From 492fc5cc9d458df5e4b296d45ed171db8c734e03 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Tue, 06 Dec 2016 22:00:00 +0000
Subject: [PATCH] Append stop identifier to the URL using #!
---
index.js | 335 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 335 insertions(+), 0 deletions(-)
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..854cc18
--- /dev/null
+++ b/index.js
@@ -0,0 +1,335 @@
+//var ttss_base = 'http://www.ttss.krakow.pl/internetservice/services';
+var ttss_base = '/proxy.php';
+var ttss_refresh = 20000; // 20 seconds
+
+var stop_id;
+var stop_name = document.getElementById('stop-name');
+var stop_name_form = stop_name.form;
+var stop_name_autocomplete = document.getElementById('stop-name-autocomplete');
+var stop_name_autocomplete_xhr;
+
+var times_xhr;
+var times_timer;
+var times_stop_name = document.getElementById('times-stop-name');
+var times_alerts = document.getElementById('times-alerts');
+var times_table = document.getElementById('times-table');
+var times_lines = document.getElementById('times-lines');
+
+/*
+var route_xhr;
+var route_line = document.getElementById('route-line');
+var route_table = document.getElementById('route-table');
+*/
+
+var refresh_button = document.getElementById('refresh');
+var refresh_text = document.getElementById('refresh-text');
+var refresh_time;
+var refresh_timer;
+
+var alert = document.getElementById('alert');
+var alert_text = document.getElementById('alert-text');
+var alert_close = document.getElementById('alert-close');
+
+var parseStatusBoarding = '>>>';
+function parseStatus(status) {
+ switch(status.status) {
+ case 'STOPPING':
+ return parseStatusBoarding;
+ case 'PREDICTED':
+ if(status.actualRelativeTime <= 0)
+ return parseStatusBoarding;
+ if(status.actualRelativeTime >= 60)
+ return Math.floor(status.actualRelativeTime / 60) + ' min';
+ return status.actualRelativeTime + ' s';
+ case 'DEPARTED':
+ return Math.floor(-status.actualRelativeTime / 60) + ' min ago';
+ default:
+ return status.mixedTime;
+ }
+}
+
+function parseTime(date, time) {
+ var result = new Date(date.getFullYear(), date.getMonth(), date.getDay());
+ var time_split = time.split(':');
+ result.setHours(time_split[0]);
+ result.setMinutes(time_split[1]);
+
+ if(result.getTime() - date.getTime() > 72000000) {
+ result.setTime(result.getTime() - 86400000);
+ }
+
+ if(date.getTime() - result.getTime() > 72000000) {
+ result.setTime(result.getTime() + 86400000);
+ }
+
+ return result;
+}
+
+function parseDelay(status) {
+ if(!status.actualTime) return '?';
+ if(!status.plannedTime) return '?';
+
+ var now = new Date();
+ var actual = parseTime(now, status.actualTime);
+ var planned = parseTime(now, status.plannedTime);
+
+ return ((actual.getTime() - planned.getTime()) / 1000 / 60) + ' min';
+}
+
+function deleteChildren(element) {
+ while(element.lastChild) element.removeChild(element.lastChild);
+}
+
+function addElementWithText(parent, element, text) {
+ var elem = document.createElement(element);
+ elem.appendChild(document.createTextNode(text));
+ parent.appendChild(elem);
+ return elem;
+}
+
+function addCellWithText(parent, text) {
+ return addElementWithText(parent, 'td', text);
+}
+
+function addParaWithText(parent, text) {
+ return addElementWithText(parent, 'p', text);
+}
+
+function setText(element, text) {
