gas & transfer request status on open improvement.

lib/extensions/string_extensions.dart

@@ -1,6 +1,11 @@
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:intl/intl.dart';
 
 extension StringExtensions on String {
+  String get addTranslation => this;
+
+  void get showToast => Fluttertoast.showToast(msg: this);
+
   String get toServiceRequestCardFormat {
     DateTime dateTime = DateTime.tryParse(this);
     return "${DateFormat('dd MMM, yyyy').format(dateTime)}\n${DateFormat('hh:mm a').format(dateTime)}";

lib/views/pages/device_transfer/update_device_transfer.dart

@@ -10,6 +10,7 @@ import 'package:test_sa/controllers/providers/api/user_provider.dart';
 import 'package:test_sa/controllers/providers/settings/setting_provider.dart';
 import 'package:test_sa/extensions/context_extension.dart';
 import 'package:test_sa/extensions/int_extensions.dart';
+import 'package:test_sa/extensions/string_extensions.dart';
 import 'package:test_sa/extensions/widget_extensions.dart';
 import 'package:test_sa/models/device/asset_transfer.dart';
 import 'package:test_sa/new_views/common_widgets/app_filled_button.dart';
@@ -157,6 +158,11 @@ class _UpdateDeviceTransferState extends State<UpdateDeviceTransfer> {
                           initialValue: snapshot.items
                               ?.firstWhere((element) => element.name == (widget.isSender ? _formModel.senderMachineStatusName : _formModel.receiverMachineStatusName), orElse: () => null),
                           onSelect: (value) {
+                            if (value.value == 4) {
+                              "Status cannot be change to ${value.name}.".addTranslation.showToast;
+                              setState(() {});
+                              return;
+                            }
                             if (widget.isSender) {
                               _formModel.senderMachineStatusName = value.name;
                               _formModel.senderMachineStatusId = value.id;

lib/views/pages/user/gas_refill/request_gas_refill.dart

@@ -11,6 +11,7 @@ import 'package:test_sa/controllers/providers/settings/setting_provider.dart';
 import 'package:test_sa/controllers/validator/validator.dart';
 import 'package:test_sa/extensions/context_extension.dart';
 import 'package:test_sa/extensions/int_extensions.dart';
+import 'package:test_sa/extensions/string_extensions.dart';
 import 'package:test_sa/extensions/widget_extensions.dart';
 import 'package:test_sa/models/lookup.dart';
 import 'package:test_sa/models/timer_model.dart';
@@ -227,6 +228,12 @@ class _RequestGasRefillState extends State<RequestGasRefill> {
                           title: context.translation.reportStatus,
                           initialValue: _formModel.status,
                           onSelect: (value) {
+                            if (value.value == 0) {
+                              "Status cannot be change to ${value.name}.".addTranslation.showToast;
+                              setState(() {});
+                              return;
+                            }
+
                             _formModel.status = value;
                           },
                         ),