refactor: migrate amount fields to decimal and implement location service restriction for unsupported regions

siro_driver/lib/controller/functions/location_controller.dart

@@ -11,6 +11,7 @@ import 'package:permission_handler/permission_handler.dart' as ph;
 import 'package:socket_io_client/socket_io_client.dart' as IO;
 import 'package:siro_driver/constant/table_names.dart';
 import 'package:trip_overlay_plugin/trip_overlay_plugin.dart';
+import '../../constant/country_polygons.dart';
 import '../../constant/box_name.dart';
 import '../../constant/links.dart';
 import '../../main.dart';
@@ -559,7 +560,11 @@ class LocationController extends GetxController with WidgetsBindingObserver {
       final now = DateTime.now();
       final pos = LatLng(loc.latitude!, loc.longitude!);
 
-      myLocation = pos;
+      if (!CountryPolygons.isServiceSupported(pos)) {
+        myLocation = const LatLng(31.9539, 35.9106);
+      } else {
+        myLocation = pos;
+      }
       speed = loc.speed ?? 0.0;
       heading = loc.heading ?? 0.0;
 
@@ -863,7 +868,12 @@ class LocationController extends GetxController with WidgetsBindingObserver {
         if (locData != null &&
             locData.latitude != null &&
             locData.longitude != null) {
-          myLocation = LatLng(locData.latitude!, locData.longitude!);
+          final rawPos = LatLng(locData.latitude!, locData.longitude!);
+          if (!CountryPolygons.isServiceSupported(rawPos)) {
+            myLocation = const LatLng(31.9539, 35.9106);
+          } else {
+            myLocation = rawPos;
+          }
           heading = locData.heading ?? 0.0;
           speed = locData.speed ?? 0.0;