feat: support use server time for file creation (#359)

ui/flutter/lib/api/model/downloader_config.dart

@@ -4,13 +4,16 @@ part 'downloader_config.g.dart';
 
 @JsonSerializable(explicitToJson: true)
 class DownloaderConfig {
-  String downloadDir = '';
-  int maxRunning = 0;
+  String downloadDir;
+  int maxRunning;
   ProtocolConfig protocolConfig = ProtocolConfig();
   ExtraConfig extra = ExtraConfig();
   ProxyConfig proxy = ProxyConfig();
 
-  DownloaderConfig();
+  DownloaderConfig({
+    this.downloadDir = '',
+    this.maxRunning = 0,
+  });
 
   factory DownloaderConfig.fromJson(Map<String, dynamic> json) =>
       _$DownloaderConfigFromJson(json);
@@ -31,11 +34,16 @@ class ProtocolConfig {
 
 @JsonSerializable()
 class HttpConfig {
-  String userAgent =
-      'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36';
-  int connections = 0;
+  String userAgent;
+  int connections;
+  bool useServerCtime;
 
-  HttpConfig();
+  HttpConfig({
+    this.userAgent =
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36',
+    this.connections = 16,
+    this.useServerCtime = false,
+  });
 
   factory HttpConfig.fromJson(Map<String, dynamic> json) =>
       _$HttpConfigFromJson(json);
@@ -69,13 +77,19 @@ class ExtraConfig {
 
 @JsonSerializable()
 class ProxyConfig {
-  bool enable = false;
-  String scheme = '';
-  String host = '';
-  String usr = '';
-  String pwd = '';
+  bool enable;
+  String scheme;
+  String host;
+  String usr;
+  String pwd;
 
-  ProxyConfig();
+  ProxyConfig({
+    this.enable = false,
+    this.scheme = '',
+    this.host = '',
+    this.usr = '',
+    this.pwd = '',
+  });
 
   factory ProxyConfig.fromJson(Map<String, dynamic> json) =>
       _$ProxyConfigFromJson(json);
@@ -85,13 +99,20 @@ class ProxyConfig {
 
 @JsonSerializable()
 class ExtraConfigBt {
-  List<String> trackerSubscribeUrls = [];
-  List<String> subscribeTrackers = [];
+  List<String> trackerSubscribeUrls;
+  List<String> subscribeTrackers;
+  bool autoUpdateTrackers;
   DateTime? lastTrackerUpdateTime;
 
-  List<String> customTrackers = [];
+  List<String> customTrackers;
 
-  ExtraConfigBt();
+  ExtraConfigBt({
+    this.trackerSubscribeUrls = const [],
+    this.subscribeTrackers = const [],
+    this.autoUpdateTrackers = true,
+    this.lastTrackerUpdateTime,
+    this.customTrackers = const [],
+  });
 
   factory ExtraConfigBt.fromJson(Map<String, dynamic> json) =>
       _$ExtraConfigBtFromJson(json);

ui/flutter/lib/api/model/downloader_config.g.dart

@@ -7,9 +7,10 @@ part of 'downloader_config.dart';
 // **************************************************************************
 
 DownloaderConfig _$DownloaderConfigFromJson(Map<String, dynamic> json) =>
-    DownloaderConfig()
-      ..downloadDir = json['downloadDir'] as String
-      ..maxRunning = json['maxRunning'] as int
+    DownloaderConfig(
+      downloadDir: json['downloadDir'] as String? ?? '',
+      maxRunning: json['maxRunning'] as int? ?? 0,
+    )
       ..protocolConfig = ProtocolConfig.fromJson(
           json['protocolConfig'] as Map<String, dynamic>?)
       ..extra = ExtraConfig.fromJson(json['extra'] as Map<String, dynamic>?)
@@ -35,14 +36,18 @@ Map<String, dynamic> _$ProtocolConfigToJson(ProtocolConfig instance) =>
       'bt': instance.bt.toJson(),
     };
 
-HttpConfig _$HttpConfigFromJson(Map<String, dynamic> json) => HttpConfig()
-  ..userAgent = json['userAgent'] as String
-  ..connections = json['connections'] as int;
+HttpConfig _$HttpConfigFromJson(Map<String, dynamic> json) => HttpConfig(
+      userAgent: json['userAgent'] as String? ??
+          'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36',
+      connections: json['connections'] as int? ?? 16,
+      useServerCtime: json['useServerCtime'] as bool? ?? false,
+    );
 
 Map<String, dynamic> _$HttpConfigToJson(HttpConfig instance) =>
     <String, dynamic>{
       'userAgent': instance.userAgent,
       'connections': instance.connections,
+      'useServerCtime': instance.useServerCtime,
     };
 
