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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2021 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http\RequestHandlers;
use Exception;
use Fisharebest\Webtrees\Exceptions\FileUploadException;
use Fisharebest\Webtrees\FlashMessages;
use Fisharebest\Webtrees\Gedcom;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\PlaceLocation;
use Fisharebest\Webtrees\Registry;
use Fisharebest\Webtrees\Services\MapDataService;
use Illuminate\Database\Capsule\Manager as DB;
use League\Flysystem\FilesystemException;
use League\Flysystem\UnableToCheckFileExistence;
use League\Flysystem\UnableToReadFile;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\UploadedFileInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function array_filter;
use function array_reverse;
use function array_slice;
use function count;
use function fclose;
use function fgetcsv;
use function implode;
use function is_numeric;
use function json_decode;
use function redirect;
use function rewind;
use function route;
use function str_contains;
use function stream_get_contents;
use const JSON_THROW_ON_ERROR;
use const UPLOAD_ERR_OK;
/**
* Import geographic data.
*/
class MapDataImportAction implements RequestHandlerInterface
{
/**
* This function assumes the input file layout is
* level followed by a variable number of placename fields
* followed by Longitude, Latitude, Zoom & Icon
*
* @param ServerRequestInterface $request
*
* @return ResponseInterface
* @throws Exception
*/
public function handle(ServerRequestInterface $request): ResponseInterface
{
$data_filesystem = Registry::filesystem()->data();
$params = (array) $request->getParsedBody();
$serverfile = $params['serverfile'] ?? '';
$options = $params['import-options'] ?? '';
$local_file = $request->getUploadedFiles()['localfile'] ?? null;
$places = [];
$url = route(MapDataList::class, ['parent_id' => 0]);
$fp = false;
try {
$file_exists = $data_filesystem->fileExists(MapDataService::PLACES_FOLDER . $serverfile);
} catch (FilesystemException | UnableToCheckFileExistence $ex) {
$file_exists = false;
}
if ($serverfile !== '' && $file_exists) {
// first choice is file on server
try {
$fp = $data_filesystem->readStream(MapDataService::PLACES_FOLDER . $serverfile);
} catch (FilesystemException | UnableToReadFile $ex) {
$fp = false;
}
} elseif ($local_file instanceof UploadedFileInterface && $local_file->getError() === UPLOAD_ERR_OK) {
// 2nd choice is local file
$fp = $local_file->getStream()->detach();
} else {
throw new FileUploadException($local_file);
}
if ($fp === false || $fp === null) {
return redirect($url);
}
$string = stream_get_contents($fp);
// Check the file type
if (str_contains($string, 'FeatureCollection')) {
$input_array = json_decode($string, false, 512, JSON_THROW_ON_ERROR);
foreach ($input_array->features as $feature) {
$places[] = [
'latitude' => $feature->geometry->coordinates[1],
'longitude' => $feature->geometry->coordinates[0],
'name' => $feature->properties->name,
];
}
} else {
rewind($fp);
while (($row = fgetcsv($fp, 0, MapDataService::CSV_SEPARATOR)) !== false) {
// Skip the header
if (!is_numeric($row[0])) {
continue;
}
$level = (int) $row[0];
$count = count($row);
$name = implode(Gedcom::PLACE_SEPARATOR, array_reverse(array_slice($row, 1, 1 + $level)));
$places[] = [
'latitude' => (float) strtr($row[$count - 3], ['N' => '', 'S' => '-', ',' => '.']),
'longitude' => (float) strtr($row[$count - 4], ['E' => '', 'W' => '-', ',' => '.']),
'name' => $name
];
}
}
fclose($fp);
$added = 0;
$updated = 0;
// Remove places with 0,0 coordinates at lower levels.
$callback = static fn (array $place): bool => !str_contains($place['name'], ',') || $place['longitude'] !== 0.0 || $place['latitude'] !== 0.0;
$places = array_filter($places, $callback);
foreach ($places as $place) {
$location = new PlaceLocation($place['name']);
$exists = $location->exists();
// Only update existing records
if ($options === 'update' && !$exists) {
continue;
}
// Only add new records
if ($options === 'add' && $exists) {
continue;
}
if (!$exists) {
$added++;
}
$updated += DB::table('place_location')
->where('id', '=', $location->id())
->update([
'latitude' => $place['latitude'],
'longitude' => $place['longitude'],
]);
}
FlashMessages::addMessage(
I18N::translate('locations updated: %s, locations added: %s', I18N::number($updated), I18N::number($added)),
'info'
);
return redirect($url);
}
}
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