Added Proxy Configuration

lib/models/settings_model.dart

@@ -17,6 +17,7 @@ class SettingsModel {
     this.historyRetentionPeriod = HistoryRetentionPeriod.oneWeek,
     this.workspaceFolderPath,
     this.isSSLDisabled = false,
+    this.proxySettings = const ProxySettings(),
   });
 
   final bool isDark;
@@ -32,6 +33,9 @@ class SettingsModel {
   final String? workspaceFolderPath;
   final bool isSSLDisabled;
 
+  // Proxy settings
+  final ProxySettings? proxySettings;
+
   SettingsModel copyWith({
     bool? isDark,
     bool? alwaysShowCollectionPaneScrollbar,
@@ -45,22 +49,24 @@ class SettingsModel {
     HistoryRetentionPeriod? historyRetentionPeriod,
     String? workspaceFolderPath,
     bool? isSSLDisabled,
+    ProxySettings? proxySettings,
   }) {
     return SettingsModel(
       isDark: isDark ?? this.isDark,
       alwaysShowCollectionPaneScrollbar: alwaysShowCollectionPaneScrollbar ??
           this.alwaysShowCollectionPaneScrollbar,
       size: size ?? this.size,
+      offset: offset ?? this.offset,
       defaultUriScheme: defaultUriScheme ?? this.defaultUriScheme,
       defaultCodeGenLang: defaultCodeGenLang ?? this.defaultCodeGenLang,
-      offset: offset ?? this.offset,
       saveResponses: saveResponses ?? this.saveResponses,
       promptBeforeClosing: promptBeforeClosing ?? this.promptBeforeClosing,
       activeEnvironmentId: activeEnvironmentId ?? this.activeEnvironmentId,
       historyRetentionPeriod:
           historyRetentionPeriod ?? this.historyRetentionPeriod,
       workspaceFolderPath: workspaceFolderPath ?? this.workspaceFolderPath,
       isSSLDisabled: isSSLDisabled ?? this.isSSLDisabled,
+      proxySettings: proxySettings,
     );
   }
 
@@ -71,15 +77,16 @@ class SettingsModel {
       isDark: isDark,
       alwaysShowCollectionPaneScrollbar: alwaysShowCollectionPaneScrollbar,
       size: size,
+      offset: offset,
       defaultUriScheme: defaultUriScheme,
       defaultCodeGenLang: defaultCodeGenLang,
-      offset: offset,
       saveResponses: saveResponses,
       promptBeforeClosing: promptBeforeClosing,
       activeEnvironmentId: activeEnvironmentId,
       historyRetentionPeriod: historyRetentionPeriod,
       workspaceFolderPath: workspaceFolderPath,
       isSSLDisabled: isSSLDisabled,
+      proxySettings: proxySettings,
     );
   }
 
@@ -92,13 +99,16 @@ class SettingsModel {
     final dx = data["dx"] as double?;
     final dy = data["dy"] as double?;
     Size? size;
+
     if (width != null && height != null) {
       size = Size(width, height);
     }
     Offset? offset;
+
     if (dx != null && dy != null) {
       offset = Offset(dx, dy);
     }
+
     final defaultUriSchemeStr = data["defaultUriScheme"] as String?;
     SupportedUriSchemes? defaultUriScheme;
     if (defaultUriSchemeStr != null) {
@@ -109,6 +119,7 @@ class SettingsModel {
         // pass
       }
     }
+
     final defaultCodeGenLangStr = data["defaultCodeGenLang"] as String?;
     CodegenLanguage? defaultCodeGenLang;
     if (defaultCodeGenLangStr != null) {
@@ -119,6 +130,7 @@ class SettingsModel {
         // pass
       }
     }
+
     final saveResponses = data["saveResponses"] as bool?;
     final promptBeforeClosing = data["promptBeforeClosing"] as bool?;
     final activeEnvironmentId = data["activeEnvironmentId"] as String?;
@@ -132,9 +144,19 @@ class SettingsModel {
         // pass
       }
     }
+
     final workspaceFolderPath = data["workspaceFolderPath"] as String?;
     final isSSLDisabled = data["isSSLDisabled"] as bool?;
 
