feat: Add StatCard component to Dashboard and implement sorting, filtering, and pagination in DataManager

frontend/src/App.css

@@ -23,12 +23,6 @@
 }
 
 /* Custom hover effects */
-.card:hover {
-  transform: translateY(-2px);
-  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
-  transition: all 0.3s ease;
-}
-
 .btn:hover {
   transform: translateY(-1px);
   transition: all 0.2s ease;

frontend/src/App.jsx

@@ -12,7 +12,10 @@ import {
   IconActivity,
   IconBell,
   IconChevronDown,
-  IconUser
+  IconUser,
+  IconDatabase,
+  IconAlertTriangle,
+  IconAlertCircle
 } from '@tabler/icons-react';
 import DataManager from './DataManager';
 import './App.css';
@@ -151,9 +154,54 @@ function App() {
   );
 }
 
+function StatCard({ icon: Icon, color, value, title, subtitle }) {
+  return (
+    <div className="card h-100">
+      <div className="card-body d-flex align-items-center">
+        <span className={`avatar avatar-lg me-3 bg-${color}-lt text-${color} border-0`}>
+          <Icon size={32} />
+        </span>
+        <div>
+          <div className="h3 mb-0 fw-bold">{value} <span className="fs-5 fw-normal">{title}</span></div>
+          <div className="text-muted lh-1">{subtitle}</div>
+        </div>
+      </div>
+    </div>
+  );
+}
+
 function Dashboard() {
   return (
     <div>
+      <div className="row g-3 mb-4">
+        <div className="col-md-4">
+          <StatCard
+            icon={IconDatabase}
+            color="blue"
+            value={6}
+            title="Событий"
+            subtitle="Всего событий"
+          />
+        </div>
+        <div className="col-md-4">
+          <StatCard
+            icon={IconAlertTriangle}
+            color="red"
+            value={3}
+            title="Ошибок"
+            subtitle="Критические ошибки"
+          />
+        </div>
+        <div className="col-md-4">
+          <StatCard
+            icon={IconAlertCircle}
+            color="yellow"
+            value={0}
+            title="Предупреждений"
+            subtitle="Системные предупреждения"
+          />
+        </div>
+      </div>
       <div className="page-header d-print-none mb-4">
         <div className="row align-items-center">
           <div className="col">

frontend/src/DataManager.jsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useRef } from 'react';
 import axios from 'axios';
 import { 
   IconPlus, 
@@ -30,6 +30,12 @@ function DataManager({ entityName, entityKey, placeholder }) {
   const [loading, setLoading] = useState(false);
   const [showDeleteModal, setShowDeleteModal] = useState(false);
   const [itemToDelete, setItemToDelete] = useState(null);
+  const [currentPage, setCurrentPage] = useState(1);
+  const [sortField, setSortField] = useState('domain');
+  const [sortOrder, setSortOrder] = useState('asc');
+  const [filterType, setFilterType] = useState('');
+  const editInputRef = useRef(null);
+  const pageSize = 10;
 
   useEffect(() => {
     fetchItems();
@@ -122,10 +128,56 @@ function DataManager({ entityName, entityKey, placeholder }) {
     }
   };
 
-  const filteredItems = items.filter(i =>
+  // Сортировка
+  const sortedItems = [...items].sort((a, b) => {
+    let valA = a[sortField] || '';
+    let valB = b[sortField] || '';
+    if (typeof valA === 'string') valA = valA.toLowerCase();
+    if (typeof valB === 'string') valB = valB.toLowerCase();
+    if (valA < valB) return sortOrder === 'asc' ? -1 : 1;
+    if (valA > valB) return sortOrder === 'asc' ? 1 : -1;
+    return 0;
+  });
+
+  // Фильтрация по шлюзу
+  const filteredByType = filterType
+    ? sortedItems.filter(i => i.type === filterType)
+    : sortedItems;
+
+  // Поиск
+  const filteredItems = filteredByType.filter(i =>
     i.domain.toLowerCase().includes(searchTerm.toLowerCase())
   );
 
