Added support for "Tumblr Neue Post Format"
This commit is contained in:
parent
08d1e484e3
commit
aca4b2eaae
465
src/Content/Text/NPF.php
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465
src/Content/Text/NPF.php
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<?php
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/**
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* @copyright Copyright (C) 2010-2023, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Content\Text;
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use DOMDocument;
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use DOMElement;
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use DOMNode;
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use Friendica\Model\Photo;
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use Friendica\Model\Post;
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/**
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* Tumblr Neue Post Format
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* @see https://www.tumblr.com/docs/npf
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*/
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class NPF
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{
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static public function fromBBCode(string $bbcode, int $uri_id): array
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{
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$npf = [];
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$bbcode = self::prepareBody($bbcode);
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$html = BBCode::convert($bbcode, false, BBCode::CONNECTORS);
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if (empty($html)) {
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return [];
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}
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$doc = new DOMDocument();
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if (!@$doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'))) {
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return [];
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}
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$node = $doc->getElementsByTagName('body')->item(0);
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foreach ($node->childNodes as $child) {
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$npf = self::routeElements($child, $uri_id, $npf);
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}
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return self::addLinkBlock($uri_id, $npf);
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}
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public static function prepareBody(string $body): string
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{
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$shared = BBCode::fetchShareAttributes($body);
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if (!empty($shared)) {
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$body = $shared['shared'];
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}
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$body = BBCode::removeAttachment($body);
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$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
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if (preg_match_all("#\[url=([^\]]+?)\]\s*\[img=([^\[\]]*)\]([^\[\]]*)\[\/img\]\s*\[/url\]#ism", $body, $pictures, PREG_SET_ORDER)) {
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foreach ($pictures as $picture) {
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if (preg_match('#/photo/.*-[01]\.#ism', $picture[2]) && (preg_match('#/photo/.*-0\.#ism', $picture[1]) || preg_match('#/photos/.*/image/#ism', $picture[1]))) {
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$body = str_replace($picture[0], "\n\n[img=" . str_replace('-1.', '-0.', $picture[2]) . "]" . $picture[3] . "[/img]\n\n", $body);
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}
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}
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}
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$body = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", "\n\n[img=$1]$2[/img]\n\n", $body);
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if (preg_match_all("#\[url=([^\]]+?)\]\s*\[img\]([^\[]+?)\[/img\]\s*\[/url\]#ism", $body, $pictures, PREG_SET_ORDER)) {
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foreach ($pictures as $picture) {
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if (preg_match('#/photo/.*-[01]\.#ism', $picture[2]) && (preg_match('#/photo/.*-0\.#ism', $picture[1]) || preg_match('#/photos/.*/image/#ism', $picture[1]))) {
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$body = str_replace($picture[0], "\n\n[img]" . str_replace('-1.', '-0.', $picture[2]) . "[/img]\n\n", $body);
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}
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}
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}
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$body = preg_replace("/\[img\](.*?)\[\/img\]/ism", "\n\n[img]$1[/img]\n\n", $body);
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$body = preg_replace("/\[audio\](.*?)\[\/audio\]/ism", "\n\n[audio]$1[/audio]\n\n", $body);
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$body = preg_replace("/\[video\](.*?)\[\/video\]/ism", "\n\n[video]$1[/video]\n\n", $body);
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do {
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$oldbody = $body;
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$body = str_replace(["\n\n\n"], ["\n\n"], $body);
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} while ($oldbody != $body);
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return trim($body);
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}
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static private function routeElements(DOMElement|DOMNode $child, int $uri_id, array $npf): array
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{
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switch ($child->tagName ?? '') {
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case 'blockquote':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'indented');
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break;
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case 'h1':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading1');
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break;
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case 'h2':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading1');
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break;
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case 'h3':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading1');
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break;
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case 'h4':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading2');
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break;
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case 'h5':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading2');
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break;
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case 'h6':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'heading2');
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break;
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case 'ul':
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$npf = self::addListBlock($child, $uri_id, $npf, false, 0);
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break;
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case 'ol':
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$npf = self::addListBlock($child, $uri_id, $npf, true, 0);
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break;
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case 'hr':
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case 'br':
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break;
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case 'pre':
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case 'code':
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$npf = self::addTextBlock($child, $uri_id, $npf, 'indented');
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break;
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case 'a':
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$npf = self::addMediaBlock($child, $uri_id, $npf);
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break;
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case 'table':
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// $child->ownerDocument->saveHTML($child)
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break;
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case 'img':
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$npf = self::addImageBlock($child, $uri_id, $npf);
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break;
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default:
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$npf = self::addTextBlock($child, $uri_id, $npf);
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break;
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}
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return $npf;
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}
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static private function addImageBlock(DOMElement|DOMNode $child, int $uri_id, array $npf): array
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{
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$attributes = [];
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foreach ($child->attributes as $key => $attribute) {
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$attributes[$key] = $attribute->value;
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}
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if (empty($attributes['src'])) {
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return $npf;
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}