+ deleteChildren(element);
+ element.appendChild(document.createTextNode(text));
+}
+
+function fail(message, more) {
+ if(refresh_timer) clearInterval(refresh_timer);
+ if(times_timer) clearTimeout(times_timer);
+
+ setText(alert_text, message);
+ alert.style.display = 'block';
+
+ console.log(message + ' More details follow.');
+ if(more) console.log(more);
+}
+
+function fail_ajax(data) {
+ // abort() is not a failure
+ if(data.readyState == 0 && data.statusText == 'abort') return;
+
+ if(data.status == 0) {
+ fail('Request failed - please check your network connectivity.', data);
+ } else if (data.statusText) {
+ fail('Internet request failed with error: ' + data.statusText + '.', data);
+ } else {
+ fail('Internet request failed.', data);
+ }
+}
+
+function loadTimes(stopId = null, clearRoute = false) {
+ if(!stopId) stopId = stop_id;
+ if(!stopId) return;
+
+ if(times_timer) clearTimeout(times_timer);
+ if(times_xhr) times_xhr.abort();
+
+ refresh_button.removeAttribute('disabled');
+
+ times_xhr = $.get(
+ ttss_base + '/passageInfo/stopPassages/stop'
+ + '?stop=' + encodeURIComponent(stopId)
+ + '&mode=departure'
+ ).done(function(data) {
+ setText(times_stop_name, data.stopName);
+ deleteChildren(times_alerts);
+ deleteChildren(times_table);
+ deleteChildren(times_lines);
+ /*
+ if(clearRoute) {
+ deleteChildren(route_line);
+ deleteChildren(route_table);
+ }
+ */
+
+ for(var i = 0, il = data.generalAlerts.length; i < il; i++) {
+ addParaWithText(times_alerts, data.generalAlerts[i]);
+ }
+
+ for(var i = 0, il = data.old.length; i < il; i++) {
+ var tr = document.createElement('tr');
+ addCellWithText(tr, data.old[i].patternText);
+ addCellWithText(tr, data.old[i].direction);
+ var status = parseStatus(data.old[i]);
+ addCellWithText(tr, status);
+ addCellWithText(tr, '');
+
+ tr.className = 'active';
+ times_table.appendChild(tr);
+ }
+
+ for(var i = 0, il = data.actual.length; i < il; i++) {
+ var tr = document.createElement('tr');
+ addCellWithText(tr, data.actual[i].patternText);
+ addCellWithText(tr, data.actual[i].direction);
+ var status = parseStatus(data.actual[i]);
+ var status_cell = addCellWithText(tr, status);
+ var delay = parseDelay(data.actual[i]);
+ var delay_cell = addCellWithText(tr, delay);
+
+ if(status == parseStatusBoarding) {
+ tr.className = 'success';
+ status_cell.className = 'status-boarding';
+ } else if(parseInt(delay) > 9) {
+ tr.className = 'danger';
+ delay_cell.className = 'status-delayed';
+ } else if(parseInt(delay) > 3) {
+ tr.className = 'warning';
+ }
+ times_table.appendChild(tr);
+ }
+
+ for(var i = 0, il = data.routes.length; i < il; i++) {
+ var tr = document.createElement('tr');
+ addCellWithText(tr, data.routes[i].name);
+ addCellWithText(tr, data.routes[i].directions.join(' - '));
+ addCellWithText(tr, data.routes[i].authority);
+
+ /*
+ tr.addEventListener('click', function(routeId, routeTr){ return function(e) {
+ var trs = tr.parentNode;
+ for(var i = 0; i < trs.childNodes.length; i++) {
+ trs.childNodes[i].removeAttribute('class');
+ }
+ routeTr.className = 'warning';
+
+ if(route_xhr) route_xhr.abort();
+ route_xhr = $.get(
+ ttss_base + '/routeInfo/routeStops'
+ + '?routeId=' + encodeURIComponent(routeId)
+ ).done(function(data) {
+ setText(route_line, data.route.name + ': '
