207 lines
6.8 KiB
JavaScript
207 lines
6.8 KiB
JavaScript
/* Fetch Functions */
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async function publicLdb(stn) {
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var url = `${window.location.origin}/api/v1/ldb/${stn}`;
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var resp = await fetch(url);
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return await resp.json();
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}
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/* Set page heading */
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async function setHeaders(title,time) {
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var prefix = `OwlBoard - `
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document.title = `${prefix}${title}`
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document.getElementById("stn_name").textContent = title
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document.getElementById("fetch_time").textContent = time.toLocaleTimeString()
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}
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/* Display No Trains Message */
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async function displayNoTrains() {
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document.getElementById('no_services').style = "display: block;";
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clearLoading();
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}
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/* Parse the value of `platform` to account for unknown platforms */
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async function parsePlatform(svc){
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if (svc.platform != undefined) {
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var platform = svc.platform;
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} else {
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var platform = "-";
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}
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if (svc.platformChanged) { // Not present in public API, ready for staff version.
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var changed = "changed";
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} else {
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var changed = "";
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}
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return {num: platform, change: changed}
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}
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/* Change value of time strings to fit well on small screens */
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async function parseTime(string){
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switch (string) {
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case "Delayed":
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var output = "LATE";
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var change = "changed";
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break;
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case "Cancelled":
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var output = "CANC";
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var change = "cancelled";
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break;
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case "On time":
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var output = "RT";
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var change = "";
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break;
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case "":
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var output = "-";
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var change = "";
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break;
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case undefined:
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var output = "-";
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var change = "";
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break;
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case "No report":
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var output = "-";
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var change = "";
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break;
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default:
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var output = string;
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var change = "changed";
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}
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return {data: output, changed: change};
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}
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/* Convert multiple Origin/Destinations to single string */
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async function parseName(location) {
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if (Array.isArray(location)) {
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var name = `${location[0]['locationName']} & ${location[1]['locationName']}`
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return name;
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}
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else {
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return location.locationName;
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}
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}
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// Build calling list: -- This is a string if only one callingPoint is present, needs adapting to work with that
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async function buildCallLists(data) {
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try { /* Check if previous calling points exist */
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if (data.previousCallingPoints.callingPointList.callingPoint) {
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var preCallPoint = data.previousCallingPoints.callingPointList.callingPoint;
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}
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} catch (err) { /* Log if ERR */
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log(`Error reading previous calling points: ${err}`, "INFO")
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}
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try { /* Check if subsequent calling points exist */
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if (data.subsequentCallingPoints.callingPointList.callingPoint) {
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var postCallPoint = data.subsequentCallingPoints.callingPointList.callingPoint;
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}
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} catch (err) { /* Log if ERR */
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log(`Error reading future calling points: ${err}`, "INFO")
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}
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var procPre = "";
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var procPost = "";
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try {
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if (preCallPoint) {
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for(var i = 0; i < preCallPoint.length; i++) {
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var proc = await buildCalls(preCallPoint[i]);
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procPre = `${procPre}\n${proc}`
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}
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}
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} catch (err) {
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console.log(`Error reading previous stops. ${err}`)
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}
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try {
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if (postCallPoint) {
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for (var i = 0; i < postCallPoint.length; i++) {
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var proc = await buildCalls(postCallPoint[i]);
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procPost = `${procPost}\n${proc}`
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}
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}
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} catch (err) {
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console.log(`Error reading next stops. ${err}`)
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}
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var div = `
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<div class="call-data" id="${data.serviceID}">
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<p class="close-data" onclick="hideCalls('${data.serviceID}')">X</p>
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<table class="calling-at">
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<caption>Calling at:</caption>
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<tr>
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<th class="detail-name-head">Location</th>
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<th class="time">Schedule</th>
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<th class="time">Exp.</th>
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</tr>
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${procPost}
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</table>
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<table class="called-at">
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<caption>Previous stops:</caption>
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<tr>
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<th class="detail-name-head">Location</th>
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<th class="time">Schedule</th>
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<th class="time">Actual</th>
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</tr>
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${procPre}
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</table>
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</div>`
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document.body.insertAdjacentHTML("beforeend", div)
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return;
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}
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// Display calling list: - The calling list should be built on demand.
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async function showCalls(id) {
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document.getElementById(id).style = "display: block;";
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return;
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}
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async function hideCalls(id) {
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document.getElementById(id).style = "display: none;";
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return;
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}
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// Display Alert Messages
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async function displayAlerts(array) {
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var counter = 0
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var messages = ""
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for(var i = 0; i < array.length; i++) {
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// Increment counter
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counter += 1;
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// Reset Vars
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messages += `<p>${array[i]}</p>`;
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}
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document.getElementById("alerts_msg").insertAdjacentHTML("beforeend", messages);
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if (counter == 1) {
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document.getElementById("alert_bar_note").textContent = `There is ${counter} active alert`
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} else if (counter > 1) {
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document.getElementById("alert_bar_note").textContent = `There are ${counter} active alerts`
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}
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document.getElementById("alerts").style = "display:block"
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document.getElementById("alerts_bar").style = "display:block"
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document.getElementById("output").style = "margin-top:95px" /* The margin for the train table needs to be adjusted if the alert box exists. */
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}
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/* Show/Hide alerts box */
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async function inflateAlerts() {
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document.getElementById("alerts_msg").style = "display:block;";
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document.getElementById("alert_expand_arrow").style = "transform: rotate(180deg);";
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document.getElementById("alerts_bar").setAttribute("onclick", "deflateAlerts()")
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}
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async function deflateAlerts() {
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document.getElementById("alerts_msg").style = "display.none;";
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document.getElementById("alert_expand_arrow").style = "transform: rotate(0deg);";
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document.getElementById("alerts_bar").setAttribute("onclick", "inflateAlerts()")
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}
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/* Builds the train data information in to a table row */
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async function buildCalls(data) {
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if (typeof data.et != "undefined") {
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var time = await parseTime(data.et)
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} else if (typeof data.at != "undefined") {
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var time = await parseTime(data.at)
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}
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return `<tr>
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<td class="detail-name detail-table-content">${data.locationName}</td>
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<td class="detail-table-content">${data.st}</td>
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<td class="detail-table-content ${time.changed}">${time.data}</td>
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</tr>`
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} |