<?php

/**
 * Class Article
 * @author Simon Vieille <simon@deblan.fr>
 */
class Article
{
    /**
     * @var integer
     */
    protected $id;

    /**
     * @var integer
     */
    protected $title;
    
    /**
     * @var integer
     */
    protected $content;

    /**
     * @var array $votes;
     */
    protected $votes = [];


    /**
     * @param int $id
     * @return Article
     */
    public function setId($id)
    {
        $this->id = (int) $id;

        return $this;
    }

    /**
     * @return int $id
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * @param string $title
     * @return Article
     */
    public function setTitle($title)
    {
        $this->title = (string) $title;

        return $this;
    }

    /**
     * @return string $title
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * @param string $content
     * @return Article
     */
    public function setContent($content)
    {
        $this->content = (string) $content;

        return $this;
    }

    /**
     * @return string $content
     */
    public function getContent()
    {
        return $this->content;
    }


    /**
     * @param Vote $vote
     * @return Article
     */
    public function addVote(Vote $vote)
    {
        $this->votes[] = $vote;

        return $this;
    }

    /**
     * @param array $votes
     * @return Article
     */
    public function setVotes(array $votes)
    {
        foreach ($votes as $vote) {
            $vote->setArticle($this); 
        }

        $this->votes = $votes;

        return $this;
    }

    /**
     * @return array $votes
     */
    public function getVotes()
    {
        if (empty($this->votes)) {
            $this->votes = VoteDao::create()->findByArticle($this);
        }

        return $this->votes;
    }
}