87 lines
2.1 KiB
JavaScript
87 lines
2.1 KiB
JavaScript
import {exec} from 'child_process'
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import path from 'path'
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import fs from 'fs-extra'
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function filewalker (dir, done) {
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let results = []
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fs.readdir(dir, function (err, list) {
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if (err) return done(err)
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let pending = list.length
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if (!pending) return done(null, results)
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list.forEach(function (file) {
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file = path.resolve(dir, file)
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fs.stat(file, function (err, stat) {
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if (err) return done(err)
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// If directory, execute a recursive call
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if (stat && stat.isDirectory()) {
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filewalker(file, function (err, res) {
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if (err) return done(err)
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results = results.concat(res)
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if (!--pending) done(null, results)
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})
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} else {
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results.push(file)
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if (!--pending) done(null, results)
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}
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})
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})
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})
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}
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async function insertDB (db, track) {
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let ensure = await db.get('SELECT * FROM Track WHERE title=? AND artist=?', track.title, track.artist)
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if (ensure) {
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return null
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}
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await db.run('INSERT INTO Track VALUES (NULL,?,?,?,?,?,?,?,?)',
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[track.title, track.artist, track.file, track.album || null, track.genre || null, track.track || null,
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track.year || null, Math.floor(track.duration)])
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return track
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}
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function getFiles (dir) {
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return new Promise((resolve, reject) => {
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filewalker(dir, (err, files) => {
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if (err) return reject(err)
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resolve(files)
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})
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})
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}
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function promiseExec (cmd, opts) {
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return new Promise((resolve, reject) => {
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exec(cmd, opts, function (err, stdout, stderr) {
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if (err) return reject(err)
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resolve({stdout, stderr})
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})
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})
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}
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function askAsync (rl, q) {
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return new Promise((resolve, reject) => {
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rl.question(q, resolve)
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})
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}
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function copyAsync (fsrc, fdst) {
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return new Promise((resolve, reject) => {
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let source = fs.createReadStream(path.resolve(fsrc))
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let dest = fs.createWriteStream(path.resolve(fdst))
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source.pipe(dest)
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source.on('end', resolve)
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source.on('error', reject)
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})
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}
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export default {getFiles, promiseExec, askAsync, insertDB, copyAsync}
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