Change all app architecture

lib/providers/sign_in.dart

@@ -0,0 +1,52 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:http/http.dart' as http;
+
+class SignIn with ChangeNotifier {
+  String cookie;
+
+  Future<void> login(String url, String email, String password) async {
+    String urlApi = url + '/api/v1/login';
+
+    Map<String, String> headers = {
+      "X-Requested-With": "XMLHttpRequest",
+      "Content-Type": "application/json",
+    };
+    var body = json.encode({"login": email, "password": password});
+
+    final response = await http.post(urlApi, headers: headers, body: body);
+    if (response.statusCode == 200) {
+      // If the server did return a 200 OK response,
+      // then parse the JSON.
+      print(response.headers['set-cookie']);
+      cookie = response.headers['set-cookie'];
+      //TODO : return http.get + company_choice_screen root
+      recoverUserData(urlApi);
+      // If the server did not return a 200 OK response,
+      // then throw an exception.
+      //TODO: error message ?
+    }
+
+//    final responseJson = json.decode(response.body);
+  }
+
+  Future<void> recoverUserData(String url) async {
+    Map<String, String> headers = {"X-Requested-With": "XMLHttpRequest","Cookie":cookie};
+
+    final response = await http.get(url, headers: headers);
+
+    if (response.statusCode == 200) {
+      // If the server did return a 200 OK response,
+      // then parse the JSON.
+      print(response.headers['datas']);
+    } else {
+      // If the server did not return a 200 OK response,
+      // then throw an exception.
+    }
+//    final responseJson = json.decode(response.body);
+//
+//    print(responseJson);
+  }
+}