fix(server): remove connection stats feature (#1063)

lib/data/provider/server/all.dart

@@ -225,9 +225,6 @@ class ServersNotifier extends _$ServersNotifier {
     Stores.setting.serverOrder.put(newOrder);
     Stores.server.delete(id);
 
-    // Remove connection stats when server is deleted
-    Stores.connectionStats.clearServerStats(id);
-
     // Remove SSH session when server is deleted
     final sessionId = 'ssh_$id';
     TermSessionManager.remove(sessionId);
@@ -246,7 +243,6 @@ class ServersNotifier extends _$ServersNotifier {
 
     Stores.setting.serverOrder.put([]);
     Stores.server.clear();
-    Stores.connectionStats.clearAll();
     bakSync.sync(milliDelay: 1000);
   }
 

lib/data/provider/server/single.dart

@@ -13,7 +13,6 @@ import 'package:server_box/data/helper/system_detector.dart';
 import 'package:server_box/data/model/app/error.dart';
 import 'package:server_box/data/model/app/scripts/script_consts.dart';
 import 'package:server_box/data/model/app/scripts/shell_func.dart';
-import 'package:server_box/data/model/server/connection_stat.dart';
 import 'package:server_box/data/model/server/server.dart';
 import 'package:server_box/data/model/server/server_private_info.dart';
 import 'package:server_box/data/model/server/server_status_update_req.dart';
@@ -141,15 +140,6 @@ class ServerNotifier extends _$ServerNotifier {
           Loggers.app.info('Jump to ${spi.name} in $spentTime ms.');
         }
 
-        // Record successful connection
-        Stores.connectionStats.recordConnection(ConnectionStat(
-          serverId: spi.id,
-          serverName: spi.name,
-          timestamp: time1,
-          result: ConnectionResult.success,
-          durationMs: spentTime,
-        ));
-
         final sessionId = 'ssh_${spi.id}';
         TermSessionManager.add(
           id: sessionId,
@@ -161,29 +151,7 @@ class ServerNotifier extends _$ServerNotifier {
         TermSessionManager.setActive(sessionId, hasTerminal: false);
       } catch (e) {
         TryLimiter.inc(sid);
-        
-        // Determine connection failure type
-        ConnectionResult failureResult;
-        if (e.toString().contains('timeout') || e.toString().contains('Timeout')) {
-          failureResult = ConnectionResult.timeout;
-        } else if (e.toString().contains('auth') || e.toString().contains('Authentication')) {
-          failureResult = ConnectionResult.authFailed;
-        } else if (e.toString().contains('network') || e.toString().contains('Network')) {
-          failureResult = ConnectionResult.networkError;
-        } else {
-          failureResult = ConnectionResult.unknownError;
-        }
-        
-        // Record failed connection
-        Stores.connectionStats.recordConnection(ConnectionStat(
-          serverId: spi.id,
-          serverName: spi.name,
-          timestamp: DateTime.now(),
-          result: failureResult,
-          errorMessage: e.toString(),
-          durationMs: 0,
-        ));
-        
+
         final newStatus = state.status..err = SSHErr(type: SSHErrType.connect, message: e.toString());
         updateStatus(newStatus);
         updateConnection(ServerConn.failed);

lib/data/res/store.dart

@@ -17,6 +17,7 @@ abstract final class Stores {
   static PrivateKeyStore get key => getIt<PrivateKeyStore>();
   static SnippetStore get snippet => getIt<SnippetStore>();
   static HistoryStore get history => getIt<HistoryStore>();
+  // Keep the legacy box registered so existing connection stats DB files remain intact.
   static ConnectionStatsStore get connectionStats => getIt<ConnectionStatsStore>();
 
