feat: Implement server configuration management API and integrate server management features in FilterManager for enhanced server handling capabilities

backend/server.js

@@ -516,6 +516,138 @@ app.post('/api/filters/export-config', async (req, res) => {
     }
 });
 
+// --- Server Configs Routes ---
+
+// Get server configs list
+app.get('/api/server-configs', async (req, res) => {
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: 'server-configs.json',
+    };
+
+    try {
+        const data = await s3.getObject(params).promise();
+        const fileContent = data.Body.toString('utf-8');
+        let servers = [];
+        
+        try {
+            servers = JSON.parse(fileContent);
+            if (!Array.isArray(servers)) {
+                servers = [];
+            }
+        } catch (parseError) {
+            console.error('Error parsing server-configs.json:', parseError);
+            servers = [];
+        }
+        
+        res.json(servers);
+    } catch (error) {
+        if (error.code === 'NoSuchKey') {
+            res.json([]); // Return empty array if file does not exist
+        } else {
+            console.error(error);
+            res.status(500).send('Error reading server configs from S3');
+        }
+    }
+});
+
+// Update server configs list
+app.post('/api/server-configs', async (req, res) => {
+    const { servers } = req.body;
+    
+    // Validate servers structure
+    if (!Array.isArray(servers)) {
+        return res.status(400).send('Servers must be an array');
+    }
+    
+    // Validate each server has required fields
+    for (let i = 0; i < servers.length; i++) {
+        const server = servers[i];
+        if (!server.id || !server.name) {
+            return res.status(400).send(`Server at index ${i} is missing required fields`);
+        }
+    }
+
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: 'server-configs.json',
+        Body: JSON.stringify(servers, null, 2), // Pretty print JSON
+        ContentType: 'application/json',
+    };
+
+    try {
+        await s3.putObject(params).promise();
+        res.send('Server configs updated successfully');
+    } catch (error) {
+        console.error(error);
+        res.status(500).send('Error writing server configs to S3');
+    }
+});
+
+// Get specific server config
+app.get('/api/server-configs/:serverId', async (req, res) => {
+    const { serverId } = req.params;
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: `config-${serverId}.txt`,
+    };
+
+    try {
+        const data = await s3.getObject(params).promise();
+        const config = data.Body.toString('utf-8');
+        res.json({ config });
+    } catch (error) {
+        if (error.code === 'NoSuchKey') {
+            res.json({ config: '// Конфигурация не найдена' });
+        } else {
+            console.error(error);
+            res.status(500).send('Error reading server config from S3');
+        }
+    }
+});
+
+// Save specific server config
+app.post('/api/server-configs/:serverId', async (req, res) => {
+    const { serverId } = req.params;
+    const { config } = req.body;
+    
+    if (!config) {
+        return res.status(400).send('Config is required');
+    }
+
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: `config-${serverId}.txt`,
+        Body: config,
+        ContentType: 'text/plain',
+    };
+
+    try {
+        await s3.putObject(params).promise();
+        res.send('Server config saved successfully');
+    } catch (error) {
+        console.error(error);
+        res.status(500).send('Error writing server config to S3');
+    }
+});
+
+// Delete specific server config
+app.delete('/api/server-configs/:serverId', async (req, res) => {
+    const { serverId } = req.params;
+    const params = {
+        Bucket: BUCKET_NAME,
+        Key: `config-${serverId}.txt`,
+    };
+
+    try {
+        await s3.deleteObject(params).promise();
+        res.send('Server config deleted successfully');
+    } catch (error) {
+        console.error(error);
+        res.status(500).send('Error deleting server config from S3');
+    }
+});
+
 // The "catchall" handler: for any request that doesn't
 // match one above, send back React's index.html file.
 app.get('*', (req, res) => {