refactor: Update filter configuration generation and improve UI layout in FilterManager for better readability and consistency

backend/server.js

@@ -308,7 +308,7 @@ app.get('/api/filters/generate-config', async (req, res) => {
         }
 
         if (filters.length === 0) {
-            return res.json({ config: '// Нет фильтров для генерации конфигурации' });
+            return res.json({ config: '// No filters to generate configuration' });
         }
 
         // Group filters by gateway
@@ -320,10 +320,13 @@ app.get('/api/filters/generate-config', async (req, res) => {
             gatewayGroups[filter.gateway].push(filter.community);
         });
 
-        let config = '// Конфигурация фильтра frouting для MikroTik 7.14+\n';
-        config += '// Сгенерировано автоматически\n\n';
+        let config = '// Frouting filter configuration for MikroTik 7.14+\n';
+        config += '// Generated automatically\n';
+        config += `// Date: ${new Date().toISOString()}\n\n`;
 
-        Object.entries(gatewayGroups).forEach(([gateway, communities]) => {
+        // Если есть только один gateway, создаем простую конфигурацию
+        if (Object.keys(gatewayGroups).length === 1) {
+            const [gateway, communities] = Object.entries(gatewayGroups)[0];
             config += `if (\n`;
             communities.forEach((community, index) => {
                 config += `(bgp-communities includes ${community})`;
@@ -331,13 +334,37 @@ app.get('/api/filters/generate-config', async (req, res) => {
                     config += ` \nor `;
                 }
             });
-            config += `\n)\n{\n    set gw ${gateway}; accept;\n}\nelse\n{\n reject;\n}\n\n`;
-        });
+            config += `\n)\n{\n    set gw ${gateway}; accept;\n}\nelse\n{\n reject;\n}\n`;
+        } else {
+            // Если несколько gateway, создаем каскадную структуру
+            const gatewayEntries = Object.entries(gatewayGroups);
+            gatewayEntries.forEach(([gateway, communities], gatewayIndex) => {
+                if (gatewayIndex === 0) {
+                    config += `if (\n`;
+                } else {
+                    config += `else if (\n`;
+                }
+                
+                communities.forEach((community, index) => {
+                    config += `(bgp-communities includes ${community})`;
+                    if (index < communities.length - 1) {
+                        config += ` \nor `;
+                    }
+                });
+                config += `\n)\n{\n    set gw ${gateway}; accept;\n}`;
+                
+                if (gatewayIndex === gatewayEntries.length - 1) {
+                    config += `\nelse\n{\n reject;\n}\n`;
+                } else {
+                    config += `\n`;
+                }
+            });
+        }
 
         res.json({ config });
     } catch (error) {
         if (error.code === 'NoSuchKey') {
-            res.json({ config: '// Файл filters.json не найден' });
+            res.json({ config: '// filters.json file not found' });
         } else {
             console.error(error);
             res.status(500).send('Error generating configuration');
@@ -380,11 +407,13 @@ app.post('/api/filters/export-config', async (req, res) => {
             gatewayGroups[filter.gateway].push(filter.community);
         });
 
-        let config = '// Конфигурация фильтра frouting для MikroTik 7.14+\n';
-        config += '// Сгенерировано автоматически\n';
-        config += `// Дата: ${new Date().toISOString()}\n\n`;
+        let config = '// Frouting filter configuration for MikroTik 7.14+\n';
+        config += '// Generated automatically\n';
+        config += `// Date: ${new Date().toISOString()}\n\n`;
 
-        Object.entries(gatewayGroups).forEach(([gateway, communities]) => {
+        // Если есть только один gateway, создаем простую конфигурацию
+        if (Object.keys(gatewayGroups).length === 1) {
+            const [gateway, communities] = Object.entries(gatewayGroups)[0];
             config += `if (\n`;
             communities.forEach((community, index) => {
                 config += `(bgp-communities includes ${community})`;
@@ -392,8 +421,32 @@ app.post('/api/filters/export-config', async (req, res) => {
                     config += ` \nor `;
                 }
             });
-            config += `\n)\n{\n    set gw ${gateway}; accept;\n}\nelse\n{\n reject;\n}\n\n`;
-        });
+            config += `\n)\n{\n    set gw ${gateway}; accept;\n}\nelse\n{\n reject;\n}\n`;
+        } else {
+            // Если несколько gateway, создаем каскадную структуру
+            const gatewayEntries = Object.entries(gatewayGroups);
+            gatewayEntries.forEach(([gateway, communities], gatewayIndex) => {
+                if (gatewayIndex === 0) {
+                    config += `if (\n`;
+                } else {
+                    config += `else if (\n`;
+                }
+                
+                communities.forEach((community, index) => {
+                    config += `(bgp-communities includes ${community})`;
+                    if (index < communities.length - 1) {
+                        config += ` \nor `;
+                    }
+                });
+                config += `\n)\n{\n    set gw ${gateway}; accept;\n}`;
+                
+                if (gatewayIndex === gatewayEntries.length - 1) {
+                    config += `\nelse\n{\n reject;\n}\n`;
+                } else {
+                    config += `\n`;
+                }
+            });
+        }
 
