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/*
* Copyright (C) 2020 Birte Kristina Friesel
*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
$(function() {
const removeStatus = function() {
$('div.candidatestatus').remove();
};
const showError = function(header, message, code) {
const errnode = $(document.createElement('div'));
errnode.attr('class', 'error');
errnode.text(message);
const headnode = $(document.createElement('strong'));
headnode.text(header);
errnode.prepend(headnode);
if (code) {
const shortnode = $(document.createElement('div'));
shortnode.attr('class', 'errcode');
shortnode.text(code);
errnode.append(shortnode);
}
$('div.candidatelist').append(errnode);
};
const processResult = function(data) {
removeStatus();
if (data.error) {
showError('Backend-Fehler:', data.error, null);
} else if (data.candidates.length == 0) {
showError('Keine Stationen in 70km Umkreis gefunden', '', null);
} else {
$.each(data.candidates, function(i, candidate) {
const eva = candidate.eva,
name = candidate.name,
distance = candidate.distance.toFixed(1),
hafas = candidate.hafas;
const stationlink = $(document.createElement('a'));
stationlink.attr('href', eva + '?hafas=' + hafas);
stationlink.text(name + ' ');
const distancenode = $(document.createElement('div'));
distancenode.attr('class', 'distance');
distancenode.text(distance);
const icon = $(document.createElement('i'));
icon.attr('class', 'material-icons');
icon.text(hafas ? 'directions' : 'train');
stationlink.append(icon);
stationlink.append(distancenode);
$('div.candidatelist').append(stationlink);
});
}
};
const processLocation = function(loc) {
const param = new URLSearchParams(window.location.search);
$.post('/_geolocation', {lon: loc.coords.longitude, lat: loc.coords.latitude, hafas: param.get('hafas')}, processResult).fail(function(jqXHR, textStatus, errorThrown) {
removeStatus();
showError("Netzwerkfehler: ", textStatus, errorThrown);
});
$('div.candidatestatus').text('Suche Stationen…');
};
const 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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