feat: support more configurations (#281)

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

@@ -30,6 +30,8 @@ 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;
 
   HttpConfig();
@@ -41,6 +43,7 @@ class HttpConfig {
 
 @JsonSerializable()
 class BtConfig {
+  int listenPort = 0;
   List<String> trackers = [];
 
   BtConfig();

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

@@ -33,19 +33,23 @@ Map<String, dynamic> _$ProtocolConfigToJson(ProtocolConfig instance) =>
       'bt': instance.bt.toJson(),
     };
 
-HttpConfig _$HttpConfigFromJson(Map<String, dynamic> json) =>
-    HttpConfig()..connections = json['connections'] as int;
+HttpConfig _$HttpConfigFromJson(Map<String, dynamic> json) => HttpConfig()
+  ..userAgent = json['userAgent'] as String
+  ..connections = json['connections'] as int;
 
 Map<String, dynamic> _$HttpConfigToJson(HttpConfig instance) =>
     <String, dynamic>{
+      'userAgent': instance.userAgent,
       'connections': instance.connections,
     };
 
 BtConfig _$BtConfigFromJson(Map<String, dynamic> json) => BtConfig()
+  ..listenPort = json['listenPort'] as int
   ..trackers =
       (json['trackers'] as List<dynamic>).map((e) => e as String).toList();
 
 Map<String, dynamic> _$BtConfigToJson(BtConfig instance) => <String, dynamic>{
+      'listenPort': instance.listenPort,
       'trackers': instance.trackers,
     };
 

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

@@ -315,6 +315,7 @@ class AppController extends GetxController with WindowListener, TrayListener {
         result.addAll(trackers);
       } catch (e) {
         logger.w("subscribe trackers fail, url: $u", e);
+        return;
       }
     }
     btExtConfig.subscribeTrackers.clear();

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

@@ -96,6 +96,24 @@ class SettingView extends GetView<SettingController> {
 
     // http config items start
     final httpConfig = downloaderCfg.value.protocolConfig.http;
+    final buildHttpUa =
+        _buildConfigItem('User-Agent', () => httpConfig.userAgent, (Key key) {
+      final uaController = TextEditingController(text: httpConfig.userAgent);
+      uaController.addListener(() async {
+        if (uaController.text.isNotEmpty &&
+            uaController.text != httpConfig.userAgent) {
+          httpConfig.userAgent = uaController.text;
+
+          await debounceSave();
+        }
+      });
+
+      return TextField(
+        key: key,
+        focusNode: FocusNode(),
+        controller: uaController,
+      );
+    });
     final buildHttpConnections = _buildConfigItem(
         'connections', () => httpConfig.connections.toString(), (Key key) {
       final connectionsController =
@@ -122,8 +140,32 @@ class SettingView extends GetView<SettingController> {
     });
 
     // bt config items start
+    final btConfig = downloaderCfg.value.protocolConfig.bt;
     final btExtConfig = downloaderCfg.value.extra.bt;
+    final buildBtListenPort = _buildConfigItem(
+        'port', () => btConfig.listenPort.toString(), (Key key) {
+      final listenPortController =
+          TextEditingController(text: btConfig.listenPort.toString());
+      listenPortController.addListener(() async {
+        if (listenPortController.text.isNotEmpty &&
+            listenPortController.text != btConfig.listenPort.toString()) {
+          btConfig.listenPort = int.parse(listenPortController.text);
 
+          await debounceSave();
+        }
+      });
+
+      return TextField(
+        key: key,
+        focusNode: FocusNode(),
+        controller: listenPortController,
+        keyboardType: TextInputType.number,
+        inputFormatters: [
+          FilteringTextInputFormatter.digitsOnly,
+          NumericalRangeFormatter(min: 0, max: 65535),
+        ],
+      );
+    });
     final buildBtTrackerSubscribeUrls = _buildConfigItem(
         'subscribeTracker',
         () => 'items'.trParams(
@@ -479,6 +521,7 @@ class SettingView extends GetView<SettingController> {
                         Card(
                             child: Column(
                           children: _addDivider([
+                            buildHttpUa(),
                             buildHttpConnections(),
                           ]),
                         )),
@@ -486,6 +529,7 @@ class SettingView extends GetView<SettingController> {
                         Card(
                             child: Column(
                           children: _addDivider([
+                            buildBtListenPort(),
                             buildBtTrackerSubscribeUrls(),
                             buildBtTrackers(),
                           ]),