feat(MikrotikBackupsManager): implement server selection UI with search, sorting, and pagination features

frontend/src/MikrotikBackupsManager.jsx

@@ -6,6 +6,7 @@ import TableSkeleton from './components/TableSkeleton.jsx';
 import EmptyState from './components/EmptyState.jsx';
 import Tooltip from './components/Tooltip.jsx';
 import ServerAutocompleteInput from './components/ServerAutocompleteInput.jsx';
+import DataTable from './components/DataTable.jsx';
 import {
   IconRefresh,
   IconAlertTriangle,
@@ -58,6 +59,13 @@ function MikrotikBackupsManager() {
   const [diffResult, setDiffResult] = useState(null);
   const [diffLoading, setDiffLoading] = useState(false);
 
+  // UI-состояние для таблицы выбора серверов автобэкапов
+  const [backupSearch, setBackupSearch] = useState('');
+  const [backupSortField, setBackupSortField] = useState('ip');
+  const [backupSortOrder, setBackupSortOrder] = useState('asc');
+  const [backupPage, setBackupPage] = useState(1);
+  const backupPageSize = 10;
+
   useEffect(() => {
     fetchServers();
     fetchUiSettings();
@@ -91,6 +99,74 @@ function MikrotikBackupsManager() {
 
   const backupServerIdsList = useMemo(() => Array.from(backupServerIds), [backupServerIds]);
 
+  // Отфильтрованный и отсортированный список Jumphost-серверов для блока автобэкапов
+  const filteredBackupServers = useMemo(() => {
+    let list = [...jumphostInputServers];
+
+    if (backupSearch.trim()) {
+      const q = backupSearch.trim().toLowerCase();
+      list = list.filter((s) => {
+        const fields = [
+          s.id,
+          s.ip,
+          s.dns,
+          s.extIp,
+          s.internalIp,
+          s.country,
+          s.provider,
+        ]
+          .filter(Boolean)
+          .join(' ')
+          .toLowerCase();
+        return fields.includes(q);
+      });
+    }
+
+    list.sort((a, b) => {
+      const field = backupSortField || 'ip';
+      let av = a[field] ?? '';
+      let bv = b[field] ?? '';
+      if (typeof av === 'string') av = av.toLowerCase();
+      if (typeof bv === 'string') bv = bv.toLowerCase();
+      if (av < bv) return backupSortOrder === 'asc' ? -1 : 1;
+      if (av > bv) return backupSortOrder === 'asc' ? 1 : -1;
+      return 0;
+    });
+
+    return list;
+  }, [jumphostInputServers, backupSearch, backupSortField, backupSortOrder]);
+
+  const backupTotalPages = useMemo(
+    () => Math.max(1, Math.ceil(filteredBackupServers.length / backupPageSize)),
+    [filteredBackupServers.length],
+  );
+
+  const paginatedBackupServers = useMemo(() => {
+    const page = Math.min(Math.max(1, backupPage), backupTotalPages);
+    const start = (page - 1) * backupPageSize;
+    return filteredBackupServers.slice(start, start + backupPageSize);
+  }, [filteredBackupServers, backupPage, backupTotalPages]);
+
+  const handleBackupSort = (field) => {
+    setBackupSortField((prevField) => {
+      if (prevField === field) {
+        setBackupSortOrder((prevOrder) => (prevOrder === 'asc' ? 'desc' : 'asc'));
+        return prevField;
+      }
+      setBackupSortOrder('asc');
+      return field;
+    });
+  };
+
+  const handleBackupSelectAll = () => {
+    const allIds = filteredBackupServers.map((s) => String(s.id));
+    setBackupServerIds(new Set(allIds));
+  };
+
+  const handleBackupDeselectAll = () => {
+    setBackupServerIds(new Set());
+  };
+
   const fetchServers = async () => {
     try {
       setLoadingServers(true);
@@ -342,21 +418,61 @@ function MikrotikBackupsManager() {
 