+    ProxySettings? proxySettings;
+    if (data["proxySettings"] != null) {
+      try {
+        proxySettings = ProxySettings.fromJson(Map<String, dynamic>.from(data["proxySettings"]));
+      } catch (e) {
+        // pass
+      }
+    }
+
     const sm = SettingsModel();
 
     return sm.copyWith(
@@ -151,6 +173,7 @@ class SettingsModel {
           historyRetentionPeriod ?? HistoryRetentionPeriod.oneWeek,
       workspaceFolderPath: workspaceFolderPath,
       isSSLDisabled: isSSLDisabled,
+      proxySettings: proxySettings,
     );
   }
 
@@ -170,6 +193,7 @@ class SettingsModel {
       "historyRetentionPeriod": historyRetentionPeriod.name,
       "workspaceFolderPath": workspaceFolderPath,
       "isSSLDisabled": isSSLDisabled,
+      "proxySettings": proxySettings?.toJson(),
     };
   }
 
@@ -194,7 +218,8 @@ class SettingsModel {
         other.activeEnvironmentId == activeEnvironmentId &&
         other.historyRetentionPeriod == historyRetentionPeriod &&
         other.workspaceFolderPath == workspaceFolderPath &&
-        other.isSSLDisabled == isSSLDisabled;
+        other.isSSLDisabled == isSSLDisabled &&
+        other.proxySettings == proxySettings;
   }
 
   @override
@@ -213,6 +238,7 @@ class SettingsModel {
       historyRetentionPeriod,
       workspaceFolderPath,
       isSSLDisabled,
+      proxySettings,
     );
   }
 }

lib/providers/collection_providers.dart

@@ -295,6 +295,7 @@ class CollectionStateNotifier
       substitutedHttpRequestModel,
       defaultUriScheme: defaultUriScheme,
       noSSL: noSSL,
+      proxySettings: ref.read(settingsProvider).proxySettings,
     );
 
     late final RequestModel newRequestModel;

lib/providers/settings_providers.dart

@@ -33,8 +33,10 @@ class ThemeStateNotifier extends StateNotifier<SettingsModel> {
     HistoryRetentionPeriod? historyRetentionPeriod,
     String? workspaceFolderPath,
     bool? isSSLDisabled,
+    ProxySettings? proxySettings,
   }) async {
-    state = state.copyWith(
+
+    final newState = state.copyWith(
       isDark: isDark,
       alwaysShowCollectionPaneScrollbar: alwaysShowCollectionPaneScrollbar,
       size: size,
@@ -47,7 +49,12 @@ class ThemeStateNotifier extends StateNotifier<SettingsModel> {
       historyRetentionPeriod: historyRetentionPeriod,
       workspaceFolderPath: workspaceFolderPath,
       isSSLDisabled: isSSLDisabled,
+      proxySettings: proxySettings,
     );
-    await setSettingsToSharedPrefs(state);
+
+    if (newState != state) {
+      state = newState;
+      await setSettingsToSharedPrefs(state);
+    }
   }
 }

lib/screens/settings_page.dart

@@ -50,6 +50,24 @@ class SettingsPage extends ConsumerWidget {
                   ref.read(settingsProvider.notifier).update(isDark: value);
                 },
               ),
+              SwitchListTile(
+                title: const Text('Proxy Settings'),
+                subtitle: Text(ref.watch(settingsProvider).proxySettings != null 
+                  ? 'Enabled - ${ref.watch(settingsProvider).proxySettings!.host}:${ref.watch(settingsProvider).proxySettings!.port}' 
+                  : 'Disabled'
+                ),
+                value: ref.watch(settingsProvider).proxySettings != null,
+                onChanged: (bool value) {
+                  if (!value) {
+                    ref.read(settingsProvider.notifier).update(proxySettings: null);
+                  } else {
+                    showDialog(
+                      context: context,
+                      builder: (context) => const ProxySettingsDialog(),
+                    );
+                  }
+                },
+              ),
               SwitchListTile(
                 hoverColor: kColorTransparent,
                 title: const Text('Collection Pane Scrollbar Visiblity'),