   /// All stores that need backup

lib/view/page/server/connection_stats.dart

@@ -1,341 +0,0 @@
-import 'dart:io';
-
-import 'package:fl_lib/fl_lib.dart';
-import 'package:flutter/material.dart';
-import 'package:server_box/core/extension/context/locale.dart';
-import 'package:server_box/data/model/server/connection_stat.dart';
-import 'package:server_box/data/res/store.dart';
-
-class ConnectionStatsPage extends StatefulWidget {
-  const ConnectionStatsPage({super.key});
-
-  static const route = AppRouteNoArg(page: ConnectionStatsPage.new, path: '/server/conn_stats');
-
-  @override
-  State<ConnectionStatsPage> createState() => _ConnectionStatsPageState();
-}
-
-class _ConnectionStatsPageState extends State<ConnectionStatsPage> {
-  List<ServerConnectionStats> _serverStats = [];
-  bool _isLoading = true;
-  bool _isCompacting = false;
-
-  @override
-  void initState() {
-    super.initState();
-    _loadStats();
-  }
-
-  void _loadStats() {
-    setState(() {
-      _isLoading = true;
-    });
-
-    final stats = Stores.connectionStats.getAllServerStats();
-    setState(() {
-      _serverStats = stats;
-      _isLoading = false;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: CustomAppBar(
-        title: Text(l10n.connectionStats),
-        actions: [
-          IconButton(onPressed: _loadStats, icon: const Icon(Icons.refresh), tooltip: libL10n.refresh),
-          IconButton(
-            onPressed: _showClearAllDialog,
-            icon: const Icon(Icons.clear_all, color: Colors.red),
-            tooltip: libL10n.clear,
-          ),
-          IconButton(
-            onPressed: _isCompacting ? null : _showCompactDialog,
-            icon: _isCompacting
-                ? SizedLoading.small
-                : const Icon(Icons.compress),
-            tooltip: l10n.compactDatabase,
-          ),
-        ],
-      ),
-      body: _buildBody,
-    );
-  }
-
-  Widget get _buildBody {
-    if (_isLoading) {
-      return const Center(child: SizedLoading.large);
-    }
-    if (_serverStats.isEmpty) {
-      return Center(child: Text(l10n.noConnectionStatsData));
-    }
-
-    return ListView.builder(
-      itemCount: _serverStats.length,
-      itemBuilder: (context, index) {
-        final stats = _serverStats[index];
-        return _buildServerStatsCard(stats);
-      },
-    );
-  }
-
-  Widget _buildServerStatsCard(ServerConnectionStats stats) {
-    final successRate = stats.totalAttempts == 0 ? 'N/A' : '${(stats.successRate * 100).toStringAsFixed(1)}%';
-    final lastSuccessTime = stats.lastSuccessTime;
-    final lastFailureTime = stats.lastFailureTime;
-
-    return Padding(
-      padding: const EdgeInsets.all(16),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Row(
-            children: [
-              Expanded(
-                child: Text(
-                  stats.serverName,
-                  style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
-                ),
-              ),
-              Text(
-                '${libL10n.success}: $successRate',
-                style: TextStyle(
-                  fontSize: 16,
-                  color: stats.successRate >= 0.8
-                      ? Colors.green
-                      : stats.successRate >= 0.5
-                      ? Colors.orange
-                      : Colors.red,
-                  fontWeight: FontWeight.bold,
-                ),
-              ),
-            ],
-          ),
-          const SizedBox(height: 12),
-          Row(
-            mainAxisAlignment: MainAxisAlignment.spaceAround,
-            children: [
-              _buildStatItem(libL10n.totalAttempts, stats.totalAttempts.toString(), Icons.all_inclusive),
-              _buildStatItem(
-                libL10n.success,
-                stats.successCount.toString(),
-                Icons.check_circle,
-                Colors.green,
-              ),
-              _buildStatItem(libL10n.fail, stats.failureCount.toString(), Icons.error, Colors.red),
-            ],
-          ),
-          if (lastSuccessTime != null || lastFailureTime != null) ...[
-            const SizedBox(height: 16),
-            const Divider(),
-            const SizedBox(height: 8),
-            if (lastSuccessTime != null)
-              _buildTimeItem(l10n.lastSuccess, lastSuccessTime, Icons.check_circle, Colors.green),
-            if (lastFailureTime != null)
-              _buildTimeItem(l10n.lastFailure, lastFailureTime, Icons.error, Colors.red),
-          ],
-          const SizedBox(height: 16),
-          Row(
-            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-            children: [
-              Text(l10n.recentConnections, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.bold)),
-              TextButton(onPressed: () => _showServerDetailsDialog(stats), child: Text(l10n.viewDetails)),
-            ],
-          ),
-          const SizedBox(height: 8),
-          ...stats.recentConnections.take(3).map(_buildConnectionItem),
-        ],
-      ),
-    ).cardx;
-  }
-
-  Widget _buildStatItem(String label, String value, IconData icon, [Color? color]) {
-    return Column(
-      children: [
-        Icon(icon, size: 24, color: color ?? Colors.grey),
-        const SizedBox(height: 4),
-        Text(
-          value,
-          style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: color),
-        ),
-        Text(label, style: TextStyle(fontSize: 12, color: Colors.grey[600])),
-      ],
-    );
-  }
-
-  Widget _buildTimeItem(String label, DateTime time, IconData icon, Color color) {
-    final timeStr = time.simple();
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 4),
-      child: Row(
-        children: [
-          Icon(icon, size: 16, color: color),
-          UIs.width7,
