const { db, file, parser, store, logger, id, api } = require('../../core') const { program } = require('commander') const _ = require('lodash') const options = program .option( '--max-clusters ', 'Set maximum number of clusters', parser.parseNumber, 256 ) .option('--input-dir ', 'Set path to input directory', 'channels') .parse(process.argv) .opts() async function main() { logger.info('starting...') logger.info(`number of clusters: ${options.maxClusters}`) await saveToDatabase(await findStreams()) logger.info('done') } main() async function findStreams() { logger.info(`looking for streams...`) await api.channels.load() await db.streams.load() const files = await file.list(`${options.inputDir}/**/*.m3u`) const streams = [] for (const filepath of files) { const items = await parser.parsePlaylist(filepath) for (const item of items) { item.filepath = filepath streams.push(item) } } logger.info(`found ${streams.length} streams`) return streams } async function saveToDatabase(streams = []) { logger.info('saving to the database...') await db.streams.reset() const chunks = split(_.shuffle(streams), options.maxClusters) for (const [i, chunk] of chunks.entries()) { for (const item of chunk) { const stream = store.create() const channel = await api.channels.find({ id: item.tvg.id }) const channel_id = channel ? channel.id : null stream.set('channel', { channel: channel_id }) stream.set('title', { title: item.name }) stream.set('filepath', { filepath: item.filepath }) stream.set('url', { url: item.url }) stream.set('http_referrer', { http_referrer: item.http.referrer }) stream.set('user_agent', { user_agent: item.http['user-agent'] }) stream.set('cluster_id', { cluster_id: i + 1 }) await db.streams.insert(stream.data()) } } } function split(arr, n) { let result = [] for (let i = n; i > 0; i--) { result.push(arr.splice(0, Math.ceil(arr.length / i))) } return result }