btrtracks/src/lastfm.js

61 lines
1.6 KiB
JavaScript
Raw Normal View History

2019-01-25 15:00:35 +00:00
import path from 'path'
import as from './common/async'
import dl from './common/download'
import crypto from 'crypto'
const values = require(path.join(process.cwd(), 'values.json'))
let externalTracks = {}
function createHash (data) {
return crypto.createHash('sha1').update(data.artist + data.name).digest('hex')
.substr(0, 8)
}
async function getTrackMetaReal (id) {
if (!id || !externalTracks[id]) return null
let trdata = externalTracks[id]
if (trdata.file) return trdata
let trsrch = 'ytsearch1:' + trdata.artist + ' - ' + trdata.title
let dldata = await dl.getVideoInfo(trsrch)
externalTracks[id] = {
id: trdata.id,
title: trdata.title,
artist: trdata.artist,
file: dldata.url,
duration: dldata.duration,
external: true
}
return externalTracks[id]
}
async function search (track, limit = 30) {
if (!values.lastfm) return []
let data
try {
data = await as.GET(`http://ws.audioscrobbler.com/2.0/?method=track.search&track=${track}&api_key=${values.lastfm}&format=json&limit=${limit}`)
data = JSON.parse(data)
} catch (e) {
console.warn(e.stack)
return []
}
if (!data.results || !data.results.trackmatches || !data.results.trackmatches.track) return
let final = []
for (let i in data.results.trackmatches.track) {
let res = data.results.trackmatches.track[i]
try {
let tr = { artist: res.artist, title: res.name, external: true, id: createHash(res) }
externalTracks[tr.id] = tr
final.push(tr)
} catch (e) {
continue
}
}
return final
}
export default {search, getTrackMetaReal}