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$entry = [
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'type' => 'image',
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'media' => [],
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];
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if (!empty($attributes['alt'])) {
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$entry['alt_text'] = $attributes['alt'];
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}
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if (!empty($attributes['title']) && ($attributes['alt'] ?? '' != $attributes['title'])) {
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$entry['caption'] = $attributes['title'];
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}
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$rid = Photo::ridFromURI($attributes['src']);
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if (!empty($rid)) {
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$photos = Photo::selectToArray([], ['resource-id' => $rid]);
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foreach ($photos as $photo) {
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$entry['media'][] = [
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'type' => $photo['type'],
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'url' => str_replace('-0.', '-' . $photo['scale'] . '.', $attributes['src']),
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'width' => $photo['width'],
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'height' => $photo['height'],
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];
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}
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if (empty($attributes['alt']) && !empty($photos[0]['desc'])) {
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$entry['alt_text'] = $photos[0]['desc'];
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}
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} elseif ($media = Post\Media::getByURL($uri_id, $attributes['src'], [Post\Media::IMAGE])) {
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$entry['media'][] = [
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'type' => $media['mimetype'],
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'url' => $media['url'],
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'width' => $media['width'],
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'height' => $media['height'],
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];
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if (empty($attributes['alt']) && !empty($media['description'])) {
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$entry['alt_text'] = $media['description'];
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}
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} else {
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$entry['media'][] = ['url' => $attributes['src']];
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}
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$npf[] = $entry;
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return $npf;
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}
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static private function addMediaBlock(DOMElement|DOMNode $child, int $uri_id, array $npf): array
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{
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$attributes = [];
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foreach ($child->attributes as $key => $attribute) {
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$attributes[$key] = $attribute->value;
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}
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if (empty($attributes['href'])) {
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return $npf;
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}
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$media = Post\Media::getByURL($uri_id, $attributes['href'], [Post\Media::AUDIO, Post\Media::VIDEO]);
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if (!empty($media)) {
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switch ($media['type']) {
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case Post\Media::AUDIO:
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$entry = [
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'type' => 'audio',
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'media' => [
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'type' => $media['mimetype'],
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'url' => $media['url'],
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]
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];
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if (!empty($media['name'])) {
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$entry['title'] = $media['name'];
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} elseif (!empty($media['description'])) {
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$entry['title'] = $media['description'];
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}
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$npf[] = self::addPoster($media, $entry);
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break;
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case Post\Media::VIDEO:
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$entry = [
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'type' => 'video',
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'media' => [
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'type' => $media['mimetype'],
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'url' => $media['url'],
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]
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];
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$npf[] = self::addPoster($media, $entry);
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break;
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}
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} else {
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$npf[] = [
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'type' => 'text',
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'text' => $child->textContent,
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'formatting' => [
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'start' => 0,
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'end' => strlen($child->textContent),
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'type' => 'link',
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'url' => $attributes['href']
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]
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];
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}
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return $npf;
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}
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static private function addPoster(array $media, array $entry): array
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{
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$poster = [];
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if (!empty($media['preview'])) {
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$poster['url'] = $media['preview'];
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}
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if (!empty($media['preview-width'])) {
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$poster['width'] = $media['preview-width'];
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}
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if (!empty($media['preview-height'])) {
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$poster['height'] = $media['preview-height'];
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}
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if (!empty($poster)) {
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$entry['poster'] = $poster;
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}
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return $entry;
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}
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static private function fetchText(DOMElement|DOMNode $child, array $text = ['text' => '', 'formatting' => []]): array
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{
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foreach ($child->childNodes as $node) {
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$start = strlen($text['text']);
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switch ($node->nodeName) {
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case 'b':
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case 'strong':
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$type = 'bold';
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break;
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case 'i':
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case 'em':
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$type = 'italic';
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break;
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case 's':
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$type = 'strikethrough';
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break;
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default:
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$type = '';
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break;
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}
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if ($node->nodeName == 'br') {
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$text['text'] .= "\n";
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} else {
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$text['text'] .= $node->textContent;
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}
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if (!empty($type)) {
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$text['formatting'][] = ['start' => $start, 'end' => strlen($text['text']), 'type' => $type];
