gnu-social/src/Core/Controller/CollectionController.php

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<?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/>.
// }}}
/**
* Collections Controller for GNU social
*
* @package GNUsocial
* @category Plugin
*
* @author Phablulo <phablulo@gmail.com>
* @copyright 2018-2019, 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace App\Core\Controller;
use App\Core\DB\DB;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Router\Router;
use App\Entity\LocalUser;
use App\Util\Common;
use App\Util\Exception\RedirectException;
use Component\Feed\Util\FeedController;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\Request;
abstract class CollectionController extends FeedController
{
protected string $slug = 'collection';
protected string $plural_slug = 'collections';
protected string $page_title = 'collections';
abstract public function getCollectionUrl(int $owner_id, string $owner_nickname, int $collection_id): string;
abstract public function getCollectionItems(int $owner_id, $collection_id): array;
abstract public function getCollectionsBy(int $owner_id): array;
abstract public function getCollectionBy(int $owner_id, int $collection_id);
abstract public function createCollection(int $owner_id, string $name);
public function collectionsByActorNickname(Request $request, string $nickname): array
{
$user = DB::findOneBy(LocalUser::class, ['nickname' => $nickname]);
return self::collectionsView($request, $user->getId(), $nickname);
}
public function collectionsViewByActorId(Request $request, int $id): array
{
return self::collectionsView($request, $id, null);
}
/**
* Generate Collections page
*
* @param int $id actor id
* @param ?string $nickname actor nickname
*
* @return array twig template options
*/
public function collectionsView(Request $request, int $id, ?string $nickname): array
{
$collections = $this->getCollectionsBy($id);
// create collection form
$create = null;
if (Common::user()?->getId() === $id) {
$create = Form::create([
['name', TextType::class, [
'label' => _m('Create ' . $this->slug),
'attr' => [
'placeholder' => _m('Name'),
'required' => 'required',
],
'data' => '',
]],
['add_collection', SubmitType::class, [
'label' => _m('Create ' . $this->slug),
'attr' => [
'title' => _m('Create ' . $this->slug),
],
]],
]);
$create->handleRequest($request);
if ($create->isSubmitted() && $create->isValid()) {
$this->createCollection($id, $create->getData()['name']);
DB::flush();
throw new RedirectException();
}
}
// We need to inject some functions in twig,
// but I don't want to create an environment for this
// as twig docs suggest in https://twig.symfony.com/doc/2.x/advanced.html#functions.
//
// Instead, I'm using an anonymous class to encapsulate
// the functions and passing that class to the template.
// This is suggested at https://stackoverflow.com/a/50364502.
$fn = new class($id, $nickname, $request, $this, $this->slug) {
private $id;
private $nick;
private $request;
private $parent;
private $slug;
public function __construct($id, $nickname, $request, $parent, $slug)
{
$this->id = $id;
$this->nick = $nickname;
$this->request = $request;
$this->parent = $parent;
$this->slug = $slug;
}
// there's already a injected function called path,
// that maps to Router::url(name, args), but since
// I want to preserve nicknames, I think it's better
// to use that getUrl function
public function getUrl($cid)
{
return $this->parent->getCollectionUrl($this->id, $this->nick, $cid);
}
// There are many collections in this page and we need two
// forms for each one of them: one form to edit the collection's
// name and another to remove the collection.
// creating the edit form
public function editForm($collection)
{
$edit = Form::create([
['name', TextType::class, [
'attr' => [
'placeholder' => 'New name',
'required' => 'required',
],
'data' => '',
]],
['update_' . $collection->getId(), SubmitType::class, [
'label' => _m('Save'),
'attr' => [
'title' => _m('Save'),
],
]],
]);
$edit->handleRequest($this->request);
if ($edit->isSubmitted() && $edit->isValid()) {
$collection->setName($edit->getData()['name']);
DB::persist($collection);
DB::flush();
throw new RedirectException();
}
return $edit->createView();
}
// creating the remove form
public function rmForm($collection)
{
$rm = Form::create([
['remove_' . $collection->getId(), SubmitType::class, [
'label' => _m('Delete ' . $this->slug),
'attr' => [
'title' => _m('Delete ' . $this->slug),
'class' => 'danger',
],
]],
]);
$rm->handleRequest($this->request);
if ($rm->isSubmitted()) {
DB::remove($collection);
DB::flush();
throw new RedirectException();
}
return $rm->createView();
}
};
return [
'_template' => 'collections/collections.html.twig',
'page_title' => $this->page_title,
'add_collection' => $create?->createView(),
'fn' => $fn,
'collections' => $collections,
];
}
public function collectionNotesByNickname(Request $request, string $nickname, int $cid): array
{
$user = DB::findOneBy(LocalUser::class, ['nickname' => $nickname]);
return self::collectionNotesByActorId($request, $user->getId(), $cid);
}
public function collectionNotesByActorId(Request $request, int $id, int $cid): array
{
$collection = $this->getCollectionBy($id, $cid);
$vars = $this->getCollectionItems($id, $cid);
return array_merge([
'_template' => 'collections/collection.html.twig',
'page_title' => $collection->getName(),
], $vars);
}
}