/* * 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.evas.length == 0) { showError('Keine Bahnstrecke gefunden', '', null); } else if (data.trains.length == 0) { showError('Keine Züge auf der Strecke 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(train.likelihood + '%<br/>' + 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).fail(function(jqXHR, textStatus, errorThrown) { removeStatus(); showError("Netzwerkfehler: ", textStatus, errorThrown); }); $('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); } });