Implement a better management interface for Settings (#809)

app/Http/Controllers/Admin/Settings/IndexController.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\Admin\Settings;
+
+use Illuminate\View\View;
+use Illuminate\Http\RedirectResponse;
+use Prologue\Alerts\AlertsMessageBag;
+use Illuminate\Contracts\Console\Kernel;
+use Pterodactyl\Http\Controllers\Controller;
+use Pterodactyl\Traits\Helpers\AvailableLanguages;
+use Pterodactyl\Services\Helpers\SoftwareVersionService;
+use Pterodactyl\Contracts\Repository\SettingsRepositoryInterface;
+use Pterodactyl\Http\Requests\Admin\Settings\BaseSettingsFormRequest;
+
+class IndexController extends Controller
+{
+    use AvailableLanguages;
+
+    /**
+     * @var \Prologue\Alerts\AlertsMessageBag
+     */
+    private $alert;
+
+    /**
+     * @var \Illuminate\Contracts\Console\Kernel
+     */
+    private $kernel;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\SettingsRepositoryInterface
+     */
+    private $settings;
+
+    /**
+     * @var \Pterodactyl\Services\Helpers\SoftwareVersionService
+     */
+    private $versionService;
+
+    /**
+     * IndexController constructor.
+     *
+     * @param \Prologue\Alerts\AlertsMessageBag                             $alert
+     * @param \Illuminate\Contracts\Console\Kernel                          $kernel
+     * @param \Pterodactyl\Contracts\Repository\SettingsRepositoryInterface $settings
+     * @param \Pterodactyl\Services\Helpers\SoftwareVersionService          $versionService
+     */
+    public function __construct(
+        AlertsMessageBag $alert,
+        Kernel $kernel,
+        SettingsRepositoryInterface $settings,
+        SoftwareVersionService $versionService)
+    {
+        $this->alert = $alert;
+        $this->kernel = $kernel;
+        $this->settings = $settings;
+        $this->versionService = $versionService;
+    }
+
+    /**
+     * Render the UI for basic Panel settings.
+     *
+     * @return \Illuminate\View\View
+     */
+    public function index(): View
+    {
+        return view('admin.settings.index', [
+            'version' => $this->versionService,
+            'languages' => $this->getAvailableLanguages(true),
+        ]);
+    }
+
+    /**
+     * Handle settings update.
+     *
+     * @param \Pterodactyl\Http\Requests\Admin\Settings\BaseSettingsFormRequest $request
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function update(BaseSettingsFormRequest $request): RedirectResponse
+    {
+        foreach ($request->normalize() as $key => $value) {
+            $this->settings->set('settings::' . $key, $value);
+        }
+
+        $this->kernel->call('queue:restart');
+        $this->alert->success('Panel settings have been updated successfully and the queue worker was restarted to apply these changes.')->flash();
+
+        return redirect()->route('admin.settings');
+    }
+}