Mongodb stats

lib/core/database/mongodb_connection.dart

@@ -98,10 +98,13 @@ class MongoConnection {
 
   /// Disconnects from MongoDB server.
   Future<void> disconnect() async {
-    if (_db != null && _isConnected) {
-      await _db!.close();
-      _db = null;
-      _isConnected = false;
+    _isConnected = false;
+    final db = _db;
+    _db = null;
+    try {
+      await db?.close();
+    } catch (_) {
+      // Connection may already be closed — ignore.
     }
   }
 
@@ -119,7 +122,9 @@ class MongoConnection {
 
     try {
       // Switch to admin database to list all databases
-      final adminUri = buildConnectionUri().replaceAll(RegExp(r'/[^/?]*(\?|$)'), '/admin\$1');
+      final baseUri = buildConnectionUri();
+      final uri = Uri.parse(baseUri);
+      final adminUri = uri.replace(path: '/admin').toString();
       final adminDb = await Db.create(adminUri);
       await adminDb.open();
       try {
@@ -147,7 +152,9 @@ class MongoConnection {
 
     try {
       // Create a new Db connection to the specified database
-      final dbUri = buildConnectionUri().replaceAll(RegExp(r'/[^/?]*(\?|$)'), '/$databaseName\$1');
+      final baseUri = buildConnectionUri();
+      final uri = Uri.parse(baseUri);
+      final dbUri = uri.replace(path: '/$databaseName').toString();
       final db = await Db.create(dbUri);
       await db.open();
       try {

lib/core/database/mongodb_service.dart

@@ -10,14 +10,23 @@ class MongoService {
 
   final Map<int, MongoConnection> _connections = {};
 
-  /// Creates a MongoDB connection from ConnectionRow.
+  /// Creates (or replaces) a [MongoConnection] for the given [ConnectionRow].
+  /// If a connection with the same ID already exists it is disconnected first.
   MongoConnection createConnection(ConnectionRow row) {
     if (row.type != 'mongodb') {
       throw ArgumentError('Connection type must be mongodb');
     }
 
+    final id = row.id ?? 0;
+
+    // Disconnect previous connection for this ID, if any.
+    final existing = _connections[id];
+    if (existing != null) {
+      existing.disconnect(); // fire-and-forget; disconnect is safe
+    }
+
     final connection = MongoConnection(
-      id: row.id ?? 0,
+      id: id,
       name: row.name,
       host: row.host ?? 'localhost',
       port: row.port ?? 27017,
@@ -67,7 +76,9 @@ class MongoService {
     }
 
     // Create a new Db connection to the specified database
-    final dbUri = connection.buildConnectionUri().replaceAll(RegExp(r'/[^/?]*(\?|$)'), '/$database\$1');
+    final baseUri = connection.buildConnectionUri();
+    final uri = Uri.parse(baseUri);
+    final dbUri = uri.replace(path: '/$database').toString();
     final db = await Db.create(dbUri);
     await db.open();
     try {
@@ -94,7 +105,9 @@ class MongoService {
     }
 
     // Create a new Db connection to the specified database
-    final dbUri = connection.buildConnectionUri().replaceAll(RegExp(r'/[^/?]*(\?|$)'), '/$database\$1');
+    final baseUri = connection.buildConnectionUri();
+    final uri = Uri.parse(baseUri);
+    final dbUri = uri.replace(path: '/$database').toString();
     final db = await Db.create(dbUri);
     await db.open();
     try {
@@ -133,7 +146,9 @@ class MongoService {
     }
 
     // Create a new Db connection to the specified database
-    final dbUri = connection.buildConnectionUri().replaceAll(RegExp(r'/[^/?]*(\?|$)'), '/$database\$1');
+    final baseUri = connection.buildConnectionUri();
+    final uri = Uri.parse(baseUri);
+    final dbUri = uri.replace(path: '/$database').toString();
     final db = await Db.create(dbUri);
     await db.open();
     try {

lib/features/main_screen/workspace_panel.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart' as material show Container, EdgeInsets, B
 import 'package:querya_desktop/core/storage/local_db.dart';
 import 'package:querya_desktop/shared/widgets/widgets.dart';
 
-import 'package:querya_desktop/features/mongodb/mongo_databases_view.dart';
+import 'package:querya_desktop/features/mongodb/mongo_stats_view.dart';
 import 'package:querya_desktop/features/redis/redis_view.dart';
 import 'query_editor_tab.dart';
 import 'results_tab.dart';
@@ -30,12 +30,17 @@ class _WorkspacePanelState extends State<WorkspacePanel> {
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
 
-    // If a MongoDB connection is selected, show the databases view
+    // If a MongoDB connection is selected, show the stats view
     if (widget.activeConnection != null &&
         widget.activeConnection!.type == 'mongodb') {
-      return MongoDatabasesView(
-        key: ValueKey(widget.activeConnection!.id),
-        connectionRow: widget.activeConnection!,
+      return material.Container(
+        color: theme.colorScheme.background,
+        child: material.SizedBox.expand(
+          child: MongoStatsView(
+            key: ValueKey(widget.activeConnection!.id),
+            connectionRow: widget.activeConnection!,
+          ),
+        ),
       );
     }