load data using provider call while navigating to the screen - flutter

Question

I have managed to load data from odoo db, the data can be loaded at first call but after updating or creatinig a new customer in server side odoo database nothing happens in my flutter app. the data not loaded in customer screen
i tried to call the provider in initState , setState but nothing worked for me.
customer model
class Customer {
int id;
String name;
Customer({
required this.id,
required this.name,
});
factory Customer.fromJson(Map<dynamic, dynamic> json) => Customer(
name: json["name"],
id: json["id"],
);
Map<dynamic, dynamic> toJson() => {
"name": name,
"id": id,
};
}
Customer provider
class CustomerProvider with ChangeNotifier {
CustomerProvider() {
loadCustomers().then((customers) {
_customers = customers;
notifyListeners();
});
}
List<Customer> _customers = [];
List<Customer> get customers => _customers;
Future getCustomer() async {
notifyListeners();
final client = OdooClient('http://localhost:8050');
await client.authenticate('odoo', 'admin', 'admin');
var res = await client.callKw({
'model': 'res.partner',
'method': 'search_read',
'args': [],
'kwargs': {
'context': {'bin_size': true},
// 'domain': [
// ['id','=',10]
// ],
'fields': ['name'],
},
});
return res;
}
Future loadCustomers() async {
notifyListeners();
final data = await getCustomer();
_customers = ((data as List).map((i) => Customer.fromJson(i)).toList());
return _customers;
}
}
Customer screen
class CustomerPage extends StatefulWidget {
final bool? isMultiSelection;
final List<Customer> customers;
const CustomerPage({
Key? key,
this.isMultiSelection = false,
this.customers = const [],
}) : super(key: key);
#override
_CustomerPageState createState() => _CustomerPageState();
}
class _CustomerPageState extends State<CustomerPage> {
String text = '';
bool loading = false;
List<Customer>? csm;
#override
void initState() {
super.initState();
}
bool containsSearchText(Customer customer) {
final name = customer.name;
final textLower = text.toLowerCase();
final customerLower = name.toLowerCase();
return customerLower.contains(textLower);
}
#override
Widget build(BuildContext context) {
var provider = Provider.of<CustomerProvider>(context, listen: false);
var allcustomers = provider.customers;
var customers = allcustomers.where(containsSearchText).toList();
return ChangeNotifierProvider.value(
value: CustomerProvider(),
child: loading ? const Loading() : Scaffold(
appBar: AppBar(
title: const Text('Selectionner un client'),
bottom: PreferredSize(
preferredSize: const Size.fromHeight(60),
child: SearchWidget(
text:text,
hintText: 'Rechercher',
onChanged: (text) => setState(() => this.text = text),
)),
flexibleSpace: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: <Color>[Color(0xffC71C24), Color(0xffFDBA45)]),
),
),
),
body: customers.isEmpty
// ? const Center(child: CircularProgressIndicator(color: Color(0xffFDBA45),),)
? const Loading()
: ListView(
children: customers.map((customer) {
return CustomerListTileWidget(
customer: customer,
isSelected: false,
onSelectedCustomer: selectCustomer
);
}).toList(),
),
)
);
}