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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
* @author Vincent Petry <vincent@nextcloud.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 OC\KnownUser;
class KnownUserService {
/** @var KnownUserMapper */
protected $mapper;
/** @var array */
protected $knownUsers = [];
public function __construct(KnownUserMapper $mapper) {
$this->mapper = $mapper;
}
/**
* Delete all matches where the given user is the owner of the phonebook
*
* @param string $knownTo
* @return int Number of deleted matches
*/
public function deleteKnownTo(string $knownTo): int {
return $this->mapper->deleteKnownTo($knownTo);
}
/**
* Delete all matches where the given user is the one in the phonebook
*
* @param string $contactUserId
* @return int Number of deleted matches
*/
public function deleteByContactUserId(string $contactUserId): int {
return $this->mapper->deleteKnownUser($contactUserId);
}
/**
* Store a match because $knownTo has $contactUserId in his phonebook
*
* @param string $knownTo User id of the owner of the phonebook
* @param string $contactUserId User id of the contact in the phonebook
*/
public function storeIsKnownToUser(string $knownTo, string $contactUserId): void {
$entity = new KnownUser();
$entity->setKnownTo($knownTo);
$entity->setKnownUser($contactUserId);
$this->mapper->insert($entity);
}
/**
* Check if $contactUserId is in the phonebook of $knownTo
*
* @param string $knownTo User id of the owner of the phonebook
* @param string $contactUserId User id of the contact in the phonebook
* @return bool
*/
public function isKnownToUser(string $knownTo, string $contactUserId): bool {
if ($knownTo === $contactUserId) {
return true;
}
if (!isset($this->knownUsers[$knownTo])) {
$entities = $this->mapper->getKnownUsers($knownTo);
$this->knownUsers[$knownTo] = [];
foreach ($entities as $entity) {
$this->knownUsers[$knownTo][$entity->getKnownUser()] = true;
}
}
return isset($this->knownUsers[$knownTo][$contactUserId]);
}
}
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