iptv/scripts/core/generator.js

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JavaScript
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2021-12-12 05:10:18 +01:00
const { create: createPlaylist } = require('./playlist')
const store = require('./store')
const file = require('./file')
const logger = require('./logger')
const db = require('./db')
const _ = require('lodash')
const generator = {}
generator.generate = async function (filepath, query = {}, options = {}) {
options = {
...{
format: 'm3u',
saveEmpty: false,
includeNSFW: false,
includeGuides: true,
includeBroken: false,
onLoad: r => r,
uniqBy: item => item.id || _.uniqueId(),
sortBy: null
},
...options
}
query['is_nsfw'] = options.includeNSFW ? { $in: [true, false] } : false
query['is_broken'] = options.includeBroken ? { $in: [true, false] } : false
let items = await db
.find(query)
.sort({ name: 1, 'status.level': 1, 'resolution.height': -1, url: 1 })
items = _.uniqBy(items, 'url')
if (!options.saveEmpty && !items.length) return { filepath, query, options, count: 0 }
if (options.uniqBy) items = _.uniqBy(items, options.uniqBy)
items = options.onLoad(items)
if (options.sortBy) items = _.sortBy(items, options.sortBy)
switch (options.format) {
case 'json':
await saveAsJSON(filepath, items, options)
break
case 'm3u':
default:
await saveAsM3U(filepath, items, options)
break
}
return { filepath, query, options, count: items.length }
}
async function saveAsM3U(filepath, items, options) {
const playlist = await createPlaylist(filepath)
const header = {}
if (options.includeGuides) {
let guides = items.map(item => item.guides)
guides = _.uniq(_.flatten(guides)).sort().join(',')
header['x-tvg-url'] = guides
}
await playlist.header(header)
for (const item of items) {
const stream = store.create(item)
await playlist.link(
stream.get('url'),
stream.get('title'),
{
'tvg-id': stream.get('tvg_id'),
'tvg-country': stream.get('tvg_country'),
'tvg-language': stream.get('tvg_language'),
'tvg-logo': stream.get('tvg_logo'),
// 'tvg-url': stream.get('tvg_url') || undefined,
'user-agent': stream.get('http.user-agent') || undefined,
'group-title': stream.get('group_title')
},
{
'http-referrer': stream.get('http.referrer') || undefined,
'http-user-agent': stream.get('http.user-agent') || undefined
}
)
}
}
async function saveAsJSON(filepath, items, options) {
const output = items.map(item => {
const stream = store.create(item)
const categories = stream.get('categories').map(c => ({ name: c.name, slug: c.slug }))
const countries = stream.get('countries').map(c => ({ name: c.name, code: c.code }))
return {
name: stream.get('name'),
logo: stream.get('logo'),
url: stream.get('url'),
categories,
countries,
languages: stream.get('languages'),
tvg: {
id: stream.get('tvg_id'),
name: stream.get('name'),
url: stream.get('tvg_url')
}
}
})
await file.create(filepath, JSON.stringify(output))
}
generator.saveAsM3U = saveAsM3U
generator.saveAsJSON = saveAsJSON
module.exports = generator