Fix Linting issues

.gitignore

@@ -51,3 +51,4 @@ app.*.map.json
 .fvm/
 .fvmrc
 .vscode/settings.json
+devtools_options.yaml

lib/common/data/repository/repository.dart

@@ -12,7 +12,7 @@ class Repository {
     int perPage = 15,
     int page = 1,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/speakers',
       queryParameters: {'per_page': perPage, 'page': page},
     );
@@ -24,13 +24,20 @@ class Repository {
       });
     }
 
-    return SpeakerResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return SpeakerResponse.fromJson(response.data!).data;
   }
 
   Future<List<Room>> fetchRooms({
     required String event,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/rooms',
     );
 
@@ -41,15 +48,29 @@ class Repository {
       });
     }
 
-    return RoomResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return RoomResponse.fromJson(response.data!).data;
   }
 
   Future<List<Session>> fetchSessions({
     required String event,
     int perPage = 20,
     int page = 1,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/sessions',
       queryParameters: {'per_page': perPage, 'page': page},
     );
@@ -61,6 +82,13 @@ class Repository {
       });
     }
 
-    return SessionResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return SessionResponse.fromJson(response.data!).data;
   }
 }

lib/common/network/api_helper.dart

@@ -12,6 +12,7 @@ abstract mixin class ApiHelper<T> {
     if (response.statusCode.success) {
       return true;
     } else {
+      // ignore: only_throw_errors
       throw DioExceptions;
     }
   }

lib/common/network/dio_exception.dart

@@ -4,48 +4,35 @@ import 'package:fluttercon/common/utils/constants/api_constants.dart';
 
 class DioExceptions implements Exception {
   DioExceptions.fromDioError(DioException dioException) {
-    switch (dioException.type) {
-      case DioExceptionType.cancel:
-        message = ApiConstants.cancelRequest;
-      case DioExceptionType.connectionTimeout:
-        message = ApiConstants.connectionTimeOut;
-      case DioExceptionType.receiveTimeout:
-        message = ApiConstants.receiveTimeOut;
-      case DioExceptionType.badResponse:
-        message = _handleError(
+    message = switch (dioException.type) {
+      DioExceptionType.cancel => ApiConstants.cancelRequest,
+      DioExceptionType.connectionTimeout => ApiConstants.connectionTimeOut,
+      DioExceptionType.receiveTimeout => ApiConstants.receiveTimeOut,
+      DioExceptionType.badResponse => _handleError(
           dioException.response?.statusCode,
           dioException.response?.data,
-        );
-      case DioExceptionType.sendTimeout:
-        message = ApiConstants.sendTimeOut;
-      case DioExceptionType.connectionError:
-        message = ApiConstants.socketException;
-      default:
-        message = ApiConstants.unknownError;
-        break;
-    }
+        ),
+      DioExceptionType.sendTimeout => ApiConstants.sendTimeOut,
+      DioExceptionType.connectionError => ApiConstants.socketException,
+      DioExceptionType.badCertificate ||
+      DioExceptionType.unknown =>
+        ApiConstants.unknownError,
+    };
   }
+
   late String message;
 
   String _handleError(int? statusCode, dynamic error) {
-    switch (statusCode) {
-      case 400:
-        return ApiConstants.badRequest;
-      case 401:
-        return ApiConstants.unauthorized;
-      case 403:
-        return ApiConstants.forbidden;
-      case 404:
-        return ApiConstants.notFound;
-      case 422:
-        return ApiConstants.duplicateEmail;
-      case 500:
-        return ApiConstants.internalServerError;
-      case 502:
-        return ApiConstants.badGateway;
-      default:
-        return ApiConstants.unknownError;
-    }
+    return switch (statusCode) {
+      400 => ApiConstants.badRequest,
+      401 => ApiConstants.unauthorized,
+      403 => ApiConstants.forbidden,
+      404 => ApiConstants.notFound,
+      422 => ApiConstants.duplicateEmail,
+      500 => ApiConstants.internalServerError,
+      502 => ApiConstants.badGateway,
+      _ => ApiConstants.unknownError
+    };
   }
 
   @override

lib/common/network/dio_interceptor.dart

@@ -5,10 +5,11 @@ import 'package:fluttercon/core/app_extension.dart';
 class DioInterceptor extends Interceptor {
   @override
   void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
+    final RequestOptions(:baseUrl, :path, :queryParameters) = options;
     logger('====================START====================');
     logger('HTTP method => ${options.method} ');
     logger(
-      'Request => ${options.baseUrl}${options.path}${options.queryParameters.format}',
+      'Request => $baseUrl$path${queryParameters.format}',
     );
     logger('Header  => ${options.headers}');
     return super.onRequest(options, handler);
@@ -23,7 +24,10 @@ class DioInterceptor extends Interceptor {
   }
 
   @override
-  void onResponse(Response response, ResponseInterceptorHandler handler) {
+  void onResponse(
+    Response<dynamic> response,
+    ResponseInterceptorHandler handler,
+  ) {
     logger('Response => StatusCode: ${response.statusCode}'); // Debug log
     logger('Response => Body: ${response.data}'); // Debug log
     return super.onResponse(response, handler);

lib/common/repository/repository.dart

@@ -12,7 +12,7 @@ class Repository {
     int perPage = 15,
     int page = 1,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/speakers',
       queryParameters: {'per_page': perPage, 'page': page},
     );
@@ -24,13 +24,20 @@ class Repository {
       });
     }
 
-    return SpeakerResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return SpeakerResponse.fromJson(response.data!).data;
   }
 
   Future<List<Room>> fetchRooms({
     required String event,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/rooms',
     );
 