+  // Пагинация
+  const totalPages = Math.ceil(filteredItems.length / pageSize);
+  const paginatedItems = filteredItems.slice((currentPage - 1) * pageSize, currentPage * pageSize);
+
+  // Для фильтра - список всех уникальных шлюзов
+  const allTypes = Array.from(new Set(items.map(i => i.type)));
+
+  // Сортировка по клику
+  const handleSort = (field) => {
+    if (sortField === field) {
+      setSortOrder(sortOrder === 'asc' ? 'desc' : 'asc');
+    } else {
+      setSortField(field);
+      setSortOrder('asc');
+    }
+  };
+
+  // Улучшенный инлайн-редакт
+  useEffect(() => {
+    if (editingDomain && editInputRef.current) {
+      editInputRef.current.focus();
+    }
+  }, [editingDomain]);
+
+  const handleEditKeyDown = (e, domainName) => {
+    if (e.key === 'Enter') handleSaveEdit(domainName);
+    if (e.key === 'Escape') handleCancelEdit();
+  };
+
   return (
     <>
       {error && (
@@ -278,110 +330,105 @@ function DataManager({ entityName, entityKey, placeholder }) {
         </div>
 
         <div className="col-lg-8">
-          {/* Search and Table Card */}
           <div className="card">
-            <div className="card-header">
-              <h3 className="card-title">Список {entityName}</h3>
-              <div className="card-actions">
-                <div className="input-icon">
-                  <IconSearch className="icon" />
+            <div className="card-header d-flex justify-content-between align-items-center">
+              <h3 className="card-title mb-0">Список {entityName === 'домен' ? 'доменов' : entityName}</h3>
+              <div className="d-flex gap-2 w-50">
+                {/* Фильтр по шлюзу */}
+                <select className="form-select w-auto" value={filterType} onChange={e => { setFilterType(e.target.value); setCurrentPage(1); }}>
+                  <option value="">Все шлюзы</option>
+                  {allTypes.map(type => (
+                    <option key={type} value={type}>{type}</option>
+                  ))}
+                </select>
+                {/* Поиск */}
+                <div className="input-icon flex-grow-1">
+                  <span className="input-icon-addon">
+                    <IconSearch size={18} />
+                  </span>
                   <input
                     type="text"
                     className="form-control"
                     placeholder={`Поиск ${entityName}...`}
                     value={searchTerm}
-                    onChange={(e) => setSearchTerm(e.target.value)}
+                    onChange={e => { setSearchTerm(e.target.value); setCurrentPage(1); }}
                   />
                 </div>
               </div>
             </div>
-            <div className="card-body">
-              <div className="table-responsive">
-                <table className="table table-vcenter card-table">
-                  <thead>
-                    <tr>
-                      <th>{entityName}</th>
-                      <th>Шлюз</th>
-                      <th className="w-1"></th>
-                    </tr>
-                  </thead>
-                  <tbody>
-                    {filteredItems.map((item, index) => (
-                      <tr key={index}>
-                        <td>
-                          {editingDomain === item.domain ? (
+            <div className="table-responsive">
+              <table className="table card-table table-vcenter table-nowrap mb-0">
+                <thead>
+                  <tr>
+                    <th style={{cursor:'pointer'}} onClick={() => handleSort('domain')}>
+                      Домен
+                      {sortField === 'domain' && (
+                        <span className="ms-1">
+                          {sortOrder === 'asc' ? '▲' : '▼'}
+                        </span>
+                      )}
+                    </th>
+                    <th style={{cursor:'pointer'}} onClick={() => handleSort('type')}>
+                      Шлюз
+                      {sortField === 'type' && (
+                        <span className="ms-1">
+                          {sortOrder === 'asc' ? '▲' : '▼'}
+                        </span>
+                      )}
+                    </th>
+                    <th className="text-end"> </th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {paginatedItems.map((item) => (
+                    <tr key={item.domain} className={editingDomain === item.domain ? 'table-info' : ''}>
+                      <td>{item.domain}</td>
+                      <td><span className="badge bg-blue-lt text-blue">{item.type}</span></td>
+                      <td className="text-end">
+                        {editingDomain === item.domain ? (
+                          <>
                             <input
                               type="text"
-                              className="form-control form-control-sm"
-                              value={editingDomain}
-                              onChange={(e) => setEditingDomain(e.target.value)}
-                            />
-                          ) : (
-                            item.domain
-                          )}
-                        </td>
-                        <td>