 BtConfig _$BtConfigFromJson(Map<String, dynamic> json) => BtConfig()
@@ -67,12 +72,13 @@ Map<String, dynamic> _$ExtraConfigToJson(ExtraConfig instance) =>
       'bt': instance.bt.toJson(),
     };
 
-ProxyConfig _$ProxyConfigFromJson(Map<String, dynamic> json) => ProxyConfig()
-  ..enable = json['enable'] as bool
-  ..scheme = json['scheme'] as String
-  ..host = json['host'] as String
-  ..usr = json['usr'] as String
-  ..pwd = json['pwd'] as String;
+ProxyConfig _$ProxyConfigFromJson(Map<String, dynamic> json) => ProxyConfig(
+      enable: json['enable'] as bool? ?? false,
+      scheme: json['scheme'] as String? ?? '',
+      host: json['host'] as String? ?? '',
+      usr: json['usr'] as String? ?? '',
+      pwd: json['pwd'] as String? ?? '',
+    );
 
 Map<String, dynamic> _$ProxyConfigToJson(ProxyConfig instance) =>
     <String, dynamic>{
@@ -84,24 +90,30 @@ Map<String, dynamic> _$ProxyConfigToJson(ProxyConfig instance) =>
     };
 
 ExtraConfigBt _$ExtraConfigBtFromJson(Map<String, dynamic> json) =>
-    ExtraConfigBt()
-      ..trackerSubscribeUrls = (json['trackerSubscribeUrls'] as List<dynamic>)
-          .map((e) => e as String)
-          .toList()
-      ..subscribeTrackers = (json['subscribeTrackers'] as List<dynamic>)
-          .map((e) => e as String)
-          .toList()
-      ..lastTrackerUpdateTime = json['lastTrackerUpdateTime'] == null
+    ExtraConfigBt(
+      trackerSubscribeUrls: (json['trackerSubscribeUrls'] as List<dynamic>?)
+              ?.map((e) => e as String)
+              .toList() ??
+          const [],
+      subscribeTrackers: (json['subscribeTrackers'] as List<dynamic>?)
+              ?.map((e) => e as String)
+              .toList() ??
+          const [],
+      autoUpdateTrackers: json['autoUpdateTrackers'] as bool? ?? true,
+      lastTrackerUpdateTime: json['lastTrackerUpdateTime'] == null
           ? null
-          : DateTime.parse(json['lastTrackerUpdateTime'] as String)
-      ..customTrackers = (json['customTrackers'] as List<dynamic>)
-          .map((e) => e as String)
-          .toList();
+          : DateTime.parse(json['lastTrackerUpdateTime'] as String),
+      customTrackers: (json['customTrackers'] as List<dynamic>?)
+              ?.map((e) => e as String)
+              .toList() ??
+          const [],
+    );
 
 Map<String, dynamic> _$ExtraConfigBtToJson(ExtraConfigBt instance) {
   final val = <String, dynamic>{
     'trackerSubscribeUrls': instance.trackerSubscribeUrls,
     'subscribeTrackers': instance.subscribeTrackers,
+    'autoUpdateTrackers': instance.autoUpdateTrackers,
   };
 
   void writeNotNull(String key, dynamic value) {

ui/flutter/lib/app/modules/app/controllers/app_controller.dart

@@ -95,6 +95,9 @@ class AppController extends GetxController with WindowListener, TrayListener {
 
     _initForegroundTask().onError((error, stackTrace) =>
         logger.w("initForegroundTask error", error, stackTrace));
+
+    _initTrackerUpdate().onError((error, stackTrace) =>
+        logger.w("initTrackerUpdate error", error, stackTrace));
   }
 
   @override
@@ -357,12 +360,13 @@ class AppController extends GetxController with WindowListener, TrayListener {
     btConfig.trackers.toSet().toList();
   }
 
-  Future<void> trackerUpdateOnStart() async {
+  Future<void> _initTrackerUpdate() async {
     final btExtConfig = downloaderConfig.value.extra.bt;
     final lastUpdateTime = btExtConfig.lastTrackerUpdateTime;
     // if last update time is null or more than 1 day, update trackers
-    if (lastUpdateTime == null ||
-        lastUpdateTime.difference(DateTime.now()).inDays < 0) {
+    if (btExtConfig.autoUpdateTrackers &&
+        (lastUpdateTime == null ||
+            lastUpdateTime.difference(DateTime.now()).inDays < 0)) {
       try {
         await trackerUpdate();
       } catch (e) {
@@ -386,9 +390,6 @@ class AppController extends GetxController with WindowListener, TrayListener {
 
