dizquetv/index.js
2024-10-21 02:44:51 -04:00

420 lines
16 KiB
JavaScript

const db = require('diskdb')
const fs = require('fs')
const unzip = require('unzipper')
const path = require('path')
const express = require('express')
const bodyParser = require('body-parser')
const fileUpload = require('express-fileupload');
const i18next = require('i18next');
const i18nextMiddleware = require('i18next-http-middleware/cjs');
const i18nextBackend = require('i18next-fs-backend/cjs');
const api = require('./src/api')
const dbMigration = require('./src/database-migration');
const video = require('./src/video')
const HDHR = require('./src/hdhr')
const FileCacheService = require('./src/services/file-cache-service');
const CacheImageService = require('./src/services/cache-image-service');
const ChannelService = require("./src/services/channel-service");
const xmltv = require('./src/xmltv')
const Plex = require('./src/plex');
const constants = require('./src/constants')
const ChannelDB = require("./src/dao/channel-db");
const M3uService = require("./src/services/m3u-service");
const FillerDB = require("./src/dao/filler-db");
const CustomShowDB = require("./src/dao/custom-show-db");
const TVGuideService = require("./src/services/tv-guide-service");
const EventService = require("./src/services/event-service");
const OnDemandService = require("./src/services/on-demand-service");
const ProgrammingService = require("./src/services/programming-service");
const ActiveChannelService = require('./src/services/active-channel-service')
const ProgramPlayTimeDB = require('./src/dao/program-play-time-db')
const FfmpegSettingsService = require('./src/services/ffmpeg-settings-service')
const onShutdown = require("node-graceful-shutdown").onShutdown;
console.log(
` \\
dizqueTV ${constants.VERSION_NAME}
.------------.
|:::///### o |
|:::///### |
':::///### o |
'------------'
`);
const NODE = parseInt( process.version.match(/^[^0-9]*(\d+)\..*$/)[1] );
if (NODE < 12) {
console.error(`WARNING: Your nodejs version ${process.version} is lower than supported. dizqueTV has been tested best on nodejs 12.16.`);
}
unlockPath = false;
for (let i = 0, l = process.argv.length; i < l; i++) {
if ((process.argv[i] === "-p" || process.argv[i] === "--port") && i + 1 !== l)
process.env.PORT = process.argv[i + 1]
if ((process.argv[i] === "-d" || process.argv[i] === "--database") && i + 1 !== l)
process.env.DATABASE = process.argv[i + 1]
if (process.argv[i] === "--unlock") {
unlockPath = true;
}
}
process.env.DATABASE = process.env.DATABASE || path.join(".", ".dizquetv")
process.env.PORT = process.env.PORT || 8000
if (!fs.existsSync(process.env.DATABASE)) {
if (fs.existsSync( path.join(".", ".pseudotv") )) {
throw Error(process.env.DATABASE + " folder not found but ./.pseudotv has been found. Please rename this folder or create an empty " + process.env.DATABASE + " folder so that the program is not confused about.");
}
fs.mkdirSync(process.env.DATABASE)
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'images'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'images'))
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'channels'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'channels'))
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'filler'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'filler'))
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'custom-shows'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'custom-shows'))
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'cache'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'cache'))
}
if(!fs.existsSync(path.join(process.env.DATABASE, 'cache','images'))) {
fs.mkdirSync(path.join(process.env.DATABASE, 'cache','images'))
}
channelDB = new ChannelDB( path.join(process.env.DATABASE, 'channels') );
db.connect(process.env.DATABASE, ['channels', 'plex-servers', 'ffmpeg-settings', 'plex-settings', 'xmltv-settings', 'hdhr-settings', 'db-version', 'client-id', 'cache-images', 'settings'])
let fontAwesome = "fontawesome-free-5.15.4-web";
let bootstrap = "bootstrap-4.4.1-dist";
initDB(db, channelDB)
channelService = new ChannelService(channelDB);
