Edit the mail config from the dashboard and provide testing button

app/Http/Controllers/Dashboard/SettingsController.php

@@ -11,12 +11,15 @@
 
 namespace CachetHQ\Cachet\Http\Controllers\Dashboard;
 
+use CachetHQ\Cachet\Bus\Commands\System\Config\UpdateConfigCommand;
+use CachetHQ\Cachet\Bus\Commands\System\Mail\TestMailCommand;
 use CachetHQ\Cachet\Integrations\Contracts\Credits;
 use CachetHQ\Cachet\Models\User;
 use CachetHQ\Cachet\Settings\Repository;
 use Exception;
 use GrahamCampbell\Binput\Facades\Binput;
 use Illuminate\Routing\Controller;
+use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Lang;
 use Illuminate\Support\Facades\Log;
@@ -96,6 +99,12 @@ class SettingsController extends Controller
                 'icon'   => 'ion-ios-list',
                 'active' => false,
             ],
+            'mail' => [
+                'title'  => trans('dashboard.settings.mail.mail'),
+                'url'    => cachet_route('dashboard.settings.mail'),
+                'icon'   => 'ion-paper-airplane',
+                'active' => false,
+            ],
             'about' => [
                 'title'  => CACHET_VERSION,
                 'url'    => 'javascript: void(0);',
@@ -266,6 +275,47 @@ class SettingsController extends Controller
         return View::make('dashboard.settings.log')->withLog($logContents)->withSubMenu($this->subMenu);
     }
 
+    /**
+     * Show the mail settings view.
+     *
+     * @return \Illuminate\View\View
+     */
+    public function showMailView()
+    {
+        $this->subMenu['mail']['active'] = true;
+
+        return View::make('dashboard.settings.mail')->withConfig(Config::get('mail'));
+    }
+
+    /**
+     * Test the mail config.
+     *
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function testMail()
+    {
+        dispatch(new TestMailCommand(Auth::user()));
+
+        return cachet_redirect('dashboard.settings.mail')
+            ->withSuccess(trans('dashboard.notifications.awesome'));;
+    }
+
+    /**
+     * Handle updating of the settings.
+     *
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function postMail()
+    {
+        $config = Binput::get('config');
+
+        dispatch(new UpdateConfigCommand($config));
+
+        return cachet_redirect('dashboard.settings.mail')
+            ->withInput(Binput::all())
+            ->withSuccess(trans('dashboard.notifications.awesome'));
+    }
+
     /**
      * Updates the status page settings.
      *