[COMPONENT][Blog] Initial support for in group blogs

components/Blog/Blog.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types = 1);
+// {{{ License
+
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
+
+// }}}
+
+namespace Component\Blog;
+
+use App\Core\Event;
+use App\Core\Modules\Plugin;
+use App\Core\Router\RouteLoader;
+use Component\Blog\Controller as C;
+
+class Blog extends Plugin
+{
+    public function onAddRoute(RouteLoader $r): bool
+    {
+        $r->connect(id: 'blog_post', uri_path: '/blog/post', target: [C\Post::class, 'makePost']);
+        return Event::next;
+    }
+}

components/Blog/Controller/Post.php

@@ -0,0 +1,177 @@
+<?php
+
+declare(strict_types = 1);
+
+// {{{ License
+
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
+
+// }}}
+
+namespace Component\Blog\Controller;
+
+use App\Core\ActorLocalRoles;
+use App\Core\Controller;
+use App\Core\Event;
+use App\Core\Form;
+use function App\Core\I18n\_m;
+use App\Core\Router\Router;
+use App\Core\VisibilityScope;
+use App\Entity\Actor;
+use App\Util\Common;
+use App\Util\Exception\ClientException;
+use App\Util\Exception\RedirectException;
+use App\Util\Form\FormFields;
+use Component\Posting\Posting;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\FileType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\Extension\Core\Type\TextareaType;
+use Symfony\Component\HttpFoundation\File\Exception\FormSizeFileException;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use Symfony\Component\Validator\Constraints\Length;
+
+class Post extends Controller
+{
+    /**
+     * Creates and handles Blog post creation form
+     *
+     * @throws \App\Util\Exception\DuplicateFoundException
+     * @throws \App\Util\Exception\NoLoggedInUser
+     * @throws \App\Util\Exception\ServerException
+     * @throws ClientException
+     * @throws RedirectException
+     */
+    public function makePost(Request $request)
+    {
+        $actor = Common::ensureLoggedIn()->getActor();
+
+        $placeholder_strings = ['How are you feeling?', 'Have something to share?', 'How was your day?'];
+        Event::handle('PostingPlaceHolderString', [&$placeholder_strings]);
+        $placeholder = $placeholder_strings[array_rand($placeholder_strings)];
+
+        $initial_content = '';
+        Event::handle('PostingInitialContent', [&$initial_content]);
+
+        $available_content_types = [
+            _m('Plain Text') => 'text/plain',
+        ];
+        Event::handle('PostingAvailableContentTypes', [&$available_content_types]);
+
+        $context_actor = Actor::getById($this->int('in'));
+        if (!$context_actor->isGroup()) {
+            throw new \InvalidArgumentException('Only group blog posts are supported for now.');
+        }
+        $in_targets = ["!{$context_actor->getNickname()}" => $context_actor->getId()];
+        $form_params[] = ['in', ChoiceType::class, ['label' => _m('In:'), 'multiple' => false, 'expanded' => false, 'choices' => $in_targets]];
+
+
+        $visibility_options = [
+            _m('Public')    => VisibilityScope::EVERYWHERE->value,
+            _m('Local')     => VisibilityScope::LOCAL->value,
+            _m('Addressee') => VisibilityScope::ADDRESSEE->value,
+        ];
+        if (!\is_null($context_actor) && $context_actor->isGroup()) {
+            if ($actor->canModerate($context_actor)) {
+                if ($context_actor->getRoles() & ActorLocalRoles::PRIVATE_GROUP) {
+                    $visibility_options = array_merge([_m('Group') => VisibilityScope::GROUP->value], $visibility_options);
+                } else {
+                    $visibility_options[_m('Group')] = VisibilityScope::GROUP->value;
+                }
+            }
+        }
+        $form_params[] = ['visibility', ChoiceType::class, ['label' => _m('Visibility:'), 'multiple' => false, 'expanded' => false, 'choices' => $visibility_options]];
+
+        $form_params[] = ['content', TextareaType::class, ['label' => _m('Content:'), 'data' => $initial_content, 'attr' => ['placeholder' => _m($placeholder)], 'constraints' => [new Length(['max' => Common::config('site', 'text_limit')])]]];
+        $form_params[] = ['attachments', FileType::class, ['label' => _m('Attachments:'), 'multiple' => true, 'required' => false, 'invalid_message' => _m('Attachment not valid.')]];
+        $form_params[] = FormFields::language($actor, $context_actor, label: _m('Note language'), help: _m('The selected language will be federated and added as a lang attribute, preferred language can be set up in settings'));
+
+        if (\count($available_content_types) > 1) {
+            $form_params[] = ['content_type', ChoiceType::class,
+                [
+                    'label'   => _m('Text format:'), 'multiple' => false, 'expanded' => false,
+                    'data'    => $available_content_types[array_key_first($available_content_types)],
+                    'choices' => $available_content_types,
+                ],
+            ];
+        }
+
+        Event::handle('PostingAddFormEntries', [$request, $actor, &$form_params]);
+
+        $form_params[] = ['post_note', SubmitType::class, ['label' => _m('Post')]];
+        $form          = Form::create($form_params);
+
+        $form->handleRequest($request);
+        if ($form->isSubmitted()) {
+            try {
+                if ($form->isValid()) {
+                    $data = $form->getData();
+                    Event::handle('PostingModifyData', [$request, $actor, &$data, $form_params, $form]);
+
+                    if (empty($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.'));
+                    }
+
+                    $content_type = $data['content_type'] ?? $available_content_types[array_key_first($available_content_types)];
+                    $extra_args   = [];
+                    Event::handle('AddExtraArgsToNoteContent', [$request, $actor, $data, &$extra_args, $form_params, $form]);
+
+                    if (\array_key_exists('in', $data) && $data['in'] !== 'public') {
+                        $target = $data['in'];
+                    }
+
+                    Posting::storeLocalNote(
+                        actor: $actor,
+                        content: $data['content'],
+                        content_type: $content_type,
+                        locale: $data['language'],
+                        scope: VisibilityScope::from($data['visibility']),
+                        target: $target ?? null,
+                        reply_to_id: $data['reply_to_id'],
+                        attachments: $data['attachments'],
+                        process_note_content_extra_args: $extra_args,
+                    );
+
+                    try {
+                        if ($request->query->has('from')) {
+                            $from = $request->query->get('from');
+                            if (str_contains($from, '#')) {
+                                [$from, $fragment] = explode('#', $from);
+                            }
+                            Router::match($from);
+                            throw new RedirectException(url: $from . (isset($fragment) ? '#' . $fragment : ''));
+                        }
+                    } catch (ResourceNotFoundException $e) {
+                        // continue
+                    }
+                    throw new RedirectException();
+                }
+            } catch (FormSizeFileException $e) {
+                throw new ClientException(_m('Invalid file size given'), previous: $e);
+            }
+        }
+        return [
+            '_template'       => 'blog/make_post.html.twig',
+            'blog_entry_form' => $form->createView(),
+        ];
+    }
+}

components/Blog/templates/blog/make_post.html.twig

@@ -0,0 +1,10 @@
+{% extends 'stdgrid.html.twig' %}
+{% block title %}{{ 'Create a blog post' | trans }}{% endblock %}
+
+{% block body %}
+    {{ parent() }}
+    <section class="frame-section frame-section-padding">
+        <h1>{{ 'Create a blog post' | trans }}</h1>
+        {{ form(blog_entry_form) }}
+    </section>
+{% endblock body %}