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Move to API v3, support train groups
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4 changed files with 114 additions and 25 deletions
27
sw.js
27
sw.js
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@ -1,6 +1,6 @@
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const VERSION = 'v1'
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const VERSION = 'v5'
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const API_ORIGIN = 'https://scraper.infotren.dcdev.ro/'
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const API_TRAINS = `${API_ORIGIN}v2/trains`
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const API_TRAINS = `${API_ORIGIN}v3/trains`
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const API_STATIONS = `${API_ORIGIN}v2/stations`
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self.addEventListener('install', (event) => {
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@ -50,10 +50,6 @@ const deleteOldCaches = async () => {
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await Promise.all(cachesToDelete.map(deleteCache))
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}
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self.addEventListener('activate', (event) => {
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event.waitUntil(deleteOldCaches())
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})
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// Enable navigation preload
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const enableNavigationPreload = async () => {
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if (self.registration.navigationPreload) {
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@ -62,6 +58,10 @@ const enableNavigationPreload = async () => {
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}
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}
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self.addEventListener('activate', (event) => {
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event.waitUntil(Promise.all([deleteOldCaches(), enableNavigationPreload()]))
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})
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const putInCache = async (request, response) => {
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const cache = await caches.open(VERSION)
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await cache.put(request, response)
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@ -87,11 +87,16 @@ const cacheFirst = async ({ request, preloadResponsePromise, refreshAnyway }) =>
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}
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// Next try to use (and cache) the preloaded response, if it's there
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const preloadResponse = await preloadResponsePromise
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if (preloadResponse) {
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console.info('using preload response', preloadResponse)
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putInCache(request, preloadResponse.clone())
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return preloadResponse
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if (preloadResponsePromise) {
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const preloadResponse = await preloadResponsePromise
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if (preloadResponse && preloadResponse.ok) {
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console.info('using preload response', preloadResponse)
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putInCache(request, preloadResponse.clone())
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return preloadResponse
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}
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else {
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console.log('got not ok preloadResponse, ignoring', preloadResponse)
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}
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}
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// Next try to get the resource from the network
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@ -13,16 +13,21 @@
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<script src="/worker.js"></script>
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<script src="/back.js"></script>
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<script src="/items.js"></script>
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<script src="view-train.js"></script>
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</head>
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<body>
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<h1>Train Info</h1>
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<h1 id="title"></h1>
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<div id="comp-date">
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<p class="sec" id="company"></p>
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<p class="sec" id="date"></p>
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</div>
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<div class="content" tabindex="0">
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<div id="group-choice" class="content hidden">
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</div>
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<div id="train-info" class="content hidden" tabindex="0">
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<div id="route">
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<h4>Route</h4>
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<p class="thi">From</p>
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@ -1,5 +1,6 @@
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var trainNumber
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var date
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var groupIndex = null
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var showKm = false
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@ -7,7 +8,7 @@ var trainData = null
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var lastSuccessfulFetch = null
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function onTrainData(data) {
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var title = document.getElementsByTagName('h1')[0]
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var title = document.getElementById('title')
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title.textContent = ''
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title.appendChild(document.createTextNode('Train '))
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var rankSpan = document.createElement('span')
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@ -19,10 +20,80 @@ function onTrainData(data) {
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document.getElementById('company').textContent = data.operator
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document.getElementById('date').textContent = data.date
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document.getElementById('route-from').textContent = data.route.from
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document.getElementById('route-to').textContent = data.route.to
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var group = null;
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if (data.groups.length > 1 && groupIndex == null) {
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document.getElementById('group-choice').classList.remove('hidden')
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document.getElementById('group-choice').focus()
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document.getElementById('train-info').classList.add('hidden')
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if (data.status) {
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document.getElementsByClassName('rsk')[0].textContent = ''
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document.getElementsByClassName('csk')[0].textContent = 'Select'
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title.textContent = `Select Group for ${data.rank} ${data.number}`
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var gc = document.getElementById('group-choice')
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while (gc.childNodes.length > 0) {
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gc.childNodes[0].remove()
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}
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for (var i = 0; i < data.groups.length; i++) {
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var g = data.groups[i]
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var groupLi = document.createElement('li')
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gc.append(groupLi)
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groupLi.tabIndex = i
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groupLi.classList.add('items')
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if (i === currentIndex) {
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groupLi.focus()
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}
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(function (i) {
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function onAction(e) {
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var url = new URL(window.location.toString())
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groupIndex = i
