321 lines
9.3 KiB
PHP
321 lines
9.3 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Feed.php 20326 2010-01-16 00:20:43Z padraic $
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*/
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/**
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* @see Zend_Feed_Writer_Extension_RendererAbstract
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*/
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require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
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/**
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* @category Zend
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* @package Zend_Feed_Writer
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Feed_Writer_Extension_ITunes_Renderer_Feed
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extends Zend_Feed_Writer_Extension_RendererAbstract
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{
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/**
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* Set to TRUE if a rendering method actually renders something. This
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* is used to prevent premature appending of a XML namespace declaration
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* until an element which requires it is actually appended.
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*
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* @var bool
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*/
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protected $_called = false;
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/**
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* Render feed
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*
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* @return void
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*/
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public function render()
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{
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$this->_setAuthors($this->_dom, $this->_base);
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$this->_setBlock($this->_dom, $this->_base);
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$this->_setCategories($this->_dom, $this->_base);
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$this->_setImage($this->_dom, $this->_base);
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$this->_setDuration($this->_dom, $this->_base);
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$this->_setExplicit($this->_dom, $this->_base);
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$this->_setKeywords($this->_dom, $this->_base);
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$this->_setNewFeedUrl($this->_dom, $this->_base);
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$this->_setOwners($this->_dom, $this->_base);
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$this->_setSubtitle($this->_dom, $this->_base);
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$this->_setSummary($this->_dom, $this->_base);
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if ($this->_called) {
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$this->_appendNamespaces();
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}
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}
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/**
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* Append feed namespaces
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*
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* @return void
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*/
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protected function _appendNamespaces()
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{
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$this->getRootElement()->setAttribute('xmlns:itunes',
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'http://www.itunes.com/dtds/podcast-1.0.dtd');
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}
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/**
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* Set feed authors
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setAuthors(DOMDocument $dom, DOMElement $root)
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{
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$authors = $this->getDataContainer()->getItunesAuthors();
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if (!$authors || empty($authors)) {
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return;
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}
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foreach ($authors as $author) {
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$el = $dom->createElement('itunes:author');
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$text = $dom->createTextNode($author);
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$el->appendChild($text);
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$root->appendChild($el);
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}
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$this->_called = true;
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}
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/**
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* Set feed itunes block
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setBlock(DOMDocument $dom, DOMElement $root)
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{
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$block = $this->getDataContainer()->getItunesBlock();
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if (is_null($block)) {
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return;
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}
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$el = $dom->createElement('itunes:block');
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$text = $dom->createTextNode($block);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed categories
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setCategories(DOMDocument $dom, DOMElement $root)
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{
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$cats = $this->getDataContainer()->getItunesCategories();
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if (!$cats || empty($cats)) {
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return;
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}
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foreach ($cats as $key=>$cat) {
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if (!is_array($cat)) {
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$el = $dom->createElement('itunes:category');
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$el->setAttribute('text', $cat);
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$root->appendChild($el);
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} else {
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$el = $dom->createElement('itunes:category');
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$el->setAttribute('text', $key);
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$root->appendChild($el);
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foreach ($cat as $subcat) {
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$el2 = $dom->createElement('itunes:category');
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$el2->setAttribute('text', $subcat);
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$el->appendChild($el2);
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}
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}
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}
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$this->_called = true;
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}
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/**
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* Set feed image (icon)
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setImage(DOMDocument $dom, DOMElement $root)
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{
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$image = $this->getDataContainer()->getItunesImage();
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if (!$image) {
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return;
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}
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$el = $dom->createElement('itunes:image');
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$el->setAttribute('href', $image);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed cumulative duration
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDuration(DOMDocument $dom, DOMElement $root)
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{
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$duration = $this->getDataContainer()->getItunesDuration();
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if (!$duration) {
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return;
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}
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$el = $dom->createElement('itunes:duration');
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$text = $dom->createTextNode($duration);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set explicit flag
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setExplicit(DOMDocument $dom, DOMElement $root)
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{
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$explicit = $this->getDataContainer()->getItunesExplicit();
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if (is_null($explicit)) {
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return;
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}
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$el = $dom->createElement('itunes:explicit');
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$text = $dom->createTextNode($explicit);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed keywords
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setKeywords(DOMDocument $dom, DOMElement $root)
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{
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$keywords = $this->getDataContainer()->getItunesKeywords();
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if (!$keywords || empty($keywords)) {
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return;
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}
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$el = $dom->createElement('itunes:keywords');
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$text = $dom->createTextNode(implode(',', $keywords));
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed's new URL
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setNewFeedUrl(DOMDocument $dom, DOMElement $root)
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{
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$url = $this->getDataContainer()->getItunesNewFeedUrl();
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if (!$url) {
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return;
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}
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$el = $dom->createElement('itunes:new-feed-url');
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$text = $dom->createTextNode($url);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed owners
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setOwners(DOMDocument $dom, DOMElement $root)
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{
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$owners = $this->getDataContainer()->getItunesOwners();
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if (!$owners || empty($owners)) {
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return;
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}
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foreach ($owners as $owner) {
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$el = $dom->createElement('itunes:owner');
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$name = $dom->createElement('itunes:name');
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$text = $dom->createTextNode($owner['name']);
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$name->appendChild($text);
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$email = $dom->createElement('itunes:email');
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$text = $dom->createTextNode($owner['email']);
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$email->appendChild($text);
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$root->appendChild($el);
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$el->appendChild($name);
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$el->appendChild($email);
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}
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$this->_called = true;
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}
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/**
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* Set feed subtitle
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setSubtitle(DOMDocument $dom, DOMElement $root)
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{
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$subtitle = $this->getDataContainer()->getItunesSubtitle();
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if (!$subtitle) {
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return;
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}
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$el = $dom->createElement('itunes:subtitle');
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$text = $dom->createTextNode($subtitle);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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/**
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* Set feed summary
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setSummary(DOMDocument $dom, DOMElement $root)
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{
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$summary = $this->getDataContainer()->getItunesSummary();
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if (!$summary) {
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return;
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}
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$el = $dom->createElement('itunes:summary');
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$text = $dom->createTextNode($summary);
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$el->appendChild($text);
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$root->appendChild($el);
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$this->_called = true;
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}
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}
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