gocardless oauth connection

app/Http/Controllers/Gateways/GoCardlessOAuthController.php

@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2024. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+
+namespace App\Http\Controllers\Gateways;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\GoCardless\OAuthConnectRequest;
+use Illuminate\Support\Facades\Http;
+
+class GoCardlessOAuthController extends Controller
+{
+    public function connect(OAuthConnectRequest $request): \Illuminate\Foundation\Application|\Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse|\Illuminate\Contracts\Foundation\Application
+    {
+        $params = [
+            'client_id' => config('services.gocardless.client_id'),
+            'redirect_uri' => route('gocardless.oauth.confirm', ['token' => $request->getCompany()->company_key]),
+            'scope' => 'read_write',
+            'response_type' => 'code',
+            'prefill[email]' => 'ben@invoiceninja.com',
+            'prefill[given_name]' => 'Ben',
+            'prefill[family_name]' => 'The Ninja',
+            'prefill[organisation_name]' => 'Fishing Store',
+            'prefill[country_code]' => 'GB',
+        ];
+
+        return redirect()->to(
+            sprintf('https://connect-sandbox.gocardless.com/oauth/authorize?%s', http_build_query($params))
+        );
+    }
+
+    public function confirm(OAuthConnectRequest $request): \Illuminate\Foundation\Application|\Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse|\Illuminate\Contracts\Foundation\Application
+    {
+        $code = $request->query('code');
+
+        $response = Http::post('https://connect-sandbox.gocardless.com/oauth/access_token', [
+            'client_id' => config('services.gocardless.client_id'),
+            'client_secret' => config('services.gocardless.client_secret'),
+            'grant_type' => 'authorization_code',
+            'code' => $code,
+        ]);
+
+        dd($response->body());
+    }
+}