/**
* Script for landing.ejs
*/
// Requirements
const cp = require('child_process')
const crypto = require('crypto')
const { URL } = require('url')
const {
MojangRestAPI,
getServerStatus
} = require('helios-core/mojang')
const {
RestResponseStatus,
isDisplayableError,
validateLocalFile
} = require('helios-core/common')
const {
FullRepair,
DistributionIndexProcessor,
MojangIndexProcessor,
downloadFile
} = require('helios-core/dl')
const {
validateSelectedJvm,
ensureJavaDirIsRoot,
javaExecFromRoot,
discoverBestJvmInstallation,
latestOpenJDK,
extractJdk
} = require('helios-core/java')
// Internal Requirements
const DiscordWrapper = require('./assets/js/discordwrapper')
const ProcessBuilder = require('./assets/js/processbuilder')
// Launch Elements
const launch_content = document.getElementById('launch_content')
const launch_details = document.getElementById('launch_details')
const launch_progress = document.getElementById('launch_progress')
const launch_progress_label = document.getElementById('launch_progress_label')
const launch_details_text = document.getElementById('launch_details_text')
const server_selection_button = document.getElementById('server_selection_button')
const user_text = document.getElementById('user_text')
const loggerLanding = LoggerUtil.getLogger('Landing')
/* Launch Progress Wrapper Functions */
/**
* Show/hide the loading area.
*
* @param {boolean} loading True if the loading area should be shown, otherwise false.
*/
function toggleLaunchArea(loading){
if(loading){
launch_details.style.display = 'flex'
launch_content.style.display = 'none'
} else {
launch_details.style.display = 'none'
launch_content.style.display = 'inline-flex'
}
}
/**
* Set the details text of the loading area.
*
* @param {string} details The new text for the loading details.
*/
function setLaunchDetails(details){
launch_details_text.innerHTML = details
}
/**
* Set the value of the loading progress bar and display that value.
*
* @param {number} percent Percentage (0-100)
*/
function setLaunchPercentage(percent){
launch_progress.setAttribute('max', 100)
launch_progress.setAttribute('value', percent)
launch_progress_label.innerHTML = percent + '%'
}
/**
* Set the value of the OS progress bar and display that on the UI.
*
* @param {number} percent Percentage (0-100)
*/
function setDownloadPercentage(percent){
remote.getCurrentWindow().setProgressBar(percent/100)
setLaunchPercentage(percent)
}
/**
* Enable or disable the launch button.
*
* @param {boolean} val True to enable, false to disable.
*/
function setLaunchEnabled(val){
document.getElementById('launch_button').disabled = !val
}
// Bind launch button
document.getElementById('launch_button').addEventListener('click', async e => {
loggerLanding.info('Launching game..')
const server = (await DistroAPI.getDistribution()).getServerById(ConfigManager.getSelectedServer())
const mcVersion = server.rawServer.minecraftVersion
const jExe = ConfigManager.getJavaExecutable(ConfigManager.getSelectedServer())
if(jExe == null){
await asyncSystemScan(server.effectiveJavaOptions)
} else {
setLaunchDetails(Lang.queryJS('landing.launch.pleaseWait'))
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
const details = await validateSelectedJvm(ensureJavaDirIsRoot(jExe), server.effectiveJavaOptions.supported)
if(details != null){
loggerLanding.info('Jvm Details', details)
await dlAsync()
} else {
await asyncSystemScan(server.effectiveJavaOptions)
}
}
})
// Bind settings button
document.getElementById('settingsMediaButton').onclick = async e => {
await prepareSettings()
switchView(getCurrentView(), VIEWS.settings)
}
// Bind avatar overlay button.
document.getElementById('avatarOverlay').onclick = async e => {
await prepareSettings()
switchView(getCurrentView(), VIEWS.settings, 500, 500, () => {
settingsNavItemListener(document.getElementById('settingsNavAccount'), false)
})
}
// Bind selected account
function updateSelectedAccount(authUser){
let username = 'No Account Selected'
if(authUser != null){
if(authUser.displayName != null){
username = authUser.displayName
}
if(authUser.uuid != null){
document.getElementById('avatarContainer').style.backgroundImage = `url('https://mc-heads.net/body/${authUser.uuid}/right')`
}
}
user_text.innerHTML = username
}
updateSelectedAccount(ConfigManager.getSelectedAccount())
// Bind selected server
function updateSelectedServer(serv){
if(getCurrentView() === VIEWS.settings){
fullSettingsSave()
}
ConfigManager.setSelectedServer(serv != null ? serv.rawServer.id : null)
ConfigManager.save()
server_selection_button.innerHTML = '\u2022 ' + (serv != null ? serv.rawServer.name : 'No Server Selected')
if(getCurrentView() === VIEWS.settings){
animateSettingsTabRefresh()
}
setLaunchEnabled(serv != null)
}
// Real text is set in uibinder.js on distributionIndexDone.
