feat: Integrate Pagination component into ASNsNewManager, DomainsNewManager, IPRangesManager, and FilterManager for improved navigation and user experience across multiple pages of data.

frontend/src/ASNsNewManager.jsx

@@ -40,6 +40,7 @@ import AccordionCard from './components/AccordionCard.jsx';
 import SavedFilters from './components/SavedFilters.jsx';
 import BulkActionsBar from './components/BulkActionsBar.jsx';
 import Tooltip from './components/Tooltip.jsx';
+import Pagination from './components/Pagination.jsx';
 import { getAsnName, getAsnNameSync } from './lib/asn.js';
 
 const API_URL = '/api';
@@ -900,58 +901,13 @@ function ASNsNewManager() {
             </div>
             )}
             {/* Пагинация */}
-            {totalPages > 1 && (
-              <div className="card-footer">
-                <div className="d-flex align-items-center justify-content-between flex-wrap gap-2">
-                  <div className="text-muted small">
-                    Показано <strong>{((currentPage - 1) * pageSize) + 1}</strong> - <strong>{((currentPage - 1) * pageSize) + paginatedItems.length}</strong> из <strong>{totalItems || filtered.length}</strong>
-                  </div>
-                  <ul className="pagination m-0">
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(1)} disabled={currentPage === 1} aria-label="Первая страница">
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(currentPage - 1)} disabled={currentPage === 1} aria-label="Предыдущая страница">
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                        <span className="d-none d-sm-inline ms-1">Назад</span>
-                      </button>
-                    </li>
-                    {(() => {
-                      const pages = [];
-                      let start = Math.max(1, currentPage - 2);
-                      let end = Math.min(totalPages, currentPage + 2);
-                      if (currentPage <= 3) end = Math.min(totalPages, 5);
-                      if (currentPage >= totalPages - 2) start = Math.max(1, totalPages - 4);
-                      if (start > 1) pages.push('start-ellipsis');
-                      for (let p = start; p <= end; p++) pages.push(p);
-                      if (end < totalPages) pages.push('end-ellipsis');
-                      return pages.map((p) => (
-                        p === 'start-ellipsis' || p === 'end-ellipsis' ? (
-                          <li key={p} className="page-item disabled"><span className="page-link">…</span></li>
-                        ) : (
-                          <li key={p} className={`page-item${currentPage === p ? ' active' : ''}`}>
-                            <button className="page-link" onClick={() => setCurrentPage(p)} aria-label={`Страница ${p}`} aria-current={currentPage === p ? 'page' : undefined}>{p}</button>
-                          </li>
-                        )
-                      ));
-                    })()}
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(currentPage + 1)} disabled={currentPage === totalPages} aria-label="Следующая страница">
-                        <span className="d-none d-sm-inline me-1">Вперед</span>
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(totalPages)} disabled={currentPage === totalPages} aria-label="Последняя страница">
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                  </ul>
-                </div>
-              </div>
-            )}
+            <Pagination
+              currentPage={currentPage}
+              totalPages={totalPages}
+              totalItems={totalItems || filtered.length}
+              pageSize={pageSize}
+              onPageChange={setCurrentPage}
+            />
             <S3MetaBar keys={["asns"]} />
           </div>
         </div>

frontend/src/DomainsNewManager.jsx

@@ -46,6 +46,7 @@ import SavedFilters from './components/SavedFilters.jsx';
 import BulkActionsBar from './components/BulkActionsBar.jsx';
 import FormField from './components/FormField.jsx';
 import Tooltip from './components/Tooltip.jsx';
+import Pagination from './components/Pagination.jsx';
 import { useToast } from './components/ToastContainer.jsx';
 
