213 lines
6.3 KiB
JavaScript
Executable file
213 lines
6.3 KiB
JavaScript
Executable file
#!/usr/bin/env node
|
|
|
|
// requirements
|
|
const os = require('os');
|
|
const path = require('path');
|
|
const fs = require('fs');
|
|
const fse = require('fs-extra');
|
|
const async = require('async');
|
|
const commander = require('commander');
|
|
const recursive = require('recursive-readdir');
|
|
const metadata = require('musicmetadata');
|
|
const progress = require('progress');
|
|
const app = require('./package.json');
|
|
|
|
// generate timestamp
|
|
const start = process.hrtime();
|
|
|
|
printLogo();
|
|
|
|
// general options
|
|
commander
|
|
.version(app.version)
|
|
.usage('[options] <command>')
|
|
.option('-c, --concurrency <n>', 'specify concurrency level', os.cpus().length);
|
|
|
|
// conversion mode
|
|
commander
|
|
.command('convert <input> <output>')
|
|
.description('convert .flac to .mp3 files')
|
|
.option('-b, --bitrate <n>', 'specify conversion bitrate', 320)
|
|
.action(function (input, output, options) {
|
|
console.log('--- CONVERT MODE ---');
|
|
console.log('input: ' + input);
|
|
console.log('output: ' + output);
|
|
console.log('bitrate: ' + commander.options.bitrate);
|
|
console.log('conc: ' + commander.concurrency);
|
|
});
|
|
|
|
// sort mode
|
|
commander
|
|
.command('sort <input> <output>')
|
|
.description('sort audio files by tags')
|
|
.option('-f, --format <type>', 'specify audio format (\'flac\', \'mp3\')', 'flac')
|
|
.action(sort);
|
|
|
|
// parse command line arguments
|
|
commander.parse(process.argv);
|
|
|
|
// sort files
|
|
function sort(input, output, options) {
|
|
const concurrency = commander.concurrency;
|
|
async.waterfall([
|
|
function (asyncCallback) {
|
|
recursive(input, [ignoreFilter], asyncCallback);
|
|
},
|
|
function (files, asyncCallback) {
|
|
console.log(files.length + ' \'' + options.format + '\' files found');
|
|
// display progressbar
|
|
const bar = createProgressBar(files.length);
|
|
// handle each file
|
|
async.eachLimit(files, concurrency, function (file, eachCallback) {
|
|
processFile(output, file, function (err) {
|
|
bar.tick();
|
|
if (err) {
|
|
return eachCallback(err);
|
|
}
|
|
eachCallback();
|
|
});
|
|
}, function (err) {
|
|
if (err) {
|
|
return asyncCallback(err);
|
|
}
|
|
asyncCallback();
|
|
});
|
|
}
|
|
], function (err, result) {
|
|
exit(err);
|
|
});
|
|
|
|
function ignoreFilter(file, stats) {
|
|
return !stats.isDirectory() && path.extname(file).indexOf(options.format) == -1;
|
|
}
|
|
}
|
|
|
|
// move file to location defined by its metadata
|
|
function processFile(output, sourceFile, callback) {
|
|
async.waterfall([
|
|
function (asyncCallback) {
|
|
extractMetadata(sourceFile, asyncCallback)
|
|
},
|
|
function (sourceFile, metadata, asyncCallback) {
|
|
pathFromMetadata(sourceFile, output, metadata, asyncCallback);
|
|
},
|
|
function (targetFile, asyncCallback) {
|
|
moveFile(sourceFile, targetFile, asyncCallback);
|
|
}
|
|
], function (err, results) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
callback(null, results);
|
|
});
|
|
}
|
|
|
|
// extract metadata for further processing
|
|
function extractMetadata(sourceFile, callback) {
|
|
const stream = fs.createReadStream(sourceFile);
|
|
metadata(stream, function (err, metadata) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
stream.close();
|
|
callback(null, sourceFile, metadata)
|
|
});
|
|
}
|
|
|
|
// create path for target file
|
|
function pathFromMetadata(file, output, metadata, callback) {
|
|
// define directory
|
|
let filePath = path.normalize(output);
|
|
if (metadata.albumartist && metadata.albumartist.length > 0) {
|
|
let tmp;
|
|
const artistCount = metadata.albumartist.length;
|
|
for (let counter = 0; counter < artistCount; counter++) {
|
|
if (counter > 0) {
|
|
tmp += ' - ' + metadata.albumartist[counter];
|
|
} else {
|
|
tmp = metadata.albumartist[counter];
|
|
}
|
|
}
|
|
filePath = path.join(filePath, tmp);
|
|
} else {
|
|
filePath = path.join(filePath, metadata.artist[0]);
|
|
}
|
|
if (metadata.album) {
|
|
filePath = path.join(filePath, metadata.album);
|
|
}
|
|
// define filename
|
|
let fileName = '';
|
|
if (metadata.disk.no) {
|
|
fileName += frontFill(metadata.disk.no, '0', 2);
|
|
}
|
|
if (metadata.track.no) {
|
|
if (fileName) {
|
|
fileName += '-' + frontFill(metadata.track.no, '0', 2) + ' ';
|
|
} else {
|
|
fileName += frontFill(metadata.track.no, '0', 2) + ' ';
|
|
}
|
|
}
|
|
if (metadata.artist) {
|
|
fileName += metadata.artist[0] + ' - ';
|
|
}
|
|
if (metadata.title) {
|
|
fileName += metadata.title;
|
|
}
|
|
// append extension
|
|
fileName += path.extname(file);
|
|
// join directory and name
|
|
callback(null, path.join(filePath, fileName));
|
|
}
|
|
|
|
// create a ascii progressbar
|
|
function createProgressBar(total) {
|
|
return new progress(':bar | progress: :current/:total (:percent) | elapsed: :elapseds | eta: :etas', {
|
|
total: total,
|
|
width: 32
|
|
});
|
|
}
|
|
|
|
// create target directory and move the file
|
|
function moveFile(source, target, callback) {
|
|
async.series([
|
|
function (asyncCallback) {
|
|
fse.mkdirs(path.dirname(target), asyncCallback);
|
|
},
|
|
function (asyncCallback) {
|
|
fse.move(source, target, asyncCallback);
|
|
}
|
|
], function (err, results) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
callback();
|
|
});
|
|
}
|
|
|
|
// fill a string beginning from the front
|
|
function frontFill(string, fill, length) {
|
|
while (string.toString().length < length) {
|
|
string = fill + string;
|
|
}
|
|
return string;
|
|
}
|
|
|
|
// print logo
|
|
function printLogo() {
|
|
console.log(' _ _ _ __ __ ');
|
|
console.log(' | |__ __ _ __| |__ _ ___ _ _ /_\\ | \\/ |');
|
|
console.log(' | \'_ \\\/ _` \/ _` \/ _` / -_) \'_\/ _ \\| |\\/| |');
|
|
console.log(' |_.__\/\\__,_\\__,_\\__, \\___|_|\/_\/ \\_\\_| |_|');
|
|
console.log(' |___/ ');
|
|
}
|
|
|
|
// shutdown
|
|
function exit(err) {
|
|
if (err) {
|
|
console.error(err);
|
|
process.exit(1);
|
|
}
|
|
const diff = process.hrtime(start);
|
|
console.log('exiting after ' + ((diff[0] + (diff[1] / 1000000)) / 1000).toFixed(2) + ' seconds');
|
|
process.exit(0);
|
|
} |