   _initDownloaderConfig() async {
     final config = downloaderConfig.value;
-    if (config.protocolConfig.http.connections == 0) {
-      config.protocolConfig.http.connections = 16;
-    }
     final extra = config.extra;
     if (extra.themeMode.isEmpty) {
       extra.themeMode = ThemeMode.dark.name;

ui/flutter/lib/app/modules/setting/views/setting_view.dart

@@ -138,6 +138,22 @@ class SettingView extends GetView<SettingController> {
         ],
       );
     });
+    final buildHttpUseServerCtime = _buildConfigItem(
+        'useServerCtime'.tr, () => httpConfig.useServerCtime.toString(),
+        (Key key) {
+      return Container(
+        alignment: Alignment.centerLeft,
+        child: Switch(
+          value: httpConfig.useServerCtime,
+          onChanged: (bool value) {
+            downloaderCfg.update((val) {
+              val!.protocolConfig.http.useServerCtime = value;
+            });
+            debounceSave();
+          },
+        ),
+      );
+    });
 
     // bt config items start
     final btConfig = downloaderCfg.value.protocolConfig.bt;
@@ -207,8 +223,13 @@ class SettingView extends GetView<SettingController> {
               Expanded(
                 child: SwitchListTile(
                     controlAffinity: ListTileControlAffinity.leading,
-                    value: true,
-                    onChanged: (bool value) {},
+                    value: btExtConfig.autoUpdateTrackers,
+                    onChanged: (bool value) {
+                      downloaderCfg.update((val) {
+                        val!.extra.bt.autoUpdateTrackers = value;
+                      });
+                      debounceSave();
+                    },
                     title: Text('updateDaily'.tr)),
               ),
             ],
@@ -676,6 +697,7 @@ class SettingView extends GetView<SettingController> {
                           children: _addDivider([
                             buildHttpUa(),
                             buildHttpConnections(),
+                            buildHttpUseServerCtime(),
                           ]),
                         )),
                         const Text('BitTorrent'),

ui/flutter/lib/i18n/langs/en_us.dart

@@ -5,6 +5,8 @@ const enUS = {
     'tip': 'Tip',
     'confirm': 'Confirm',
     'cancel': 'Cancel',
+    'on': 'On',
+    'off': 'Off',
     'selectAll': 'Select All',
     'task': 'Tasks',
     'downloading': 'downloading',
@@ -31,6 +33,7 @@ const enUS = {
     'downloadDir': 'Download Directory',
     'downloadDirValid': 'Please select the download directory',
     'connections': 'Connections',
+    'useServerCtime': 'Use server time for file creation',
     'maxRunning': 'Max Running Tasks',
     'items': '@count items',
     'subscribeTracker': 'Subscribe Tracker',

ui/flutter/lib/i18n/langs/zh_cn.dart

@@ -5,6 +5,8 @@ const zhCN = {
     'tip': '提示',
     'confirm': '确认',
     'cancel': '取消',
+    'on': '开启',
+    'off': '关闭',
     'selectAll': '全选',
     'task': '任务',
     'downloading': '下载中',
@@ -30,6 +32,7 @@ const zhCN = {
     'downloadDir': '下载目录',
     'downloadDirValid': '请选择下载目录',
     'connections': '连接数',
+    'useServerCtime': '创建文件使用服务器时间',
     'maxRunning': '最大下载数',
     'items': '@count 项',
     'subscribeTracker': '订阅 Tracker',

ui/flutter/lib/i18n/langs/zh_tw.dart

@@ -5,6 +5,8 @@ const zhTW = {
     'tip': '提示',
     'confirm': '確定',
     'cancel': '取消',
+    'on': '開啟',
+    'off': '關閉',
     'selectAll': '全選',
     'task': '任務',
     'downloading': '下載中',
@@ -30,6 +32,7 @@ const zhTW = {
     'downloadDir': '下載目録',
     'downloadDirValid': '請選擇下載目録',
     'connections': '同時連接數',
+    'useServerCtime': '使用伺服器時間作為檔案建立時間',
     'maxRunning': '最大同時下載數',
     'items': '@count 項',
     'subscribeTracker': '已訂閲的追蹤者列表',

ui/flutter/lib/main.dart

@@ -73,9 +73,6 @@ Future<void> init() async {
 }
 
 Future<void> onStart() async {
-  final appController = Get.find<AppController>();
-  await appController.trackerUpdateOnStart();
-
   // if is debug mode, check language message is complete,change debug locale to your comfortable language if you want
   if (kDebugMode) {
     final debugLang = getLocaleKey(debugLocale);