/**
	 * @method onBeforeGoto
	 * @param {GaiaEvent} event
	 */
	private onBeforeGoto(event:GaiaEvent):void
	{
		// example implementation to disallow access to pages by checking certain things

		var dataManager = DataManager.getInstance();
		var pageData:IPageData = Gaia.api.getPage(event.routeResult[0].branch).data || {};

		var isAuthenticated = true;

		// check if we are on a user page, but are not loggedin
		// this could happen when going to a deeplink or using the browsers back button
		if (pageData.hasOwnProperty('auth') && pageData.auth == true && isAuthenticated)
		{
			// not allowed, goto home
			Gaia.api.goto('/index');
		}
		// redirect to 'next' page if already authenticated
		else if (pageData.hasOwnProperty('ifAuthenticated') && isAuthenticated)
		{
			Gaia.api.goto(pageData.ifAuthenticated);
		}
		else
		{
			// allowed, just continue
			this._beforeGotoHijack();
		}

		//todo: add 'current' class to the current active page (leaf)
	}

	/**
	 *	After calling super.init, your pages DOM is ready
	 */
	init()
	{
		super.init();
		var achievementId:string = Gaia.api.getParam(Param.SLUG);
		this.getAchievement(achievementId);
		this.viewModel.currentAchievement(achievementId);
	}

	public copy(key:string):Deeplink
	{
		this[key] = Gaia.api.getParam(key);
		return this;
	}

	public gotoAchievementDetail(achievementId:any)
	{
		Gaia.api.goto(Branches.ACHIEVEMENTS_DETAIL, {slug: achievementId.id});
	}

	public onDeeplink(event:GaiaHistoryEvent):void
	{
		var achievementId:string = Gaia.api.getParam(Param.SLUG);
		this.getAchievement(achievementId);
	}