server_selection_button.innerHTML = '\u2022 Loading..'
server_selection_button.onclick = async e => {
e.target.blur()
await toggleServerSelection(true)
}
// Update Mojang Status Color
const refreshMojangStatuses = async function(){
loggerLanding.info('Refreshing Mojang Statuses..')
let status = 'grey'
let tooltipEssentialHTML = ''
let tooltipNonEssentialHTML = ''
const response = await MojangRestAPI.status()
let statuses
if(response.responseStatus === RestResponseStatus.SUCCESS) {
statuses = response.data
} else {
loggerLanding.warn('Unable to refresh Mojang service status.')
statuses = MojangRestAPI.getDefaultStatuses()
}
greenCount = 0
greyCount = 0
for(let i=0; i<statuses.length; i++){
const service = statuses[i]
if(service.essential){
tooltipEssentialHTML += `<div class="mojangStatusContainer">
<span class="mojangStatusIcon" style="color: ${MojangRestAPI.statusToHex(service.status)};">•</span>
<span class="mojangStatusName">${service.name}</span>
</div>`
} else {
tooltipNonEssentialHTML += `<div class="mojangStatusContainer">
<span class="mojangStatusIcon" style="color: ${MojangRestAPI.statusToHex(service.status)};">•</span>
<span class="mojangStatusName">${service.name}</span>
</div>`
}
if(service.status === 'yellow' && status !== 'red'){
status = 'yellow'
} else if(service.status === 'red'){
status = 'red'
} else {
if(service.status === 'grey'){
++greyCount
}
++greenCount
}
}
if(greenCount === statuses.length){
if(greyCount === statuses.length){
status = 'grey'
} else {
status = 'green'
}
}
document.getElementById('mojangStatusEssentialContainer').innerHTML = tooltipEssentialHTML
document.getElementById('mojangStatusNonEssentialContainer').innerHTML = tooltipNonEssentialHTML
document.getElementById('mojang_status_icon').style.color = MojangRestAPI.statusToHex(status)
}
const refreshServerStatus = async (fade = false) => {
loggerLanding.info('Refreshing Server Status')
const serv = (await DistroAPI.getDistribution()).getServerById(ConfigManager.getSelectedServer())
let pLabel = 'SERVER'
let pVal = 'OFFLINE'
try {
const servStat = await getServerStatus(47, serv.hostname, serv.port)
console.log(servStat)
pLabel = 'PLAYERS'
pVal = servStat.players.online + '/' + servStat.players.max
} catch (err) {
loggerLanding.warn('Unable to refresh server status, assuming offline.')
loggerLanding.debug(err)
}
if(fade){
$('#server_status_wrapper').fadeOut(250, () => {
document.getElementById('landingPlayerLabel').innerHTML = pLabel
document.getElementById('player_count').innerHTML = pVal
$('#server_status_wrapper').fadeIn(500)
})
} else {
document.getElementById('landingPlayerLabel').innerHTML = pLabel
document.getElementById('player_count').innerHTML = pVal
}
}
refreshMojangStatuses()
// Server Status is refreshed in uibinder.js on distributionIndexDone.
// Refresh statuses every hour. The status page itself refreshes every day so...
let mojangStatusListener = setInterval(() => refreshMojangStatuses(true), 60*60*1000)
// Set refresh rate to once every 5 minutes.
let serverStatusListener = setInterval(() => refreshServerStatus(true), 300000)
/**
* Shows an error overlay, toggles off the launch area.
*
* @param {string} title The overlay title.
* @param {string} desc The overlay description.
*/
function showLaunchFailure(title, desc){
setOverlayContent(
title,
desc,
'Okay'
)
setOverlayHandler(null)
toggleOverlay(true)
toggleLaunchArea(false)
}
/* System (Java) Scan */
/**
* Asynchronously scan the system for valid Java installations.
