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iptv/scripts/core/playlistParser.ts

66 lines
1.8 KiB
TypeScript

import { Collection, Storage } from '@freearhey/core'
import parser from 'iptv-playlist-parser'
import { Stream } from '../models'
import path from 'path'
import { STREAMS_DIR } from '../constants'
export class PlaylistParser {
storage: Storage
constructor({ storage }: { storage: Storage }) {
this.storage = storage
}
async parse(files: string[]): Promise<Collection> {
let streams = new Collection()
for (const filepath of files) {
const relativeFilepath = filepath.replace(path.normalize(STREAMS_DIR), '')
const _streams: Collection = await this.parseFile(relativeFilepath)
streams = streams.concat(_streams)
}
return streams
}
async parseFile(filepath: string): Promise<Collection> {
const streams = new Collection()
const content = await this.storage.load(filepath)
const parsed: parser.Playlist = parser.parse(content)
parsed.items.forEach((item: parser.PlaylistItem) => {
const { name, label, quality } = parseTitle(item.name)
const stream = new Stream({
channel: item.tvg.id,
name,
label,
quality,
filepath,
line: item.line,
url: item.url,
httpReferrer: item.http.referrer,
userAgent: item.http['user-agent'],
timeshift: item.tvg.shift
})
streams.add(stream)
})
return streams
}
}
function parseTitle(title: string): { name: string; label: string; quality: string } {
const [, label] = title.match(/ \[(.*)\]$/) || [null, '']
title = title.replace(new RegExp(` \\[${escapeRegExp(label)}\\]$`), '')
const [, quality] = title.match(/ \(([0-9]+p)\)$/) || [null, '']
title = title.replace(new RegExp(` \\(${quality}\\)$`), '')
return { name: title, label, quality }
}
function escapeRegExp(text) {
return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
}