@@ -41,15 +48,22 @@ class Repository {
       });
     }
 
-    return RoomResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return RoomResponse.fromJson(response.data!).data;
   }
 
   Future<List<Session>> fetchSessions({
     required String event,
     int perPage = 20,
     int page = 1,
   }) async {
-    final response = await dio.get(
+    final response = await dio.get<Map<String, dynamic>>(
       '/events/$event/sessions',
       queryParameters: {'per_page': perPage, 'page': page},
     );
@@ -61,6 +75,13 @@ class Repository {
       });
     }
 
-    return SessionResponse.fromJson(response.data as Map<String, dynamic>).data;
+    if (response.data == null) {
+      throw Exception({
+        'statusCode': response.statusCode,
+        'body': 'Data is null',
+      });
+    }
+
+    return SessionResponse.fromJson(response.data!).data;
   }
 }

lib/common/utils/app_util.dart

@@ -6,14 +6,9 @@ bool isDesktop = Platform.isWindows || Platform.isLinux || Platform.isMacOS;
 bool isMobile = Platform.isAndroid || Platform.isIOS || Platform.isFuchsia;
 
 String getThemeModeString(ThemeMode themeMode) {
-  switch (themeMode) {
-    case ThemeMode.light:
-      return 'Light';
-
-    case ThemeMode.dark:
-      return 'Dark';
-
-    default:
-      return 'System Theme';
-  }
+  return switch (themeMode) {
+    ThemeMode.light => 'Light',
+    ThemeMode.dark => 'Dark',
+    _ => 'System Theme'
+  };
 }

lib/common/widgets/bottom_nav/bottom_nav_bar.dart

@@ -5,7 +5,8 @@ import 'package:fluttercon/core/di/injectable.dart';
 import 'package:fluttercon/core/local_storage.dart';
 import 'package:fluttercon/core/theme/theme_colors.dart';
 
-/// Custom Bottom Navigation Bar that will handles the page to be displayed on the dashboard
+/// Custom Bottom Navigation Bar that will handles the page to be displayed on
+/// the dashboard
 class CustomBottomNavigationBar extends StatefulWidget {
   const CustomBottomNavigationBar({
     required this.selectedIndex,
@@ -15,7 +16,7 @@ class CustomBottomNavigationBar extends StatefulWidget {
   });
 
   final int selectedIndex;
-  final Function(int) onPageChange;
+  final void Function(int) onPageChange;
   final List<PageItem> pages;
 
   @override
@@ -64,18 +65,17 @@ class _CustomBottomNavigationBarState extends State<CustomBottomNavigationBar> {
   }
 
   // Handles double-tap to open the drawer
-  Future<void> _handleDoubleTap(BuildContext context) async {
+  void _handleDoubleTap(BuildContext context) {
     if (widget.selectedIndex != 0) return;
 
     if (bottomNavBarDoubleTapGestures == false) return;
 
-    final isDrawerOpen =
-        context.mounted ? Scaffold.of(context).isDrawerOpen : false;
+    final isDrawerOpen = Scaffold.of(context).isDrawerOpen;
 
     if (isDrawerOpen) {
-      if (context.mounted) Scaffold.of(context).closeDrawer();
+      Scaffold.of(context).closeDrawer();
     } else {
-      if (context.mounted) Scaffold.of(context).openDrawer();
+      Scaffold.of(context).openDrawer();
     }
   }
 

lib/common/widgets/text_scale_factor.dart

@@ -11,7 +11,7 @@ class TextScaleFactor extends StatelessWidget {
   Widget build(BuildContext context) {
     final mediaQuery = MediaQuery.of(context);
     return MediaQuery(
-      data: mediaQuery.copyWith(textScaler: const TextScaler.linear(1)),
+      data: mediaQuery.copyWith(textScaler: TextScaler.noScaling),
       child: child,
     );
   }

lib/core/app_extension.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 extension StringExtension on String {
   String get toCapital {
-    return "${this[0].toUpperCase()}${substring(1).toLowerCase()}";
+    return '${this[0].toUpperCase()}${substring(1).toLowerCase()}';
   }
 }
 
@@ -17,14 +17,13 @@ extension IntegetExtension on int? {
 
 extension GeneralExtension<T> on T {
   bool get isEnum {
-    final split = toString().split('.');
-    return split.length > 1 && split[0] == runtimeType.toString();
+    return this is Enum;
   }
 
   String get getEnumString => toString().split('.').last.toCapital;
 }
 
-extension MapExtension on Map {
+extension MapExtension<K, V> on Map<K, V> {
   String get format {
     if (isEmpty) {
       return '';
@@ -36,7 +35,7 @@ extension MapExtension on Map {
   }
 }
 
-//Helper functions
+// Helper functions
 void pop(BuildContext context, int returnedLevel) {
   for (var i = 0; i < returnedLevel; ++i) {
     Navigator.pop(context, true);

lib/core/local_storage.dart

@@ -17,7 +17,7 @@ abstract class LocalStorage {
   int getPrefInt(String settingsKey);
   String getPrefString(String settingsKey);
 
-  void setPrefBool(String settingsKey, bool settingsValue);
+  void setPrefBool(String settingsKey, {required bool settingsValue});
   void setPrefInt(String settingsKey, int settingsValue);
   void setPrefString(String settingsKey, String settingsValue);
 
@@ -83,7 +83,7 @@ class LocalStorageImp implements LocalStorage {
   }
 
   @override
-  void setPrefBool(String settingsKey, bool settingsValue) {
+  void setPrefBool(String settingsKey, {required bool settingsValue}) {
     if (!settingsValue) {
       sharedPrefs.remove(settingsKey);
       return;