lib/widgets/dialog_proxy_settings.dart

@@ -0,0 +1,112 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:apidash_core/models/models.dart';
+import 'package:apidash/providers/settings_providers.dart';
+import 'package:apidash_design_system/apidash_design_system.dart';
+
+class ProxySettingsDialog extends ConsumerStatefulWidget {
+  const ProxySettingsDialog({super.key});
+
+  @override
+  ConsumerState<ProxySettingsDialog> createState() =>
+      _ProxySettingsDialogState();
+}
+
+class _ProxySettingsDialogState extends ConsumerState<ProxySettingsDialog> {
+  late TextEditingController _hostController;
+  late TextEditingController _portController;
+  late TextEditingController _usernameController;
+  late TextEditingController _passwordController;
+  late List<GenericFormField> _formFields;
+
+  @override
+  void initState() {
+    super.initState();
+    final settings = ref.read(settingsProvider);
+    final proxy = settings.proxySettings;
+    _hostController = TextEditingController(text: proxy?.host ?? '');
+    _portController = TextEditingController(text: proxy?.port ?? '');
+    _usernameController = TextEditingController(text: proxy?.username ?? '');
+    _passwordController = TextEditingController(text: proxy?.password ?? '');
+
+    _initFormFields();
+  }
+
+  void _initFormFields() {
+    _formFields = [
+      GenericFormField(
+        controller: _hostController,
+        labelText: 'Proxy Host',
+        hintText: 'e.g., localhost',
+        required: true,
+      ),
+      GenericFormField(
+        controller: _portController,
+        labelText: 'Proxy Port',
+        hintText: 'e.g., 8080',
+        required: true,
+      ),
+      GenericFormField(
+        controller: _usernameController,
+        labelText: 'Username',
+        hintText: 'Optional',
+      ),
+      GenericFormField(
+        controller: _passwordController,
+        labelText: 'Password',
+        hintText: 'Optional',
+        obscureText: true,
+      ),
+    ];
+  }
+
+  @override
+  void dispose() {
+    _hostController.dispose();
+    _portController.dispose();
+    _usernameController.dispose();
+    _passwordController.dispose();
+    super.dispose();
+  }
+
+  void _saveSettings() {
+    if (_hostController.text.isNotEmpty && _portController.text.isNotEmpty) {
+      final newProxy = ProxySettings(
+        host: _hostController.text,
+        port: _portController.text,
+        username: _usernameController.text.isEmpty ? null : _usernameController.text,
+        password: _passwordController.text.isEmpty ? null : _passwordController.text,
+      );
+      _updateProxySettings(newProxy);
+      Navigator.of(context).pop();
+    }
+    else{
+      _updateProxySettings(null);
+      Navigator.of(context).pop();
+    }
+  }
+
+  void _updateProxySettings(ProxySettings? newProxy) {
+    ref.read(settingsProvider.notifier).update(proxySettings: newProxy);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: const Text('Proxy Settings'),
+      content: SingleChildScrollView(
+        child: GenericForm(fields: _formFields),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Cancel'),
+        ),
+        TextButton(
+          onPressed: _saveSettings,
+          child: const Text('Save'),
+        ),
+      ],
+    );
+  }
+}

lib/widgets/widgets.dart

@@ -17,6 +17,7 @@ export 'dialog_about.dart';
 export 'dialog_history_retention.dart';
 export 'dialog_import.dart';
 export 'dialog_ok_cancel.dart';
+export 'dialog_proxy_settings.dart';
 export 'dialog_rename.dart';
 export 'dialog_text.dart';
 export 'drag_and_drop_area.dart';

packages/apidash_core/lib/models/models.dart

@@ -1,2 +1,3 @@
 export 'http_request_model.dart';
 export 'http_response_model.dart';
+export 'proxy_settings_model.dart';

packages/apidash_core/lib/models/proxy_settings_model.dart

@@ -0,0 +1,17 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'proxy_settings_model.freezed.dart';
+part 'proxy_settings_model.g.dart';
+
+@freezed
+class ProxySettings with _$ProxySettings {
+  const factory ProxySettings({
+    @Default('') String host,
+    @Default('') String port,
+    String? username,
+    String? password,
+  }) = _ProxySettings;
+
+  factory ProxySettings.fromJson(Map<String, dynamic> json) =>
+      _$ProxySettingsFromJson(json);
+}