Poursuite implémentation API

Sources/dafl_project_flutter/android/app/src/main/AndroidManifest.xml

@@ -32,5 +32,8 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
-    </application>
+
+       <uses-permission android:name="android.permission.INTERNET"/>
+
+   </application>
 </manifest>

Sources/dafl_project_flutter/lib/api/api.dart

@@ -1,17 +1,25 @@
+import 'dart:convert';
 import 'dart:math';
+import 'package:http/http.dart' as http;
 
 class Api {
   var clientId = '7ceb49d874b9404492246027e4d68cf8';
+  var clientSecret = '98f9cb960bf54ebbb9ad306e7ff919cb';
   var redirectUri = 'https://daflmusic.000webhostapp.com/callback/';
   var state;
-  var scopes = 'user-read-private';
-  var url;
-
+  String scopes = 'user-read-playback-state user-read-currently-playing';
   var code;
+  var urlAuthorize;
+  String? access_token;
+  String token_type = 'Bearer ';
+  int? expires_in;
+  String? refresh_token;
+
+  var client = http.Client();
 
   Api() {
     state = generateRandomString();
-    url = Uri.https('accounts.spotify.com', 'authorize', {
+    urlAuthorize = Uri.https('accounts.spotify.com', 'authorize', {
       'client_id': clientId,
       'response_type': 'code',
       'redirect_uri': redirectUri,
@@ -21,13 +29,42 @@ class Api {
     });
   }
 
-  verifyLogIn(Uri url) {
-    if (verifyState(url.queryParameters['state'])) {
+  requestUserAuthorization(Uri url) {
+    if (url.queryParameters['state'] == state.toString()) {
       code = url.queryParameters['code'];
+      requestAccessToken();
     }
+    // TODO : implement the else
   }
 
-  bool verifyState(String? newState) => state == newState;
+  requestAccessToken() async {
+    var urlToken = Uri.https('accounts.spotify.com', 'api/token', {
+      'code': code,
+      'redirect_uri': redirectUri,
+      'grant_type': 'authorization_code'
+    });
+    String credentials = "$clientId:$clientSecret";
+    String encodedLogs = base64.encode(utf8.encode(credentials));
+    var response = await client.post(urlToken, headers: <String, String>{
+      'Authorization': 'Basic $encodedLogs',
+      'Content-Type': 'application/x-www-form-urlencoded'
+    });
+    var decodedResponse = jsonDecode(utf8.decode(response.bodyBytes)) as Map;
+    access_token = decodedResponse['access_token'];
+    expires_in = decodedResponse['expires_in'];
+    refresh_token = decodedResponse['refresh_token'];
+    getCurrentlyPlayingTrack();
+  }
+
+  getCurrentlyPlayingTrack() async {
+    var url =
+        Uri.https('api.spotify.com', 'v1/me/player/currently-playing', {});
+    var response = await client.post(url, headers: <String, String>{
+      'Authorization': '$token_type $access_token',
+      'Content-Type': 'application/json'
+    });
+    // Problem while trying to get body
+  }
 
   // for state value
   String generateRandomString() {

Sources/dafl_project_flutter/lib/api/in_app_browser.dart

@@ -1,7 +1,6 @@
-import 'dart:convert';
 import 'dart:io';
+import 'package:dafl_project_flutter/main.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
-import './api.dart';
 
 class MyInAppBrowser extends InAppBrowser {
   var options = InAppBrowserClassOptions(
@@ -10,11 +9,10 @@ class MyInAppBrowser extends InAppBrowser {
       inAppWebViewGroupOptions: InAppWebViewGroupOptions(
           crossPlatform: InAppWebViewOptions(javaScriptEnabled: true)));
 
-  Api api;
-
-  MyInAppBrowser(this.api) {
+  MyInAppBrowser() {
     _debugBrowser();
-    launchBrowser();
+    openUrlRequest(
+        urlRequest: URLRequest(url: MyApp.api.urlAuthorize), options: options);
   }
 
   _debugBrowser() async {
@@ -23,30 +21,11 @@ class MyInAppBrowser extends InAppBrowser {
     }
   }
 
-  launchBrowser() {
-    openUrlRequest(urlRequest: URLRequest(url: api.url), options: options);
-  }
-
-  @override
-  Future onBrowserCreated() async {}
-
   @override
   Future onLoadStart(url) async {
-    if (url!.origin + url!.path == api.redirectUri) {
-      api.verifyLogIn(url);
+    if (url!.origin + url.path == MyApp.api.redirectUri) {
+      MyApp.api.requestUserAuthorization(url);
+      close();
     }
-    close();
   }
-
-  @override
-  Future onLoadStop(url) async {}
-
-  @override
-  void onLoadError(url, code, message) {}
-
-  @override
-  void onProgressChanged(progress) {}
-
-  @override
-  void onExit() {}
 }

Sources/dafl_project_flutter/lib/main.dart

@@ -8,12 +8,14 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:rive/rive.dart';
+import 'api/api.dart';
 
 void main() {
   runApp(MyApp());
 }
 
 class MyApp extends StatelessWidget {
+  static Api api = Api();
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {

Sources/dafl_project_flutter/lib/views/pages/sign_up/p_sign_up.dart

@@ -1,13 +1,12 @@
 import 'package:dafl_project_flutter/api/api.dart';
+import 'package:dafl_project_flutter/main.dart';
 import 'package:flutter/material.dart';
 import 'package:page_transition/page_transition.dart';
-import '../../../api/w_in_app_browser.dart';
+import '../../../api/in_app_browser.dart';
 import '../home/p_home.dart';
 import '../sign_in/p_sign_in.dart';
 
 class SignUpPage extends StatefulWidget {
-  static Api api = Api();
-
   const SignUpPage({Key? key}) : super(key: key);
 
   @override
@@ -223,7 +222,7 @@ class _SignUpPageState extends State<SignUpPage> {
                               ), // background// foreground
                             ),
                             onPressed: () {
-                              MyInAppBrowser(SignUpPage.api);
+                              MyInAppBrowser();
                             },
                             child: Row(
                               mainAxisAlignment: MainAxisAlignment.center,

Sources/dafl_project_flutter/pubspec.lock

@@ -171,7 +171,7 @@ packages:
     source: hosted
     version: "0.15.1"
   http:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"

Sources/dafl_project_flutter/pubspec.yaml

@@ -21,6 +21,7 @@ dependencies:
   fluttertoast: ^8.1.1
   vibration: ^1.7.6
   flutter_inappwebview: ^5.7.1
+  http: ^0.13.5
 
 dev_dependencies:
   flutter_test: