Update format.js
- Adds stream quality parser - More detailed console logs when debug mode is enabled
This commit is contained in:
freearhey
parent
507f30166c
commit
ba77a54b5d
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@ -1,173 +1,231 @@
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const helper = require('./helper')
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const axios = require('axios')
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const instance = axios.create({ timeout: 1000, maxContentLength: 1000 })
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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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epg: process.env.npm_config_epg || false,
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resolution: process.env.npm_config_resolution || false
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}
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let updated = 0
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let items = []
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let globalBuffer = []
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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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if (item.name === 'Unsorted') continue
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console.log(`Processing '${item.url}'...`)
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let playlist = parsePlaylist(item.url)
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items = items.concat(playlist.items)
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if (config.debug) {
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console.log(`Sorting channels...`)
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}
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playlist = sortChannels(playlist)
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if (config.debug) {
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console.log(`Removing duplicates...`)
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}
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playlist = removeDuplicates(playlist)
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if (config.epg) {
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const tvgUrl = playlist.header.attrs['x-tvg-url']
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if (tvgUrl) {
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if (config.debug) {
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console.log(`Loading EPG from '${tvgUrl}'...`)
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}
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const epg = await loadEPG(tvgUrl)
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if (config.debug) {
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console.log(`Adding the missing data from EPG...`)
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}
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playlist = addDataFromEPG(playlist, epg)
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} else {
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if (config.debug) {
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console.log(`EPG source is not found`)
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}
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}
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}
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updatePlaylist(item.url, playlist)
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for (const item of index.items) {
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await loadPlaylist(item.url)
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.then(addToBuffer)
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.then(sortChannels)
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.then(removeDuplicates)
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.then(detectResolution)
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.then(updateFromEPG)
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.then(updatePlaylist)
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.then(done)
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}
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console.log(`Processing 'channels/unsorted.m3u'...`)
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filterUnsorted()
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if (index.items.length) {
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await loadPlaylist('channels/unsorted.m3u').then(removeUnsortedDuplicates).then(updatePlaylist)
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}
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console.log('Done.\n')
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finish()
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}
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function parseIndex() {
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console.info(`Parsing 'index.m3u'...`)
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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 + 1} playlist(s)`)
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playlist.items = helper
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.filterPlaylists(playlist.items, config.country, config.exclude)
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.filter(i => i.url !== 'channels/unsorted.m3u')
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console.info(`Found ${playlist.items.length} playlist(s)`)
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console.info(`\n------------------------------------------\n`)
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return playlist
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}
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function parsePlaylist(url) {
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async function loadPlaylist(url) {
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console.info(`Processing '${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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playlist.url = url
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playlist.changed = false
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playlist.items = playlist.items
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.map(item => {
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return helper.createChannel(item)
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})
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.filter(i => i.url)
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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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async function addToBuffer(playlist) {
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if (playlist.url === 'channels/unsorted.m3u') return playlist
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globalBuffer = globalBuffer.concat(playlist.items)
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return playlist
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}
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async function sortChannels(playlist) {
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if (config.debug) console.info(` Sorting channels...`)
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playlist.items = helper.sortBy(playlist.items, ['name', 'url'])
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if (config.debug) console.info(` Channels sorted by name.`)
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return playlist
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}
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function removeDuplicates(playlist) {
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async function removeDuplicates(playlist) {
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if (config.debug) console.info(` Looking for duplicates...`)
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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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const items = playlist.items.filter(i => {
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const 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) {
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console.log(`Duplicate of '${i.name}' has been removed`)
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}
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} else if (config.debug) {
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console.info(` '${i.url}' removed`)
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}
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return result
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})
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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 '${url}'`)
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return
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if (config.debug && items.length === playlist.items.length) {
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console.info(` No duplicates were found.`)
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}
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}
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function addDataFromEPG(playlist, epg) {
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if (!epg) return playlist
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for (let channel of playlist.items) {
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if (!channel.tvg.id) continue
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const epgItem = epg.channels[channel.tvg.id]
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if (!epgItem) continue
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if (!channel.tvg.name && epgItem.name.length) {
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channel.tvg.name = epgItem.name[0].value
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playlist.changed = true
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if (config.debug) {
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console.log(`Added tvg-name '${channel.tvg.name}' to '${channel.name}'`)
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}
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}
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if (!channel.language.length && epgItem.name.length && epgItem.name[0].lang) {
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channel.setLanguage(epgItem.name[0].lang)
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playlist.changed = true
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if (config.debug) {
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console.log(`Added tvg-language '${epgItem.name[0].lang}' to '${channel.name}'`)
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}
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}
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if (!channel.logo && epgItem.icon.length) {
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channel.logo = epgItem.icon[0]
