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web/js/lib.board.js

250 lines
8.2 KiB
JavaScript

/* Fetch Functions */
async function publicLdb(stn) {
var url = `${window.location.origin}/api/v1/ldb/${stn}`;
console.time("Time: Fetch LDB Data")
var resp = await fetch(url);
console.timeEnd("Time: Fetch LDB Data")
return await resp.json();
}
/* Set page heading */
async function setHeaders(title,time) {
var prefix = `OwlBoard - `
document.title = `${prefix}${title}`
document.getElementById("stn_name").textContent = title
document.getElementById("fetch_time").textContent = time.toLocaleTimeString()
sessionStorage.setItem("board_location", title);
}
/* Display No Trains Message */
async function displayNoTrains() {
log("No Trains", "WARN")
document.getElementById('no_services').style = "display: block;";
hideLoading();
}
/* Parse the value of `platform` to account for unknown platforms */
async function parsePlatform(svc){
if (svc.platform != undefined) {
var platform = svc.platform;
} else {
var platform = "-";
}
if (svc.platformChanged) { // Not present in public API, ready for staff version.
var changed = "changed";
} else {
var changed = "";
}
return {num: platform, change: changed}
}
/* Change value of time strings to fit well on small screens */
async function parseTime(string){
switch (string) {
case "Delayed":
var output = "LATE";
var change = "changed";
break;
case "Cancelled":
var output = "CANC";
var change = "cancelled";
break;
case "On time":
var output = "RT";
var change = "";
break;
case "":
var output = "-";
var change = "";
break;
case undefined:
var output = "-";
var change = "";
break;
case "No report":
var output = "-";
var change = "";
break;
case "undefined":
var output = false;
var change = "";
break;
default:
var output = string;
var change = "changed";
}
return {data: output, changed: change};
}
/* Convert multiple Origin/Destinations to single string */
async function parseName(location) {
if (Array.isArray(location)) {
var name = `${location[0]['locationName']} & ${location[1]['locationName']}`
return name;
}
else {
return location.locationName;
}
}
// Display Alert Messages
async function displayAlerts(array) {
var counter = 0
var messages = ""
for(var i = 0; i < array.length; i++) {
// Increment counter
counter += 1;
// Reset Vars
messages += `<p>${array[i]}</p>`;
}
if (counter > 0) {
document.getElementById("alerts_msg").insertAdjacentHTML("beforeend", messages)
document.getElementById("alerts").style = "display:block"
document.getElementById("alerts_bar").style = "display:block"
if (counter == 1) {
document.getElementById("alert_bar_note").textContent = `There is ${counter} active alert`
} else if (counter > 1) {
document.getElementById("alert_bar_note").textContent = `There are ${counter} active alerts`
}
return true;
}
return false;
}
/* Show/Hide alerts box */
async function inflateAlerts() {
document.getElementById("alerts_msg").style = "display:block;";
document.getElementById("alert_expand_arrow").style = "transform: rotate(180deg);";
document.getElementById("alerts_bar").setAttribute("onclick", "deflateAlerts()")
}
async function deflateAlerts() {
document.getElementById("alerts_msg").style = "display.none;";
document.getElementById("alert_expand_arrow").style = "transform: rotate(0deg);";
document.getElementById("alerts_bar").setAttribute("onclick", "inflateAlerts()")
}
/*//// SERVICE DETAIL LISTS ////*/
// Build calling list: -- This outputs calling point data to sessionStorage in the format: key{pre: [{PREVIOUS_Stops}], post: [{POST_STOPS}]}
async function buildCallLists(svc) {
var sSvcId = svc.serviceID;
var oSvcData = {
plat: svc.platform,
sta: svc.sta,
eta: svc.eta,
std: svc.std,
etd: svc.etd
};
try {
if (typeof svc.previousCallingPoints.callingPointList.callingPoint != 'undefined') {
let array = await makeArray(svc.previousCallingPoints.callingPointList.callingPoint);
oSvcData.pre = array;
}
} catch (err) { /* Do nothing if ERR */ }
try {
if (typeof svc.subsequentCallingPoints.callingPointList.callingPoint != 'undefined') {
let array = await makeArray(svc.subsequentCallingPoints.callingPointList.callingPoint);
oSvcData.post = array;
}
} catch (err) { /* Do nothing if ERR */ }
sessionStorage.setItem(sSvcId, JSON.stringify(oSvcData))
}
/* Display calling list: - Read data from sessionStorage and write to DOM. */
async function showCalls(id) {
log(`Showing details for service ${id}`, "INFO")
var svcDetail = await JSON.parse(sessionStorage.getItem(id));
var pre = "";
var post = "";
if (typeof svcDetail.pre != 'undefined') {
for(var preCall = 0; preCall < svcDetail.pre.length; preCall++) {
pre += await singleCall(svcDetail.pre[preCall]);
}
}
if (typeof svcDetail.post != 'undefined') {
for(var postCall = 0; postCall < svcDetail.post.length; postCall++) {
post += await singleCall(svcDetail.post[postCall]);
}
}
/* Run retreived data through parsers */
var thisStd = await parseTime(svcDetail.std);
var thisEtd = await parseTime(svcDetail.etd);
var thisSta = await parseTime(svcDetail.sta);
var thisEta = await parseTime(svcDetail.eta);
/* Prepare data for this station */
if (thisStd.data != "-") {
var sTime = `${thisStd.data}`
var eTime = `${thisEtd.data}`
var change = thisEtd.changed
} else {
var sTime = `${thisSta.data}`
var eTime = `${thisEta.data}`
var change = thisEta.changed
};
let here = `<tr>
<td class="detail-name detail-name-here detail-table-content">${sessionStorage.getItem("board_location")}</td>
<td class="detail-table-content">${sTime}</td>
<td class="detail-table-content ${change}">${eTime}</td>
</tr> `
/* Prepare then insert DOM Data */
let dom = ` <div id="${id}" class="call-data">
<p class="close-data" onclick="hideCalls('${id}')">X</p>
<table class="call-table">
<tr>
<th class="detail-name-head">Location</th>
<th class="time">Schedule</th>
<th class="time">Act/Est</th>
</tr>
${pre}
${here}
${post}
</table>
</div>`
document.body.insertAdjacentHTML("beforeend", dom);
document.getElementById(id).style = "display: block;";
return;
}
async function hideCalls(id) {
let element = document.getElementById(id)
element.style = "display: none;";
element.remove();
return;
}
/* Builds the train data information in to a table row */
async function singleCall(data) {
if (typeof data.et != "undefined") {
var time = await parseTime(data.et)
} else if (typeof data.at != "undefined") {
var time = await parseTime(data.at)
}
return `<tr>
<td class="detail-name detail-table-content">${data.locationName}</td>
<td class="detail-table-content">${data.st}</td>
<td class="detail-table-content ${time.changed}">${time.data}</td>
</tr>`
}
/* Error Handler */
async function errorHandler() {
if (sessionStorage.getItem("failcount")) {
var errCount = parseInt(sessionStorage.getItem("failcount"))
} else {
var errCount = 0;
}
errCount += 1;
sessionStorage.setItem("failcount", errCount.toString())
if (errCount < 10){
await delay(3000);
vibe("err")
location.reload()
} else {
sessionStorage.removeItem("failcount");
window.location.assign("conn-err.html")
}
}