<?php

class User
{
	protected $id;
	protected $name;
	protected $age;
	protected $comments;
	
	public function __construct()
	{
		$this->comments = new ArrayCollection();
	}
	
	public function getRating()
	{
		return 100 * count($this->comments->toArray()) + 5 * $this->age;
	}
	
	public function getId()
	{
		return $this->id;
	}

	public function getName()
	{
		return $this->name;
	}
	
	public function getAge()
	{
		return $this->age;
	}

	public function getComments()
	{
		return $this->comments->toArray();
	}

	public function setName($name)
	{
		$this->name = $name;
	}

	public function setAge($age)
	{
		$this->age = $age;
	}

	public function setComments(array $comments)
	{
		foreach ($comments as $c) {
			$this->comments[] = $c;
		}
	}
}

class UserProxy extends User
{
	private $repository;
	
	public function __construct($id)
	{
		$this->repository = new UserRepository;
		$this->id = $id;
	}
	
	public function getName()
	{
		if ($this->name === null) {
			return $this->repository->findById($this->id)->getName();
		}
		parent::getName();
	}
	
	public function getAge()
	{
		if ($this->age === null) {
			return $this->repository->findById($this->id)->getAge();
		}
		parent::getAge();
	}
	
	public function getComments()
	{
		if ($this->comments === null) {
			return $this->repository->findById($this->id)->getComments();
		}
		parent::getComments();
	}
	
	public function getRating()
	{
		if ($this->raging === null) {
			return $this->repository->findById($this->id)->getRating();
		}
		parent::getComments();
	}
}