83 lines
2.7 KiB
PHP
83 lines
2.7 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 OCA\Memories\Errors;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\JSONResponse;
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class MapController extends ApiBase
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{
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/**
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* @NoAdminRequired
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*/
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public function clusters(): Http\Response
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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 $e) {
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return Errors::NoRequestRoot();
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}
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// Make sure we have bounds and zoom level
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// Zoom level is used to determine the grid length
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$bounds = $this->request->getParam('bounds');
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$zoomLevel = $this->request->getParam('zoom');
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if (!$bounds || !$zoomLevel || !is_numeric($zoomLevel)) {
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return Errors::MissingParameter('bounds or zoom');
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}
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// A tweakable parameter to determine the number of boxes in the map
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// Note: these parameters need to be changed in MapSplitMatter.vue as well
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$clusterDensity = 1;
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$gridLen = 180.0 / (2 ** $zoomLevel * $clusterDensity);
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try {
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$clusters = $this->timelineQuery->getMapClusters($gridLen, $bounds, $root);
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// Get previews for each cluster
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$clusterIds = array_map(function ($cluster) {
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return (int) $cluster['id'];
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}, $clusters);
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$previews = $this->timelineQuery->getMapClusterPreviews($clusterIds, $root);
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// Merge the responses
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$fileMap = [];
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foreach ($previews as &$preview) {
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$fileMap[$preview['mapcluster']] = $preview;
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}
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foreach ($clusters as &$cluster) {
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$cluster['preview'] = $fileMap[$cluster['id']] ?? null;
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}
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return new JSONResponse($clusters);
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} catch (\Exception $e) {
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return Errors::Generic($e);
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}
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}
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}
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