<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Feed_Writer
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see Zend_Feed_Writer_Extension_RendererAbstract
*/
require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
/**
* @category Zend
* @package Zend_Feed_Writer
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Writer_Extension_ITunes_Renderer_Feed
extends Zend_Feed_Writer_Extension_RendererAbstract
{
/**
* Set to TRUE if a rendering method actually renders something. This
* is used to prevent premature appending of a XML namespace declaration
* until an element which requires it is actually appended.
*
* @var bool
*/
protected $_called = false;
/**
* Render feed
*
* @return void
*/
public function render()
{
$this->_setAuthors($this->_dom, $this->_base);
$this->_setBlock($this->_dom, $this->_base);
$this->_setCategories($this->_dom, $this->_base);
$this->_setImage($this->_dom, $this->_base);
$this->_setDuration($this->_dom, $this->_base);
$this->_setExplicit($this->_dom, $this->_base);
$this->_setKeywords($this->_dom, $this->_base);
$this->_setNewFeedUrl($this->_dom, $this->_base);
$this->_setOwners($this->_dom, $this->_base);
$this->_setSubtitle($this->_dom, $this->_base);
$this->_setSummary($this->_dom, $this->_base);
if ($this->_called) {
$this->_appendNamespaces();
}
}
/**
* Append feed namespaces
*
* @return void
*/
protected function _appendNamespaces()
{
$this->getRootElement()->setAttribute('xmlns:itunes',
'http://www.itunes.com/dtds/podcast-1.0.dtd');
}
/**
* Set feed authors
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setAuthors(DOMDocument $dom, DOMElement $root)
{
$authors = $this->getDataContainer()->getItunesAuthors();
if (!$authors || empty($authors)) {
return;
}
foreach ($authors as $author) {
$el = $dom->createElement('itunes:author');
$text = $dom->createTextNode($author);
$el->appendChild($text);
$root->appendChild($el);
}
$this->_called = true;
}
/**
* Set feed itunes block
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setBlock(DOMDocument $dom, DOMElement $root)
{
$block = $this->getDataContainer()->getItunesBlock();
if ($block === null) {
return;
}
$el = $dom->createElement('itunes:block');
$text = $dom->createTextNode($block);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed categories
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setCategories(DOMDocument $dom, DOMElement $root)
{
$cats = $this->getDataContainer()->getItunesCategories();
if (!$cats || empty($cats)) {
return;
}
foreach ($cats as $key=>$cat) {
if (!is_array($cat)) {
$el = $dom->createElement('itunes:category');
$el->setAttribute('text', $cat);
$root->appendChild($el);
} else {
$el = $dom->createElement('itunes:category');
$el->setAttribute('text', $key);
$root->appendChild($el);
foreach ($cat as $subcat) {
$el2 = $dom->createElement('itunes:category');
$el2->setAttribute('text', $subcat);
$el->appendChild($el2);
}
}
}
$this->_called = true;
}
/**
* Set feed image (icon)
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setImage(DOMDocument $dom, DOMElement $root)
{
$image = $this->getDataContainer()->getItunesImage();
if (!$image) {
return;
}
$el = $dom->createElement('itunes:image');
$el->setAttribute('href', $image);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed cumulative duration
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setDuration(DOMDocument $dom, DOMElement $root)
{
$duration = $this->getDataContainer()->getItunesDuration();
if (!$duration) {
return;
}
$el = $dom->createElement('itunes:duration');
$text = $dom->createTextNode($duration);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set explicit flag
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setExplicit(DOMDocument $dom, DOMElement $root)
{
$explicit = $this->getDataContainer()->getItunesExplicit();
if ($explicit === null) {
return;
}
$el = $dom->createElement('itunes:explicit');
$text = $dom->createTextNode($explicit);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed keywords
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setKeywords(DOMDocument $dom, DOMElement $root)
{
$keywords = $this->getDataContainer()->getItunesKeywords();
if (!$keywords || empty($keywords)) {
return;
}
$el = $dom->createElement('itunes:keywords');
$text = $dom->createTextNode(implode(',', $keywords));
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed's new URL
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setNewFeedUrl(DOMDocument $dom, DOMElement $root)
{
$url = $this->getDataContainer()->getItunesNewFeedUrl();
if (!$url) {
return;
}
$el = $dom->createElement('itunes:new-feed-url');
$text = $dom->createTextNode($url);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed owners
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setOwners(DOMDocument $dom, DOMElement $root)
{
$owners = $this->getDataContainer()->getItunesOwners();
if (!$owners || empty($owners)) {
return;
}
foreach ($owners as $owner) {
$el = $dom->createElement('itunes:owner');
$name = $dom->createElement('itunes:name');
$text = $dom->createTextNode($owner['name']);
$name->appendChild($text);
$email = $dom->createElement('itunes:email');
$text = $dom->createTextNode($owner['email']);
$email->appendChild($text);
$root->appendChild($el);
$el->appendChild($name);
$el->appendChild($email);
}
$this->_called = true;
}
/**
* Set feed subtitle
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setSubtitle(DOMDocument $dom, DOMElement $root)
{
$subtitle = $this->getDataContainer()->getItunesSubtitle();
if (!$subtitle) {
return;
}
$el = $dom->createElement('itunes:subtitle');
$text = $dom->createTextNode($subtitle);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
/**
* Set feed summary
*
* @param DOMDocument $dom
* @param DOMElement $root
* @return void
*/
protected function _setSummary(DOMDocument $dom, DOMElement $root)
{
$summary = $this->getDataContainer()->getItunesSummary();
if (!$summary) {
return;
}
$el = $dom->createElement('itunes:summary');
$text = $dom->createTextNode($summary);
$el->appendChild($text);
$root->appendChild($el);
$this->_called = true;
}
}