feat : new ui and fix bug's

packages/chicken/lib/presentation/pages/steward/buy/logic.dart

@@ -1,8 +1,9 @@
+import 'package:flutter/services.dart';
 import 'package:rasadyar_core/core.dart';
 
 class BuyLogic extends GetxController {
-
   List<String> routesName = ['خرید'];
+  DateTime? _lastBackPressed;
 
   @override
   void onInit() {
@@ -11,7 +12,7 @@ class BuyLogic extends GetxController {
 
   @override
   void onReady() {
-    // TODO: implement onReady
+    fLog('BuyLogic onReady');
     super.onReady();
   }
 
@@ -20,4 +21,20 @@ class BuyLogic extends GetxController {
     // TODO: implement onClose
     super.onClose();
   }
+
+  void onPopScopTaped() async {
+    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();
+    }
+  }
 }