gnu-social/components/LeftPanel/Controller/EditFeeds.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/>.
// }}}
namespace Component\LeftPanel\Controller;
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use App\Core\Cache;
use App\Core\Controller;
use App\Core\DB;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Router;
use App\Entity\Feed;
use App\Util\Common;
use App\Util\Exception\ClientException;
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use App\Util\Exception\RedirectException;
use Component\Collection\Util\Controller\FeedController;
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use Functional as F;
use Symfony\Component\Form\Extension\Core\Type\IntegerType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
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use Symfony\Component\Form\SubmitButton;
use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\Routing\Exception\ResourceNotFoundException;
class EditFeeds extends Controller
{
/**
* Controller for editing the list of feeds in the user's left
* panel. Adds and removes `\App\Entity\Feed`s as appropriate
*/
public function __invoke(Request $request)
{
$user = Common::ensureLoggedIn();
$key = Feed::cacheKey($user);
$feeds = Feed::getFeeds($user);
$form_definitions = [];
foreach ($feeds as $feed) {
$md5 = md5($feed->getUrl());
$form_definitions[] = [$md5 . '-url', TextType::class, ['data' => $feed->getUrl(), 'label' => _m('URL'), 'block_prefix' => 'row_url']];
$form_definitions[] = [$md5 . '-order', IntegerType::class, ['data' => $feed->getOrdering(), 'label' => _m('Order'), 'block_prefix' => 'row_order']];
$form_definitions[] = [$md5 . '-title', TextType::class, ['data' => $feed->getTitle(), 'label' => _m('Title'), 'block_prefix' => 'row_title']];
$form_definitions[] = [$md5 . '-remove', SubmitType::class, ['label' => _m('Remove'), 'block_prefix' => 'row_remove']];
}
$form_definitions[] = ['url', TextType::class, ['label' => _m('New feed'), 'required' => false]];
$form_definitions[] = ['order', IntegerType::class, ['label' => _m('Order'), 'data' => (\count($form_definitions) / 4) + 1]];
$form_definitions[] = ['title', TextType::class, ['label' => _m('Title'), 'required' => false]];
$form_definitions[] = ['add', SubmitType::class, ['label' => _m('Add')]];
$form_definitions[] = ['update_exisiting', SubmitType::class, ['label' => _m('Update existing')]];
$form_definitions[] = ['reset', SubmitType::class, ['label' => _m('Reset to default values')]];
$form = Form::create($form_definitions);
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
$data = $form->getData();
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/** @var SubmitButton $update_existing */
$update_existing = $form->get('update_exisiting');
if ($update_existing->isClicked()) {
// Each feed has a URL, an order and a title
$feeds_data = array_chunk($data, 3, preserve_keys: true);
// The last three would be the new one
array_pop($feeds_data);
// Sort by the order
usort($feeds_data, fn ($fd_l, $fd_r) => next($fd_l) <=> next($fd_r));
// Make the order sequential
$order = 1;
foreach ($feeds_data as $i => $fd) {
next($fd);
$feeds_data[$i][key($fd)] = $order++;
}
// Update the fields in the corresponding feed
foreach ($feeds_data as $fd) {
$md5 = str_replace('-url', '', array_key_first($fd));
$feed = F\first($feeds, fn ($f) => md5($f->getUrl()) === $md5);
$feed->setUrl($fd[$md5 . '-url']);
$feed->setOrdering($fd[$md5 . '-order']);
$feed->setTitle($fd[$md5 . '-title']);
}
DB::flush();
Cache::delete($key);
throw new RedirectException();
}
// TODO fix orderings when removing
// Remove feed
foreach ($form_definitions as [$field, $type, $opts]) {
if (str_ends_with($field, '-url')) {
$remove_id = str_replace('-url', '-remove', $field);
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/** @var SubmitButton $remove_button */
$remove_button = $form->get($remove_id);
if ($remove_button->isClicked()) {
DB::remove(DB::getReference('feed', ['actor_id' => $user->getId(), 'url' => $opts['data']]));
DB::flush();
Cache::delete($key);
throw new RedirectException();
}
}
}
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/** @var SubmitButton $reset_button */
$reset_button = $form->get('reset');
if ($reset_button->isClicked()) {
F\map(DB::findBy('feed', ['actor_id' => $user->getId()]), fn ($f) => DB::remove($f));
DB::flush();
Cache::delete($key);
Feed::createDefaultFeeds($user->getId(), $user);
DB::flush();
throw new RedirectException();
}
// Add feed
try {
$match = Router::match($data['url']);
$route = $match['_route'];
$controller = $match['_controller'];
if (!is_subclass_of($controller, FeedController::class)) {
throw new ClientException(_m('The page with url "{url}" is not a valid feed', ['{url}' => $data['url']]));
}
DB::persist(Feed::create([
'actor_id' => $user->getId(),
'url' => $data['url'],
'route' => $route,
'title' => $data['title'],
'ordering' => $data['order'],
]));
DB::flush();
Cache::delete($key);
throw new RedirectException();
} catch (ResourceNotFoundException) {
throw new ClientException(_m('Invalid route with url "{url}"', ['{url}' => $data['url']]), code: 404);
}
}
return [
'_template' => 'left_panel/edit_feeds.html.twig',
'edit_feeds' => $form->createView(),
];
}
}