relationLoaded('generation') ? $page->generation : $page->generation()->first(); if (! $generation instanceof LandingPageGeneration || ! $generation->hasAffiliateTracking()) { return $page->renderedDocument(); } $affId = $generation->affiliateId(); $campaignId = $generation->admediaCampaignId(); if ($affId === null || $campaignId === null) { return $page->renderedDocument(); } return $this->wrapProductLinks( $page->renderedDocument(), $affId, $campaignId, CatalogValidClickSubid::fromUtm($utmSource, $utmCampaign), ); } private function wrapProductLinks(string $html, string $affId, string $campaignId, string $subid): string { // Script bodies and SVG names survive this round trip; see HtmlDocument. if (! $document = HtmlDocument::from($html, 'catalog affiliate links')) { return $html; } $dom = $document->dom(); /** @var DOMNodeList $links */ $links = $dom->getElementsByTagName('a'); for ($index = $links->length - 1; $index >= 0; $index--) { $link = $links->item($index); if (! $link instanceof DOMElement || ! CatalogProductLinkMatcher::isProductCta($link)) { continue; } $destination = trim($link->getAttribute('href')); if ($destination === '' || str_contains(strtolower($destination), 'click.validclick.net/')) { continue; } $link->setAttribute( 'href', CatalogValidClickUrl::build($affId, $campaignId, $subid, $destination), ); } return $document->html(); } }