gnu-social/plugins/Favourite/Controller/Favourite.php

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<?php
declare(strict_types = 1);
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// {{{ 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 Plugin\Favourite\Controller;
use App\Core\Controller;
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use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Core\Router\Router;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\InvalidFormException;
use App\Util\Exception\NoLoggedInUser;
use App\Util\Exception\NoSuchNoteException;
use App\Util\Exception\RedirectException;
use Plugin\Favourite\Entity\Favourite as FavouriteEntity;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
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use Symfony\Component\HttpFoundation\Request;
class Favourite extends Controller
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{
/**
* @throws \App\Util\Exception\ServerException
* @throws InvalidFormException
* @throws NoLoggedInUser
* @throws NoSuchNoteException
* @throws RedirectException
*/
public function favouriteAddNote(Request $request, int $id): bool|array
{
$user = Common::ensureLoggedIn();
$actor_id = $user->getId();
$opts = ['id' => $id];
$add_favourite_note = DB::find('note', $opts);
if (\is_null($add_favourite_note)) {
throw new NoSuchNoteException();
}
$form_add_to_favourite = Form::create([
['add_favourite', SubmitType::class,
[
'label' => _m('Favourite note!'),
'attr' => [
'title' => _m('Favourite this note!'),
],
],
],
]);
$form_add_to_favourite->handleRequest($request);
if ($form_add_to_favourite->isSubmitted()) {
$opts = ['note_id' => $id, 'actor_id' => $user->getId()];
$note_already_favourited = DB::find('favourite', $opts);
if (\is_null($note_already_favourited)) {
$opts = ['note_id' => $id, 'actor_id' => $user->getId()];
DB::persist(FavouriteEntity::create($opts));
DB::flush();
}
// Redirect user to where they came from
// Prevent open redirect
if (!\is_null($from = $this->string('from'))) {
if (Router::isAbsolute($from)) {
Log::warning("Actor {$actor_id} attempted to reply to a note and then get redirected to another host, or the URL was invalid ({$from})");
throw new ClientException(_m('Can not redirect to outside the website from here'), 400); // 400 Bad request (deceptive)
} else {
// TODO anchor on element id
throw new RedirectException($from);
}
} else {
// If we don't have a URL to return to, go to the instance root
throw new RedirectException('root');
}
}
return [
'_template' => 'favourite/add_to_favourites.html.twig',
'note' => $add_favourite_note,
'add_favourite' => $form_add_to_favourite->createView(),
];
}
/**
* @throws \App\Util\Exception\ServerException
* @throws InvalidFormException
* @throws NoLoggedInUser
* @throws NoSuchNoteException
* @throws RedirectException
*/
public function favouriteRemoveNote(Request $request, int $id): array
{
$user = Common::ensureLoggedIn();
$actor_id = $user->getId();
$opts = ['note_id' => $id, 'actor_id' => $user->getId()];
$remove_favourite_note = DB::find('favourite', $opts);
if (\is_null($remove_favourite_note)) {
throw new NoSuchNoteException();
}
$form_remove_favourite = Form::create([
['remove_favourite', SubmitType::class,
[
'label' => _m('Remove favourite'),
'attr' => [
'title' => _m('Remove note from favourites.'),
],
],
],
]);
$form_remove_favourite->handleRequest($request);
if ($form_remove_favourite->isSubmitted()) {
if ($remove_favourite_note) {
DB::remove($remove_favourite_note);
DB::flush();
}
// Redirect user to where they came from
// Prevent open redirect
if (!\is_null($from = $this->string('from'))) {
if (Router::isAbsolute($from)) {
Log::warning("Actor {$actor_id} attempted to reply to a note and then get redirected to another host, or the URL was invalid ({$from})");
throw new ClientException(_m('Can not redirect to outside the website from here'), 400); // 400 Bad request (deceptive)
} else {
// TODO anchor on element id
throw new RedirectException($from);
}
} else {
// If we don't have a URL to return to, go to the instance root
throw new RedirectException('root');
}
}
$note = DB::find('note', ['id' => $id]);
return [
'_template' => 'favourite/remove_from_favourites.html.twig',
'note' => $note,
'remove_favourite' => $form_remove_favourite->createView(),
];
}
public function favouritesByActorId(Request $request, int $id)
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{
$notes = DB::dql(
'select n from App\Entity\Note n, Plugin\Favourite\Entity\Favourite f '
. 'where n.id = f.note_id '
. 'and f.actor_id = :id '
. 'order by f.created DESC',
['id' => $id],
);
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$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
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return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes_out,
'page_title' => 'Favourites feed.',
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];
}
public function favouritesByActorNickname(Request $request, string $nickname)
{
$user = DB::findOneBy('local_user', ['nickname' => $nickname]);
return self::favouritesByActorId($request, $user->getId());
}
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/**
* Reverse favourites stream
*
* @throws NoLoggedInUser user not logged in
*
* @return array template
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*/
public function reverseFavouritesByActorId(Request $request, int $id): array
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{
$notes = DB::dql(
'select n from App\Entity\Note n, Plugin\Favourite\Entity\Favourite f '
. 'where n.id = f.note_id '
. 'and f.actor_id != :id '
. 'and n.actor_id = :id '
. 'order by f.created DESC',
['id' => $id],
);
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$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
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return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes,
'page_title' => 'Reverse favourites feed.',
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];
}
public function reverseFavouritesByActorNickname(Request $request, string $nickname)
{
$user = DB::findOneBy('local_user', ['nickname' => $nickname]);
return self::reverseFavouritesByActorId($request, $user->getId());
}
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}