✨ Connect with spotify

lib/screens/auth/desktop_login.dart

@@ -0,0 +1,52 @@
+import 'dart:io';
+
+import 'package:desktop_webview_window/desktop_webview_window.dart';
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:go_router/go_router.dart';
+import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:rhythm_box/platform.dart';
+import 'package:rhythm_box/providers/auth.dart';
+
+Future<void> desktopLogin(BuildContext context) async {
+  final exp = RegExp(r'https:\/\/accounts.spotify.com\/.+\/status');
+  final applicationSupportDir = await getApplicationSupportDirectory();
+  final userDataFolder =
+      Directory(join(applicationSupportDir.path, 'webview_window_Webview2'));
+
+  if (!await userDataFolder.exists()) {
+    await userDataFolder.create();
+  }
+
+  final webview = await WebviewWindow.create(
+    configuration: CreateConfiguration(
+      title: 'Spotify Login',
+      titleBarTopPadding: PlatformInfo.isMacOS ? 20 : 0,
+      windowHeight: 720,
+      windowWidth: 1280,
+      userDataFolderWindows: userDataFolder.path,
+    ),
+  );
+  webview
+    ..setBrightness(Theme.of(context).colorScheme.brightness)
+    ..launch('https://accounts.spotify.com/')
+    ..setOnUrlRequestCallback((url) {
+      if (exp.hasMatch(url)) {
+        webview.getAllCookies().then((cookies) async {
+          final cookieHeader =
+              "sp_dc=${cookies.firstWhere((element) => element.name.contains("sp_dc")).value.replaceAll("\u0000", "")}";
+
+          final AuthenticationProvider authenticate = Get.find();
+          await authenticate.login(cookieHeader);
+
+          webview.close();
+          if (context.mounted) {
+            GoRouter.of(context).go('/');
+          }
+        });
+      }
+
+      return true;
+    });
+}