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<?php
/**
* @copyright Copyright (c) 2016 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @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\Settings\Activity;
use InvalidArgumentException;
use OCP\Activity\IEvent;
use OCP\Activity\IManager;
use OCP\Activity\IProvider;
use OCP\IGroup;
use OCP\IGroupManager;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\L10N\IFactory as L10nFactory;
class GroupProvider implements IProvider {
public const ADDED_TO_GROUP = 'group_added';
public const REMOVED_FROM_GROUP = 'group_removed';
/** @var L10nFactory */
private $l10n;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IManager */
private $activityManager;
/** @var IUserManager */
protected $userManager;
/** @var IGroupManager */
protected $groupManager;
/** @var string[] */
protected $groupDisplayNames = [];
/** @var string[] */
protected $userDisplayNames = [];
public function __construct(L10nFactory $l10n,
IURLGenerator $urlGenerator,
IManager $activityManager,
IUserManager $userManager,
IGroupManager $groupManager) {
$this->urlGenerator = $urlGenerator;
$this->l10n = $l10n;
$this->activityManager = $activityManager;
$this->userManager = $userManager;
$this->groupManager = $groupManager;
}
public function parse($language, IEvent $event, IEvent $previousEvent = null) {
if ($event->getType() !== 'group_settings') {
throw new InvalidArgumentException();
}
$l = $this->l10n->get('settings', $language);
$params = $event->getSubjectParameters();
$parsedParameters = [
'user' => $this->generateUserParameter($params['user']),
'group' => $this->generateGroupParameter($params['group']),
];
if (isset($params['actor'])) {
$parsedParameters['actor'] = $this->generateUserParameter($params['actor']);
}
switch ($event->getSubject()) {
case self::ADDED_TO_GROUP:
if (isset($parsedParameters['actor'])) {
if ($this->activityManager->getCurrentUserId() === $params['user']) {
$subject = $l->t('{actor} added you to group {group}');
} elseif (isset($params['actor']) && $this->activityManager->getCurrentUserId() === $params['actor']) {
$subject = $l->t('You added {user} to group {group}');
} else {
$subject = $l->t('{actor} added {user} to group {group}');
}
} elseif ($this->activityManager->getCurrentUserId() === $params['user']) {
$subject = $l->t('An administrator added you to group {group}');
} else {
$subject = $l->t('An administrator added {user} to group {group}');
}
break;
case self::REMOVED_FROM_GROUP:
if (isset($parsedParameters['actor'])) {
if ($this->activityManager->getCurrentUserId() === $params['user']) {
$subject = $l->t('{actor} removed you from group {group}');
} elseif (isset($params['actor']) && $this->activityManager->getCurrentUserId() === $params['actor']) {
$subject = $l->t('You removed {user} from group {group}');
} else {
$subject = $l->t('{actor} removed {user} from group {group}');
}
} elseif ($this->activityManager->getCurrentUserId() === $params['user']) {
$subject = $l->t('An administrator removed you from group {group}');
} else {
$subject = $l->t('An administrator removed {user} from group {group}');
}
break;
default:
throw new InvalidArgumentException();
}
$this->setSubjects($event, $subject, $parsedParameters);
return $event;
}
/**
* @param IEvent $event
* @param string $subject
* @param array $parameters
* @throws \InvalidArgumentException
*/
protected function setSubjects(IEvent $event, string $subject, array $parameters): void {
$placeholders = $replacements = [];
foreach ($parameters as $placeholder => $parameter) {
$placeholders[] = '{' . $placeholder . '}';
$replacements[] = $parameter['name'];
}
$event->setParsedSubject(str_replace($placeholders, $replacements, $subject))
->setRichSubject($subject, $parameters);
}
/**
* @param string $gid
* @return array
*/
protected function generateGroupParameter(string $gid): array {
if (!isset($this->groupDisplayNames[$gid])) {
$this->groupDisplayNames[$gid] = $this->getGroupDisplayName($gid);
}
return [
'type' => 'user-group',
'id' => $gid,
'name' => $this->groupDisplayNames[$gid],
];
}
/**
* @param string $gid
* @return string
*/
protected function getGroupDisplayName(string $gid): string {
$group = $this->groupManager->get($gid);
if ($group instanceof IGroup) {
return $group->getDisplayName();
}
return $gid;
}
/**
* @param string $uid
* @return array
*/
protected function generateUserParameter(string $uid): array {
if (!isset($this->displayNames[$uid])) {
$this->userDisplayNames[$uid] = $this->getDisplayName($uid);
}
return [
'type' => 'user',
'id' => $uid,
'name' => $this->userDisplayNames[$uid],
];
}
/**
* @param string $uid
* @return string
*/
protected function getDisplayName(string $uid): string {
$user = $this->userManager->get($uid);
if ($user instanceof IUser) {
return $user->getDisplayName();
} else {
return $uid;
}
}
}
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