 const API_URL = '/api';
@@ -954,87 +955,13 @@ function DomainsNewManager() {
             </div>
             )}
             {/* Пагинация */}
-            {totalPages > 1 && (
-              <div className="card-footer">
-                <div className="d-flex align-items-center justify-content-between flex-wrap gap-2">
-                  <div className="text-muted small">
-                    Показано <strong>{((currentPage - 1) * pageSize) + 1}</strong> - <strong>{((currentPage - 1) * pageSize) + paginatedItems.length}</strong> из <strong>{totalItems || filtered.length}</strong>
-                  </div>
-                  <ul className="pagination m-0">
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button 
-                        className="page-link" 
-                        onClick={() => setCurrentPage(1)} 
-                        disabled={currentPage === 1}
-                        aria-label="Первая страница"
-                      >
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button 
-                        className="page-link" 
-                        onClick={() => setCurrentPage(currentPage - 1)} 
-                        disabled={currentPage === 1}
-                        aria-label="Предыдущая страница"
-                      >
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                        <span className="d-none d-sm-inline ms-1">Назад</span>
-                      </button>
-                    </li>
-                    {(() => {
-                      const pages = [];
-                      let start = Math.max(1, currentPage - 2);
-                      let end = Math.min(totalPages, currentPage + 2);
-                      if (currentPage <= 3) end = Math.min(totalPages, 5);
-                      if (currentPage >= totalPages - 2) start = Math.max(1, totalPages - 4);
-                      if (start > 1) pages.push('start-ellipsis');
-                      for (let p = start; p <= end; p++) pages.push(p);
-                      if (end < totalPages) pages.push('end-ellipsis');
-                      return pages.map((p) => (
-                        p === 'start-ellipsis' || p === 'end-ellipsis' ? (
-                          <li key={p} className="page-item disabled">
-                            <span className="page-link">…</span>
-                          </li>
-                        ) : (
-                          <li key={p} className={`page-item${currentPage === p ? ' active' : ''}`}>
-                            <button 
-                              className="page-link" 
-                              onClick={() => setCurrentPage(p)}
-                              aria-label={`Страница ${p}`}
-                              aria-current={currentPage === p ? 'page' : undefined}
-                            >
-                              {p}
-                            </button>
-                          </li>
-                        )
-                      ));
-                    })()}
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button 
-                        className="page-link" 
-                        onClick={() => setCurrentPage(currentPage + 1)} 
-                        disabled={currentPage === totalPages}
-                        aria-label="Следующая страница"
-                      >
-                        <span className="d-none d-sm-inline me-1">Вперед</span>
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button 
-                        className="page-link" 
-                        onClick={() => setCurrentPage(totalPages)} 
-                        disabled={currentPage === totalPages}
-                        aria-label="Последняя страница"
-                      >
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                  </ul>
-                </div>
-              </div>
-            )}
+            <Pagination
+              currentPage={currentPage}
+              totalPages={totalPages}
+              totalItems={totalItems || filtered.length}
+              pageSize={pageSize}
+              onPageChange={setCurrentPage}
+            />
             <S3MetaBar keys={["domainsNew"]} />
           </div>
         </div>

frontend/src/FilterManager.jsx

@@ -32,44 +32,10 @@ import {
   IconWorld,
   IconFileText
 } from '@tabler/icons-react';
+import { normalizeGateways, countryToFlag } from './utils/serverUtils.js';
 
 const API_URL = '/api';
 
-// Нормализация шлюзов (аналог из ServerManager)
-const normalizeGateways = (gateways = [], fallbackName = '') => {
-  if (!Array.isArray(gateways)) return [];
-  const cleaned = gateways
-    .map((g, idx) => ({
-      id: g?.id || `${Date.now()}-${idx}`,
-      name: String(g?.name || '').trim(),
-      ip: String(g?.ip || '').trim(),
-      comment: String(g?.comment || '').trim(),
-      primary: Boolean(g?.primary),
-    }))
-    .filter(g => g.name || g.ip || g.comment);
-  if (cleaned.length === 0) {
-    return [{ id: `${Date.now()}-primary`, name: fallbackName || 'gateway', ip: '', comment: '', primary: true }];
-  }
-  let hasPrimary = false;
-  cleaned.forEach((g) => {
-    if (g.primary && !hasPrimary) {
-      hasPrimary = true;
-    } else {
-      g.primary = false;
-    }
-  });
-  if (!hasPrimary) cleaned[0].primary = true;
-  return cleaned;
-};
-
-const countryToFlag = (code) => {
-  if (!code || typeof code !== 'string') return '';
-  const cc = code.trim().toUpperCase();
-  if (cc.length !== 2) return '';
-  const codePoints = [...cc].map((c) => 0x1f1e6 - 65 + c.charCodeAt(0));
-  return String.fromCodePoint(...codePoints);
-};
-
 // Компонент автокомплита для выбора Community
 function CommunityAutocomplete({ label, value, onChange, communities = [], required = false, placeholder = 'Введите или выберите community...', baseAS = '65001' }) {
   const [inputValue, setInputValue] = useState(value || '');

frontend/src/IPRangesManager.jsx

@@ -42,6 +42,7 @@ import AccordionCard from './components/AccordionCard.jsx';
 import SavedFilters from './components/SavedFilters.jsx';
 import BulkActionsBar from './components/BulkActionsBar.jsx';
 import Tooltip from './components/Tooltip.jsx';
+import Pagination from './components/Pagination.jsx';
 
 const API_URL = '/api';
 
