gnu-social/components/Conversation/Conversation.php

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<?php
declare(strict_types = 1);
// {{{ License
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// 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/>.
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// }}}
namespace Component\Conversation;
use App\Core\Cache;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Modules\Component;
use App\Core\Router\RouteLoader;
use App\Core\Router\Router;
use App\Entity\Actor;
use App\Entity\Note;
use App\Util\Common;
use Component\Conversation\Controller\Reply as ReplyController;
use Component\Conversation\Entity\Conversation as ConversationEntity;
use Symfony\Component\HttpFoundation\Request;
use function App\Core\I18n\_m;
class Conversation extends Component
{
/**
* **Assigns** the given local Note it's corresponding **Conversation**
*
* **If a _$parent_id_ is not given**, then the Actor is not attempting a reply,
* therefore, we can assume (for now) that we need to create a new Conversation and assign it
* to the newly created Note (please look at Component\Posting::storeLocalNote, where this function is used)
*
* **On the other hand**, given a _$parent_id_, the Actor is attempting to post a reply. Meaning that,
* this Note conversation_id should be same as the parent Note
*/
public static function assignLocalConversation(Note $current_note, ?int $parent_id): void
{
if (!$parent_id) {
// If none found, we don't know yet if it is a reply or root
// Let's assume for now that it's a new conversation and deal with stitching later
$conversation = ConversationEntity::create(['initial_note_id' => $current_note->getId()]);
// We need the Conversation id itself, so a persist is in order
DB::persist($conversation);
// Set current_note's own conversation_id
$current_note->setConversationId($conversation->getId());
} else {
// It's a reply for sure
// Set reply_to property in newly created Note to parent's id
$current_note->setReplyTo($parent_id);
// Parent will have a conversation of its own, the reply should have the same one
$parent_note = Note::getById($parent_id);
$current_note->setConversationId($parent_note->getConversationId());
}
DB::merge($current_note);
}
/**
* HTML rendering event that adds a reply link as a note
* action, if a user is logged in
*/
public function onAddNoteActions(Request $request, Note $note, array &$actions): bool
{
if (\is_null(Common::user())) {
return Event::next;
}
// Generating URL for reply action route
$args = ['note_id' => $note->getId(), 'actor_id' => $note->getActor()->getId()];
$type = Router::ABSOLUTE_PATH;
$reply_action_url = Router::url('reply_add', $args, $type);
$query_string = $request->getQueryString();
// Concatenating get parameter to redirect the user to where he came from
$reply_action_url .= '?from=' . urlencode($request->getRequestUri()) . '#note-anchor-' . $note->getId();
$reply_action = [
'url' => $reply_action_url,
'title' => _m('Reply to this note!'),
'classes' => 'button-container reply-button-container note-actions-unset',
'id' => 'reply-button-container-' . $note->getId(),
];
$actions[] = $reply_action;
return Event::next;
}
public function onAddExtraArgsToNoteContent(Request $request, Actor $actor, array $data, array &$extra_args): bool
{
// If Actor is adding a reply, get parent's Note id
// Else it's null
$extra_args['reply_to'] = $request->get('_route') === 'reply_add' ? (int) $request->get('note_id') : null;
return Event::next;
}
/**
* Append on note information about user actions
*/
public function onAppendCardNote(array $vars, array &$result): bool
{
// If note is the original and user isn't the one who repeated, append on end "user repeated this"
// If user is the one who repeated, append on end "you repeated this, remove repeat?"
$check_user = !\is_null(Common::user());
// The current Note being rendered
$note = $vars['note'];
// Will have actors array, and action string
// Actors are the subjects, action is the verb (in the final phrase)
$reply_actors = [];
$note_replies = $note->getReplies();
// Get actors who repeated the note
foreach ($note_replies as $reply) {
$reply_actors[] = Actor::getByPK($reply->getActorId());
}
if (\count($reply_actors) < 1) {
return Event::next;
}
// Filter out multiple replies from the same actor
$reply_actors = array_unique($reply_actors, SORT_REGULAR);
$result[] = ['actors' => $reply_actors, 'action' => 'replied to'];
return Event::next;
}
public function onAddRoute(RouteLoader $r): bool
{
$r->connect('reply_add', '/object/note/new?to={actor_id<\d+>}&reply_to={note_id<\d+>}', [ReplyController::class, 'addReply']);
$r->connect('conversation', '/conversation/{conversation_id<\d+>}', [Controller\Conversation::class, 'showConversation']);
return Event::next;
}
public function onPostingGetContextActor(Request $request, Actor $actor, ?Actor $context_actor)
{
$to_query = $request->get('actor_id');
if (!\is_null($to_query)) {
// Getting the actor itself
$context_actor = Actor::getById((int) $to_query);
return Event::stop;
}
return Event::next;
}
public function onNoteDeleteRelated(Note &$note, Actor $actor): bool
{
Cache::delete("note-replies-{$note->getId()}");
DB::wrapInTransaction(function () use ($note) {
foreach ($note->getReplies() as $reply) {
$reply->setReplyTo(null);
}
});
Cache::delete("note-replies-{$note->getId()}");
return Event::next;
}
}