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}
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}
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return $text;
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}
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static private function addTextBlock(DOMElement|DOMNode $child, int $uri_id, array $npf, string $subtype = ''): array
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{
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if (empty($subtype) && (($child->childElementCount) ?? 0 == 1) && ($child->textContent == $child->firstChild->textContent)) {
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return self::routeElements($child->firstChild, $uri_id, $npf);
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}
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$element = ['type' => 'text'];
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if (!empty($subtype)) {
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$element['subtype'] = $subtype;
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}
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$text = self::fetchText($child);
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$element['text'] = $text['text'];
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$element['formatting'] = $text['formatting'];
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if (empty($subtype)) {
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switch ($child->tagName ?? '') {
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case 'b':
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case 'strong':
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$element['formatting'][] = ['start' => 0, 'end' => strlen($element['text']), 'type' => 'bold'];
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break;
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case 'i':
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case 'em':
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$element['formatting'][] = ['start' => 0, 'end' => strlen($element['text']), 'type' => 'italic'];
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break;
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case 's':
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$element['formatting'][] = ['start' => 0, 'end' => strlen($element['text']), 'type' => 'strikethrough'];
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break;
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case 'span':
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case 'p':
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case 'div':
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case 'details';
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case '':
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break;
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default:
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print_r($element);
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die($child->tagName . "\n");
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break;
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}
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}
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if (empty($element['formatting'])) {
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unset($element['formatting']);
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}
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$npf[] = $element;
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return $npf;
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}
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static private function addListBlock(DOMElement|DOMNode $child, int $uri_id, array $npf, bool $ordered, int $level): array
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{
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foreach ($child->childNodes as $node) {
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switch ($node->nodeName) {
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case 'ul':
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$npf = self::addListBlock($node, $uri_id, $npf, false, $level++);
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case 'ol':
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$npf = self::addListBlock($node, $uri_id, $npf, true, $level++);
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case 'li':
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$text = self::fetchText($node);
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$entry = [
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'type' => 'text',
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'subtype' => $ordered ? 'ordered-list-item' : 'unordered-list-item',
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'text' => $text['text']
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];
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if ($level > 0) {
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$entry['indent_level'] = $level;
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}
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if (!empty($text['formatting'])) {
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$entry['formatting'] = $text['formatting'];
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}
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$npf[] = $entry;
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}
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}
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return $npf;
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}
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static private function addLinkBlock(int $uri_id, array $npf): array
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{
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foreach (Post\Media::getByURIId($uri_id, [Post\Media::HTML]) as $link) {
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$host = parse_url($link['url'], PHP_URL_HOST);
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if (in_array($host, ['www.youtube.com', 'youtu.be'])) {
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$entry = [
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'type' => 'video',
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'provider' => 'youtube',
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'url' => $link['url'],
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];
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} elseif (in_array($host, ['vimeo.com'])) {
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$entry = [
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'type' => 'video',
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'provider' => 'vimeo',
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'url' => $link['url'],
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];
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} elseif (in_array($host, ['open.spotify.com'])) {
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$entry = [
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'type' => 'audio',
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'provider' => 'spotify',
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'url' => $link['url'],
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];
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} else {
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$entry = [
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'type' => 'link',
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'url' => $link['url'],
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];
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if (!empty($link['name'])) {
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$entry['title'] = $link['name'];
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}
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if (!empty($link['description'])) {
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$entry['description'] = $link['description'];
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}
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if (!empty($link['author-name'])) {
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$entry['author'] = $link['author-name'];
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}
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if (!empty($link['publisher-name'])) {
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$entry['site_name'] = $link['publisher-name'];
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}
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}
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$npf[] = self::addPoster($link, $entry);
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}
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return $npf;
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}
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}
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@ -757,6 +757,17 @@ class Media
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return DBA::selectToArray('post-media', [], $condition, ['order' => ['id']]);
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}
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public static function getByURL(int $uri_id, string $url, array $types = [])
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{
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$condition = ["`uri-id` = ? AND `url` = ? AND `type` != ?", $uri_id, $url, self::UNKNOWN];
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if (!empty($types)) {
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$condition = DBA::mergeConditions($condition, ['type' => $types]);
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}
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return DBA::selectFirst('post-media', [], $condition);
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}
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/**
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* Retrieves the media attachment with the provided media id.
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*
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