249 lines
10 KiB
PHP
249 lines
10 KiB
PHP
<?php
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/* μlogger
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*
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* Copyright(C) 2017 Bartek Fabiszewski (www.fabiszewski.net)
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*
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* This is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU 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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require_once(dirname(__DIR__) . "/helpers/auth.php");
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require_once(ROOT_DIR . "/helpers/position.php");
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require_once(ROOT_DIR . "/helpers/lang.php");
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require_once(ROOT_DIR . "/helpers/config.php");
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$auth = new uAuth();
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$config = uConfig::getInstance();
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$lang = (new uLang($config))->getStrings();
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/**
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* Add kml marker style element
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*
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* @param XMLWriter $xml Writer object
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* @param string $name Color name
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* @param string $url Url
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*/
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function addStyle($xml, $name, $url) {
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$xml->startElement("Style");
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$xml->writeAttribute("id", "{$name}Style");
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$xml->startElement("IconStyle");
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$xml->writeAttribute("id", "{$name}Icon");
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$xml->startElement("Icon");
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$xml->writeElement("href", $url);
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$xml->endElement();
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$xml->endElement();
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$xml->endElement();
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}
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/**
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* Convert seconds to [day], hour, minute, second string
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*
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* @param int $s Number of seconds
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* @return string [d ]hhmmss
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*/
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function toHMS($s) {
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$d = floor($s / 86400);
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$h = floor(($s % 86400) / 3600);
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$m = floor((($s % 86400) % 3600) / 60);
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$s = (($s % 86400) % 3600) % 60;
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return (($d > 0) ? "$d d " : "") . sprintf("%02d:%02d:%02d", $h, $m, $s);
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}
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$type = uUtils::getString('type', 'kml');
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$userId = uUtils::getInt('userid');
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$trackId = uUtils::getInt('trackid');
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if (!$auth->hasReadAccess($userId)) {
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// unauthorized
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exit();
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}
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if ($config->units === "imperial") {
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$factor_kmh = 0.62; //to mph
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$unit_kmh = "mph";
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$factor_m = 3.28; // to feet
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$unit_m = "ft";
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$factor_km = 0.62; // to miles
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$unit_km = "mi";
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} else {
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$factor_kmh = 1;
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$unit_kmh = "km/h";
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$factor_m = 1;
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$unit_m = "m";
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$factor_km = 1;
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$unit_km = "km";
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}
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if ($trackId && $userId) {
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$positionsArr = uPosition::getAll($userId, $trackId);
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if (empty($positionsArr)) {
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exit();
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}
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switch ($type) {
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case "kml":
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default:
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header("Content-type: application/vnd.google-earth.kml+xml");
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header("Content-Disposition: attachment; filename=\"track{$positionsArr[0]->trackId}.kml\"");
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$xml = new XMLWriter();
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$xml->openURI("php://output");
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$xml->setIndent(true);
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$xml->startDocument("1.0", "utf-8");
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$xml->startElement("kml");
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$xml->writeAttributeNs("xsi", "schemaLocation", null, "http://www.opengis.net/kml/2.2 http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd");
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$xml->writeAttributeNs("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
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$xml->writeAttribute("xmlns", "http://www.opengis.net/kml/2.2");
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$xml->startElement("Document");
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$xml->writeElement("name", $positionsArr[0]->trackName);
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// line style
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$xml->startElement("Style");
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$xml->writeAttribute("id", "lineStyle");
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$xml->startElement("LineStyle");
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$xml->writeElement("color", "7f0000ff");
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$xml->writeElement("width", "4");
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$xml->endElement();
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$xml->endElement();
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// marker styles
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addStyle($xml, "red", "http://maps.google.com/mapfiles/markerA.png");
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addStyle($xml, "green", "http://maps.google.com/mapfiles/marker_greenB.png");
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addStyle($xml, "gray", "http://maps.gstatic.com/mapfiles/ridefinder-images/mm_20_gray.png");
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$style = "#redStyle"; // for first element
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$i = 0;
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$totalMeters = 0;
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$totalSeconds = 0;
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$coordinate = [];
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foreach ($positionsArr as $position) {
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$distance = isset($prevPosition) ? $position->distanceTo($prevPosition) : 0;
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$seconds = isset($prevPosition) ? $position->secondsTo($prevPosition) : 0;
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$prevPosition = $position;
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$totalMeters += $distance;
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$totalSeconds += $seconds;
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if(++$i === count($positionsArr)) { $style = "#greenStyle"; } // last element
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$xml->startElement("Placemark");
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$xml->writeAttribute("id", "point_{$position->id}");
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$description =
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"<div style=\"font-weight: bolder; padding-bottom: 10px; border-bottom: 1px solid gray;\">" .
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"{$lang["user"]}: " . htmlspecialchars($position->userLogin) . "<br>{$lang["track"]}: " . htmlspecialchars($position->trackName) .
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"</div>" .
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"<div>" .
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"<div style=\"padding-top: 10px;\"><b>{$lang["time"]}:</b> " . date("Y-m-d H:i:s (e)", $position->timestamp) . "<br>" .
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(!is_null($position->comment) ? "<b>{$position->comment}</b><br>" : "") .
