<?php

class BlogPost
{
    protected $_id;
    protected $_title;
    protected $_content;
    protected $_author;
    protected $_pubDate;
    protected $_isPublished = false;
    

    public function getId()
    {
        return $this->_id;
    }

    public function setId($id)
    {
        if (is_numeric($id))
            $this->_id = $id;
    }

    public function getTitle()
    {
        return $this->_title;
    }

    public function setTitle($title)
    {
        if (is_string($title) && null == $title[30]) {

            $this->_title = $title;
            return true;
        }

        return false;
    }


    public function getContent()
    {
        return $this->_content;
    }

    public function setContent($content)
    {
        if (is_string($content)) {

            $this->_content = $content;
            return true;
        }
        
        return false;
    }


    public function getAuthor()
    {
        return $this->_author;
    }

    public function setAuthor($author)
    {
        if ($author instanceof  User) {

            $this->_author = $author;
            return true;
        }

        return false;
    }


    public function getPubDate()
    {
        return $this->_pubDate;
    }

    public function setPubDate($date)
    {
       
        if (Fiktiv_Date::isDate($date)) {

            $this->_pubDate = new Fiktiv_Date($date);
            
        } else if ($date instanceof Zend_Date) {

            $this->_pubDate = $date;
            
        } else {

            return false;
        }

        return true;
    }

    public function isPublished($flag = null)
    {
        if (null === $flag) {
            return $this->_isPublished;
        }

        $this->_isPublished = (boolean)$flag;
    }
}