[MODULES][Collection] Abstracting Collections
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157
src/Core/Modules/Collection.php
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157
src/Core/Modules/Collection.php
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<?php
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declare(strict_types = 1);
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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/**
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* Collections for GNU social
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*
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* @package GNUsocial
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* @category Plugin
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*
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* @author Phablulo <phablulo@gmail.com>
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* @copyright 2018-2019, 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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namespace App\Core\Modules;
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use App\Core\DB\DB;
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use App\Core\Event;
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use App\Core\Form;
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use function App\Core\I18n\_m;
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use App\Entity\Actor;
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use App\Util\Common;
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use App\Util\Exception\RedirectException;
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use App\Util\Formatting;
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use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
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use Symfony\Component\Form\Extension\Core\Type\SubmitType;
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use Symfony\Component\Form\Extension\Core\Type\TextType;
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use Symfony\Component\HttpFoundation\Request;
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abstract class Collection extends Plugin
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{
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protected string $slug = 'collection';
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protected string $plural_slug = 'collections';
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abstract protected function createCollection(Actor $owner, array $vars, string $name);
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abstract protected function removeItems(Actor $owner, array $vars, $items, array $collections);
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abstract protected function addItems(Actor $owner, array $vars, $items, array $collections);
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abstract protected function shouldAddToRightPanel(Actor $user, $vars, Request $request): bool;
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abstract protected function getCollectionsBy(Actor $owner, ?array $vars = null, bool $ids_only = false): array;
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/**
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* Append Collections widget to the right panel.
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* It's compose of two forms: one to select collections to add
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* the current item to, and another to create a new collection.
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*/
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public function onAppendRightPanelBlock($vars, Request $request, &$res): bool
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{
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$user = Common::actor();
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if (\is_null($user)) {
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return Event::next;
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}
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if (!$this->shouldAddToRightPanel($user, $vars, $request)) {
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return Event::next;
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}
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$collections = $this->getCollectionsBy($user);
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// form: add to collection
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$choices = [];
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foreach ($collections as $col) {
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$choices[$col->getName()] = $col->getId();
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}
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$already_selected = $this->getCollectionsBy($user, $vars, true);
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$add_form = Form::create([
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['collections', ChoiceType::class, [
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'choices' => $choices,
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'multiple' => true,
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'required' => false,
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'choice_attr' => function ($id) use ($already_selected) {
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if (\in_array($id, $already_selected)) {
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return ['selected' => 'selected'];
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}
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return [];
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},
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]],
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['add', SubmitType::class, [
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'label' => _m('Add to ' . $this->plural_slug),
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'attr' => [
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'title' => _m('Add to ' . $this->plural_slug),
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],
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]],
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]);
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$add_form->handleRequest($request);
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if ($add_form->isSubmitted() && $add_form->isValid()) {
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$collections = $add_form->getData()['collections'];
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$removed = array_filter($already_selected, fn ($x) => !\in_array($x, $collections));
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$added = array_filter($collections, fn ($x) => !\in_array($x, $already_selected));
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if (\count($removed) > 0) {
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$this->removeItems($user, $vars, $removed, $collections);
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}
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if (\count($added) > 0) {
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$this->addItems($user, $vars, $added, $collections);
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}
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DB::flush();
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throw new RedirectException();
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}
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// form: add to new collection
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$create_form = Form::create([
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['name', TextType::class, [
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'label' => _m('Add to a new ' . $this->slug),
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'attr' => [
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'placeholder' => _m('New ' . $this->slug . ' name'),
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'required' => 'required',
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],
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'data' => '',
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]],
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['create', SubmitType::class, [
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'label' => _m('Create a new ' . $this->slug),
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'attr' => [
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'title' => _m('Create a new ' . $this->slug),
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],
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]],
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]);
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$create_form->handleRequest($request);
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if ($create_form->isSubmitted() && $create_form->isValid()) {
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$name = $create_form->getData()['name'];
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$this->createCollection($user, $vars, $name);
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DB::flush();
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throw new RedirectException();
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}
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$res[] = Formatting::twigRenderFile(
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'collections/widget.html.twig',
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[
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'ctitle' => _m('Add to ' . $this->plural_slug),
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'user' => $user,
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'has_collections' => \count($collections) > 0,
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'add_form' => $add_form->createView(),
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'create_form' => $create_form->createView(),
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],
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);
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return Event::next;
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}
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public function onEndShowStyles(array &$styles, string $route): bool
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{
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$styles[] = 'components/Collection/assets/css/widget.css';
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$styles[] = 'components/Collection/assets/css/pages.css';
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return Event::next;
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}
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}
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