gnu-social/plugins/Favourite/Favourite.php

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<?php
// {{{ 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;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Form;
use App\Core\Modules\NoteHandlerPlugin;
use App\Core\Router\RouteLoader;
use App\Entity\Note;
use App\Util\Common;
use App\Util\Exception\InvalidFormException;
use App\Util\Exception\NoSuchNoteException;
use App\Util\Exception\RedirectException;
use App\Util\Formatting;
use App\Util\Nickname;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\HttpFoundation\Request;
class Favourite extends NoteHandlerPlugin
{
/**
* HTML rendering event that adds the favourite form as a note
* action, if a user is logged in
*
* @param Request $request
* @param Note $note
* @param array $actions
*
* @throws RedirectException
* @throws InvalidFormException
* @throws NoSuchNoteException
*
* @return bool Event hook
*/
public function onAddNoteActions(Request $request, Note $note, array &$actions): bool
{
if (($user = Common::user()) === null) {
return Event::next;
}
// if note is favourited, "is_set" is 1
$opts = ['note_id' => $note->getId(), 'gsactor_id' => $user->getId()];
$is_set = DB::find('favourite', $opts) != null;
$form_fav = Form::create([
['submit_fav', SubmitType::class,
[
'label' => ' ',
'attr' => [
'class' => $is_set ? 'favourite-button-on' : 'favourite-button-off',
],
],
],
['note_id', HiddenType::class, ['data' => $note->getId()]],
["favourite-{$note->getId()}", HiddenType::class, ['data' => $is_set ? '1' : '0']],
]);
// Form handler
$ret = self::noteActionHandle(
$request, $form_fav, $note, "favourite-{$note->getId()}", /**
* Called from form handler
*
* @param $note Note to be favourited
* @param $data Form input
*
* @throws RedirectException Always thrown in order to prevent accidental form re-submit from browser
*/ function ($note, $data) use ($opts, $request) {
$fave = DB::find('favourite', $opts);
if ($data["favourite-{$note->getId()}"] === '0' && $fave === null) {
DB::persist(Entity\Favourite::create($opts));
DB::flush();
} else {
if ($data["favourite-{$note->getId()}"] === '1' && $fave !== null) {
DB::remove($fave);
DB::flush();
}
}
// Prevent accidental refreshes from resubmitting the form
throw new RedirectException();
return Event::stop;
});
if ($ret != null) {
return $ret;
}
$actions[] = $form_fav->createView();
return Event::next;
}
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public function onInsertLeftPanelLink(string $user_nickname, &$res): bool
{
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$res[] = Formatting::twigRenderString(<<<END
<a href="{{ path("favourites", {'nickname' : user_nickname}) }}" class='hover-effect {{ active("favourites") }}'>Favourites</a>
<a href="{{ path("reverse_favourites", {'nickname' : user_nickname}) }}" class='hover-effect {{ active("reverse_favourites") }}'>Reverse Favs</a>
END, ['user_nickname' => $user_nickname]);
return Event::next;
}
public function onAddRoute(RouteLoader $r): bool
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{
$r->connect('favourites', '/favourites/{nickname<' . Nickname::DISPLAY_FMT . '>}', [Controller\Favourite::class, 'favourites']);
$r->connect('reverse_favourites', '/reverse_favourites/{nickname<' . Nickname::DISPLAY_FMT . '>}', [Controller\Favourite::class, 'reverseFavourites']);
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return Event::next;
}
}