*
* @param {boolean} launchAfter Whether we should begin to launch after scanning.
*/
async function asyncSystemScan(effectiveJavaOptions, launchAfter = true){
setLaunchDetails('Checking system info..')
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
const jvmDetails = await discoverBestJvmInstallation(
ConfigManager.getDataDirectory(),
effectiveJavaOptions.supported
)
if(jvmDetails == null) {
// If the result is null, no valid Java installation was found.
// Show this information to the user.
setOverlayContent(
'No Compatible<br>Java Installation Found',
`In order to join WesterosCraft, you need a 64-bit installation of Java ${effectiveJavaOptions.suggestedMajor}. Would you like us to install a copy?`,
'Install Java',
'Install Manually'
)
setOverlayHandler(() => {
setLaunchDetails('Preparing Java Download..')
downloadJava(effectiveJavaOptions, launchAfter)
toggleOverlay(false)
})
setDismissHandler(() => {
$('#overlayContent').fadeOut(250, () => {
//$('#overlayDismiss').toggle(false)
setOverlayContent(
'Java is Required<br>to Launch',
`A valid x64 installation of Java ${effectiveJavaOptions.suggestedMajor} is required to launch.<br><br>Please refer to our <a href="https://github.com/dscalzi/HeliosLauncher/wiki/Java-Management#manually-installing-a-valid-version-of-java">Java Management Guide</a> for instructions on how to manually install Java.`,
'I Understand',
'Go Back'
)
setOverlayHandler(() => {
toggleLaunchArea(false)
toggleOverlay(false)
})
setDismissHandler(() => {
toggleOverlay(false, true)
asyncSystemScan(effectiveJavaOptions, launchAfter)
})
$('#overlayContent').fadeIn(250)
})
})
toggleOverlay(true, true)
} else {
// Java installation found, use this to launch the game.
const javaExec = javaExecFromRoot(jvmDetails.path)
ConfigManager.setJavaExecutable(ConfigManager.getSelectedServer(), javaExec)
ConfigManager.save()
// We need to make sure that the updated value is on the settings UI.
// Just incase the settings UI is already open.
settingsJavaExecVal.value = javaExec
await populateJavaExecDetails(settingsJavaExecVal.value)
// TODO Callback hell, refactor
// TODO Move this out, separate concerns.
if(launchAfter){
await dlAsync()
}
}
}
async function downloadJava(effectiveJavaOptions, launchAfter = true) {
// TODO Error handling.
// asset can be null.
const asset = await latestOpenJDK(
effectiveJavaOptions.suggestedMajor,
ConfigManager.getDataDirectory(),
effectiveJavaOptions.distribution)
let received = 0
await downloadFile(asset.url, asset.path, ({ transferred }) => {
received = transferred
setDownloadPercentage(Math.trunc((transferred/asset.size)*100))
})
setDownloadPercentage(100)
if(received != asset.size) {
loggerLanding.warn(`Java Download: Expected ${asset.size} bytes but received ${received}`)
if(!await validateLocalFile(asset.path, asset.algo, asset.hash)) {
log.error(`Hashes do not match, ${asset.id} may be corrupted.`)
// TODO Make error handling graceful.
throw new Error('JDK download had problems')
}
}
// Extract
// Show installing progress bar.
remote.getCurrentWindow().setProgressBar(2)
// Wait for extration to complete.
const eLStr = 'Extracting Java'
let dotStr = ''
setLaunchDetails(eLStr)
const extractListener = setInterval(() => {
if(dotStr.length >= 3){
dotStr = ''
} else {
dotStr += '.'
}
setLaunchDetails(eLStr + dotStr)
}, 750)
const newJavaExec = await extractJdk(asset.path)
// Extraction complete, remove the loading from the OS progress bar.
remote.getCurrentWindow().setProgressBar(-1)
// Extraction completed successfully.
ConfigManager.setJavaExecutable(ConfigManager.getSelectedServer(), newJavaExec)
ConfigManager.save()
clearInterval(extractListener)
setLaunchDetails('Java Installed!')