@@ -1132,58 +1133,13 @@ function IPRangesManager() {
             </div>
             )}
             {/* Пагинация */}
-            {totalPages > 1 && (
-              <div className="card-footer">
-                <div className="d-flex align-items-center justify-content-between flex-wrap gap-2">
-                  <div className="text-muted small">
-                    Показано <strong>{((currentPage - 1) * pageSize) + 1}</strong> - <strong>{((currentPage - 1) * pageSize) + paginatedItems.length}</strong> из <strong>{totalItems || filtered.length}</strong>
-                  </div>
-                  <ul className="pagination m-0">
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(1)} disabled={currentPage === 1} aria-label="Первая страница">
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(currentPage - 1)} disabled={currentPage === 1} aria-label="Предыдущая страница">
-                        <IconArrowUp size={14} style={{ transform: 'rotate(-90deg)' }} />
-                        <span className="d-none d-sm-inline ms-1">Назад</span>
-                      </button>
-                    </li>
-                    {(() => {
-                      const pages = [];
-                      let start = Math.max(1, currentPage - 2);
-                      let end = Math.min(totalPages, currentPage + 2);
-                      if (currentPage <= 3) end = Math.min(totalPages, 5);
-                      if (currentPage >= totalPages - 2) start = Math.max(1, totalPages - 4);
-                      if (start > 1) pages.push('start-ellipsis');
-                      for (let p = start; p <= end; p++) pages.push(p);
-                      if (end < totalPages) pages.push('end-ellipsis');
-                      return pages.map((p) => (
-                        p === 'start-ellipsis' || p === 'end-ellipsis' ? (
-                          <li key={p} className="page-item disabled"><span className="page-link">…</span></li>
-                        ) : (
-                          <li key={p} className={`page-item${currentPage === p ? ' active' : ''}`}>
-                            <button className="page-link" onClick={() => setCurrentPage(p)} aria-label={`Страница ${p}`} aria-current={currentPage === p ? 'page' : undefined}>{p}</button>
-                          </li>
-                        )
-                      ));
-                    })()}
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(currentPage + 1)} disabled={currentPage === totalPages} aria-label="Следующая страница">
-                        <span className="d-none d-sm-inline me-1">Вперед</span>
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                    <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
-                      <button className="page-link" onClick={() => setCurrentPage(totalPages)} disabled={currentPage === totalPages} aria-label="Последняя страница">
-                        <IconArrowDown size={14} style={{ transform: 'rotate(-90deg)' }} />
-                      </button>
-                    </li>
-                  </ul>
-                </div>
-              </div>
-            )}
+            <Pagination
+              currentPage={currentPage}
+              totalPages={totalPages}
+              totalItems={totalItems || filtered.length}
+              pageSize={pageSize}
+              onPageChange={setCurrentPage}
+            />
             <S3MetaBar keys={["ipRanges"]} />
           </div>
         </div>

frontend/src/ServerManager.jsx

@@ -25,49 +25,14 @@ import {
   IconWorld
 } from '@tabler/icons-react';
 import GraphView from './GraphView';
+import { 
+  makeGateway, 
+  normalizeGateways, 
+  needsGateways as NEEDS_GATEWAYS,
+  SERVER_TYPE_OPTIONS 
+} from './utils/serverUtils.js';
 
 const API_URL = '/api';
-const SERVER_TYPE_OPTIONS = [
-  { value: 'jumphost', label: 'Jumphost' },
-  { value: 'exit', label: 'Выходная нода' },
-];
-const NEEDS_GATEWAYS = (type) => ['jumphost', 'exit'].includes(String(type || '').toLowerCase());
-
-const makeGateway = (over = {}) => ({
-  id: `${Date.now()}-${Math.random().toString(16).slice(2, 8)}`,
-  name: '',
-  ip: '',
-  comment: '',
-  primary: false,
-  ...over,
-});
-
-const normalizeGateways = (gateways = [], fallbackName = '') => {
-  if (!Array.isArray(gateways)) return [];
-  const cleaned = gateways
-    .map((g, idx) => ({
-      id: g?.id || `${Date.now()}-${idx}`,
-      name: String(g?.name || '').trim(),
-      ip: String(g?.ip || '').trim(),
-      comment: String(g?.comment || '').trim(),
-      primary: Boolean(g?.primary),
-    }))
-    .filter(g => g.name || g.ip || g.comment);
-  if (cleaned.length === 0) {
-    return [{ id: `${Date.now()}-primary`, name: fallbackName || 'gateway', ip: '', comment: '', primary: true }];
-  }
-  // ensure single primary
-  let hasPrimary = false;
-  cleaned.forEach((g, i) => {
-    if (g.primary && !hasPrimary) {
-      hasPrimary = true;
-    } else {
-      g.primary = false;
-    }
-  });
-  if (!hasPrimary) cleaned[0].primary = true;
-  return cleaned;
-};
 