         // Save configuration to S3
         const exportParams = {

frontend/src/FilterManager.jsx

@@ -405,35 +405,31 @@ function FilterManager() {
           <h3 className="card-title">Фильтры frouting ({filteredFilters.length})</h3>
         </div>
         <div className="table-responsive">
-          <table className="table table-vcenter card-table">
+          <table className="table table-vcenter table-sm card-table align-middle">
             <thead>
               <tr>
-                <th 
-                  className="cursor-pointer"
-                  onClick={() => handleSort('community')}
-                >
+                <th style={{width: '180px', whiteSpace: 'nowrap', verticalAlign: 'middle', fontWeight: 500, fontSize: '15px'}} className="cursor-pointer align-middle"
+                    onClick={() => handleSort('community')}>
                   Community
                   {sortField === 'community' && (
                     <IconChevronDown className={`ms-1 ${sortOrder === 'desc' ? 'rotate-180' : ''}`} />
                   )}
                 </th>
-                <th 
-                  className="cursor-pointer"
-                  onClick={() => handleSort('gateway')}
-                >
+                <th style={{width: '180px', whiteSpace: 'nowrap', verticalAlign: 'middle', fontWeight: 500, fontSize: '15px'}} className="cursor-pointer align-middle"
+                    onClick={() => handleSort('gateway')}>
                   Gateway
                   {sortField === 'gateway' && (
                     <IconChevronDown className={`ms-1 ${sortOrder === 'desc' ? 'rotate-180' : ''}`} />
                   )}
                 </th>
-                <th>Описание</th>
-                <th className="w-1">Действия</th>
+                <th style={{minWidth: '180px', maxWidth: '300px', verticalAlign: 'middle', fontWeight: 500, fontSize: '15px'}} className="align-middle">Описание</th>
+                <th className="w-1 align-middle text-end" style={{width: '110px'}}></th>
               </tr>
             </thead>
             <tbody>
               {filteredFilters.map((filter, index) => (
-                <tr key={index}>
-                  <td>
+                <tr key={index} style={{verticalAlign: 'middle', height: '48px'}}>
+                  <td className="align-middle font-monospace" style={{fontSize: '15px'}}>
                     {editingFilter === filter.community ? (
                       <input
                         ref={editInputRef}
@@ -448,12 +444,13 @@ function FilterManager() {
                           }
                         })}
                         onKeyDown={(e) => handleEditKeyDown(e, filter.community)}
+                        style={{minWidth: '120px'}}
                       />
                     ) : (
-                      <span className="font-monospace">{filter.community}</span>
+                      <span>{filter.community}</span>
                     )}
                   </td>
-                  <td>
+                  <td className="align-middle" style={{fontSize: '15px'}}>
                     {editingFilter === filter.community ? (
                       <input
                         type="text"
@@ -467,12 +464,13 @@ function FilterManager() {
                           }
                         })}
                         onKeyDown={(e) => handleEditKeyDown(e, filter.community)}
+                        style={{minWidth: '120px'}}
                       />
                     ) : (
-                      <span className="badge bg-primary">{filter.gateway}</span>
+                      <span className="badge bg-blue-lt text-blue" style={{fontSize: '15px', letterSpacing: '0.5px'}}>{filter.gateway}</span>
                     )}
                   </td>
-                  <td>
+                  <td className="align-middle text-muted" style={{fontSize: '14px', maxWidth: '300px', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap'}}>
                     {editingFilter === filter.community ? (
                       <input
                         type="text"
@@ -486,13 +484,14 @@ function FilterManager() {
                           }
                         })}
                         onKeyDown={(e) => handleEditKeyDown(e, filter.community)}
+                        style={{minWidth: '120px'}}
                       />
                     ) : (
                       <span>{filter.description}</span>
                     )}
                   </td>
-                  <td>
-                    <div className="btn-list">
+                  <td className="align-middle text-end" style={{paddingRight: '0.5rem'}}>
+                    <div className="btn-list mb-0" style={{gap: '0.25rem'}}>
                       {editingFilter === filter.community ? (
                         <>
                           <button