[COMPONENT][Posting][FORM] Refactor Posting form to use a form action with a separate controller and the new Form::forceRedirect

components/Posting/Controller/Posting.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Component\Posting\Controller;
+
+use App\Core;
+use App\Core\Controller;
+use App\Core\Event;
+use function App\Core\I18n\_m;
+use App\Core\VisibilityScope;
+use App\Util\Common;
+use App\Util\Exception\ClientException;
+use Component\Posting\Form;
+use Symfony\Component\HttpFoundation\File\Exception\FormSizeFileException;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+
+class Posting extends Controller
+{
+    public function onPost(Request $request): RedirectResponse
+    {
+        $actor = Common::actor();
+        $form  = Form\Posting::create($request);
+
+        $form->handleRequest($request);
+        if ($form->isSubmitted()) {
+            try {
+                if ($form->isValid()) {
+                    $data = $form->getData();
+                    Event::handle('PostingModifyData', [$request, $actor, &$data, $form]);
+
+                    if (empty($data['content']) && empty($data['attachments'])) {
+                        // TODO Display error: At least one of `content` and `attachments` must be provided
+                        throw new ClientException(_m('You must enter content or provide at least one attachment to post a note.'));
+                    }
+
+                    if (\is_null(VisibilityScope::tryFrom($data['visibility']))) {
+                        throw new ClientException(_m('You have selected an impossible visibility.'));
+                    }
+
+                    $extra_args = [];
+                    Event::handle('AddExtraArgsToNoteContent', [$request, $actor, $data, &$extra_args, $form]);
+
+                    if (\array_key_exists('in', $data) && $data['in'] !== 'public') {
+                        $target = $data['in'];
+                    }
+
+                    \Component\Posting\Posting::storeLocalNote(
+                        actor: $actor,
+                        content: $data['content'],
+                        content_type: $data['content_type'],
+                        locale: $data['language'],
+                        scope: VisibilityScope::from($data['visibility']),
+                        targets: isset($target) ? [$target] : [],
+                        reply_to: $data['reply_to_id'],
+                        attachments: $data['attachments'],
+                        process_note_content_extra_args: $extra_args,
+                    );
+
+                    return Core\Form::forceRedirect($form, $request);
+                }
+            } catch (FormSizeFileException $e) {
+                throw new ClientException(_m('Invalid file size given'), previous: $e);
+            }
+        }
+        throw new ClientException(_m('Invalid form submission'));
+    }
+}