refactor(app): rename selectedIndex to be specific

- Renamed selectedIndex property
- To selectedBottomNavigationIndex
- Updated in AppBloc and AppState
- Updated in AppScaffold

Author: fulleni

lib/app/bloc/app_bloc.dart

@@ -1,4 +1,5 @@
 import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
 import 'package:meta/meta.dart';
 
 part 'app_event.dart';
@@ -7,7 +8,7 @@ part 'app_state.dart';
 class AppBloc extends Bloc<AppEvent, AppState> {
   AppBloc() : super(const AppState()) {
     on<AppNavigationIndexChanged>((event, emit) {
-      emit(state.copyWith(selectedIndex: event.index));
+      emit(state.copyWith(selectedBottomNavigationIndex: event.index));
     });
   }
 }

lib/app/bloc/app_state.dart

@@ -1,13 +1,16 @@
 part of 'app_bloc.dart';
 
-@immutable
-class AppState {
-  const AppState({this.selectedIndex = 0});
-  final int selectedIndex;
+class AppState extends Equatable {
+  const AppState({this.selectedBottomNavigationIndex = 0});
+  final int selectedBottomNavigationIndex;
 
-  AppState copyWith({int? selectedIndex}) {
+  AppState copyWith({int? selectedBottomNavigationIndex}) {
     return AppState(
-      selectedIndex: selectedIndex ?? this.selectedIndex,
+      selectedBottomNavigationIndex:
+          selectedBottomNavigationIndex ?? this.selectedBottomNavigationIndex,
     );
   }
+
+  @override
+  List<Object?> get props => [selectedBottomNavigationIndex];
 }

lib/app/view/app_scaffold.dart

@@ -22,7 +22,7 @@ class AppScaffold extends StatelessWidget {
             smallSecondaryBody: AdaptiveScaffold.emptyBuilder,
             secondaryBody: AdaptiveScaffold.emptyBuilder,
             largeSecondaryBody: AdaptiveScaffold.emptyBuilder,
-            selectedIndex: state.selectedIndex,
+            selectedIndex: state.selectedBottomNavigationIndex,
             onSelectedIndexChange: (index) {
               context
                   .read<AppBloc>()

pubspec.lock

@@ -113,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.4.1"
+  equatable:
+    dependency: "direct main"
+    description:
+      name: equatable
+      sha256: "567c64b3cb4cf82397aac55f4f0cbd3ca20d77c6c03bedbc4ceaddc08904aef7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.7"
   fake_async:
     dependency: transitive
     description:

pubspec.yaml

@@ -8,6 +8,7 @@ environment:
 
 dependencies:
   bloc: ^9.0.0
+  equatable: ^2.0.7
   flex_color_scheme: ^8.1.1
   flutter:
     sdk: flutter