147 lines
3.8 KiB
JavaScript
147 lines
3.8 KiB
JavaScript
const helper = require('./helper')
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const config = {
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debug: process.env.npm_config_debug || false,
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country: process.env.npm_config_country,
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exclude: process.env.npm_config_exclude,
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epg: process.env.npm_config_epg || false
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}
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let updated = 0
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async function main() {
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console.log(`Parsing index...`)
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const index = parseIndex()
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for(let item of index.items) {
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console.log(`Processing '${item.url}'...`)
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let playlist = parsePlaylist(item.url)
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if(config.debug) { console.log(`Sorting channels...`) }
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playlist = sortChannels(playlist)
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if(config.debug) { console.log(`Removing duplicates...`) }
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playlist = removeDuplicates(playlist)
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if(config.epg) {
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const tvgUrl = playlist.header.attrs['x-tvg-url']
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if(tvgUrl) {
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if(config.debug) { console.log(`Loading EPG from '${tvgUrl}'...`) }
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const epg = await loadEPG(tvgUrl)
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if(config.debug) { console.log(`Adding the missing data from EPG...`) }
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playlist = addDataFromEPG(playlist, epg)
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} else {
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if(config.debug) { console.log(`EPG source is not found`) }
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}
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}
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if(playlist.changed) {
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updatePlaylist(item.url, playlist)
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updated++
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} else {
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console.log('Nothing is changed')
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}
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}
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console.log(`Updated ${updated} playlist(s)`)
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console.log('Done.\n')
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}
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function parseIndex() {
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const playlist = helper.parsePlaylist('index.m3u')
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playlist.items = helper.filterPlaylists(playlist.items, config.country, config.exclude)
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console.log(`Found ${playlist.items.length} playlist(s)`)
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return playlist
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}
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function parsePlaylist(url) {
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const playlist = helper.parsePlaylist(url)
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playlist.items = playlist.items.map(item => {
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return helper.createChannel(item)
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})
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return playlist
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}
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function sortChannels(playlist) {
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const channels = JSON.stringify(playlist.items)
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playlist.items = helper.sortBy(playlist.items, ['title', 'url'])
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if(channels !== JSON.stringify(playlist.items)) { playlist.changed = true }
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return playlist
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}
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function removeDuplicates(playlist) {
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let buffer = {}
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const channels = JSON.stringify(playlist.items)
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playlist.items = playlist.items.filter(i => {
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let result = typeof buffer[i.url] === 'undefined'
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if(result) {
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buffer[i.url] = true
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} else {
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if(config.debug) { console.log(`Duplicate of '${i.title}' has been removed`) }
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}
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return result
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})
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if(channels !== JSON.stringify(playlist.items)) { playlist.changed = true }
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return playlist
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}
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async function loadEPG(url) {
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try {
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return await helper.parseEPG(url)
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} catch(err) {
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console.error(`Error: could not load '${url}'`)
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return
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}
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}
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function addDataFromEPG(playlist, epg) {
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if(!epg) return playlist
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for(let item of playlist.items) {
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if(!item.id) continue
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const channel = epg.channels[item.id]
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if(!channel) continue
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if(!item.name && channel.name.length) {
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item.name = channel.name[0].value
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playlist.changed = true
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if(config.debug) { console.log(`Added tvg-name '${item.name}' to '${item.title}'`) }
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}
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if(!item.language && channel.name.length && channel.name[0].lang) {
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item.language = channel.name[0].lang
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playlist.changed = true
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if(config.debug) { console.log(`Added tvg-language '${item.language}' to '${item.title}'`) }
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}
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if(!item.logo && channel.icon.length) {
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item.logo = channel.icon[0]
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playlist.changed = true
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if(config.debug) { console.log(`Added tvg-logo '${item.logo}' to '${item.title}'`) }
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}
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}
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return playlist
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}
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function updatePlaylist(filepath, playlist) {
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helper.createFile(filepath, playlist.getHeader())
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for(let channel of playlist.items) {
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helper.appendToFile(filepath, channel.toShortString())
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}
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console.log(`Playlist '${filepath}' has been updated`)
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}
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main()
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