-                          {editingDomain === item.domain ? (
-                            <input
-                              type="text"
-                              className="form-control form-control-sm"
+                              className="form-control d-inline-block w-auto me-2"
                               value={editingValue}
-                              onChange={(e) => setEditingValue(e.target.value)}
+                              ref={editInputRef}
+                              onChange={e => setEditingValue(e.target.value)}
+                              onKeyDown={e => handleEditKeyDown(e, item.domain)}
+                              style={{maxWidth: 120}}
                             />
-                          ) : (
-                            <span className="badge bg-blue-lt">{item.type}</span>
-                          )}
-                        </td>
-                        <td>
-                          {editingDomain === item.domain ? (
-                            <div className="btn-list">
-                              <button
-                                className="btn btn-sm btn-success"
-                                onClick={() => handleSaveEdit(item.domain)}
-                              >
-                                <IconCheck className="icon" />
-                              </button>
-                              <button
-                                className="btn btn-sm btn-secondary"
-                                onClick={handleCancelEdit}
-                              >
-                                <IconX className="icon" />
-                              </button>
-                            </div>
-                          ) : (
-                            <div className="btn-list">
-                              <button
-                                className="btn btn-sm btn-outline-primary"
-                                onClick={() => handleEdit(item)}
-                              >
-                                <IconEdit className="icon" />
-                              </button>
-                              <button
-                                className="btn btn-sm btn-outline-danger"
-                                onClick={() => confirmDelete(item)}
-                              >
-                                <IconTrash className="icon" />
-                              </button>
-                            </div>
-                          )}
-                        </td>
-                      </tr>
-                    ))}
-                  </tbody>
-                </table>
-              </div>
-              {filteredItems.length === 0 && (
-                <div className="empty">
-                  <div className="empty-img">
-                    <IconAlertTriangle className="icon" />
-                  </div>
-                  <p className="empty-title">Нет {entityName} для отображения</p>
-                  <p className="empty-subtitle text-muted">
-                    Добавьте первый {entityName} используя форму слева.
-                  </p>
-                </div>
-              )}
+                            <button className="btn btn-success btn-icon me-1" onClick={() => handleSaveEdit(item.domain)}><IconCheck size={18} /></button>
+                            <button className="btn btn-secondary btn-icon" onClick={handleCancelEdit}><IconX size={18} /></button>
+                          </>
+                        ) : (
+                          <>
+                            <button className="btn btn-outline-primary btn-icon me-1" onClick={() => handleEdit(item)}><IconEdit size={18} /></button>
+                            <button className="btn btn-outline-danger btn-icon" onClick={() => confirmDelete(item)}><IconTrash size={18} /></button>
+                          </>
+                        )}
+                      </td>
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
             </div>
+            {/* Пагинация */}
+            {totalPages > 1 && (
+              <div className="card-footer d-flex justify-content-center">
+                <ul className="pagination m-0">
+                  <li className={`page-item${currentPage === 1 ? ' disabled' : ''}`}>
+                    <button className="page-link" onClick={() => setCurrentPage(currentPage - 1)} tabIndex={-1} disabled={currentPage === 1}>&laquo;</button>
+                  </li>
+                  {Array.from({length: totalPages}, (_, i) => i + 1).map(page => (
+                    <li key={page} className={`page-item${currentPage === page ? ' active' : ''}`}>
+                      <button className="page-link" onClick={() => setCurrentPage(page)}>{page}</button>
+                    </li>
+                  ))}
+                  <li className={`page-item${currentPage === totalPages ? ' disabled' : ''}`}>
+                    <button className="page-link" onClick={() => setCurrentPage(currentPage + 1)} tabIndex={-1} disabled={currentPage === totalPages}>&raquo;</button>
+                  </li>
+                </ul>
+              </div>
+            )}
           </div>
         </div>
       </div>