-          Text('$label: ', style: TextStyle(fontSize: 12, color: Colors.grey[600])),
-          Text(timeStr, style: const TextStyle(fontSize: 12)),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildConnectionItem(ConnectionStat stat) {
-    final timeStr = stat.timestamp.simple();
-    final isSuccess = stat.result.isSuccess;
-
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 2),
-      child: Row(
-        children: [
-          Icon(
-            isSuccess ? Icons.check_circle : Icons.error,
-            size: 16,
-            color: isSuccess ? Colors.green : Colors.red,
-          ),
-          UIs.width7,
-          Text(timeStr, style: const TextStyle(fontSize: 12)),
-          UIs.width7,
-          Expanded(
-            child: Text(
-              isSuccess ? '${libL10n.success} (${stat.durationMs}ms)' : stat.result.displayName,
-              style: TextStyle(fontSize: 12, color: isSuccess ? Colors.green : Colors.red),
-              overflow: TextOverflow.ellipsis,
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showCompactDialog() {
-    final path = '${Paths.doc}${Pfs.seperator}connection_stats_enc.hive';
-    final file = File(path);
-    final oldSize = file.existsSync() ? file.lengthSync() : 0;
-    final sizeStr = oldSize < 1000 ? '$oldSize B' : oldSize < 1000 * 1000 ? '${(oldSize / 1000).toStringAsFixed(1)} KB' : '${(oldSize / (1000 * 1000)).toStringAsFixed(1)} MB';
-
-    context.showRoundDialog(
-      title: l10n.compactDatabase,
-      child: Text(l10n.compactDatabaseContent(sizeStr)),
-      actions: [
-        TextButton(onPressed: context.pop, child: Text(libL10n.cancel)),
-        TextButton(
-          onPressed: () async {
-            context.pop();
-            setState(() => _isCompacting = true);
-            try {
-              await Stores.connectionStats.compact();
-              final newSize = file.existsSync() ? file.lengthSync() : 0;
-              final newSizeStr = newSize < 1000 ? '$newSize B' : newSize < 1000 * 1000 ? '${(newSize / 1000).toStringAsFixed(1)} KB' : '${(newSize / (1000 * 1000)).toStringAsFixed(1)} MB';
-              if (mounted) {
-                setState(() => _isCompacting = false);
-                context.showSnackBar('${libL10n.success}: $sizeStr -> $newSizeStr');
-              }
-            } catch (e) {
-               if (mounted) {
-                 setState(() => _isCompacting = false);
-                 context.showSnackBar('${libL10n.error}: $e');
-               }
-             }
-          },
-          child: Text(libL10n.confirm),
-        ),
-      ],
-    );
-  }
-}
-
-extension on _ConnectionStatsPageState {
-  void _showServerDetailsDialog(ServerConnectionStats stats) {
-    context.showRoundDialog(
-      title: '${stats.serverName} - ${l10n.connectionDetails}',
-      child: SizedBox(
-        width: double.maxFinite,
-        height: MediaQuery.sizeOf(context).height * 0.7,
-        child: ListView.separated(
-          itemCount: stats.recentConnections.length,
-          separatorBuilder: (context, index) => const Divider(),
-          itemBuilder: (context, index) {
-            final stat = stats.recentConnections[index];
-            final timeStr = stat.timestamp.simple();
-            final isSuccess = stat.result.isSuccess;
-
-            return ListTile(
-              contentPadding: EdgeInsets.zero,
-              leading: Icon(
-                isSuccess ? Icons.check_circle : Icons.error,
-                color: isSuccess ? Colors.green : Colors.red,
-              ),
-              title: Text(timeStr),
-              subtitle: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Text(
-                    isSuccess
-                        ? '${libL10n.success} (${stat.durationMs}ms)'
-                        : '${libL10n.fail}: ${stat.result.displayName}',
-                    style: TextStyle(color: isSuccess ? Colors.green : Colors.red),
-                  ),
-                  if (!isSuccess && stat.errorMessage.isNotEmpty)
-                    Text(
-                      stat.errorMessage,
-                      style: const TextStyle(fontSize: 11, color: Colors.grey),
-                      maxLines: 2,
-                      overflow: TextOverflow.ellipsis,
-                    ),
-                ],
-              ),
-            );
-          },
-        ),
-      ),
-      actions: [
-        TextButton(onPressed: context.pop, child: Text(libL10n.close)),
-        TextButton(
-          onPressed: () {
-            Navigator.of(context).pop();
-            _showClearServerStatsDialog(stats);
-          },
-          child: Text(l10n.clearThisServerStats, style: TextStyle(color: Colors.red)),
-        ),
-      ],
-    );
-  }
-
-  void _showClearAllDialog() {
-    context.showRoundDialog(
-      title: l10n.clearAllStatsTitle,
-      child: Text(l10n.clearAllStatsContent),
-      actions: [
-        TextButton(onPressed: context.pop, child: Text(libL10n.cancel)),
-        CountDownBtn(
-          onTap: () {
-            context.pop();
-            Stores.connectionStats.clearAll();
-            _loadStats();
-          },
-          text: libL10n.ok,
-          afterColor: Colors.red,
-        ),
-      ],
-    );
-  }
-
-  void _showClearServerStatsDialog(ServerConnectionStats stats) {
-    context.showRoundDialog(
-      title: l10n.clearServerStatsTitle(stats.serverName),
-      child: Text(l10n.clearServerStatsContent(stats.serverName)),
-      actions: [
-        TextButton(onPressed: context.pop, child: Text(libL10n.cancel)),
-        CountDownBtn(
-          onTap: () {
-            context.pop();
-            Stores.connectionStats.clearServerStats(stats.serverId);
-            _loadStats();
-          },
-          text: libL10n.ok,
-          afterColor: Colors.red,
-        ),
-      ],
-    );
-  }
-}