// TODO Callback hell
// Refactor the launch functions
asyncSystemScan(effectiveJavaOptions, launchAfter)
}
// Keep reference to Minecraft Process
let proc
// Is DiscordRPC enabled
let hasRPC = false
// Joined server regex
// Change this if your server uses something different.
const GAME_JOINED_REGEX = /\[.+\]: Sound engine started/
const GAME_LAUNCH_REGEX = /^\[.+\]: (?:MinecraftForge .+ Initialized|ModLauncher .+ starting: .+)$/
const MIN_LINGER = 5000
async function dlAsync(login = true) {
// Login parameter is temporary for debug purposes. Allows testing the validation/downloads without
// launching the game.
const loggerLaunchSuite = LoggerUtil.getLogger('LaunchSuite')
setLaunchDetails('Loading server information..')
let distro
try {
distro = await DistroAPI.refreshDistributionOrFallback()
onDistroRefresh(distro)
} catch(err) {
loggerLaunchSuite.error('Unable to refresh distribution index.', err)
showLaunchFailure('Fatal Error', 'Could not load a copy of the distribution index. See the console (CTRL + Shift + i) for more details.')
return
}
const serv = distro.getServerById(ConfigManager.getSelectedServer())
if(login) {
if(ConfigManager.getSelectedAccount() == null){
loggerLanding.error('You must be logged into an account.')
return
}
}
setLaunchDetails('Please wait..')
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
const fullRepairModule = new FullRepair(
ConfigManager.getCommonDirectory(),
ConfigManager.getInstanceDirectory(),
ConfigManager.getLauncherDirectory(),
ConfigManager.getSelectedServer(),
DistroAPI.isDevMode()
)
fullRepairModule.spawnReceiver()
fullRepairModule.childProcess.on('error', (err) => {
loggerLaunchSuite.error('Error during launch', err)
showLaunchFailure('Error During Launch', err.message || 'See console (CTRL + Shift + i) for more details.')
})
fullRepairModule.childProcess.on('close', (code, _signal) => {
if(code !== 0){
loggerLaunchSuite.error(`Full Repair Module exited with code ${code}, assuming error.`)
showLaunchFailure('Error During Launch', 'See console (CTRL + Shift + i) for more details.')
}
})
loggerLaunchSuite.info('Validating files.')
setLaunchDetails('Validating file integrity..')
const invalidFileCount = await fullRepairModule.verifyFiles(percent => {
setLaunchPercentage(percent)
})
setLaunchPercentage(100)
if(invalidFileCount > 0) {
loggerLaunchSuite.info('Downloading files.')
setLaunchDetails('Downloading files..')
await fullRepairModule.download(percent => {
setDownloadPercentage(percent)
})
setDownloadPercentage(100)
} else {
loggerLaunchSuite.info('No invalid files, skipping download.')
}
// Remove download bar.
remote.getCurrentWindow().setProgressBar(-1)
fullRepairModule.destroyReceiver()
setLaunchDetails('Preparing to launch..')
const mojangIndexProcessor = new MojangIndexProcessor(
ConfigManager.getCommonDirectory(),
serv.rawServer.minecraftVersion)
const distributionIndexProcessor = new DistributionIndexProcessor(
ConfigManager.getCommonDirectory(),
distro,
serv.rawServer.id
)
const forgeData = await distributionIndexProcessor.loadForgeVersionJson(serv)
const versionData = await mojangIndexProcessor.getVersionJson()
if(login) {
const authUser = ConfigManager.getSelectedAccount()
loggerLaunchSuite.info(`Sending selected account (${authUser.displayName}) to ProcessBuilder.`)
let pb = new ProcessBuilder(serv, versionData, forgeData, authUser, remote.app.getVersion())
setLaunchDetails('Launching game..')
// const SERVER_JOINED_REGEX = /\[.+\]: \[CHAT\] [a-zA-Z0-9_]{1,16} joined the game/
const SERVER_JOINED_REGEX = new RegExp(`\\[.+\\]: \\[CHAT\\] ${authUser.displayName} joined the game`)
const onLoadComplete = () => {
toggleLaunchArea(false)
if(hasRPC){
DiscordWrapper.updateDetails('Loading game..')
}
proc.stdout.on('data', gameStateChange)
proc.stdout.removeListener('data', tempListener)
proc.stderr.removeListener('data', gameErrorListener)
}
const start = Date.now()
// Attach a temporary listener to the client output.