       {/* Блок выбора серверов для автобэкапа */}
       <div className="card mb-4">
-        <div className="card-header d-flex justify-content-between align-items-center">
-          <div>
-            <div className="card-title mb-0">Сервера для автоматических бэкапов</div>
-            <div className="text-muted small">
-              Отмеченные здесь Jumphost-серверы будут периодически бэкапиться планировщиком на backend.
+        <div className="card-header">
+          <div className="d-flex flex-wrap justify-content-between align-items-center gap-2">
+            <div>
+              <div className="card-title mb-0">Сервера для автоматических бэкапов</div>
+              <div className="text-muted small">
+                Отмеченные здесь Jumphost-серверы будут периодически бэкапиться планировщиком на backend.
+              </div>
+              <div className="text-muted small mt-1">
+                Выбрано для автобэкапов:{' '}
+                <span className="fw-semibold">
+                  {backupServerIds.size} из {jumphostServers.length}
+                </span>
+              </div>
+            </div>
+            <div className="d-flex flex-wrap align-items-center gap-2">
+              <div className="input-icon">
+                <span className="input-icon-addon">
+                  <svg
+                    xmlns="http://www.w3.org/2000/svg"
+                    className="icon"
+                    width="16"
+                    height="16"
+                    viewBox="0 0 24 24"
+                    strokeWidth="2"
+                    stroke="currentColor"
+                    fill="none"
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                  >
+                    <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                    <path d="M10 4a6 6 0 1 0 4 10" />
+                    <path d="M21 21l-6 -6" />
+                  </svg>
+                </span>
+                <input
+                  type="text"
+                  className="form-control form-control-sm"
+                  placeholder="Поиск по IP, DNS, провайдеру..."
+                  value={backupSearch}
+                  onChange={(e) => {
+                    setBackupSearch(e.target.value);
+                    setBackupPage(1);
+                  }}
+                />
+              </div>
+              <button
+                type="button"
+                className="btn btn-outline-primary btn-sm d-inline-flex align-items-center"
+                onClick={saveBackupServers}
+                disabled={jumphostServers.length === 0}
+              >
+                Сохранить список
+              </button>
             </div>
           </div>
-          <button
-            type="button"
-            className="btn btn-outline-primary btn-sm d-inline-flex align-items-center"
-            onClick={saveBackupServers}
-            disabled={jumphostServers.length === 0}
-          >
-            Сохранить список
-          </button>
         </div>
         <div className="card-body">
           {jumphostServers.length === 0 ? (
@@ -364,47 +480,62 @@ function MikrotikBackupsManager() {
               Нет серверов типа <code>jumphost</code>. Добавьте их в разделе «Серверы».
             </div>
           ) : (
-            <div className="table-responsive">
-              <table className="table table-sm table-hover">
-                <thead>
-                  <tr>
-                    <th style={{ width: 40 }}></th>
-                    <th>Сервер</th>
-                    <th>IP / DNS</th>
-                    <th>Страна</th>
-                    <th>Провайдер</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {jumphostServers.map((s) => {
-                    const id = s.id || s.dns || s.ip;
-                    const checked = id && backupServerIds.has(String(id));
-                    return (
-                      <tr key={id || `srv-${s.ip}-${s.dns}`}>
-                        <td>
-                          <input
-                            type="checkbox"
-                            className="form-check-input"
-                            checked={!!checked}
-                            onChange={() => id && toggleBackupServer(String(id))}
-                          />
-                        </td>
-                        <td>{s.dns || s.ip || id}</td>
-                        <td>
-                          <div className="small text-muted">
-                            {s.ip}
-                            {s.dns && s.ip ? ' · ' : ''}
-                            {s.dns}
-                          </div>
-                        </td>
-                        <td className="small">{s.country || '-'}</td>
-                        <td className="small">{s.provider || '-'}</td>
-                      </tr>
-                    );
-                  })}
-                </tbody>
-              </table>
-            </div>
+            <DataTable
+              columns={[
+                {
+                  key: 'ip',
+                  title: 'Сервер',
+                  sortable: true,
+                  render: (_value, item) => (
+                    <div>
+                      <div className="fw-medium">{item.dns || item.ip || item.id}</div>
+                      <div className="small text-muted">
+                        {item.ip}
+                        {item.dns && item.ip ? ' · ' : ''}
+                        {item.dns}
+                      </div>
+                    </div>
+                  ),
+                },
+                {
+                  key: 'country',
+                  title: 'Страна',
+                  sortable: true,
+                  render: (value) => <span className="small">{value || '-'}</span>,
+                },
+                {
+                  key: 'provider',
+                  title: 'Провайдер',
+                  sortable: true,
+                  render: (value) => <span className="small">{value || '-'}</span>,
+                },
+              ]}
+              items={paginatedBackupServers}
+              itemKey="id"
+              loading={loadingServers}
+              sortField={backupSortField}
+              sortOrder={backupSortOrder}
+              onSort={handleBackupSort}
+              selectedItems={backupServerIds}
+              onSelectItem={(id) => id && toggleBackupServer(String(id))}
+              onSelectAll={handleBackupSelectAll}
+              onDeselectAll={handleBackupDeselectAll}
+              pagination={{
+                currentPage: backupPage,
+                totalPages: backupTotalPages,
+                totalItems: filteredBackupServers.length,
+                pageSize: backupPageSize,
+                onPageChange: setBackupPage,
+              }}
+              emptyState={{
+                title: 'Серверы не найдены',
+                description:
+                  backupSearch.trim().length > 0
+                    ? 'По вашему запросу нет Jumphost-серверов. Измените фильтры поиска.'
+                    : 'Нет доступных Jumphost-серверов для автобэкапа.',
+              }}
+              skeletonRows={5}
+            />
           )}
         </div>
       </div>