53 lines
1.7 KiB
PHP
53 lines
1.7 KiB
PHP
<?php
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declare(strict_types = 1);
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace Plugin\TreeNotes;
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use App\Core\Modules\Plugin;
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use App\Entity\Note;
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class TreeNotes extends Plugin
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{
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/**
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* Format the given $notes_in_trees_out in a list of reply trees
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*/
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public function onFormatNoteList(array $notes_in, ?array &$notes_out)
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{
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$roots = array_filter($notes_in, static fn (Note $note) => is_null($note->getReplyTo()));
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$notes_out = $this->build_tree($roots, $notes_in);
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}
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private function build_tree(array $parents, array $notes)
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{
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$subtree = [];
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foreach ($parents as $p) {
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$subtree[] = $this->build_subtree($p, $notes);
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}
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return $subtree;
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}
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private function build_subtree(Note $parent, array $notes)
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{
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$children = array_filter($notes, fn (Note $note) => $note->getReplyTo() === $parent->getId());
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return ['note' => $parent, 'replies' => $this->build_tree($children, $notes)];
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}
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}
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