// Will wait for a certain bit of text meaning that
// the client application has started, and we can hide
// the progress bar stuff.
const tempListener = function(data){
if(GAME_LAUNCH_REGEX.test(data.trim())){
const diff = Date.now()-start
if(diff < MIN_LINGER) {
setTimeout(onLoadComplete, MIN_LINGER-diff)
} else {
onLoadComplete()
}
}
}
// Listener for Discord RPC.
const gameStateChange = function(data){
data = data.trim()
if(SERVER_JOINED_REGEX.test(data)){
DiscordWrapper.updateDetails('Exploring the Realm!')
} else if(GAME_JOINED_REGEX.test(data)){
DiscordWrapper.updateDetails('Sailing to Westeros!')
}
}
const gameErrorListener = function(data){
data = data.trim()
if(data.indexOf('Could not find or load main class net.minecraft.launchwrapper.Launch') > -1){
loggerLaunchSuite.error('Game launch failed, LaunchWrapper was not downloaded properly.')
showLaunchFailure('Error During Launch', 'The main file, LaunchWrapper, failed to download properly. As a result, the game cannot launch.<br><br>To fix this issue, temporarily turn off your antivirus software and launch the game again.<br><br>If you have time, please <a href="https://github.com/dscalzi/HeliosLauncher/issues">submit an issue</a> and let us know what antivirus software you use. We\'ll contact them and try to straighten things out.')
}
}
try {
// Build Minecraft process.
proc = pb.build()
// Bind listeners to stdout.
proc.stdout.on('data', tempListener)
proc.stderr.on('data', gameErrorListener)
setLaunchDetails('Done. Enjoy the server!')
// Init Discord Hook
if(distro.rawDistribution.discord != null && serv.rawServerdiscord != null){
DiscordWrapper.initRPC(distro.rawDistribution.discord, serv.rawServer.discord)
hasRPC = true
proc.on('close', (code, signal) => {
loggerLaunchSuite.info('Shutting down Discord Rich Presence..')
DiscordWrapper.shutdownRPC()
hasRPC = false
proc = null
})
}
} catch(err) {
loggerLaunchSuite.error('Error during launch', err)
showLaunchFailure('Error During Launch', 'Please check the console (CTRL + Shift + i) for more details.')
}
}
}
/**
* News Loading Functions
*/
// DOM Cache
const newsContent = document.getElementById('newsContent')
const newsArticleTitle = document.getElementById('newsArticleTitle')
const newsArticleDate = document.getElementById('newsArticleDate')
const newsArticleAuthor = document.getElementById('newsArticleAuthor')
const newsArticleComments = document.getElementById('newsArticleComments')
const newsNavigationStatus = document.getElementById('newsNavigationStatus')
const newsArticleContentScrollable = document.getElementById('newsArticleContentScrollable')
const nELoadSpan = document.getElementById('nELoadSpan')
// News slide caches.
let newsActive = false
let newsGlideCount = 0
/**
* Show the news UI via a slide animation.
*
* @param {boolean} up True to slide up, otherwise false.
*/
function slide_(up){
const lCUpper = document.querySelector('#landingContainer > #upper')
const lCLLeft = document.querySelector('#landingContainer > #lower > #left')
const lCLCenter = document.querySelector('#landingContainer > #lower > #center')
const lCLRight = document.querySelector('#landingContainer > #lower > #right')
const newsBtn = document.querySelector('#landingContainer > #lower > #center #content')
const landingContainer = document.getElementById('landingContainer')
const newsContainer = document.querySelector('#landingContainer > #newsContainer')
newsGlideCount++
if(up){
lCUpper.style.top = '-200vh'
lCLLeft.style.top = '-200vh'
lCLCenter.style.top = '-200vh'
lCLRight.style.top = '-200vh'
newsBtn.style.top = '130vh'
newsContainer.style.top = '0px'
//date.toLocaleDateString('en-US', {month: 'short', day: 'numeric', year: 'numeric', hour: 'numeric', minute: 'numeric'})
//landingContainer.style.background = 'rgba(29, 29, 29, 0.55)'
landingContainer.style.background = 'rgba(0, 0, 0, 0.50)'
setTimeout(() => {
if(newsGlideCount === 1){
lCLCenter.style.transition = 'none'
newsBtn.style.transition = 'none'
}
newsGlideCount--
}, 2000)
} else {
setTimeout(() => {
newsGlideCount--
}, 2000)
landingContainer.style.background = null
lCLCenter.style.transition = null
newsBtn.style.transition = null
newsContainer.style.top = '100%'
lCUpper.style.top = '0px'
lCLLeft.style.top = '0px'
lCLCenter.style.top = '0px'
lCLRight.style.top = '0px'
newsBtn.style.top = '10px'
}
}
// Bind news button.