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(!is_null($position->speed) ? "<b>{$lang["speed"]}:</b> " . round($position->speed * 3.6 * $factor_kmh, 2) . " {$unit_kmh}<br>" : "") .
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(!is_null($position->altitude) ? "<b>{$lang["altitude"]}:</b> " . round($position->altitude * $factor_m) . " {$unit_m}<br>" : "") .
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"<b>{$lang["ttime"]}:</b> " . toHMS($totalSeconds) . "<br>" .
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"<b>{$lang["aspeed"]}:</b> " . (($totalSeconds !== 0) ? round($totalMeters / $totalSeconds * 3.6 * $factor_kmh, 2) : 0) . " {$unit_kmh}<br>" .
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"<b>{$lang["tdistance"]}:</b> " . round($totalMeters / 1000 * $factor_km, 2) . " " . $unit_km . "<br></div>" .
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"<div style=\"font-size: smaller; padding-top: 10px;\">" . sprintf($lang["pointof"], $i, count($positionsArr)) . "</div>" .
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"</div>";
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$xml->startElement("description");
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$xml->writeCData($description);
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$xml->endElement();
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$xml->writeElement("styleUrl", $style);
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$xml->startElement("Point");
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$coordinate[$i] = "{$position->longitude},{$position->latitude}" . (!is_null($position->altitude) ? ",{$position->altitude}" : "");
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$xml->writeElement("coordinates", $coordinate[$i]);
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$xml->endElement();
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$xml->endElement();
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$style = "#grayStyle"; // other elements
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}
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$coordinates = implode("\n", $coordinate);
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$xml->startElement("Placemark");
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$xml->writeAttribute("id", "lineString");
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$xml->writeElement("styleUrl", "#lineStyle");
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$xml->startElement("LineString");
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$xml->writeElement("coordinates", $coordinates);
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$xml->endElement();
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$xml->endElement();
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$xml->endElement();
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$xml->endElement();
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$xml->endDocument();
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$xml->flush();
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break;
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case "gpx":
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header("Content-type: application/application/gpx+xm");
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header("Content-Disposition: attachment; filename=\"track" . $positionsArr[0]->trackId . ".gpx\"");
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$xml = new XMLWriter();
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$xml->openURI("php://output");
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$xml->setIndent(true);
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$xml->startDocument("1.0", "utf-8");
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$xml->startElement("gpx");
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$xml->writeAttribute("xmlns", "http://www.topografix.com/GPX/1/1");
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$xml->writeAttributeNs("xsi", "schemaLocation", null, "http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd https://github.com/bfabiszewski/ulogger-android/1 https://raw.githubusercontent.com/bfabiszewski/ulogger-server/master/scripts/gpx_extensions1.xsd");
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$xml->writeAttributeNs("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
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$xml->writeAttributeNs("xmlns", "ulogger", null, "https://github.com/bfabiszewski/ulogger-android/1");
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$xml->writeAttribute("creator", "μlogger-server " . $config->version);
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$xml->writeAttribute("version", "1.1");
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$xml->startElement("metadata");
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$xml->writeElement("name", $positionsArr[0]->trackName);
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$xml->writeElement("time", gmdate("Y-m-d\TH:i:s\Z", $positionsArr[0]->timestamp));
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$xml->endElement();
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$xml->startElement("trk");
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$xml->writeElement("name", $positionsArr[0]->trackName);
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$xml->startElement("trkseg");
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$i = 0;
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$totalMeters = 0;
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$totalSeconds = 0;
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foreach ($positionsArr as $position) {
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$distance = isset($prevPosition) ? $position->distanceTo($prevPosition) : 0;
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$seconds = isset($prevPosition) ? $position->secondsTo($prevPosition) : 0;
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$prevPosition = $position;
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$totalMeters += $distance;
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$totalSeconds += $seconds;
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$xml->startElement("trkpt");
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$xml->writeAttribute("lat", $position->latitude);
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$xml->writeAttribute("lon", $position->longitude);
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if (!is_null($position->altitude)) {
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$xml->writeElement("ele", $position->altitude);
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}
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$xml->writeElement("time", gmdate("Y-m-d\TH:i:s\Z", $position->timestamp));
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$xml->writeElement("name", ++$i);
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if (!is_null($position->comment)) {
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$xml->startElement("desc");
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$xml->writeCData($position->comment);
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$xml->endElement();
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}
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if (!is_null($position->speed) || !is_null($position->bearing) || !is_null($position->accuracy) || !is_null($position->provider)) {
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$xml->startElement("extensions");
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if (!is_null($position->speed)) {
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$xml->writeElementNS("ulogger", "speed", null, $position->speed);
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}
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if (!is_null($position->bearing)) {
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$xml->writeElementNS("ulogger", "bearing", null, $position->bearing);
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}
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if (!is_null($position->accuracy)) {
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$xml->writeElementNS("ulogger", "accuracy", null, $position->accuracy);
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}
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if (!is_null($position->provider)) {
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$xml->writeElementNS("ulogger", "provider", null, $position->provider);
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}
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$xml->endElement();
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}
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$xml->endElement();
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}
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$xml->endElement();
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$xml->endElement();
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$xml->endElement();
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$xml->endDocument();
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$xml->flush();
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break;
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}
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}
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?>
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