fillerDB = new FillerDB( path.join(process.env.DATABASE, 'filler') , channelService );
customShowDB = new CustomShowDB( path.join(process.env.DATABASE, 'custom-shows') );
let programPlayTimeDB = new ProgramPlayTimeDB( path.join(process.env.DATABASE, 'play-cache') );
let ffmpegSettingsService = new FfmpegSettingsService(db, unlockPath);
async function initializeProgramPlayTimeDB() {
try {
let t0 = new Date().getTime();
await programPlayTimeDB.load();
let t1 = new Date().getTime();
console.log(`Program Play Time Cache loaded in ${t1-t0} milliseconds.`);
} catch (err) {
console.log(err);
}
}
initializeProgramPlayTimeDB();
fileCache = new FileCacheService( path.join(process.env.DATABASE, 'cache') );
cacheImageService = new CacheImageService(db, fileCache);
m3uService = new M3uService(fileCache, channelService)
onDemandService = new OnDemandService(channelService);
programmingService = new ProgrammingService(onDemandService);
activeChannelService = new ActiveChannelService(onDemandService, channelService);
eventService = new EventService();
i18next
.use(i18nextBackend)
.use(i18nextMiddleware.LanguageDetector)
.init({
// debug: true,
initImmediate: false,
backend: {
loadPath: path.join(__dirname, '/locales/server/{{lng}}.json'),
addPath: path.join(__dirname, '/locales/server/{{lng}}.json')
},
lng: 'en',
fallbackLng: 'en',
preload: ['en'],
});
const guideService = new TVGuideService(xmltv, db, cacheImageService, null, i18next);
let xmltvInterval = {
interval: null,
lastRefresh: null,
updateXML: async () => {
let channels = [];
try {
channels = await channelService.getAllChannels();
let xmltvSettings = db['xmltv-settings'].find()[0];
let t = guideService.prepareRefresh(channels, xmltvSettings.cache*60*60*1000);
channels = null;
guideService.refresh(t);
} catch (err) {
console.error("Unable to update TV guide?", err);
return;
}
},
notifyPlex: async() => {
xmltvInterval.lastRefresh = new Date()
console.log('XMLTV Updated at ', xmltvInterval.lastRefresh.toLocaleString());
channels = await channelService.getAllChannels();
let plexServers = db['plex-servers'].find()
for (let i = 0, l = plexServers.length; i < l; i++) { // Foreach plex server
let plex = new Plex(plexServers[i])
let dvrs;
if ( !plexServers[i].arGuide && !plexServers[i].arChannels) {
continue;
}
try {
dvrs = await plex.GetDVRS() // Refresh guide and channel mappings
} catch(err) {
console.error(`Couldn't get DVRS list from ${plexServers[i].name}. This error will prevent 'refresh guide' or 'refresh channels' from working for this Plex server. But it is NOT related to playback issues.` , err );
continue;
}
if (plexServers[i].arGuide) {
try {
await plex.RefreshGuide(dvrs);
} catch(err) {
console.error(`Couldn't tell Plex ${plexServers[i].name} to refresh guide for some reason. This error will prevent 'refresh guide' from working for this Plex server. But it is NOT related to playback issues.` , err);
}
}
if (plexServers[i].arChannels && channels.length !== 0) {
try {
await plex.RefreshChannels(channels, dvrs);
} catch(err) {
console.error(`Couldn't tell Plex ${plexServers[i].name} to refresh channels for some reason. This error will prevent 'refresh channels' from working for this Plex server. But it is NOT related to playback issues.` , err);
}
}
}
},
startInterval: () => {
let xmltvSettings = db['xmltv-settings'].find()[0]
if (xmltvSettings.refresh !== 0) {
xmltvInterval.interval = setInterval( async () => {
try {
await xmltvInterval.updateXML()
} catch(err) {
console.error("update XMLTV error", err);
}
}, xmltvSettings.refresh * 60 * 60 * 1000)
}
},
restartInterval: () => {
if (xmltvInterval.interval !== null)
clearInterval(xmltvInterval.interval)
xmltvInterval.startInterval()
}
}
guideService.on("xmltv-updated", (data) => {
try {
xmltvInterval.notifyPlex();
} catch (err) {
console.error("Unexpected issue when reacting to xmltv update", err);
}
} );
xmltvInterval.updateXML()
xmltvInterval.startInterval()
//setup xmltv update
channelService.on("channel-update", (data) => {
try {
console.log("Updating TV Guide due to channel update...");
//TODO: this could be smarter, like avoid updating 3 times if the channel was saved three times in a short time interval...
