250 lines
8.2 KiB
JavaScript
250 lines
8.2 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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console.time("Time: Fetch LDB Data")
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var resp = await fetch(url);
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console.timeEnd("Time: Fetch LDB Data")
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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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sessionStorage.setItem("board_location", title);
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}
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/* Display No Trains Message */
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async function displayNoTrains() {
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log("No Trains", "WARN")
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document.getElementById('no_services').style = "display: block;";
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hideLoading();
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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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case "undefined":
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var output = false;
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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']} & ${location[1]['locationName']}`
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return name;
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}
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else {
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return location.locationName;
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}
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}
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// Display Alert Messages
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async function displayAlerts(array) {
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var counter = 0
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var messages = ""
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for(var i = 0; i < array.length; i++) {
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// Increment counter
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counter += 1;
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// Reset Vars
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messages += `<p>${array[i]}</p>`;
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}
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if (counter > 0) {
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document.getElementById("alerts_msg").insertAdjacentHTML("beforeend", messages)
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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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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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return true;
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}
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return false;
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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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/*//// SERVICE DETAIL LISTS ////*/
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// Build calling list: -- This outputs calling point data to sessionStorage in the format: key{pre: [{PREVIOUS_Stops}], post: [{POST_STOPS}]}
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async function buildCallLists(svc) {
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var sSvcId = svc.serviceID;
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var oSvcData = {
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plat: svc.platform,
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sta: svc.sta,
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eta: svc.eta,
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std: svc.std,
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etd: svc.etd
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};
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try {
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if (typeof svc.previousCallingPoints.callingPointList.callingPoint != 'undefined') {
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let array = await makeArray(svc.previousCallingPoints.callingPointList.callingPoint);
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oSvcData.pre = array;
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}
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} catch (err) { /* Do nothing if ERR */ }
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try {
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if (typeof svc.subsequentCallingPoints.callingPointList.callingPoint != 'undefined') {
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let array = await makeArray(svc.subsequentCallingPoints.callingPointList.callingPoint);
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oSvcData.post = array;
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}
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} catch (err) { /* Do nothing if ERR */ }
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sessionStorage.setItem(sSvcId, JSON.stringify(oSvcData))
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}
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/* Display calling list: - Read data from sessionStorage and write to DOM. */
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async function showCalls(id) {
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log(`Showing details for service ${id}`, "INFO")
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var svcDetail = await JSON.parse(sessionStorage.getItem(id));
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var pre = "";
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var post = "";
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if (typeof svcDetail.pre != 'undefined') {
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for(var preCall = 0; preCall < svcDetail.pre.length; preCall++) {
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pre += await singleCall(svcDetail.pre[preCall]);
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}
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}
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if (typeof svcDetail.post != 'undefined') {
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for(var postCall = 0; postCall < svcDetail.post.length; postCall++) {
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post += await singleCall(svcDetail.post[postCall]);
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}
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}
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/* Run retreived data through parsers */
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var thisStd = await parseTime(svcDetail.std);
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var thisEtd = await parseTime(svcDetail.etd);
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var thisSta = await parseTime(svcDetail.sta);
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var thisEta = await parseTime(svcDetail.eta);
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/* Prepare data for this station */
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if (thisStd.data != "-") {
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var sTime = `${thisStd.data}`
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var eTime = `${thisEtd.data}`
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var change = thisEtd.changed
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} else {
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var sTime = `${thisSta.data}`
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var eTime = `${thisEta.data}`
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var change = thisEta.changed
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};
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let here = `<tr>
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<td class="detail-name detail-name-here detail-table-content">${sessionStorage.getItem("board_location")}</td>
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<td class="detail-table-content">${sTime}</td>
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<td class="detail-table-content ${change}">${eTime}</td>
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</tr> `
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/* Prepare then insert DOM Data */
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let dom = ` <div id="${id}" class="call-data">
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<p class="close-data" onclick="hideCalls('${id}')">X</p>
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<table class="call-table">
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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">Act/Est</th>
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</tr>
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${pre}
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${here}
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${post}
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</table>
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</div>`
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document.body.insertAdjacentHTML("beforeend", dom);
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document.getElementById(id).style = "display: block;";
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return;
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}
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async function hideCalls(id) {
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let element = document.getElementById(id)
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element.style = "display: none;";
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element.remove();
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return;
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}
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/* Builds the train data information in to a table row */
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async function singleCall(data) {
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if (typeof data.et != "undefined") {
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var time = await parseTime(data.et)
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} else if (typeof data.at != "undefined") {
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var time = await parseTime(data.at)
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}
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return `<tr>
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<td class="detail-name detail-table-content">${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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}
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/* Error Handler */
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async function errorHandler() {
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if (sessionStorage.getItem("failcount")) {
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var errCount = parseInt(sessionStorage.getItem("failcount"))
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} else {
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var errCount = 0;
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}
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errCount += 1;
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sessionStorage.setItem("failcount", errCount.toString())
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if (errCount < 10){
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await delay(3000);
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vibe("err")
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location.reload()
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} else {
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sessionStorage.removeItem("failcount");
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window.location.assign("conn-err.html")
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}
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} |