document.getElementById('newsButton').onclick = () => {
// Toggle tabbing.
if(newsActive){
$('#landingContainer *').removeAttr('tabindex')
$('#newsContainer *').attr('tabindex', '-1')
} else {
$('#landingContainer *').attr('tabindex', '-1')
$('#newsContainer, #newsContainer *, #lower, #lower #center *').removeAttr('tabindex')
if(newsAlertShown){
$('#newsButtonAlert').fadeOut(2000)
newsAlertShown = false
ConfigManager.setNewsCacheDismissed(true)
ConfigManager.save()
}
}
slide_(!newsActive)
newsActive = !newsActive
}
// Array to store article meta.
let newsArr = null
// News load animation listener.
let newsLoadingListener = null
/**
* Set the news loading animation.
*
* @param {boolean} val True to set loading animation, otherwise false.
*/
function setNewsLoading(val){
if(val){
const nLStr = 'Checking for News'
let dotStr = '..'
nELoadSpan.innerHTML = nLStr + dotStr
newsLoadingListener = setInterval(() => {
if(dotStr.length >= 3){
dotStr = ''
} else {
dotStr += '.'
}
nELoadSpan.innerHTML = nLStr + dotStr
}, 750)
} else {
if(newsLoadingListener != null){
clearInterval(newsLoadingListener)
newsLoadingListener = null
}
}
}
// Bind retry button.
newsErrorRetry.onclick = () => {
$('#newsErrorFailed').fadeOut(250, () => {
initNews()
$('#newsErrorLoading').fadeIn(250)
})
}
newsArticleContentScrollable.onscroll = (e) => {
if(e.target.scrollTop > Number.parseFloat($('.newsArticleSpacerTop').css('height'))){
newsContent.setAttribute('scrolled', '')
} else {
newsContent.removeAttribute('scrolled')
}
}
/**
* Reload the news without restarting.
*
* @returns {Promise.<void>} A promise which resolves when the news
* content has finished loading and transitioning.
*/
function reloadNews(){
return new Promise((resolve, reject) => {
$('#newsContent').fadeOut(250, () => {
$('#newsErrorLoading').fadeIn(250)
initNews().then(() => {
resolve()
})
})
})
}
let newsAlertShown = false
/**
* Show the news alert indicating there is new news.
*/
function showNewsAlert(){
newsAlertShown = true
$(newsButtonAlert).fadeIn(250)
}
/**
* Initialize News UI. This will load the news and prepare
* the UI accordingly.
*
* @returns {Promise.<void>} A promise which resolves when the news
* content has finished loading and transitioning.
*/
function initNews(){
return new Promise((resolve, reject) => {
setNewsLoading(true)
let news = {}
loadNews().then(news => {
newsArr = news.articles || null
if(newsArr == null){
// News Loading Failed
setNewsLoading(false)
$('#newsErrorLoading').fadeOut(250, () => {
$('#newsErrorFailed').fadeIn(250, () => {
resolve()
})
})
} else if(newsArr.length === 0) {
// No News Articles
setNewsLoading(false)
ConfigManager.setNewsCache({
date: null,
content: null,
dismissed: false
})
ConfigManager.save()
$('#newsErrorLoading').fadeOut(250, () => {
$('#newsErrorNone').fadeIn(250, () => {
resolve()
})
})
} else {
// Success
setNewsLoading(false)
const lN = newsArr[0]
const cached = ConfigManager.getNewsCache()
let newHash = crypto.createHash('sha1').update(lN.content).digest('hex')
let newDate = new Date(lN.date)
let isNew = false
if(cached.date != null && cached.content != null){
if(new Date(cached.date) >= newDate){
// Compare Content
if(cached.content !== newHash){
isNew = true
showNewsAlert()
} else {
if(!cached.dismissed){
isNew = true
showNewsAlert()
}
}
} else {
isNew = true
showNewsAlert()
}
} else {
isNew = true
showNewsAlert()
}
if(isNew){
ConfigManager.setNewsCache({
date: newDate.getTime(),
content: newHash,
dismissed: false
})
ConfigManager.save()
}
const switchHandler = (forward) => {
let cArt = parseInt(newsContent.getAttribute('article'))
let nxtArt = forward ? (cArt >= newsArr.length-1 ? 0 : cArt + 1) : (cArt <= 0 ? newsArr.length-1 : cArt - 1)
displayArticle(newsArr[nxtArt], nxtArt+1)
}
document.getElementById('newsNavigateRight').onclick = () => { switchHandler(true) }
document.getElementById('newsNavigateLeft').onclick = () => { switchHandler(false) }
$('#newsErrorContainer').fadeOut(250, () => {
displayArticle(newsArr[0], 1)
$('#newsContent').fadeIn(250, () => {
resolve()
})
})
}
})
})
}
/**
* Add keyboard controls to the news UI. Left and right arrows toggle
* between articles. If you are on the landing page, the up arrow will
* open the news UI.
