Let plugins run their own PHP code

A plugin can now bring a plugin.php that registers hooks, scheduled tasks, its own tables, public pages and admin screens. Failures stay contained to the plugin; a form on a plugin page can be submitted.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/Controller/PluginAdminController.php

@@ -2,7 +2,9 @@
 
 namespace App\Controller;
 
+use App\Ops\Scheduler;
 use App\Plugin\PluginRegistry;
+use App\Plugin\PluginRuntime;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -14,7 +16,7 @@ use Symfony\Component\Routing\Attribute\Route;
  */
 final class PluginAdminController extends AbstractController
 {
-    public function __construct(private PluginRegistry $plugins)
+    public function __construct(private PluginRegistry $plugins, private PluginRuntime $runtime, private Scheduler $scheduler)
     {
     }
 
@@ -24,7 +26,12 @@ final class PluginAdminController extends AbstractController
         // Ein Plugin bringt Code auf die Website - das schaltet nur ein Administrator.
         $this->denyAccessUnlessGranted('ROLE_ADMIN');
 
-        return $this->render('admin/plugins.html.twig', ['plugins' => $this->plugins->all(), 'directory' => $this->plugins->directory()]);
+        $admin = [];
+        foreach ($this->plugins->all() as $name => $plugin) {
+            $admin[$name] = $this->runtime->admin($name);
+        }
+
+        return $this->render('admin/plugins.html.twig', ['plugins' => $this->plugins->all(), 'directory' => $this->plugins->directory(), 'admin' => $admin, 'runtimeErrors' => $this->runtime->errors()]);
     }
 
     #[Route('/%kant.admin_path%/plugins/{name}/{state}', name: 'admin_plugin_toggle', requirements: ['name' => '[a-z][a-z0-9]{1,30}', 'state' => 'an|aus'], methods: ['POST'])]
@@ -36,11 +43,13 @@ final class PluginAdminController extends AbstractController
         }
         try {
             if ('an' === $state) {
-                $this->plugins->activate($name);
+                $this->runtime->activate($name);
+                $this->scheduler->pluginsChanged();
 
                 return $this->back(sprintf('„%s“ ist eingeschaltet. Seine Bausteine stehen jetzt im Editor unter „Erweiterungen“.', $this->plugins->all()[$name]['title']), 'success');
             }
-            $this->plugins->deactivate($name);
+            $this->runtime->deactivate($name);
+            $this->scheduler->pluginsChanged();
 
             return $this->back(sprintf('„%s“ ist ausgeschaltet. Seine Bausteine bleiben in den Seiten gespeichert, werden aber nicht mehr dargestellt.', $this->plugins->all()[$name]['title']), 'success');
         } catch (\InvalidArgumentException $e) {
@@ -64,6 +73,41 @@ final class PluginAdminController extends AbstractController
         return $this->back(sprintf('Die Einstellungen von „%s“ wurden gespeichert.', $this->plugins->all()[$name]['title']), 'success');
     }
 
+    #[Route('/%kant.admin_path%/plugins/{name}/seite/{key}', name: 'admin_plugin_page', requirements: ['name' => '[a-z][a-z0-9]{1,30}', 'key' => '[a-z][a-z0-9-]{0,40}'], methods: ['GET'])]
+    public function page(string $name, string $key): Response
+    {
+        $this->denyAccessUnlessGranted('ROLE_ADMIN');
+        $admin = $this->runtime->admin($name);
+        $page = $admin['pages'][$key] ?? throw $this->createNotFoundException();
+
+        return $this->render('admin/plugin-page.html.twig', ['plugin' => $this->plugins->all()[$name], 'page' => $page, 'actions' => $admin['actions'], 'data' => ($page['callback'])()]);
+    }
+
+    #[Route('/%kant.admin_path%/plugins/{name}/aktion/{key}', name: 'admin_plugin_action', requirements: ['name' => '[a-z][a-z0-9]{1,30}', 'key' => '[a-z][a-z0-9-]{0,40}'], methods: ['POST'])]
+    public function action(Request $request, string $name, string $key): Response
+    {
+        $this->denyAccessUnlessGranted('ROLE_ADMIN');
+        if (!$this->isCsrfTokenValid('plugins', $request->request->getString('_csrf_token'))) {
+            return $this->back('Deine Sitzung ist abgelaufen. Bitte melde dich erneut an.');
+        }
+        $admin = $this->runtime->admin($name);
+        $action = $admin['actions'][$key] ?? throw $this->createNotFoundException();
+        try {
+            if (is_string($action['handler'])) {
+                $result = $this->scheduler->runNow(PluginRuntime::taskName($name, $action['handler']));
+                [$type, $message] = null === $result ? ['error', 'Die Aufgabe läuft gerade schon.'] : ['ok' === $result['status'] ? 'success' : 'error', $result['message']];
+            } else {
+                [$type, $message] = ['success', (string) ($action['handler'])()];
+            }
+        } catch (\Throwable $e) {
+            [$type, $message] = ['error', $e->getMessage()];
+        }
+        $this->addFlash($type, $message);
+        $back = $request->request->getString('zurueck');
+
+        return isset($admin['pages'][$back]) ? $this->redirectToRoute('admin_plugin_page', ['name' => $name, 'key' => $back]) : $this->redirectToRoute('admin_plugins');
+    }
+
     private function back(string $message, string $type = 'error'): Response
     {
         $this->addFlash($type, $message);