memories/lib/Controller/MapController.php

99 lines
3.2 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
* @author Varun Patil <radialapps@gmail.com>
* @license AGPL-3.0-or-later
*
* 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\Memories\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
class MapController extends ApiBase
{
/**
* @NoAdminRequired
*/
public function clusters(): JSONResponse
{
// Get the folder to show
$root = null;
try {
$root = $this->getRequestRoot();
} catch (\Exception $e) {
return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_NOT_FOUND);
}
// Make sure we have bounds and zoom level
// Zoom level is used to determine the grid length
$bounds = $this->request->getParam('bounds');
$zoomLevel = $this->request->getParam('zoom');
if (!$bounds || !$zoomLevel || !is_numeric($zoomLevel)) {
return new JSONResponse(['message' => 'Invalid parameters'], Http::STATUS_PRECONDITION_FAILED);
}
// A tweakable parameter to determine the number of boxes in the map
$clusterDensity = 1;
$gridLen = 180.0 / (2 ** $zoomLevel * $clusterDensity);
try {
$clusters = $this->timelineQuery->getMapClusters($gridLen, $bounds, $root);
return new JSONResponse($clusters);
} catch (\Exception $e) {
return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
}
}
/**
* @NoAdminRequired
*
* @NoCSRFRequired
*
* Get preview for a cluster
*/
public function clusterPreview(int $id)
{
$user = $this->userSession->getUser();
if (null === $user) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
// If this isn't the timeline folder then things aren't going to work
$root = $this->getRequestRoot();
if ($root->isEmpty()) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
// Run actual query
$list = $this->timelineQuery->getMapClusterPreviews($id, $root);
if (null === $list || 0 === \count($list)) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
shuffle($list);
// Get preview from image list
return $this->getPreviewFromImageList(array_map(static function (&$item) {
return (int) $item['fileid'];
}, $list), 256);
}
}