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<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Comments\Activity;
use OCP\Activity\IEvent;
use OCP\Activity\IManager;
use OCP\Activity\IProvider;
use OCP\Comments\ICommentsManager;
use OCP\Comments\NotFoundException;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\L10N\IFactory;
class Provider implements IProvider {
/** @var IFactory */
protected $languageFactory;
/** @var IL10N */
protected $l;
/** @var IURLGenerator */
protected $url;
/** @var ICommentsManager */
protected $commentsManager;
/** @var IUserManager */
protected $userManager;
/** @var IManager */
protected $activityManager;
/** @var string[] */
protected $displayNames = [];
/**
* @param IFactory $languageFactory
* @param IURLGenerator $url
* @param ICommentsManager $commentsManager
* @param IUserManager $userManager
* @param IManager $activityManager
*/
public function __construct(IFactory $languageFactory, IURLGenerator $url, ICommentsManager $commentsManager, IUserManager $userManager, IManager $activityManager) {
$this->languageFactory = $languageFactory;
$this->url = $url;
$this->commentsManager = $commentsManager;
$this->userManager = $userManager;
$this->activityManager = $activityManager;
}
/**
* @param string $language
* @param IEvent $event
* @param IEvent|null $previousEvent
* @return IEvent
* @throws \InvalidArgumentException
* @since 11.0.0
*/
public function parse($language, IEvent $event, IEvent $previousEvent = null) {
if ($event->getApp() !== 'comments') {
throw new \InvalidArgumentException();
}
$this->l = $this->languageFactory->get('comments', $language);
if ($event->getSubject() === 'add_comment_subject') {
$this->parseMessage($event);
if ($this->activityManager->getRequirePNG()) {
$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/comment.png')));
} else {
$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/comment.svg')));
}
if ($this->activityManager->isFormattingFilteredObject()) {
try {
return $this->parseShortVersion($event);
} catch (\InvalidArgumentException $e) {
// Ignore and simply use the long version...
}
}
return $this->parseLongVersion($event);
} else {
throw new \InvalidArgumentException();
}
}
/**
* @param IEvent $event
* @return IEvent
* @throws \InvalidArgumentException
*/
protected function parseShortVersion(IEvent $event) {
$subjectParameters = $this->getSubjectParameters($event);
if ($event->getSubject() === 'add_comment_subject') {
if ($subjectParameters['actor'] === $this->activityManager->getCurrentUserId()) {
$event->setParsedSubject($this->l->t('You commented'))
->setRichSubject($this->l->t('You commented'), []);
} else {
$author = $this->generateUserParameter($subjectParameters['actor']);
$event->setParsedSubject($this->l->t('%1$s commented', [$author['name']]))
->setRichSubject($this->l->t('{author} commented'), [
'author' => $author,
]);
}
} else {
throw new \InvalidArgumentException();
}
return $event;
}
/**
* @param IEvent $event
* @return IEvent
* @throws \InvalidArgumentException
*/
protected function parseLongVersion(IEvent $event) {
$subjectParameters = $this->getSubjectParameters($event);
if ($event->getSubject() === 'add_comment_subject') {
if ($subjectParameters['actor'] === $this->activityManager->getCurrentUserId()) {
$event->setParsedSubject($this->l->t('You commented on %1$s', [
$subjectParameters['filePath'],
]))
->setRichSubject($this->l->t('You commented on {file}'), [
'file' => $this->generateFileParameter($subjectParameters['fileId'], $subjectParameters['filePath']),
]);
} else {
$author = $this->generateUserParameter($subjectParameters['actor']);
$event->setParsedSubject($this->l->t('%1$s commented on %2$s', [
$author['name'],
$subjectParameters['filePath'],
]))
->setRichSubject($this->l->t('{author} commented on {file}'), [
'author' => $author,
'file' => $this->generateFileParameter($subjectParameters['fileId'], $subjectParameters['filePath']),
]);
}
} else {
throw new \InvalidArgumentException();
}
return $event;
}
protected function getSubjectParameters(IEvent $event) {
$subjectParameters = $event->getSubjectParameters();
if (isset($subjectParameters['fileId'])) {
return $subjectParameters;
}
// Fix subjects from 12.0.3 and older
//
// Do NOT Remove unless necessary
// Removing this will break parsing of activities that were created on
// Nextcloud 12, so we should keep this as long as it's acceptable.
// Otherwise if people upgrade over multiple releases in a short period,
// they will get the dead entries in their stream.
return [
'actor' => $subjectParameters[0],
'fileId' => (int) $event->getObjectId(),
'filePath' => trim($subjectParameters[1], '/'),
];
}
/**
* @param IEvent $event
*/
protected function parseMessage(IEvent $event) {
$messageParameters = $event->getMessageParameters();
if (empty($messageParameters)) {
// Email
return;
}
$commentId = isset($messageParameters['commentId']) ? $messageParameters['commentId'] : $messageParameters[0];
try {
$comment = $this->commentsManager->get((string) $commentId);
$message = $comment->getMessage();
$message = str_replace("\n", '<br />', str_replace(['<', '>'], ['<', '>'], $message));
$mentionCount = 1;
$mentions = [];
foreach ($comment->getMentions() as $mention) {
if ($mention['type'] !== 'user') {
continue;
}
$message = preg_replace(
'/(^|\s)(' . '@' . $mention['id'] . ')(\b)/',
//'${1}' . $this->regexSafeUser($mention['id'], $displayName) . '${3}',
'${1}' . '{mention' . $mentionCount . '}' . '${3}',
$message
);
$mentions['mention' . $mentionCount] = $this->generateUserParameter($mention['id']);
$mentionCount++;
}
$event->setParsedMessage($comment->getMessage())
->setRichMessage($message, $mentions);
} catch (NotFoundException $e) {
}
}
/**
* @param int $id
* @param string $path
* @return array
*/
protected function generateFileParameter($id, $path) {
return [
'type' => 'file',
'id' => $id,
'name' => basename($path),
'path' => $path,
'link' => $this->url->linkToRouteAbsolute('files.viewcontroller.showFile', ['fileid' => $id]),
];
}
/**
* @param string $uid
* @return array
*/
protected function generateUserParameter($uid) {
if (!isset($this->displayNames[$uid])) {
$this->displayNames[$uid] = $this->getDisplayName($uid);
}
return [
'type' => 'user',
'id' => $uid,
'name' => $this->displayNames[$uid],
];
}
/**
* @param string $uid
* @return string
*/
protected function getDisplayName($uid) {
$user = $this->userManager->get($uid);
if ($user instanceof IUser) {
return $user->getDisplayName();
} else {
return $uid;
}
}
}