gnu-social/components/Group/Controller/Group.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\Group\Controller;
use App\Core\Cache;
use App\Core\DB\DB;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Core\UserRoles;
use App\Entity as E;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\NicknameEmptyException;
use App\Util\Exception\NicknameInvalidException;
use App\Util\Exception\NicknameNotAllowedException;
use App\Util\Exception\NicknameTakenException;
use App\Util\Exception\NicknameTooLongException;
use App\Util\Exception\NoLoggedInUser;
use App\Util\Exception\RedirectException;
use App\Util\Exception\ServerException;
use App\Util\Form\ActorForms;
use App\Util\Nickname;
use Component\Collection\Util\Controller\FeedController;
use Component\Group\Entity\GroupMember;
use Component\Group\Entity\LocalGroup;
use Component\Subscription\Entity\ActorSubscription;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\Request;
class Group extends FeedController
{
/**
* View a group feed by its nickname
*
* @param string $nickname The group's nickname to be shown
*
* @throws NicknameEmptyException
* @throws NicknameNotAllowedException
* @throws NicknameTakenException
* @throws NicknameTooLongException
* @throws ServerException
*
* @return array
*/
public function groupViewNickname(Request $request, string $nickname)
{
Nickname::validate($nickname, which: Nickname::CHECK_LOCAL_GROUP); // throws
$group = LocalGroup::getActorByNickname($nickname);
$actor = Common::actor();
$subscribe_form = null;
if (!\is_null($group)
&& !\is_null($actor)
&& \is_null(Cache::get(
ActorSubscription::cacheKeys($actor, $group)['subscribed'],
fn () => DB::findOneBy('actor_subscription', [
'subscriber_id' => $actor->getId(),
'subscribed_id' => $group->getId(),
], return_null: true),
))
) {
$subscribe_form = Form::create([['subscribe', SubmitType::class, ['label' => _m('Subscribe to this group')]]]);
$subscribe_form->handleRequest($request);
if ($subscribe_form->isSubmitted() && $subscribe_form->isValid()) {
DB::persist(ActorSubscription::create([
'subscriber_id' => $actor->getId(),
'subscribed_id' => $group->getId(),
]));
DB::flush();
Cache::delete(E\Actor::cacheKeys($group->getId())['subscribers']);
Cache::delete(E\Actor::cacheKeys($actor->getId())['subscribed']);
Cache::delete(ActorSubscription::cacheKeys($actor, $group)['subscribed']);
}
}
$notes = !\is_null($group) ? DB::dql(
<<<'EOF'
select n from note n
join activity a with n.id = a.object_id
join group_inbox gi with a.id = gi.activity_id
where a.object_type = 'note' and gi.group_id = :group_id
order by a.created desc, a.id desc
EOF,
['group_id' => $group->getId()],
) : [];
return [
'_template' => 'group/view.html.twig',
'actor' => $group,
'nickname' => $group?->getNickname() ?? $nickname,
'notes' => $notes,
'subscribe_form' => $subscribe_form?->createView(),
];
}
/**
* Page that allows an actor to create a new group
*
* @throws RedirectException
* @throws ServerException
*
* @return array
*/
public function groupCreate(Request $request)
{
if (\is_null($actor = Common::actor())) {
throw new RedirectException('security_login');
}
$create_form = Form::create([
['group_nickname', TextType::class, ['label' => _m('Group nickname')]],
['group_create', SubmitType::class, ['label' => _m('Create this group!')]],
]);
$create_form->handleRequest($request);
if ($create_form->isSubmitted() && $create_form->isValid()) {
$data = $create_form->getData();
$nickname = $data['group_nickname'];
Log::info(
_m(
'Actor id:{actor_id} nick:{actor_nick} created the group {nickname}',
['{actor_id}' => $actor->getId(), 'actor_nick' => $actor->getNickname(), 'nickname' => $nickname],
),
);
DB::persist($group = E\Actor::create([
'nickname' => $nickname,
'type' => E\Actor::GROUP,
'is_local' => true,
'roles' => UserRoles::BOT,
]));
DB::persist(LocalGroup::create([
'group_id' => $group->getId(),
'nickname' => $nickname,
]));
DB::persist(ActorSubscription::create([
'subscriber_id' => $group->getId(),
'subscribed_id' => $group->getId(),
]));
DB::persist(GroupMember::create([
'group_id' => $group->getId(),
'actor_id' => $actor->getId(),
'is_admin' => true,
]));
DB::flush();
Cache::delete(E\Actor::cacheKeys($actor->getId())['subscribers']);
Cache::delete(E\Actor::cacheKeys($actor->getId())['subscribed']);
throw new RedirectException();
}
return [
'_template' => 'group/create.html.twig',
'create_form' => $create_form->createView(),
];
}
/**
* Settings page for the group with the provided nickname, checks if the current actor can administrate given group
*
* @throws ClientException
* @throws NicknameEmptyException
* @throws NicknameInvalidException
* @throws NicknameNotAllowedException
* @throws NicknameTakenException
* @throws NicknameTooLongException
* @throws NoLoggedInUser
* @throws ServerException
*
* @return array
*/
public function groupSettings(Request $request, string $nickname)
{
$local_group = LocalGroup::getByNickname($nickname);
$group_actor = $local_group->getActor();
$actor = Common::actor();
if (!\is_null($group_actor) && $actor->canAdmin($group_actor)) {
return [
'_template' => 'group/settings.html.twig',
'group' => $group_actor,
'personal_info_form' => ActorForms::personalInfo($request, $actor, $local_group)->createView(),
'open_details_query' => $this->string('open'),
];
} else {
throw new ClientException(_m('You do not have permission to edit settings for the group "{group}"', ['{group}' => $nickname]), code: 404);
}
}
}