116 lines
3.1 KiB
PHP
116 lines
3.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Comments\Collaboration;
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use OCP\Collaboration\AutoComplete\ISorter;
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use OCP\Comments\ICommentsManager;
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class CommentersSorter implements ISorter {
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/** @var ICommentsManager */
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private $commentsManager;
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public function __construct(ICommentsManager $commentsManager) {
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$this->commentsManager = $commentsManager;
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}
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public function getId() {
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return 'commenters';
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}
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/**
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* Sorts people who commented on the given item atop (descelating) of the
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* others
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*
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* @param array $sortArray
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* @param array $context
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*/
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public function sort(array &$sortArray, array $context) {
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$commenters = $this->retrieveCommentsInformation($context['itemType'], $context['itemId']);
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if(count($commenters) === 0) {
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return;
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}
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foreach ($sortArray as $type => &$byType) {
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if(!isset($commenters[$type])) {
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continue;
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}
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// at least on PHP 5.6 usort turned out to be not stable. So we add
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// the current index to the value and compare it on a draw
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$i = 0;
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$workArray = array_map(function($element) use (&$i) {
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return [$i++, $element];
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}, $byType);
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usort($workArray, function ($a, $b) use ($commenters, $type) {
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$r = $this->compare($a[1], $b[1], $commenters[$type]);
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if($r === 0) {
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$r = $a[0] - $b[0];
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}
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return $r;
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});
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// and remove the index values again
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$byType = array_column($workArray, 1);
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}
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}
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/**
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* @param $type
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* @param $id
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* @return array
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*/
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protected function retrieveCommentsInformation($type, $id) {
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$comments = $this->commentsManager->getForObject($type, $id);
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if(count($comments) === 0) {
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return [];
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}
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$actors = [];
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foreach ($comments as $comment) {
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if(!isset($actors[$comment->getActorType()])) {
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$actors[$comment->getActorType()] = [];
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}
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if(!isset($actors[$comment->getActorType()][$comment->getActorId()])) {
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$actors[$comment->getActorType()][$comment->getActorId()] = 1;
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} else {
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$actors[$comment->getActorType()][$comment->getActorId()]++;
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}
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}
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return $actors;
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}
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protected function compare(array $a, array $b, array $commenters) {
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$a = $a['value']['shareWith'];
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$b = $b['value']['shareWith'];
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$valueA = isset($commenters[$a]) ? $commenters[$a] : 0;
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$valueB = isset($commenters[$b]) ? $commenters[$b] : 0;
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return $valueB - $valueA;
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}
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}
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