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<?php
namespace PicoFeed\Syndication;
use DateTime;
use DOMDocument;
/**
* Class FeedBuilder
*
* @package PicoFeed\Syndication
* @author Frederic Guillot
*/
abstract class FeedBuilder
{
/**
* @var DOMDocument
*/
protected $document;
/**
* @var string
*/
protected $feedTitle;
/**
* @var string
*/
protected $feedUrl;
/**
* @var string
*/
protected $siteUrl;
/**
* @var string
*/
protected $authorName;
/**
* @var string
*/
protected $authorEmail;
/**
* @var string
*/
protected $authorUrl;
/**
* @var DateTime
*/
protected $feedDate;
/**
* @var ItemBuilder[]
*/
protected $items = array();
/**
* Constructor
*
* @access public
*/
public function __construct()
{
$this->document = new DomDocument('1.0', 'UTF-8');
$this->document->formatOutput = true;
}
/**
* Get new object instance
*
* @access public
* @return static
*/
public static function create()
{
return new static();
}
/**
* Add feed title
*
* @access public
* @param string $title
* @return $this
*/
public function withTitle($title)
{
$this->feedTitle = $title;
return $this;
}
/**
* Add feed url
*
* @access public
* @param string $url
* @return $this
*/
public function withFeedUrl($url)
{
$this->feedUrl = $url;
return $this;
}
/**
* Add website url
*
* @access public
* @param string $url
* @return $this
*/
public function withSiteUrl($url)
{
$this->siteUrl = $url;
return $this;
}
/**
* Add feed date
*
* @access public
* @param DateTime $date
* @return $this
*/
public function withDate(DateTime $date)
{
$this->feedDate = $date;
return $this;
}
/**
* Add feed author
*
* @access public
* @param string $name
* @param string $email
* @param string $url
* @return $this
*/
public function withAuthor($name, $email = '', $url ='')
{
$this->authorName = $name;
$this->authorEmail = $email;
$this->authorUrl = $url;
return $this;
}
/**
* Add feed item
*
* @access public
* @param ItemBuilder $item
* @return $this
*/
public function withItem(ItemBuilder $item)
{
$this->items[] = $item;
return $this;
}
/**
* Get DOM document
*
* @access public
* @return DOMDocument
*/
public function getDocument()
{
return $this->document;
}
/**
* Build feed
*
* @abstract
* @access public
* @param string $filename
* @return string
*/
abstract public function build($filename = '');
}
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