xmltvInterval.updateXML()
xmltvInterval.restartInterval()
} catch (err) {
console.error("Unexpected error issuing TV Guide udpate", err);
}
} );
let hdhr = HDHR(db, channelDB)
let app = express()
eventService.setup(app);
app.use(
i18nextMiddleware.handle(i18next, {})
);
app.use(fileUpload({
createParentPath: true
}));
app.use(bodyParser.json({limit: '50mb'}))
app.get('/version.js', (req, res) => {
res.writeHead(200, {
'Content-Type': 'application/javascript'
});
res.write( `
function setUIVersionNow() {
setTimeout( setUIVersionNow, 1000);
var element = document.getElementById("uiversion");
if (element != null) {
element.innerHTML = "${constants.VERSION_NAME}";
}
}
setTimeout( setUIVersionNow, 1000);
` );
res.end();
});
app.use('/images', express.static(path.join(process.env.DATABASE, 'images')))
app.use(express.static(path.join(__dirname, 'web','public')))
app.use('/images', express.static(path.join(process.env.DATABASE, 'images')))
app.use('/cache/images', cacheImageService.routerInterceptor())
app.use('/cache/images', express.static(path.join(process.env.DATABASE, 'cache','images')))
app.use('/favicon.svg', express.static(
path.join(__dirname, 'resources','favicon.svg')
) );
app.use('/custom.css', express.static(path.join(process.env.DATABASE, 'custom.css')))
// API Routers
app.use(api.router(db, channelService, fillerDB, customShowDB, xmltvInterval, guideService, m3uService, eventService, ffmpegSettingsService))
app.use('/api/cache/images', cacheImageService.apiRouters())
app.use('/' + fontAwesome, express.static(path.join(process.env.DATABASE, fontAwesome)))
app.use('/' + bootstrap, express.static(path.join(process.env.DATABASE, bootstrap)))
app.use(video.router( channelService, fillerDB, db, programmingService, activeChannelService, programPlayTimeDB ))
app.use(hdhr.router)
app.listen(process.env.PORT, () => {
console.log(`HTTP server running on port: http://*:${process.env.PORT}`)
let hdhrSettings = db['hdhr-settings'].find()[0]
if (hdhrSettings.autoDiscovery === true)
hdhr.ssdp.start()
})
function initDB(db, channelDB) {
//TODO: this is getting so repetitive, do it better
if (!fs.existsSync(process.env.DATABASE + '/images/dizquetv.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/dizquetv.png')))
fs.writeFileSync(process.env.DATABASE + '/images/dizquetv.png', data)
}
dbMigration.initDB(db, channelDB, __dirname);
if (!fs.existsSync(process.env.DATABASE + '/font.ttf')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/font.ttf')))
fs.writeFileSync(process.env.DATABASE + '/font.ttf', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/dizquetv.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/dizquetv.png')))
fs.writeFileSync(process.env.DATABASE + '/images/dizquetv.png', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/generic-error-screen.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/generic-error-screen.png')))
fs.writeFileSync(process.env.DATABASE + '/images/generic-error-screen.png', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/generic-offline-screen.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/generic-offline-screen.png')))
fs.writeFileSync(process.env.DATABASE + '/images/generic-offline-screen.png', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/generic-music-screen.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/generic-music-screen.png')))
fs.writeFileSync(process.env.DATABASE + '/images/generic-music-screen.png', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/loading-screen.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/loading-screen.png')))
fs.writeFileSync(process.env.DATABASE + '/images/loading-screen.png', data)
}
if (!fs.existsSync(process.env.DATABASE + '/images/black.png')) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources/black.png')))
fs.writeFileSync(process.env.DATABASE + '/images/black.png', data)
}
if (!fs.existsSync( path.join(process.env.DATABASE, 'custom.css') )) {
let data = fs.readFileSync(path.resolve(path.join(__dirname, 'resources', 'default-custom.css')))
fs.writeFileSync( path.join(process.env.DATABASE, 'custom.css'), data)
}
if (!fs.existsSync( path.join(process.env.DATABASE, fontAwesome) )) {
let sourceZip = path.resolve(__dirname, 'resources', fontAwesome) + ".zip";
let destinationPath = path.resolve(process.env.DATABASE);
fs.createReadStream(sourceZip)
.pipe(unzip.Extract({ path: destinationPath }));
}
if (!fs.existsSync( path.join(process.env.DATABASE, bootstrap) )) {
let sourceZip = path.resolve(__dirname, 'resources', bootstrap) + ".zip";
let destinationPath = path.resolve(process.env.DATABASE);
fs.createReadStream(sourceZip)
.pipe(unzip.Extract({ path: destinationPath }));
}
}
function _wait(t) {
return new Promise((resolve) => {
setTimeout(resolve, t);
});
}
async function sendEventAfterTime() {
let t = (new Date()).getTime();
await _wait(20000);
eventService.push(
"lifecycle",
{
"message": i18next.t("event.server_started"),
"detail" : {
"time": t,
},
"level" : "success"
}
);
}
sendEventAfterTime();
onShutdown("log" , [], async() => {
let t = (new Date()).getTime();
eventService.push(
"lifecycle",
{
"message": i18next.t("event.server_shutdown"),
"detail" : {
"time": t,
},
"level" : "warning"
}
);
console.log("Received exit signal, attempting graceful shutdonw...");
await _wait(2000);
});
onShutdown("xmltv-writer" , [], async() => {
await xmltv.shutdown();
} );
onShutdown("active-channels", [], async() => {
await activeChannelService.shutdown();
} );
onShutdown("video", [], async() => {
await video.shutdown();
} );