Stricter analysis

analysis_options.yaml

@@ -5,3 +5,24 @@ include: package:lint/strict.yaml
 linter:
   rules:
     sort_pub_dependencies: false
+    prefer_final_parameters: false
+    prefer_asserts_with_message: false
+    only_throw_errors: false
+
+    prefer_mixin: true
+    discarded_futures: true
+    unawaited_futures: true
+    prefer_expression_function_bodies: true
+    always_put_control_body_on_new_line: true
+    use_key_in_widget_constructors: true
+    always_put_required_named_parameters_first: true
+    prefer_single_quotes: true
+    sort_constructors_first: true
+    omit_local_variable_types: true
+    prefer_int_literals: true
+    cascade_invocations: true
+    avoid_equals_and_hash_code_on_mutable_classes: true
+    avoid_types_on_closure_parameters: true
+    use_decorated_box: true
+    unnecessary_lambdas: true
+    prefer_foreach: true

lib/main.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -42,19 +44,13 @@ void main() async {
       MultiBlocProvider(
         providers: [
           BlocProvider<AuthenticationBloc>(
-            create: (context) {
-              return AuthenticationBloc()..add(const AppStarted());
-            },
+            create: (context) => AuthenticationBloc()..add(const AppStarted()),
           ),
           BlocProvider<RecipesShortBloc>(
-            create: (context) {
-              return RecipesShortBloc();
-            },
+            create: (context) => RecipesShortBloc(),
           ),
           BlocProvider<CategoriesBloc>(
-            create: (context) {
-              return CategoriesBloc();
-            },
+            create: (context) => CategoriesBloc(),
           )
         ],
         child: const App(),
@@ -87,51 +83,49 @@ class _AppState extends State<App> {
     final savedLocalization = Settings.getValue<String>(
       SettingKeys.language.name,
     );
-    changeLocale(context, savedLocalization);
+    unawaited(changeLocale(context, savedLocalization));
   }
 
   @override
-  Widget build(BuildContext context) {
-    return ThemeModeHandler(
-      manager: ThemeModeManager(),
-      builder: (ThemeMode themeMode) => MaterialApp(
-        navigatorKey: IntentRepository().getNavigationKey(),
-        themeMode: themeMode,
-        theme: AppTheme.lightThemeData,
-        darkTheme: AppTheme.darkThemeData,
-        home: BlocConsumer<AuthenticationBloc, AuthenticationState>(
-          builder: (context, state) {
-            SystemChrome.setSystemUIOverlayStyle(
-              SystemUiOverlayStyle(
-                systemNavigationBarColor:
-                    Theme.of(context).scaffoldBackgroundColor,
-              ),
-            );
+  Widget build(BuildContext context) => ThemeModeHandler(
+        manager: ThemeModeManager(),
+        builder: (themeMode) => MaterialApp(
+          navigatorKey: IntentRepository().getNavigationKey(),
+          themeMode: themeMode,
+          theme: AppTheme.lightThemeData,
+          darkTheme: AppTheme.darkThemeData,
+          home: BlocConsumer<AuthenticationBloc, AuthenticationState>(
+            builder: (context, state) {
+              SystemChrome.setSystemUIOverlayStyle(
+                SystemUiOverlayStyle(
+                  systemNavigationBarColor:
+                      Theme.of(context).scaffoldBackgroundColor,
+                ),
+              );
 
-            switch (state.status) {
-              case AuthenticationStatus.loading:
-                return const SplashPage();
-              case AuthenticationStatus.authenticated:
-                return const CategoryScreen();
-              case AuthenticationStatus.unauthenticated:
-                return const LoginScreen();
-              case AuthenticationStatus.invalid:
-                return const LoginScreen(
-                  invalidCredentials: true,
-                );
-              case AuthenticationStatus.error:
-                return LoadingErrorScreen(message: state.error!);
-            }
-          },
-          listener: (context, state) async {
-            if (state.status != AuthenticationStatus.loading) {
-              FlutterNativeSplash.remove();
-            } else if (state.status == AuthenticationStatus.authenticated) {
-              await IntentRepository().handleIntent();
-            }
-          },
+              switch (state.status) {
+                case AuthenticationStatus.loading:
+                  return const SplashPage();
+                case AuthenticationStatus.authenticated:
+                  return const CategoryScreen();
+                case AuthenticationStatus.unauthenticated:
+                  return const LoginScreen();
+                case AuthenticationStatus.invalid:
+                  return const LoginScreen(
+                    invalidCredentials: true,
+                  );
+                case AuthenticationStatus.error:
+                  return LoadingErrorScreen(message: state.error!);
+              }
+            },
+            listener: (context, state) async {
+              if (state.status != AuthenticationStatus.loading) {
+                FlutterNativeSplash.remove();
+              } else if (state.status == AuthenticationStatus.authenticated) {
+                await IntentRepository().handleIntent();
+              }
+            },
+          ),
         ),
-      ),
-    );
-  }
+      );
 }

