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/*
* Copyright (C) 2020 Daniel Friesel
*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
$(function() {
var removeStatus = function() {
$('div.candidatestatus').remove();
};
var showError = function(header, message, code) {
var errnode = $(document.createElement('div'));
errnode.attr('class', 'error');
errnode.text(message);
var headnode = $(document.createElement('strong'));
headnode.text(header);
errnode.prepend(headnode);
if (code) {
var shortnode = $(document.createElement('div'));
shortnode.attr('class', 'errcode');
shortnode.text(code);
errnode.append(shortnode);
}
$('div.candidatelist').append(errnode);
};
var processResult = function(data) {
removeStatus();
if (data.error) {
showError('Backend-Fehler:', data.error, null);
} else if (data.trains.length == 0) {
showError('Keine Bahnstrecke gefunden', '', null);
} else {
$.each(data.trains, function(i, train) {
const prev = train.stops[0][1]
const prev_time = train.stops[0][2]
const next_eva = train.stops[1][0]
const next = train.stops[1][1]
const next_time = train.stops[1][2]
var stationlink = $(document.createElement('a'));
stationlink.attr('href', '/z/' + train.train + '/' + next_eva);
stationlink.text(train.line);
var distancenode = $(document.createElement('div'));
distancenode.attr('class', 'traininfo');
distancenode.html(prev_time + ' ' + prev + '<br/>' + next_time + ' ' + next);
stationlink.append(distancenode);
$('div.candidatelist').append(stationlink);
});
}
};
var processLocation = function(loc) {
$.get('https://dbf.finalrewind.org/__geotrain/search', {lon: loc.coords.longitude, lat: loc.coords.latitude}, processResult);
$('div.candidatestatus').text('Suche Züge…');
};
var processError = function(error) {
removeStatus();
if (error.code == error.PERMISSION_DENIED) {
showError('Standortanfrage nicht möglich.', 'Vermutlich fehlen die Rechte im Browser oder der Android Location Service ist deaktiviert.', 'geolocation.error.PERMISSION_DENIED');
} else if (error.code == error.POSITION_UNAVAILABLE) {
showError('Standort konnte nicht ermittelt werden', '(Service nicht verfügbar)', 'geolocation.error.POSITION_UNAVAILABLE');
} else if (error.code == error.TIMEOUT) {
showError('Standort konnte nicht ermittelt werden', '(Timeout)', 'geolocation.error.TIMEOUT');
} else {
showError('Standort konnte nicht ermittelt werden', '(unbekannter Fehler)', 'unknown geolocation.error code');
}
};
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(processLocation, processError);
$('div.candidatestatus').text('Position wird bestimmt…');
} else {
removeStatus();
showError('Standortanfragen werden von diesem Browser nicht unterstützt', '', null);
}
});
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