jaikoz-rename-folder-compilation.js

/* -*-javascript -*-
 * Rename folder from Metadata (Compilation rename mask)
 */

function ifnotempty(value, sep) {
    return value.length > 0 ? value + sep : '';
}

function ifnotempty2(value1, value2, sep) {
    return value1.length > 0 ? value1 + sep : value2.length > 0 ? value2 + sep : '';
}

year.length > 0 ?               // The Year is provided
    albumartist.length > 0 ?    // The Album Artist is provided
        albumartist + folderseparator +
        albumartist + ' - ' + year + ' - ' + album + folderseparator +
        (disctotal > 1 ? ifnotempty(album, '') + '(Disc ' + discno + ')' + folderseparator : '')
    :                           // The Album Artist is not provided
        album + ' - ' + year + folderseparator +
        (disctotal > 1 ? album + ' (Disc ' + discno + ')' + folderseparator : '')
:                               // The Year is not provided
    albumartist.length > 0 ?    // The Album Artist is provided
        ifnotempty(albumartist, folderseparator) +
            ifnotempty(albumartist, ' - ') + ifnotempty(album, folderseparator) +
            (disctotal > 1 ? album + ' (Disc ' + discno + ')' + folderseparator : '')
    :                           // The Album Artist is not provided
ifnotempty(album, folderseparator) +
            (disctotal > 1 ? album + ' (Disc ' + discno + ')' + folderseparator : '');