iptv/scripts/utils.js

213 lines
4.8 KiB
JavaScript

const fs = require('fs')
const path = require('path')
const axios = require('axios')
const zlib = require('zlib')
const urlParser = require('url')
const escapeStringRegexp = require('escape-string-regexp')
const markdownInclude = require('markdown-include')
const iso6393 = require('iso-639-3')
const regions = require('./regions')
const categories = require('./categories')
const intlDisplayNames = new Intl.DisplayNames(['en'], {
style: 'narrow',
type: 'region'
})
const utils = {}
utils.code2flag = function (code) {
code = code.toUpperCase()
switch (code) {
case 'UK':
return '🇬🇧'
case 'INT':
return '🌍'
case 'UNSORTED':
return ''
default:
return code.replace(/./g, char => String.fromCodePoint(char.charCodeAt(0) + 127397))
}
}
utils.region2codes = function (region) {
region = region.toUpperCase()
return regions[region] ? regions[region].codes : []
}
utils.code2name = function (code) {
try {
code = code.toUpperCase()
if (regions[code]) return regions[code].name
if (code === 'US') return 'United States'
if (code === 'INT') return 'International'
return intlDisplayNames.of(code)
} catch (e) {
return null
}
}
utils.language2code = function (name) {
const lang = iso6393.find(l => l.name === name)
return lang && lang.iso6393 ? lang.iso6393 : null
}
utils.sortBy = function (arr, fields) {
return arr.sort((a, b) => {
for (let field of fields) {
let propA = a[field] ? a[field].toLowerCase() : ''
let propB = b[field] ? b[field].toLowerCase() : ''
if (propA === 'undefined') {
return 1
}
if (propB === 'undefined') {
return -1
}
if (propA === 'other') {
return 1
}
if (propB === 'other') {
return -1
}
if (propA < propB) {
return -1
}
if (propA > propB) {
return 1
}
}
return 0
})
}
utils.loadEPG = function (url) {
return new Promise((resolve, reject) => {
var buffer = []
axios({
method: 'get',
url: url,
responseType: 'stream',
timeout: 60000
})
.then(res => {
let stream
if (/\.gz$/i.test(url)) {
let gunzip = zlib.createGunzip()
res.data.pipe(gunzip)
stream = gunzip
} else {
stream = res.data
}
stream
.on('data', function (data) {
buffer.push(data.toString())
})
.on('end', function () {
resolve(buffer.join(''))
})
.on('error', function (e) {
reject(e)
})
})
.catch(e => {
reject(e)
})
})
}
utils.getBasename = function (filename) {
return path.basename(filename, path.extname(filename))
}
utils.filterPlaylists = function (arr, include = '', exclude = '') {
if (include) {
const included = include.split(',').map(filename => `channels/${filename}.m3u`)
return arr.filter(i => included.indexOf(i.url) > -1)
}
if (exclude) {
const excluded = exclude.split(',').map(filename => `channels/${filename}.m3u`)
return arr.filter(i => excluded.indexOf(i.url) === -1)
}
return arr
}
utils.generateTable = function (data, options) {
let output = '<table>\n'
output += '\t<thead>\n\t\t<tr>'
for (let column of options.columns) {
output += `<th align="${column.align}">${column.name}</th>`
}
output += '</tr>\n\t</thead>\n'
output += '\t<tbody>\n'
for (let item of data) {
output += '\t\t<tr>'
let i = 0
for (let prop in item) {
const column = options.columns[i]
let nowrap = column.nowrap
let align = column.align
output += `<td align="${align}"${nowrap ? ' nowrap' : ''}>${item[prop]}</td>`
i++
}
output += '</tr>\n'
}
output += '\t</tbody>\n'
output += '</table>'
return output
}
utils.createDir = function (dir) {
if (!fs.existsSync(dir)) {
fs.mkdirSync(dir)
}
}
utils.readFile = function (filename) {
return fs.readFileSync(path.resolve(__dirname) + `/../${filename}`, { encoding: 'utf8' })
}
utils.appendToFile = function (filename, data) {
fs.appendFileSync(path.resolve(__dirname) + '/../' + filename, data)
}
utils.compileMarkdown = function (filepath) {
return markdownInclude.compileFiles(path.resolve(__dirname, filepath))
}
utils.escapeStringRegexp = function (scring) {
return escapeStringRegexp(string)
}
utils.createFile = function (filename, data = '') {
fs.writeFileSync(path.resolve(__dirname) + '/../' + filename, data)
}
utils.writeToLog = function (country, msg, url) {
var now = new Date()
var line = `${country}: ${msg} '${url}'`
this.appendToFile('error.log', now.toISOString() + ' ' + line + '\n')
}
utils.sleep = function (ms) {
return function (x) {
return new Promise(resolve => setTimeout(() => resolve(x), ms))
}
}
module.exports = utils