Finalized OAuth flow, added /profile/{LOGIN} routes, improved home_view with a background

lib/views/login_screen.dart

@@ -1,13 +1,15 @@
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_appauth/flutter_appauth.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:swifty/methods/api.dart';
 
 const FlutterAppAuth _appAuth = FlutterAppAuth();
 
 Future<void> redirect_to_oauth(BuildContext context) async {
-  final String _clientId = dotenv.env['CLIENT-ID'] ?? '';
-  final String _clientSecret = dotenv.env['CLIENT-SECRET'] ?? '';
+  final String _clientId = "CLIENT TODO";
+  final String _clientSecret = "SECRET TODO";
   final String _redirectUrl = 'swifty-companion://oauth2/callback';
   final String _authorizationEndpoint = 'https://api.intra.42.fr/oauth/authorize';
   final String _tokenEndpoint = 'https://api.intra.42.fr/oauth/token';
@@ -18,36 +20,30 @@ Future<void> redirect_to_oauth(BuildContext context) async {
         authorizationEndpoint: _authorizationEndpoint,
         tokenEndpoint: _tokenEndpoint,
       ));
-  print("swap");
   try {
-    print("trying");
     final AuthorizationResponse? result = await _appAuth.authorize(request);
-    print("tried");
-    if (result != null) {
-      print("nonull result");
-      Navigator.pushReplacementNamed(context, "/home");
-      print('Authorization Code: ${result.authorizationCode}');
-      final token_request = TokenRequest(
-        _clientId,
-        _redirectUrl,
-        clientSecret: _clientSecret,
-        authorizationCode: result.authorizationCode,
-        grantType: 'authorization_code',
-        serviceConfiguration: AuthorizationServiceConfiguration(
-          authorizationEndpoint: "https://api.intra.42.fr/oauth/authorize",
-          tokenEndpoint: _tokenEndpoint,
-        ),
-      );
-      print("pre token");
-      final TokenResponse? tokenResponse = await _appAuth.token(token_request);
-      print("token");
-      print(tokenResponse?.accessToken);
-      print(tokenResponse?.refreshToken);
-      // You can now use this code to exchange for an access token (via a separate API call to the token endpoint)
-    }
+    if (result == null) { throw PlatformException(code: "fatal_error"); }
+    final token_request = TokenRequest(
+      _clientId,
+      _redirectUrl,
+      clientSecret: _clientSecret,
+      authorizationCode: result.authorizationCode,
+      grantType: 'authorization_code',
+      serviceConfiguration: AuthorizationServiceConfiguration(
+        authorizationEndpoint: "https://api.intra.42.fr/oauth/authorize",
+        tokenEndpoint: _tokenEndpoint,
+      ),
+    );
+    final TokenResponse? tokenResponse = await _appAuth.token(token_request);
+    saveToken(tokenResponse?.accessToken ?? '', tokenResponse?.refreshToken ?? '', tokenResponse?.accessTokenExpirationDateTime ?? DateTime.now());
+    Navigator.pushReplacementNamed(context, "/home");
+  }
+  on PlatformException catch (e)
+  {
+    if (e.code == "authorize_failed" && e.message?.contains('User cancelled flow') == true) { return; }
   }
   catch (e) {
-    print("error $e");
+    return;
   }
 }
 class LoginScreen extends StatelessWidget {