83 lines
1.9 KiB
JavaScript
83 lines
1.9 KiB
JavaScript
const parser = require('./parser')
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const utils = require('./utils')
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const log = require('./log')
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let globalBuffer = []
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async function main() {
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log.start()
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log.print(`Parsing 'index.m3u'...`)
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const playlists = parser.parseIndex().filter(i => i.url !== 'channels/unsorted.m3u')
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for (const playlist of playlists) {
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log.print(`\nProcessing '${playlist.url}'...`)
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await parser
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.parsePlaylist(playlist.url)
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.then(addToBuffer)
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.then(removeDuplicates)
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.then(utils.savePlaylist)
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}
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if (playlists.length) {
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log.print(`\nProcessing 'channels/unsorted.m3u'...`)
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await parser
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.parsePlaylist('channels/unsorted.m3u')
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.then(removeUnsortedDuplicates)
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.then(utils.savePlaylist)
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}
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log.finish()
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}
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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.channels)
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return playlist
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}
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async function removeDuplicates(playlist) {
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let buffer = {}
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const channels = playlist.channels.filter(i => {
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const url = utils.removeProtocol(i.url)
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const result = typeof buffer[url] === 'undefined'
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if (result) {
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buffer[url] = true
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}
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return result
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})
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if (playlist.channels.length !== channels.length) {
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log.print('updated')
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playlist.channels = channels
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}
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return playlist
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}
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async function removeUnsortedDuplicates(playlist) {
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// locally
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let buffer = {}
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let channels = playlist.channels.filter(i => {
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const url = utils.removeProtocol(i.url)
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const result = typeof buffer[url] === 'undefined'
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if (result) buffer[url] = true
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return result
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})
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// globally
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const urls = globalBuffer.map(i => utils.removeProtocol(i.url))
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channels = channels.filter(i => !urls.includes(utils.removeProtocol(i.url)))
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if (channels.length !== playlist.channels.length) {
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log.print('updated')
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playlist.channels = channels
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}
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return playlist
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}
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main()
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