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<?php |
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declare(strict_types = 1); |
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namespace PersonalGalaxy\RSS\Parser; |
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use PersonalGalaxy\RSS\Entity\{ |
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Article, |
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Article\Author, |
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Article\Description, |
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Article\Title, |
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}; |
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use Innmind\Url\Url; |
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use Innmind\Crawler\{ |
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Parser, |
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HttpResource\Attribute\Attribute, |
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}; |
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use Innmind\Http\Message\{ |
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Request, |
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Response, |
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}; |
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use Innmind\Xml\{ |
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ReaderInterface, |
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NodeInterface, |
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ElementInterface, |
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}; |
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use Innmind\TimeContinuum\TimeContinuumInterface; |
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use Innmind\Immutable\{ |
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MapInterface, |
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SetInterface, |
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Set, |
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StreamInterface, |
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Stream, |
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}; |
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final class Atom implements Parser |
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{ |
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private $reader; |
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private $clock; |
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public function __construct( |
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ReaderInterface $reader, |
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TimeContinuumInterface $clock |
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) { |
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$this->reader = $reader; |
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$this->clock = $clock; |
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} |
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public function parse( |
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Request $request, |
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Response $response, |
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MapInterface $attributes |
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): MapInterface { |
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if ( |
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!$response->headers()->has('content-type') || |
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(string) $response->headers()->get('content-type')->values()->current() !== 'application/atom' |
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) { |
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return $attributes; |
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} |
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$xml = $this->reader->read($response->body()); |
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$articles = $xml |
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->children() |
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->values() |
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->first() // feed node |
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->children() |
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->values() |
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->filter(static function(NodeInterface $node): bool { |
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return $node instanceof ElementInterface && $node->name() === 'entry'; |
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}) |
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->reduce( |
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Set::of(Article::class), |
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function(SetInterface $articles, ElementInterface $item): SetInterface { |
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$elements = $item |
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->children() |
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->values() |
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->filter(static function(NodeInterface $node): bool { |
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return $node instanceof ElementInterface; |
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}); |
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$link = $elements |
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->filter(static function(ElementInterface $element): bool { |
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return $element->name() === 'link'; |
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}) |
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->first() |
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->attributes() |
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->get('href') |
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->value(); |
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$author = $elements |
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->filter(static function(ElementInterface $element): bool { |
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return $element->name() === 'author'; |
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}) |
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->first() |
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->children() |
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->values() |
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->filter(static function(NodeInterface $node): bool { |
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return $node instanceof ElementInterface && $node->name() === 'name'; |
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}) |
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->first() |
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->content(); |
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$description = $elements |
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->filter(static function(ElementInterface $element): bool { |
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return $element->name() === 'content'; |
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}) |
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->first() |
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->content(); |
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$title = $elements |
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->filter(static function(ElementInterface $element): bool { |
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return $element->name() === 'title'; |
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}) |
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->first() |
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->content(); |
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$publicationDate = $elements |
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->filter(static function(ElementInterface $element): bool { |
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return $element->name() === 'updated'; |
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}) |
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->first() |
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->content(); |
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return $articles->add(Article::fetch( |
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Url::fromString(trim($link)), |
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new Author(trim($author)), |
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new Description(trim($description)), |
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new Title(trim($title)), |
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$this->clock->at(trim($publicationDate)) |
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)); |
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} |
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); |
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return $attributes->put( |
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self::key(), |
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new Attribute( |
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self::key(), |
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$articles |
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) |
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); |
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} |
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public static function key(): string |
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{ |
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return 'articles'; |
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} |
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} |
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PersonalGalaxy /
RSS
