const fs = require('fs') const path = require('path') const playlistParser = require('iptv-playlist-parser') const axios = require('axios') const zlib = require('zlib') const epgParser = require('epg-parser') const urlParser = require('url') const ISO6391 = require('iso-639-1') const escapeStringRegexp = require('escape-string-regexp') const markdownInclude = require('markdown-include') let cache = {} let helper = {} helper.sortBy = function (arr, fields) { return arr.sort((a, b) => { for (let field of fields) { if (a[field].toLowerCase() < b[field].toLowerCase()) { return -1 } if (a[field].toLowerCase() > b[field].toLowerCase()) { return 1 } } return 0 }) } helper.createDir = function (dir) { if (!fs.existsSync(dir)) { fs.mkdirSync(dir) } } helper.compileMarkdown = function (filepath) { return markdownInclude.compileFiles(path.resolve(__dirname, filepath)) } helper.escapeStringRegexp = function (scring) { return escapeStringRegexp(string) } helper.getISO6391Name = function (code) { return ISO6391.getName(code) } helper.getISO6391Code = function (name) { return ISO6391.getCode(name) } helper.parsePlaylist = function (filename) { const content = this.readFile(filename) const result = playlistParser.parse(content) return new Playlist(result) } helper.parseEPG = async function (url) { const content = await this.getEPG(url) const result = epgParser.parse(content) const channels = {} for (let channel of result.channels) { channels[channel.id] = channel } return Promise.resolve({ url, channels }) } helper.getEPG = function (url) { return new Promise((resolve, reject) => { var buffer = [] axios({ method: 'get', url: url, responseType: 'stream', timeout: 60000 }) .then(res => { let stream if (/\.gz$/i.test(url)) { let gunzip = zlib.createGunzip() res.data.pipe(gunzip) stream = gunzip } else { stream = res.data } stream .on('data', function (data) { buffer.push(data.toString()) }) .on('end', function () { resolve(buffer.join('')) }) .on('error', function (e) { reject(e) }) }) .catch(e => { reject(e) }) }) } helper.readFile = function (filename) { return fs.readFileSync(path.resolve(__dirname) + `/../${filename}`, { encoding: 'utf8' }) } helper.appendToFile = function (filename, data) { fs.appendFileSync(path.resolve(__dirname) + '/../' + filename, data) } helper.createFile = function (filename, data = '') { fs.writeFileSync(path.resolve(__dirname) + '/../' + filename, data) } helper.getBasename = function (filename) { return path.basename(filename, path.extname(filename)) } helper.getUrlPath = function (u) { let parsed = urlParser.parse(u) let searchQuery = parsed.search || '' let path = parsed.host + parsed.pathname + searchQuery return path.toLowerCase() } helper.filterPlaylists = function (arr, include = '', exclude = '') { if (include) { const included = include.split(',').map(filename => `channels/${filename}.m3u`) return arr.filter(i => included.indexOf(i.url) > -1) } if (exclude) { const excluded = exclude.split(',').map(filename => `channels/${filename}.m3u`) return arr.filter(i => excluded.indexOf(i.url) === -1) } return arr } helper.generateTable = function (data, options) { let output = '
${column.name} | ` } output += '
---|
${item[prop]} | ` i++ } output += '