137 lines
4.4 KiB
JavaScript
137 lines
4.4 KiB
JavaScript
// requirements
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const path = require('path');
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const async = require('async');
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const fse = require('fs-extra');
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const recursive = require('recursive-readdir');
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const progress = require('progress');
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const cli = require('./cli');
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const audio = require('./audio');
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// move all files from input to output directory
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function batchSort(config, callback) {
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async.waterfall([
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// get files
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function (waterfallCallback) {
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readDirRecursive(config.input, config.format, waterfallCallback);
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},
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// display info, prompt user and create progressbar
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function (files, waterfallCallback) {
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cli.askForConfirmation(files.length + ' files found.\nstart sorting now?', ['yes', 'y'], function (err) {
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if (err) {
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return waterfallCallback(err);
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}
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waterfallCallback(null, files, cli.createProgressBar(files.length));
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});
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},
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// process each file
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function (files, bar, waterfallCallback) {
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async.eachLimit(files, config.concurrency, function (file, eachCallback) {
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moveFile(file, config, function (err) {
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bar.tick();
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if (err) {
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return eachCallback(err);
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}
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eachCallback();
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})
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}, waterfallCallback);
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}
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], callback);
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}
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// create target directory and move the file
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function moveFile(source, config, callback) {
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async.waterfall([
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// get metadata
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function (waterfallCallback) {
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audio.extractMetadata(source, waterfallCallback);
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},
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// create path from metadata
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function (metadata, waterfallCallback) {
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getPathByMetadata(source, config.output, metadata, waterfallCallback);
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},
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// create target directory
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function (target, waterfallCallback) {
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fse.mkdirs(path.dirname(target), function (err) {
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if (err) {
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return waterfallCallback(err);
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}
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waterfallCallback(null, target);
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});
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},
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// move file
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function (target, waterfallCallback) {
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fse.move(source, target, waterfallCallback);
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}
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], callback);
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}
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// create path for target file
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function getPathByMetadata(source, output, metadata, callback) {
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// define directory
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let filePath = path.normalize(output);
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if (metadata.albumartist && metadata.albumartist.length > 0) {
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let tmp;
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const artistCount = metadata.albumartist.length;
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for (let counter = 0; counter < artistCount; counter++) {
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if (counter > 0) {
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tmp += ' - ' + metadata.albumartist[counter];
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} else {
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tmp = metadata.albumartist[counter];
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}
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}
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filePath = path.join(filePath, tmp);
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} else {
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filePath = path.join(filePath, metadata.artist[0]);
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}
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if (metadata.album) {
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filePath = path.join(filePath, metadata.album);
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}
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// define filename
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let fileName = '';
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if (metadata.disk.no) {
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fileName += frontFill(metadata.disk.no, '0', 2);
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}
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if (metadata.track.no) {
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if (fileName) {
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fileName += '-' + frontFill(metadata.track.no, '0', 2) + ' ';
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} else {
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fileName += frontFill(metadata.track.no, '0', 2) + ' ';
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}
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}
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if (metadata.artist) {
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fileName += metadata.artist[0] + ' - ';
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}
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if (metadata.title) {
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fileName += metadata.title;
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}
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// append extension
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fileName += path.extname(source);
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// join directory and name
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callback(null, path.join(filePath, fileName));
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}
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// fill a string beginning from the front
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function frontFill(string, fill, length) {
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while (string.toString().length < length) {
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string = fill + string;
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}
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return string;
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}
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// list files in directory
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function readDirRecursive(where, extension, callback) {
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if (extension.indexOf('.') !== 0) {
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extension = '.' + extension;
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}
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recursive(where, [ignoreFilter], callback);
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function ignoreFilter(file, stats) {
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return !stats.isDirectory() && extension.indexOf(path.extname(file)) === -1;
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}
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}
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// api
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exports.batchSort = batchSort;
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exports.moveFile = moveFile;
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exports.getPathByMetadata = getPathByMetadata;
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exports.frontFill = frontFill;
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exports.readDirRecursive = readDirRecursive; |