lib/view/page/server/tab/tab.dart

@@ -21,7 +21,6 @@ import 'package:server_box/data/provider/server/all.dart';
 import 'package:server_box/data/provider/server/single.dart';
 import 'package:server_box/data/res/build_data.dart';
 import 'package:server_box/data/res/store.dart';
-import 'package:server_box/view/page/server/connection_stats.dart';
 import 'package:server_box/view/page/server/detail/view.dart';
 import 'package:server_box/view/page/server/edit/edit.dart';
 import 'package:server_box/view/page/setting/entry.dart';

lib/view/page/server/tab/top_bar.dart

@@ -42,10 +42,7 @@ final class _TopBar extends ConsumerWidget implements PreferredSizeWidget {
       }
       final total = order.length;
       final connectionText = '$connected/$total ${context.libL10n.conn}';
-      leading = InkWell(
-        onTap: () => ConnectionStatsPage.route.go(context),
-        child: Text(connectionText, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
-      );
+      leading = Text(connectionText, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600));
     }
 
     return Padding(

lib/view/page/setting/entries/server.dart

@@ -9,7 +9,6 @@ extension _Server on _AppSettingsPageState {
         _buildNetViewType(),
         _buildServerSeq(),
         _buildServerDetailCardSeq(),
-        _buildConnectionStats(),
         _buildDeleteServers(),
         _buildCpuView(),
         _buildServerMore(),
@@ -39,18 +38,6 @@ extension _Server on _AppSettingsPageState {
     );
   }
 
-  Widget _buildConnectionStats() {
-    return ListTile(
-      leading: const Icon(Icons.analytics, size: _kIconSize),
-      title: Text(l10n.connectionStats),
-      subtitle: Text(l10n.connectionStatsDesc),
-      trailing: const Icon(Icons.keyboard_arrow_right),
-      onTap: () {
-        ConnectionStatsPage.route.go(context);
-      },
-    );
-  }
-
   Widget _buildDeleteServers() {
     return ListTile(
       title: Text(l10n.deleteServers),

lib/view/page/setting/entry.dart

@@ -18,7 +18,6 @@ import 'package:server_box/data/store/setting.dart';
 import 'package:server_box/generated/l10n/l10n.dart';
 import 'package:server_box/view/page/backup.dart';
 import 'package:server_box/view/page/private_key/list.dart';
-import 'package:server_box/view/page/server/connection_stats.dart';
 import 'package:server_box/view/page/setting/entries/home_tabs.dart';
 import 'package:server_box/view/page/setting/platform/ios.dart';
 import 'package:server_box/view/page/setting/platform/platform_pub.dart';