lib/src/blocs/authentication/authentication_bloc.dart

@@ -8,19 +8,18 @@ part 'authentication_state.dart';
 
 class AuthenticationBloc
     extends Bloc<AuthenticationEvent, AuthenticationState> {
-  final UserRepository userRepository = UserRepository();
-
   AuthenticationBloc() : super(AuthenticationState()) {
     on<AppStarted>(_mapAppStartedEventToState);
     on<LoggedIn>(_mapLoggedInEventToState);
     on<LoggedOut>(_mapLoggedOutEventToState);
   }
+  final UserRepository userRepository = UserRepository();
 
   Future<void> _mapAppStartedEventToState(
     AppStarted event,
     Emitter<AuthenticationState> emit,
   ) async {
-    final bool hasToken = await userRepository.hasAppAuthentication();
+    final hasToken = await userRepository.hasAppAuthentication();
 
     if (hasToken) {
       await userRepository.loadAppAuthentication();

lib/src/blocs/authentication/authentication_event.dart

@@ -12,9 +12,8 @@ class AppStarted extends AuthenticationEvent {
 }
 
 class LoggedIn extends AuthenticationEvent {
-  final AppAuthentication appAuthentication;
-
   const LoggedIn({required this.appAuthentication});
+  final AppAuthentication appAuthentication;
 
   @override
   List<Object> get props => [appAuthentication];

lib/src/blocs/authentication/authentication_state.dart

@@ -22,16 +22,15 @@ enum AuthenticationStatus {
 }
 
 class AuthenticationState extends Equatable {
-  final AuthenticationStatus status;
-  final String? error;
-
   const AuthenticationState({
     this.status = AuthenticationStatus.loading,
     this.error,
   }) : assert(
           (status != AuthenticationStatus.error && error == null) ||
               (status == AuthenticationStatus.error && error != null),
         );
+  final AuthenticationStatus status;
+  final String? error;
 
   @override
   List<Object?> get props => [status, error];

lib/src/blocs/categories/categories_bloc.dart

@@ -7,11 +7,10 @@ part 'categories_event.dart';
 part 'categories_state.dart';
 
 class CategoriesBloc extends Bloc<CategoriesEvent, CategoriesState> {
-  final DataRepository dataRepository = DataRepository();
-
   CategoriesBloc() : super(CategoriesState()) {
     on<CategoriesLoaded>(_mapCategoriesLoadedEventToState);
   }
+  final DataRepository dataRepository = DataRepository();
 
   Future<void> _mapCategoriesLoadedEventToState(
     CategoriesLoaded event,

lib/src/blocs/categories/categories_state.dart

@@ -8,11 +8,6 @@ enum CategoriesStatus {
 }
 
 class CategoriesState extends Equatable {
-  final CategoriesStatus status;
-  final String? error;
-  final Iterable<Category>? categories;
-  final Iterable<RecipeStub?>? recipes;
-
   CategoriesState({
     this.status = CategoriesStatus.loadInProgress,
     this.error,
@@ -33,6 +28,10 @@ class CategoriesState extends Equatable {
         assert(error != null && categories == null && recipes == null);
     }
   }
+  final CategoriesStatus status;
+  final String? error;
+  final Iterable<Category>? categories;
+  final Iterable<RecipeStub?>? recipes;
 
   @override
   List<Object?> get props => [status, error, categories];

lib/src/blocs/login/login_bloc.dart

@@ -9,14 +9,13 @@ part 'login_event.dart';
 part 'login_state.dart';
 
 class LoginBloc extends Bloc<LoginEvent, LoginState> {
-  final UserRepository userRepository = UserRepository();
-  final AuthenticationBloc authenticationBloc;
-
   LoginBloc({
     required this.authenticationBloc,
   }) : super(LoginState()) {
     on<LoginButtonPressed>(_mapLoginButtonPressedEventToState);
   }
+  final UserRepository userRepository = UserRepository();
+  final AuthenticationBloc authenticationBloc;
 