 function ServerManager() {
   const [servers, setServers] = useState([]);

frontend/src/utils/serverUtils.js

@@ -0,0 +1,131 @@
+/**
+ * Общие утилиты для работы с серверами и шлюзами
+ * Используется в ServerManager, FilterManager и других компонентах
+ */
+
+/**
+ * Создаёт объект шлюза с дефолтными значениями
+ * @param {Object} overrides - Переопределяемые поля
+ * @returns {Object} Объект шлюза
+ */
+export const makeGateway = (overrides = {}) => ({
+  id: `${Date.now()}-${Math.random().toString(16).slice(2, 8)}`,
+  name: '',
+  ip: '',
+  comment: '',
+  primary: false,
+  ...overrides,
+});
+
+/**
+ * Нормализует массив шлюзов: очищает, удаляет пустые, гарантирует один primary
+ * @param {Array} gateways - Массив шлюзов
+ * @param {string} fallbackName - Имя по умолчанию если массив пуст
+ * @returns {Array} Нормализованный массив шлюзов
+ */
+export const normalizeGateways = (gateways = [], fallbackName = '') => {
+  if (!Array.isArray(gateways)) return [];
+  
+  const cleaned = gateways
+    .map((g, idx) => ({
+      id: g?.id || `${Date.now()}-${idx}`,
+      name: String(g?.name || '').trim(),
+      ip: String(g?.ip || '').trim(),
+      comment: String(g?.comment || '').trim(),
+      primary: Boolean(g?.primary),
+    }))
+    .filter(g => g.name || g.ip || g.comment);
+  
+  if (cleaned.length === 0) {
+    return [{ 
+      id: `${Date.now()}-primary`, 
+      name: fallbackName || 'gateway', 
+      ip: '', 
+      comment: '', 
+      primary: true 
+    }];
+  }
+  
+  // Гарантируем только один primary
+  let hasPrimary = false;
+  cleaned.forEach((g) => {
+    if (g.primary && !hasPrimary) {
+      hasPrimary = true;
+    } else {
+      g.primary = false;
+    }
+  });
+  
+  if (!hasPrimary) {
+    cleaned[0].primary = true;
+  }
+  
+  return cleaned;
+};
+
+/**
+ * Конвертирует код страны в эмодзи флага
+ * @param {string} code - Двухбуквенный код страны (ISO 3166-1 alpha-2)
+ * @returns {string} Эмодзи флага или пустая строка
+ */
+export const countryToFlag = (code) => {
+  if (!code || typeof code !== 'string') return '';
+  const cc = code.trim().toUpperCase();
+  if (cc.length !== 2) return '';
+  const codePoints = [...cc].map((c) => 0x1f1e6 - 65 + c.charCodeAt(0));
+  return String.fromCodePoint(...codePoints);
+};
+
+/**
+ * Проверяет, требует ли тип сервера наличие шлюзов
+ * @param {string} type - Тип сервера
+ * @returns {boolean}
+ */
+export const needsGateways = (type) => {
+  return ['jumphost', 'exit'].includes(String(type || '').toLowerCase());
+};
+
+/**
+ * Константы типов серверов
+ */
+export const SERVER_TYPE_OPTIONS = [
+  { value: 'jumphost', label: 'Jumphost' },
+  { value: 'exit', label: 'Выходная нода' },
+];
+
+/**
+ * Типы туннелей
+ */
+export const TUNNEL_TYPES = ['GRE', 'IPSec', 'WireGuard', 'VXLAN', 'OpenVPN'];
+
+/**
+ * Генерирует уникальный ID
+ * @returns {string}
+ */
+export const generateId = () => {
+  return `${Date.now()}-${Math.random().toString(36).slice(2, 11)}`;
+};
+
+/**
+ * Нормализует community value (добавляет ASN если отсутствует)
+ * @param {string} value - Значение community
+ * @param {string} defaultASN - ASN по умолчанию
+ * @returns {string}
+ */
+export const normalizeCommunityValue = (value, defaultASN = '65001') => {
+  const trimmed = String(value || '').trim();
+  if (!trimmed) return '';
+  return trimmed.includes(':') ? trimmed : `${defaultASN}:${trimmed}`;
+};
+
+/**
+ * Извлекает короткую часть community (после двоеточия)
+ * @param {string} value - Полное значение community (например "65000:120")
+ * @returns {string} Короткая часть (например "120")
+ */
+export const getShortCommunityValue = (value) => {
+  const str = String(value || '').trim();
+  if (!str.includes(':')) return str;
+  return str.split(':')[1] || str;
+};
+