92 lines
3.0 KiB
PHP
92 lines
3.0 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license AGPL-3.0-or-later
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Memories\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\JSONResponse;
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class LocationController extends ApiBase
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{
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/**
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* @NoAdminRequired
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*
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* @PublicPage
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*
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* @NoCSRFRequired
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*/
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public function clusters(): JSONResponse
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{
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// Get the folder to show
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try {
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$uid = $this->getUID();
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} catch (\Exception $e) {
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return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_PRECONDITION_FAILED);
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}
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// Get the folder to show
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$root = null;
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try {
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$root = $this->getRequestRoot();
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} catch (\Exception $e) {
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return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_NOT_FOUND);
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}
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// Just check bound parameters but not use them; they are used in transformation
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$minLat = $this->request->getParam('minLat');
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$maxLat = $this->request->getParam('maxLat');
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$minLng = $this->request->getParam('minLng');
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$maxLng = $this->request->getParam('maxLng');
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if (!$minLat || !$maxLat || !$minLng || !$maxLng) {
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return new JSONResponse(['message' => 'Parameters missing'], Http::STATUS_PRECONDITION_FAILED);
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}
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// Zoom level is used to determine the size of boxes
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$zoomLevel = $this->request->getParam('zoom');
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if (!$zoomLevel || !is_numeric($zoomLevel)) {
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return new JSONResponse(['message' => 'Invalid zoom level'], Http::STATUS_PRECONDITION_FAILED);
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}
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// A tweakable parameter to determine the number of boxes in the map
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$clusterDensity = 3;
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$boxSize = 180.0 / (2 ** $zoomLevel * $clusterDensity);
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try {
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$clusters = $this->timelineQuery->getMapClusters(
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$boxSize,
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$root,
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$uid,
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$this->isRecursive(),
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$this->isArchive(),
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$this->getTransformations(true),
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);
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return new JSONResponse($clusters);
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} catch (\Exception $e) {
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return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
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}
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}
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}
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