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url.searchParams.append('groupIndex', groupIndex)
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window.history.pushState({'groupIndex': groupIndex}, '', url.toString( ))
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onTrainData(data)
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}
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groupLi.addEventListener('click', onAction)
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groupLi.addEventListener('keypress', function (e) {
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if (e.key == 'Enter') {
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onAction(e)
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}
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})
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})(i)
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var routeP = document.createElement('p')
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groupLi.append(routeP)
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routeP.classList.add('pri')
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routeP.textContent = `${g.route.from} ➔ ${g.route.to}`
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var groupP = document.createElement('p')
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groupLi.append(groupP)
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groupP.classList.add('thi')
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groupP.textContent = i === 0 ? 'Main train' : `Group ${i}`
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}
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return
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}
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else if (data.groups.length === 1) {
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group = data.groups[0]
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}
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else {
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group = data.groups[groupIndex]
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}
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document.getElementById('group-choice').classList.add('hidden')
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document.getElementById('train-info').classList.remove('hidden')
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document.getElementById('train-info').focus()
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document.getElementsByClassName('rsk')[0].textContent = 'Refresh'
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document.getElementsByClassName('csk')[0].textContent = ''
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document.getElementById('route-from').textContent = group.route.from
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document.getElementById('route-to').textContent = group.route.to
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if (group.status) {
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document.getElementById('status').classList.remove('hidden')
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var statusDelay = document.getElementById('status-delay')
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@ -30,7 +101,7 @@ function onTrainData(data) {
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statusDelay.childNodes[0].remove()
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}
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var delayString = ''
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var delayMinutes = data.status.delay
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var delayMinutes = group.status.delay
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if (delayMinutes === 0) {
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delayString = 'On time'
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statusDelay.appendChild(document.createTextNode(delayString))
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@ -81,19 +152,19 @@ function onTrainData(data) {
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statusLocation.childNodes[0].remove()
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}
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var stateString = ''
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if (data.status.state === 'arrival') {
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if (group.status.state === 'arrival') {
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stateString += 'when arriving at '
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}
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else if (data.status.state === 'departure') {
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else if (group.status.state === 'departure') {
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stateString += 'when departing from '
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}
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else if (data.status.state === 'passing') {
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else if (group.status.state === 'passing') {
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stateString += 'while passing through '
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}
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statusLocation.appendChild(document.createTextNode(stateString))
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var stationSpan = document.createElement('span')
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statusLocation.appendChild(stationSpan)
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stationSpan.textContent = data.status.station
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stationSpan.textContent = group.status.station
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stationSpan.classList.add('station')
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}
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else {
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@ -112,7 +183,7 @@ function onTrainData(data) {
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var stationsList = document.createElement('ul')
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stationsDiv.appendChild(stationsList)
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data.stations.forEach(function (station) {
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group.stations.forEach(function (station) {
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var stationItem = document.createElement('li')
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stationsList.appendChild(stationItem)
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stationItem.classList.add('stationItem')
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@ -202,7 +273,7 @@ function refresh() {
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}, timeout || 60000)
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}
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return fetch(
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`https://scraper.infotren.dcdev.ro/v2/train/${trainNumber}?date=${date.getFullYear().toString()}-${(date.getMonth() + 1).toString().padStart(2, "0")}-${date.getDate().toString().padStart(2, "0")}`,
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`https://scraper.infotren.dcdev.ro/v3/trains/${trainNumber}?date=${date.getFullYear().toString()}-${(date.getMonth() + 1).toString().padStart(2, "0")}-${date.getDate().toString().padStart(2, "0")}`,
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{
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cache: 'no-store',
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},
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@ -235,6 +306,11 @@ function rsk() {
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refresh()
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}
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window.addEventListener('popstate', function (e) {
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groupIndex = null
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refresh()
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})
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window.addEventListener('load', function (e) {
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if (!new URL(window.location.href).searchParams.has('train')) {
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window.history.back()
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@ -249,6 +325,7 @@ window.addEventListener('load', function (e) {
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trainNumber = sp.get('train')
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date = sp.has('date') ? new Date(sp.get('date')) : new Date()
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groupIndex = sp.has('groupIndex') ? parseInt(sp.get('groupIndex')) : null
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document.querySelectorAll('.rsk').forEach(function (rskElem) {
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rskElem.addEventListener('click', function (e) {
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@ -20,4 +20,6 @@ const registerServiceWorker = async () => {
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}
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};
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registerServiceWorker();
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if (!/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
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registerServiceWorker();
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}
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