text: import Updatable from './updatable'; 
  
  export default class Category extends Updatable {
  	constructor(data){
  		super(); 
  		this.title = data.title; 
  		this.id = data.id || new Date().valueOf(); 
  		this.visible = data.visible || true; 
  		this.filter = data.filter;
  		this.edited = data.edited == undefined ? true: data.edited;
  		this.type = 'category';
  	}
  }