SilverStripe code competition entry

HelloPage.php

<?php
/**
 * Hello Page.
 * Landing page for users when they log in to the website
 * @author jonom
 */
class HelloPage_controller extends Page_controller {

	/**
	 * Restrict access to logged in users at a minimum
	 * @return bool
	 */
	public function canView($member = null) {
		return (!parent::canView($member) || !Member::currentUserID()) ? false : true;
	}

	/**
	 * Provide a personalised welcome message for logged in users
	 * @return string
	 */
	public function WelcomeMessage() {
		$member = Member::currentUser();
		if ($member->isBirthday()) return "Happy Birthday $member->FirstName!";
		else return "Welcome $member->FirstName! Make yourself at home.";
	}
	
	/**
	 * Produce a combined list of public announcements and personal notifications
	 * @return DataList
	 */
	public function Notifications() {
		return Notification::get()->filterAny(array(
			'MemberID' => $this->Member::currentUserID(),
			'Public' => true
		))->exclude('Dismissed', true)->sort('Created DESC');
	}
	
	/**
	 * Display a random special offer to the user
	 * @return SpecialOffer | bool False
	 */
	public function RandomOffer() {
		return SpecialOffer::get()->sort('RAND()')->first();
	}
}