code: function getName(fileId, isFile){
      var splitted = fileId.split('/'); // get filename
      var filename = splitted[splitted.length - 1]; // get file name
      if(!isFile) return filename;
      
      filename = filename.split('.');
      if(filename.length === 1) return filename[0]; // file has no extension
      filename.pop(); // remove extension if it has one
      return filename.join('.');
  }
docs: helper - extract name from fileId
  @param {String} fileId
  @param {Boolean} isFile
  @returns {String}  file name