
+  }, [show, url]);
+
+  useEffect(() => {
+    bottomRef.current?.scrollIntoView({ behavior: 'smooth' });
+  }, [messages, show]);
+
+  if (!show) return null;
+
+  return (
+    <div className="modal show d-block" tabIndex="-1" style={{ backgroundColor: 'rgba(0,0,0,0.5)' }}>
+      <div className="modal-dialog modal-lg">
+        <div className="modal-content">
+          <div className="modal-header">
+            <h5 className="modal-title d-flex align-items-center">
+              <IconPlugConnected className="me-2" /> Online-обновление BGP
+              <span className={`badge ms-2 ${status === 'open' ? 'bg-green-lt text-green' : status === 'connecting' ? 'bg-orange-lt text-orange' : status === 'error' ? 'bg-red-lt text-red' : 'bg-secondary-lt text-secondary'}`}>{status}</span>
+            </h5>
+            <button type="button" className="btn btn-close" onClick={onClose}><IconX size={16} /></button>
+          </div>
+          <div className="modal-body">
+            <div className="card">
+              <div className="card-body" style={{ maxHeight: 360, overflowY: 'auto', fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace', fontSize: '0.875rem' }}>
+                {messages.length === 0 ? (
+                  <div className="text-muted">Ожидание сообщений от сервера...</div>
+                ) : (
+                  messages.map((m, i) => (
+                    <div key={i} className="text-break"><span className="text-muted">$</span> {m}</div>
+                  ))
+                )}
+                <div ref={bottomRef} />
+              </div>
+            </div>
+          </div>
+          <div className="modal-footer">
+            <button className="btn btn-secondary" onClick={onClose}><IconX className="me-1" /> Закрыть</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default WsUpdateModal;
+
+