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playlist.changed = true
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if (config.debug) {
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console.log(`Added tvg-logo '${channel.logo}' to '${channel.name}'`)
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}
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}
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}
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playlist.items = items
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return playlist
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}
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function updatePlaylist(filepath, playlist) {
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helper.createFile(filepath, playlist.getHeader())
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for (let channel of playlist.items) {
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helper.appendToFile(filepath, channel.toShortString())
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async function detectResolution(playlist) {
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if (!config.resolution) return playlist
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if (config.debug) console.info(` Detecting resolution...`)
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const results = []
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for (const item of playlist.items) {
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const url = item.url
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if (config.debug) console.info(` Fetching '${url}'...`)
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const response = await instance.get(url).catch(err => {})
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if (isValid(response)) {
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const resolution = parseResolution(response.data)
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if (resolution) {
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item.resolution = resolution
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}
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if (config.debug) console.info(` Output: ${JSON.stringify(resolution)}`)
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} else {
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if (config.debug) console.error(` Error: invalid response`)
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}
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results.push(item)
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}
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playlist.items = results
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return playlist
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}
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async function updateFromEPG(playlist) {
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if (!config.epg) return playlist
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const tvgUrl = playlist.header.attrs['x-tvg-url']
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if (!tvgUrl) return playlist
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if (config.debug) console.info(` Loading EPG from '${tvgUrl}'...`)
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return helper
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.parseEPG(tvgUrl)
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.then(epg => {
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if (!epg) return playlist
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playlist.items.map(channel => {
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if (!channel.tvg.id) return channel
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const epgItem = epg.channels[channel.tvg.id]
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if (!epgItem) return channel
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if (!channel.tvg.name && epgItem.name.length) {
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channel.tvg.name = epgItem.name[0].value
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playlist.changed = true
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if (config.debug) {
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console.info(` Added tvg-name '${channel.tvg.name}' to '${channel.name}'`)
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}
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}
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if (!channel.language.length && epgItem.name.length && epgItem.name[0].lang) {
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channel.setLanguage(epgItem.name[0].lang)
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playlist.changed = true
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if (config.debug) {
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console.info(` Added tvg-language '${epgItem.name[0].lang}' to '${channel.name}'`)
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}
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}
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if (!channel.logo && epgItem.icon.length) {
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channel.logo = epgItem.icon[0]
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playlist.changed = true
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if (config.debug) {
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console.info(` Added tvg-logo '${channel.logo}' to '${channel.name}'`)
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}
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}
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})
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return playlist
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})
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.catch(err => {
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if (config.debug) console.log(` Error: EPG could not be loaded`)
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})
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}
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function parseResolution(string) {
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const regex = /RESOLUTION=(\d+)x(\d+)/gm
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const match = string.matchAll(regex)
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const arr = Array.from(match).map(m => ({
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width: parseInt(m[1]),
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height: parseInt(m[2])
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}))
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return arr.length
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? arr.reduce(function (prev, current) {
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return prev.height > current.height ? prev : current
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})
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: undefined
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}
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async function removeUnsortedDuplicates(playlist) {
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if (config.debug) console.info(` Looking for duplicates...`)
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const urls = globalBuffer.map(i => i.url)
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const items = playlist.items.filter(i => !urls.includes(i.url))
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if (items.length === playlist.items.length) {
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if (config.debug) console.info(` No duplicates were found.`)
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return null
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}
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playlist.items = items
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return playlist
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}
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function sleep(ms) {
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return function (x) {
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return new Promise(resolve => setTimeout(() => resolve(x), ms))
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}
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}
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function filterUnsorted() {
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const urls = items.map(i => i.url)
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const unsortedPlaylist = parsePlaylist('channels/unsorted.m3u')
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const before = unsortedPlaylist.items.length
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unsortedPlaylist.items = unsortedPlaylist.items.filter(i => !urls.includes(i.url))
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function isValid(response) {
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return response && response.status === 200 && /^#EXTM3U/.test(response.data)
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}
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if (before !== unsortedPlaylist.items.length) {
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updatePlaylist('channels/unsorted.m3u', unsortedPlaylist)
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updated++
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async function updatePlaylist(playlist) {
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if (!playlist) {
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console.info(`No changes have been made.`)
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return false
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}
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helper.createFile(playlist.url, playlist.getHeader())
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for (let channel of playlist.items) {
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helper.appendToFile(playlist.url, channel.toShortString())
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}
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console.info(`File has been updated.`)
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return true
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}
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async function done() {
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if (config.debug) console.info(` `)
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}
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function finish() {
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console.info(`\n------------------------------------------\n`)
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console.info('Done.\n')
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}
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main()
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