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<?php
/**
* @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
*
* @author Lukas Reschke <lukas@statuscode.ch>
*
* @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\Spreed\Controller;
use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\IDBConnection;
use OCP\IL10N;
use OCP\IRequest;
class ApiController extends Controller {
/** @var string */
private $userId;
/** @var IDBConnection */
private $dbConnection;
/** @var IL10N */
private $l10n;
/**
* @param string $appName
* @param string $UserId
* @param IRequest $request
* @param IDBConnection $dbConnection
*/
public function __construct($appName,
$UserId,
IRequest $request,
IDBConnection $dbConnection,
IL10N $l10n) {
parent::__construct($appName, $request);
$this->userId = $UserId;
$this->dbConnection = $dbConnection;
$this->l10n = $l10n;
}
/**
* @param int $roomId
* @return array
*/
private function getActivePeers($roomId) {
$qb = $this->dbConnection->getQueryBuilder();
return $qb->select('*')
->from('spreedme_room_participants')
->where($qb->expr()->eq('roomId', $qb->createNamedParameter($roomId)))
->andWhere($qb->expr()->gt('lastPing', $qb->createNamedParameter(time() - 10)))
->execute()
->fetchAll();
}
/**
* @return array
*/
private function getAllRooms() {
$qb = $this->dbConnection->getQueryBuilder();
return $qb->select('*')
->from('spreedme_rooms')
->execute()
->fetchAll();
}
/**
* @param int $roomId
*/
private function deleteRoom($roomId) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->delete('spreedme_rooms')
->where($qb->expr()->eq('id', $qb->createNamedParameter($roomId)))
->execute();
}
/**
* Checks for all empty rooms and deletes them
*/
private function deleteEmptyRooms() {
$rooms = $this->getAllRooms();
foreach($rooms as $room) {
$activePeers = $this->getActivePeers($room['id']);
if(count($activePeers) === 0) {
//$this->deleteRoom($room['id']);
}
}
}
/**
* Get all currently existent rooms
*
* @NoAdminRequired
* @NoCSRFRequired
*
* @return JSONResponse
*/
public function getRooms() {
$this->deleteEmptyRooms();
$qb = $this->dbConnection->getQueryBuilder();
$rooms = $qb->select('*')
->from('spreedme_rooms')
->execute()
->fetchAll();
foreach($rooms as $key => $room) {
$rooms[$key]['count'] = count($this->getActivePeers($room['id']));
}
return new JSONResponse($rooms);
}
/**
* @NoAdminRequired
*
* @param string $name
* @return JSONResponse
*/
public function createRoom($name) {
$query = $this->dbConnection->getQueryBuilder();
$query->insert('spreedme_rooms')
->values(
[
'name' => $query->createNamedParameter($name),
]
);
try {
$query->execute();
} catch (UniqueConstraintViolationException $e) {
return new JSONResponse(
[
'message' => $this->l10n->t('A room with this name already exists.'),
], Http::STATUS_CONFLICT
);
}
return new JSONResponse([
'id' => $query->getLastInsertId(),
]);
}
/**
* @NoAdminRequired
*
* @param int $roomId
* @return JSONResponse
*/
public function joinRoom($roomId) {
$qb = $this->dbConnection->getQueryBuilder();
// Remove from any current room that the participant is in
$qb->delete('spreedme_room_participants')
->where($qb->expr()->eq('userId', $qb->createNamedParameter($this->userId)))
->execute();
// Add to new room
$qb->insert('spreedme_room_participants')
->values(
[
'userId' => $qb->createNamedParameter($this->userId),
'roomId' => $qb->createNamedParameter($roomId),
'lastPing' => $qb->createNamedParameter(time()),
]
)
->execute();
return new JSONResponse();
}
/**
* @NoAdminRequired
*
* @param int $roomId
* @return JSONResponse
*/
public function getPeersInRoom($roomId) {
return new JSONResponse($this->getActivePeers($roomId));
}
/**
* @NoAdminRequired
*
* @param int $currentRoom
* @return JSONResponse
*/
public function ping($currentRoom) {
$qb = $this->dbConnection->getQueryBuilder();
$qb->update('spreedme_room_participants')
->set('lastPing', $qb->createNamedParameter(time()))
->where($qb->expr()->eq('userId', $qb->createNamedParameter($this->userId)))
->andWhere($qb->expr()->eq('roomId', $qb->createNamedParameter($currentRoom)))
->execute();
return new JSONResponse();
}
}
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