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<?php |
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declare(strict_types=1); |
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namespace Hyde\Framework\Features\Metadata; |
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use Hyde\Facades\Meta; |
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use Hyde\Pages\Concerns\HydePage; |
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use Hyde\Pages\MarkdownPost; |
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use Hyde\Foundation\Kernel\Hyperlinks; |
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use function substr_count; |
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use function str_repeat; |
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class PageMetadataBag extends MetadataBag |
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{ |
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protected HydePage $page; |
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public function __construct(HydePage $page) |
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{ |
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$this->page = $page; |
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$this->generate(); |
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} |
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protected function generate(): void |
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{ |
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$this->addDynamicPageMetadata($this->page); |
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} |
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protected function addDynamicPageMetadata(HydePage $page): void |
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{ |
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if ($page->getCanonicalUrl()) { |
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$this->add(Meta::link('canonical', $page->getCanonicalUrl())); |
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} |
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if ($page->has('description')) { |
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$this->add(Meta::name('description', $page->data('description'))); |
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$this->add(Meta::property('description', $page->data('description'))); |
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} |
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if ($page->has('title')) { |
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$this->add(Meta::name('twitter:title', $page->title())); |
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$this->add(Meta::property('title', $page->title())); |
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} |
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if ($page instanceof MarkdownPost) { |
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$this->addMetadataForMarkdownPost($page); |
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} |
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} |
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protected function addMetadataForMarkdownPost(MarkdownPost $page): void |
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{ |
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$this->addPostMetadataIfExists($page, 'author'); |
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$this->addPostMetadataIfExists($page, 'category', 'keywords'); |
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if ($page->getCanonicalUrl()) { |
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$this->add(Meta::name('url', $page->getCanonicalUrl())); |
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$this->add(Meta::property('url', $page->getCanonicalUrl())); |
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} |
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if ($page->has('date')) { |
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$this->add(Meta::property('og:article:published_time', $page->date->datetime)); |
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} |
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if ($page->has('image')) { |
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$this->add(Meta::property('image', $this->resolveImageLink((string) $page->data('image')))); |
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} |
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$this->add(Meta::property('type', 'article')); |
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} |
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protected function addPostMetadataIfExists(MarkdownPost $page, string $property, ?string $name = null): void |
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{ |
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if ($page->has($property)) { |
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$this->add(Meta::name($name ?? $property, (string) $page->data($property))); |
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} |
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} |
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protected function resolveImageLink(string $image): string |
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{ |
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// Since this is run before the page is rendered, we don't have the currentPage property. |
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// So we need to run some of the same calculations here to resolve the image path link. |
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return Hyperlinks::isRemote($image) ? $image : $this->calculatePathTraversal().$image; |
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} |
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private function calculatePathTraversal(): string |
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{ |
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return str_repeat('../', substr_count(MarkdownPost::outputDirectory().'/'.$this->page->identifier, '/')); |
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} |
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} |
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hydephp /
develop
