chore : refactor root

packages/livestock/lib/presentation/page/root/logic.dart

@@ -43,6 +43,8 @@ class RootLogic extends GetxController {
   late StreamSubscription<List<ConnectivityResult>> connectivitySubscription;
   RxList<ConnectivityResult> connectivityResults = <ConnectivityResult>[].obs;
 
+  DateTime? lastBackPressed;
+
   @override
   void onInit() {
     super.onInit();

packages/livestock/lib/presentation/page/root/view.dart

@@ -7,7 +7,29 @@ import 'logic.dart';
 class RootPage extends GetView<RootLogic> {
   RootPage({super.key});
 
-  DateTime? _lastBackPressed;
+  // Extracted back-press
+  Future<void> _handleBackPress(BuildContext context) async {
+    final nestedKey = Get.nestedKey(controller.currentIndex.value);
+    final currentNavigator = nestedKey?.currentState;
+    if (currentNavigator?.canPop() ?? false) {
+      currentNavigator?.pop();
+      return;
+    }
+    final now = DateTime.now();
+    if (controller.lastBackPressed == null ||
+        now.difference(controller.lastBackPressed!) > const Duration(seconds: 2)) {
+      controller.lastBackPressed = now;
+      Get.snackbar(
+        'خروج از برنامه',
+        'برای خروج دوباره بازگشت را بزنید',
+        snackPosition: SnackPosition.TOP,
+        duration: const Duration(seconds: 2),
+        backgroundColor: AppColor.warning,
+      );
+    } else {
+      await SystemNavigator.pop();
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -15,36 +37,14 @@ class RootPage extends GetView<RootLogic> {
       return PopScope(
         canPop: false,
         onPopInvokedWithResult: (didPop, result) async {
-          final nestedKey = Get.nestedKey(controller.currentIndex.value);
-          final currentNavigator = nestedKey?.currentState;
-
-          if (currentNavigator?.canPop() ?? false) {
-            currentNavigator?.pop();
-          } else {
-            final now = DateTime.now();
-            if (_lastBackPressed == null ||
-                now.difference(_lastBackPressed!) > Duration(seconds: 2)) {
-              _lastBackPressed = now;
-              Get.snackbar(
-                'خروج از برنامه',
-                'برای خروج دوباره بازگشت را بزنید',
-                snackPosition: SnackPosition.TOP,
-                duration: Duration(seconds: 2),
-                backgroundColor: AppColor.warning,
-              );
-            } else {
-              await SystemNavigator.pop();
-            }
-          }
+          await _handleBackPress(context);
         },
-
         child: Scaffold(
           body: IndexedStack(
-            children: [...controller.pages],
+            children: controller.pages,
             index: currentIndex.value,
             sizing: StackFit.expand,
           ),
-
           bottomNavigationBar: RBottomNavigation(
             mainAxisAlignment: MainAxisAlignment.spaceEvenly,
             items: [
@@ -66,7 +66,6 @@ class RootPage extends GetView<RootLogic> {
                   controller.changePage(1);
                 },
               ),
-
               RBottomNavigationItem(
                 label: 'پروفایل',
                 icon: Assets.vec.profileCircleSvg.path,