+ + data.route.directions.join(' - '));
+ deleteChildren(route_table);
+
+ routeTr.className = 'success';
+
+ for(var i = 0, il = data.stops.length; i < il; i++) {
+ var tr = document.createElement('tr');
+ addCellWithText(tr, data.stops[i].name);
+ route_table.appendChild(tr);
+ }
+ }).fail(fail_ajax);
+ }}(data.routes[i].id, tr));
+ */
+
+ times_lines.appendChild(tr);
+
+ for(var j = 0, jl = data.routes[i].alerts.length; j < jl; j++) {
+ addParaWithText(
+ times_alerts,
+ 'Line ' + data.routes[i].name + ': '
+ + data.routes[i].alerts[j]
+ );
+ }
+ }
+
+ startTimer(new Date());
+
+ times_timer = setTimeout(function(){ loadTimes(); }, ttss_refresh);
+ }).fail(fail_ajax);
+}
+
+function declinate(num, singular, plural) {
+ if(num == 1) return num + ' ' + singular;
+ return num + ' ' + plural;
+}
+
+function startTimer(date) {
+ if(date) {
+ setText(refresh_text, 'Last refreshed: just now')
+ refresh_time = date;
+ }
+ if(!refresh_time) return;
+ if(refresh_timer) clearInterval(refresh_timer);
+
+ var now = new Date();
+ var ms = now.getTime() - refresh_time.getTime();
+
+ var interval = 1000;
+ if(ms >= 120000) interval = 60000;
+
+ refresh_timer = setInterval(function() {
+ var now = new Date();
+ var ms = now.getTime() - refresh_time.getTime();
+
+ if(ms >= 120000) {
+ setText(refresh_text, 'Last refreshed: '
+ + declinate(Math.floor(ms / 60000), 'minute ago', 'minutes ago'));
+ startTimer();
+ } else {
+ setText(refresh_text, 'Last refreshed: '
+ + declinate(Math.floor(ms / 1000), 'second ago', 'seconds ago'));
+ }
+ }, interval);
+}
+
+var decodeEntitiesTextArea = document.createElement('textarea');
+function decodeEntities(text) {
+ decodeEntitiesTextArea.innerHTML = text;
+ return decodeEntitiesTextArea.value;
+}
+
+function init() {
+ if(!window.jQuery) {
+ fail('Required JavaScript jQuery library failed to load. You may try refreshing the page.');
+ return;
+ }
+
+ $.ajaxSetup({
+ dataType: 'json',
+ timeout: 3000,
+ });
+
+ stop_name.addEventListener('input', function(e) {
+ if(!stop_name.value) return;
+ if(stop_name_autocomplete_xhr) stop_name_autocomplete_xhr.abort();
+
+ stop_name_autocomplete_xhr = $.get(
+ ttss_base + '/lookup/autocomplete/json'
+ + '?query=' + encodeURIComponent(stop_name.value)
+ ).done(function(data) {
+ deleteChildren(stop_name_autocomplete);
+ for(var i = 1, il = data.length; i < il; i++) {
+ var opt = document.createElement('option');
+ opt.value = data[i].id;
+ setText(opt, decodeEntities(data[i].name));
+ stop_name_autocomplete.appendChild(opt);
+ }
+
+ if(!stop_id) setText(refresh_text, 'Select the stop and click "Go"');
+ }).fail(fail_ajax);
+ });
+
+ setText(refresh_text, 'Enter the stop name to begin');
+
+ stop_name_form.addEventListener('submit', function(e) {
+ e.preventDefault();
+ if(!stop_name_autocomplete.value) return;
+ stop_id = stop_name_autocomplete.value;
+ window.location.hash = '#!' + stop_id;
+ loadTimes(stop_id, true);
+ });
+
+ refresh_button.addEventListener('click', function(e) {
+ loadTimes(stop_id);
+ });
+
+ alert_close.addEventListener('click', function(e) {
+ alert.style.display = 'none';
+ });
+
+ if(window.location.hash.match(/^#![0-9]+$/)) {
+ stop_id = parseInt(window.location.hash.slice(2));
+ loadTimes(stop_id);
+ }
+}
+
+init();
--
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