cloud_bbb/lib/Service/RoomService.php

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<?php
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namespace OCA\BigBlueButton\Service;
use Exception;
use OCA\BigBlueButton\Db\Room;
use OCA\BigBlueButton\Db\RoomMapper;
use OCA\BigBlueButton\Event\RoomCreatedEvent;
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use OCA\BigBlueButton\Event\RoomDeletedEvent;
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use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\EventDispatcher\IEventDispatcher;
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class RoomService {
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/** @var RoomMapper */
private $mapper;
/** @var IEventDispatcher */
private $eventDispatcher;
public function __construct(
RoomMapper $mapper,
IEventDispatcher $eventDispatcher) {
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$this->mapper = $mapper;
$this->eventDispatcher = $eventDispatcher;
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}
public function findAll(string $userId, array $groupIds, array $circleIds): array {
return $this->mapper->findAll($userId, $groupIds, $circleIds);
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}
private function handleException(Exception $e): void {
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if ($e instanceof DoesNotExistException ||
$e instanceof MultipleObjectsReturnedException) {
throw new RoomNotFound($e->getMessage());
} else {
throw $e;
}
}
/**
* @throws RoomNotFound
*/
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public function find(int $id): Room {
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try {
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return $this->mapper->find($id);
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// in order to be able to plug in different storage backends like files
// for instance it is a good idea to turn storage related exceptions
// into service related exceptions so controllers and service users
// have to deal with only one type of exception
} catch (Exception $e) {
$this->handleException($e);
}
}
public function findByUid(string $uid): ?Room {
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try {
return $this->mapper->findByUid($uid);
} catch (Exception $e) {
// $this->handleException($e);
return null;
}
}
/**
* @return array<Room>
*/
public function findByUserId(string $userId): array {
return $this->mapper->findByUserId($userId);
}
public function create(string $name, string $welcome, int $maxParticipants, bool $record, string $access, string $userId): \OCP\AppFramework\Db\Entity {
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$room = new Room();
$room->setUid(\OC::$server->getSecureRandom()->generate(16, \OCP\Security\ISecureRandom::CHAR_HUMAN_READABLE));
$room->setName($name);
$room->setWelcome($welcome);
$room->setMaxParticipants(\max($maxParticipants, 0));
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$room->setAttendeePassword(\OC::$server->getSecureRandom()->generate(32, \OCP\Security\ISecureRandom::CHAR_HUMAN_READABLE));
$room->setModeratorPassword(\OC::$server->getSecureRandom()->generate(32, \OCP\Security\ISecureRandom::CHAR_HUMAN_READABLE));
$room->setRecord($record);
$room->setAccess($access);
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$room->setUserId($userId);
if ($access === Room::ACCESS_PASSWORD) {
$room->setPassword($this->humanReadableRandom(8));
}
$createdRoom = $this->mapper->insert($room);
$this->eventDispatcher->dispatch(RoomCreatedEvent::class, new RoomCreatedEvent($createdRoom));
return $createdRoom;
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}
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/**
* @param null|string $moderatorToken
*
* @return \OCP\AppFramework\Db\Entity|null
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*/
public function update(int $id, string $name, string $welcome, int $maxParticipants, bool $record, string $access, bool $everyoneIsModerator, bool $requireModerator, ?string $moderatorToken) {
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try {
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$room = $this->mapper->find($id);
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if ($room->access !== $access) {
$room->setPassword($access === Room::ACCESS_PASSWORD ? $this->humanReadableRandom(8) : null);
}
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if ($room->moderatorToken !== $moderatorToken) {
$room->setModeratorToken(empty($moderatorToken) ? null : $this->humanReadableRandom(16));
}
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$room->setName($name);
$room->setWelcome($welcome);
$room->setMaxParticipants(\max($maxParticipants, 0));
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$room->setRecord($record);
$room->setAccess($access);
$room->setEveryoneIsModerator($everyoneIsModerator);
$room->setRequireModerator($requireModerator);
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return $this->mapper->update($room);
} catch (Exception $e) {
$this->handleException($e);
}
}
/**
* @return Room|null
*/
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public function delete(int $id) {
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try {
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$room = $this->mapper->find($id);
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$this->mapper->delete($room);
$this->eventDispatcher->dispatch(RoomDeletedEvent::class, new RoomDeletedEvent($room));
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return $room;
} catch (Exception $e) {
$this->handleException($e);
}
}
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/**
* @param int $length
*/
private function humanReadableRandom(int $length) {
return \OC::$server->getSecureRandom()->generate($length, \OCP\Security\ISecureRandom::CHAR_HUMAN_READABLE);
}
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}