src/helpers/Track.js

'use strict';

import TrackEntity from '../entities/TrackEntity';
import TrackHandler from '../handlers/TrackHandler';
import Factory from '../Factory';

/**
 * Add helpers methods to TrackEntity
 */
class Track extends TrackEntity {

    /**
     * @param {Object} data Track object
     */
    constructor(data) {
        super(data);
    }

    /**
     * Get a list of Tracks of an Artist.
     * 
     * @public 
     * @return {Promise}
     */
    get artists() {
        return Factory(this._artists);
    }

    /**
     * Convert duration from ms to m
     *
     * @public 
     * @return {String} mm:ss
     */
    get durationM() {
        let x = ~~( Number( this._duration_ms ) / 1000 );
        let seconds = x % 60;
        seconds = `${ seconds }`.length == 1? `0${ seconds }`: seconds;
        x = ~~( x / 60 );
        let minutes = x % 60;
        return `${ minutes }:${ seconds }`;
    }

}

/**
 * Exports the Track class.
 */
export default Track;