*/
document.addEventListener('keydown', (e) => {
if(newsActive){
if(e.key === 'ArrowRight' || e.key === 'ArrowLeft'){
document.getElementById(e.key === 'ArrowRight' ? 'newsNavigateRight' : 'newsNavigateLeft').click()
}
// Interferes with scrolling an article using the down arrow.
// Not sure of a straight forward solution at this point.
// if(e.key === 'ArrowDown'){
// document.getElementById('newsButton').click()
// }
} else {
if(getCurrentView() === VIEWS.landing){
if(e.key === 'ArrowUp'){
document.getElementById('newsButton').click()
}
}
}
})
/**
* Display a news article on the UI.
*
* @param {Object} articleObject The article meta object.
* @param {number} index The article index.
*/
function displayArticle(articleObject, index){
newsArticleTitle.innerHTML = articleObject.title
newsArticleTitle.href = articleObject.link
newsArticleAuthor.innerHTML = 'by ' + articleObject.author
newsArticleDate.innerHTML = articleObject.date
newsArticleComments.innerHTML = articleObject.comments
newsArticleComments.href = articleObject.commentsLink
newsArticleContentScrollable.innerHTML = '<div id="newsArticleContentWrapper"><div class="newsArticleSpacerTop"></div>' + articleObject.content + '<div class="newsArticleSpacerBot"></div></div>'
Array.from(newsArticleContentScrollable.getElementsByClassName('bbCodeSpoilerButton')).forEach(v => {
v.onclick = () => {
const text = v.parentElement.getElementsByClassName('bbCodeSpoilerText')[0]
text.style.display = text.style.display === 'block' ? 'none' : 'block'
}
})
newsNavigationStatus.innerHTML = index + ' of ' + newsArr.length
newsContent.setAttribute('article', index-1)
}
/**
* Load news information from the RSS feed specified in the
* distribution index.
*/
async function loadNews(){
const distroData = await DistroAPI.getDistribution()
const promise = new Promise((resolve, reject) => {
const newsFeed = distroData.rawDistribution.rss
const newsHost = new URL(newsFeed).origin + '/'
$.ajax({
url: newsFeed,
success: (data) => {
const items = $(data).find('item')
const articles = []
for(let i=0; i<items.length; i++){
// JQuery Element
const el = $(items[i])
// Resolve date.
const date = new Date(el.find('pubDate').text()).toLocaleDateString('en-US', {month: 'short', day: 'numeric', year: 'numeric', hour: 'numeric', minute: 'numeric'})
// Resolve comments.
let comments = el.find('slash\\:comments').text() || '0'
comments = comments + ' Comment' + (comments === '1' ? '' : 's')
// Fix relative links in content.
let content = el.find('content\\:encoded').text()
let regex = /src="(?!http:\/\/|https:\/\/)(.+?)"/g
let matches
while((matches = regex.exec(content))){
content = content.replace(`"${matches[1]}"`, `"${newsHost + matches[1]}"`)
}
let link = el.find('link').text()
let title = el.find('title').text()
let author = el.find('dc\\:creator').text()
// Generate article.
articles.push(
{
link,
title,
date,
author,
content,
comments,
commentsLink: link + '#comments'
}
)
}
resolve({
articles
})
},
timeout: 2500
}).catch(err => {
resolve({
articles: null
})
})
})
return await promise
}