   Future<void> _mapLoginButtonPressedEventToState(
     LoginButtonPressed event,

lib/src/blocs/login/login_event.dart

@@ -8,19 +8,18 @@ abstract class LoginEvent extends Equatable {
 }
 
 class LoginButtonPressed extends LoginEvent {
-  final String serverURL;
-  final String username;
-  final String originalBasicAuth;
-  final bool isAppPassword;
-  final bool isSelfSignedCertificate;
-
   const LoginButtonPressed({
     required this.serverURL,
     required this.username,
     required this.originalBasicAuth,
     required this.isAppPassword,
     required this.isSelfSignedCertificate,
   });
+  final String serverURL;
+  final String username;
+  final String originalBasicAuth;
+  final bool isAppPassword;
+  final bool isSelfSignedCertificate;
 
   @override
   List<Object> get props =>

lib/src/blocs/login/login_state.dart

@@ -7,16 +7,15 @@ enum LoginStatus {
 }
 
 class LoginState extends Equatable {
-  final LoginStatus status;
-  final String? error;
-
   const LoginState({
     this.status = LoginStatus.initial,
     this.error,
   }) : assert(
           (status != LoginStatus.failure && error == null) ||
               (status == LoginStatus.failure && error != null),
         );
+  final LoginStatus status;
+  final String? error;
 
   @override
   List<Object?> get props => [status, error];

lib/src/blocs/recipe/recipe_bloc.dart

@@ -7,15 +7,14 @@ part 'recipe_event.dart';
 part 'recipe_state.dart';
 
 class RecipeBloc extends Bloc<RecipeEvent, RecipeState> {
-  final DataRepository dataRepository = DataRepository();
-
   RecipeBloc() : super(RecipeState()) {
     on<RecipeLoaded>(_mapRecipeLoadedToState);
     on<RecipeUpdated>(_mapRecipeUpdatedToState);
     on<RecipeImported>(_mapRecipeImportedToState);
     on<RecipeCreated>(_mapRecipeCreatedToState);
     on<RecipeDeleted>(_mapRecipeDeletedToState);
   }
+  final DataRepository dataRepository = DataRepository();
 
   Future<void> _mapRecipeLoadedToState(
     RecipeLoaded recipeLoaded,

lib/src/blocs/recipe/recipe_event.dart

@@ -8,45 +8,40 @@ abstract class RecipeEvent extends Equatable {
 }
 
 class RecipeLoaded extends RecipeEvent {
-  final String recipeId;
-
   const RecipeLoaded(this.recipeId);
+  final String recipeId;
 
   @override
   List<String> get props => [recipeId];
 }
 
 class RecipeUpdated extends RecipeEvent {
-  final Recipe recipe;
-
   const RecipeUpdated(this.recipe);
+  final Recipe recipe;
 
   @override
   List<Object> get props => [recipe];
 }
 
 class RecipeCreated extends RecipeEvent {
-  final Recipe recipe;
-
   const RecipeCreated(this.recipe);
+  final Recipe recipe;
 
   @override
   List<Object> get props => [recipe];
 }
 
 class RecipeImported extends RecipeEvent {
-  final String url;
-
   const RecipeImported(this.url);
+  final String url;
 
   @override
   List<Object> get props => [url];
 }
 
 class RecipeDeleted extends RecipeEvent {
-  final Recipe recipe;
-
   const RecipeDeleted(this.recipe);
+  final Recipe recipe;
 
   @override
   List<Object> get props => [recipe];

lib/src/blocs/recipe/recipe_state.dart

@@ -19,11 +19,6 @@ enum RecipeStatus {
 }
 
 class RecipeState extends Equatable {
-  final RecipeStatus status;
-  final String? error;
-  final Recipe? recipe;
-  final String? recipeId;
-
   RecipeState({
     this.status = RecipeStatus.loadInProgress,
     this.error,
@@ -55,6 +50,10 @@ class RecipeState extends Equatable {
         assert(error != null && recipe == null && recipeId == null);
     }
   }
+  final RecipeStatus status;
+  final String? error;
+  final Recipe? recipe;
+  final String? recipeId;
 
   @override
   List<Object?> get props => [status, error, recipe, recipeId];