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<?php |
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namespace App\Service; |
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use DOMDocument; |
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use Knp\Bundle\MarkdownBundle\MarkdownParserInterface; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Contracts\Cache\ItemInterface; |
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use Symfony\Contracts\Cache\TagAwareCacheInterface; |
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class MarkdownService |
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{ |
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/** @var TagAwareCacheInterface */ |
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private $cache; |
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/** @var MarkdownParserInterface */ |
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private $markdownParser; |
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/** @var LoggerInterface */ |
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private $logger; |
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public function __construct( |
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TagAwareCacheInterface $cache, |
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MarkdownParserInterface $markdownParserInterface, |
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LoggerInterface $logger |
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) |
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{ |
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$this->cache = $cache; |
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$this->markdownParser = $markdownParserInterface; |
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$this->logger = $logger; |
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} |
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public function markdownToText(?string $markdown): string |
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{ |
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if ($markdown === null || $markdown === '') { |
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return ''; |
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} |
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$key = 'md_' . md5($markdown); |
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return $this->cache->get($key, function(ItemInterface $item) use ($markdown) { |
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$item->tag('markdown_text'); |
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return html_entity_decode(strip_tags($this->markdownParser->transformMarkdown($markdown)), ENT_QUOTES); |
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}); |
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} |
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public function findLinks(?string $markdown): array |
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{ |
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if ($markdown === null || $markdown === '') { |
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return []; |
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} |
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$results = []; |
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$html = $this->markdownParser->transformMarkdown($markdown); |
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$dom = new DOMDocument(); |
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$dom->loadHTML($html); |
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//dd($dom->saveHTML()); |
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$links = $dom->getElementsByTagName('a'); |
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foreach ($links as $link) { |
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$results[] = [ |
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'uri' => $link->getAttribute('href'), |
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'text' => $link->textContent |
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]; |
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} |
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return $results; |
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} |
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} |
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gothick /
omm
