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<?php declare(strict_types=1); |
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/* |
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* This file is part of the feed-io package. |
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* |
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* (c) Alexandre Debril <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FeedIo\Rule; |
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use FeedIo\Feed\Item; |
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use FeedIo\Feed\Item\MediaInterface; |
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use FeedIo\Feed\ItemInterface; |
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use FeedIo\Feed\NodeInterface; |
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use FeedIo\Parser\UrlGenerator; |
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use FeedIo\RuleAbstract; |
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class Media extends RuleAbstract |
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{ |
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const NODE_NAME = 'enclosure'; |
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const MRSS_NAMESPACE = "http://search.yahoo.com/mrss/"; |
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protected $urlAttributeName = 'url'; |
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/** |
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* @var UrlGenerator |
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*/ |
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protected $urlGenerator; |
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public function __construct(string $nodeName = null) |
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{ |
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$this->urlGenerator = new UrlGenerator(); |
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parent::__construct($nodeName); |
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} |
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/** |
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* @return string |
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*/ |
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public function getUrlAttributeName() : string |
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{ |
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return $this->urlAttributeName; |
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} |
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/** |
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* @param string $name |
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*/ |
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public function setUrlAttributeName(string $name) : void |
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{ |
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$this->urlAttributeName = $name; |
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} |
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/** |
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* @param NodeInterface $node |
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* @param \DOMElement $element |
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*/ |
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public function setProperty(NodeInterface $node, \DOMElement $element) : void |
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{ |
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if ($node instanceof ItemInterface) { |
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$media = $node->newMedia(); |
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$media->setNodeName($element->nodeName); |
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switch ($element->nodeName) { |
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case 'media:group': |
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$this->initMedia($media, $element); |
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$this->setUrl($media, $this->getChildAttributeValue($element, 'content', 'url', static::MRSS_NAMESPACE), $node); |
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break; |
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case 'media:content': |
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$this->initMedia($media, $element); |
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$this->setUrl($media, $this->getAttributeValue($element, "url"), $node); |
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break; |
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default: |
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$media |
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->setType($this->getAttributeValue($element, 'type')) |
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->setLength($this->getAttributeValue($element, 'length')); |
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$this->setUrl($media, $this->getAttributeValue($element, $this->getUrlAttributeName()), $node); |
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break; |
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} |
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$node->addMedia($media); |
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} |
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} |
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/** |
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* @param MediaInterface $media |
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* @param string $url |
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* @param NodeInterface $node |
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*/ |
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protected function setUrl(MediaInterface $media, string $url, NodeInterface $node): void |
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{ |
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$media->setUrl($this->urlGenerator->getAbsolutePath($url, $node->getHost())); |
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} |
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/** |
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* @param \DomDocument $document |
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* @param MediaInterface $media |
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* @return \DomElement |
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*/ |
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public function createMediaElement(\DomDocument $document, MediaInterface $media) : \DOMElement |
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{ |
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$element = $document->createElement($this->getNodeName()); |
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$element->setAttribute($this->getUrlAttributeName(), $media->getUrl()); |
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$element->setAttribute('type', $media->getType() ?? ''); |
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$element->setAttribute('length', $media->getLength() ?? ''); |
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return $element; |
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} |
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/** |
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* @param \MediaInterface $media |
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* @param \DomElement $element |
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*/ |
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protected function initMedia(MediaInterface $media, \DOMElement $element): void |
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{ |
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$media->setTitle($this->getChildValue($element, 'title', static::MRSS_NAMESPACE)); |
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$media->setDescription($this->getChildValue($element, 'description', static::MRSS_NAMESPACE)); |
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$media->setThumbnail($this->getChildAttributeValue($element, 'thumbnail', 'url', static::MRSS_NAMESPACE)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function hasValue(NodeInterface $node) : bool |
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{ |
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return $node instanceof ItemInterface && !! $node->getMedias(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function addElement(\DomDocument $document, \DOMElement $rootElement, NodeInterface $node) : void |
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{ |
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foreach ($node->getMedias() as $media) { |
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$rootElement->appendChild($this->createMediaElement($document, $media)); |
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} |
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} |
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} |
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alexdebril /
feed-io
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: