getKey();
$isImage = $this->isImage($media);
if ($format === 'html') {
return '[media='.$id.']';
}
$label = $this->escapeMdLabel($this->label($media, $isImage));
return $isImage
? ''
: '['.$label.']('.self::PROTOCOL.$id.')';
}
public function expandMarkdown(string $markdown): string
{
return preg_replace_callback(
'/\]\(media:(\d+)\)/i',
function (array $matches): string {
$url = $this->publicUrl((int) $matches[1]);
return $url !== null ? ']('.$url.')' : $matches[0];
},
$markdown
) ?? $markdown;
}
public function hydrateHtml(string $html): string
{
$html = preg_replace_callback(
'/\b(src|href)=([\'"])media:(\d+)\2/i',
function (array $matches): string {
$url = $this->publicUrl((int) $matches[3]);
if ($url === null) {
return $matches[0];
}
return $matches[1].'='.$matches[2].$url.$matches[2];
},
$html
) ?? $html;
return preg_replace_callback(
'/\[media=(\d+)\]/i',
function (array $matches): string {
$id = (int) $matches[1];
$media = $this->find($id);
$url = $this->publicUrl($id);
if ($url === null) {
return '';
}
if ($media && $this->isImage($media)) {
return sprintf(
'
',
e($url),
e($this->label($media, true))
);
}
$label = $media ? $this->label($media, false) : 'file-'.$id;
return sprintf('%s', e($url), e($label));
},
$html
) ?? $html;
}
public function find(int $id): ?MediaLibrary
{
try {
return MediaLibrary::query()->find($id);
} catch (\Throwable) {
return null;
}
}
public function publicUrl(int $id): ?string
{
$media = $this->find($id);
$url = $media?->url;
return filled($url) ? (string) $url : null;
}
public function isImage(MediaLibrary $media): bool
{
if ($media->type === MediaLibrary::TYPE_IMAGE) {
return true;
}
return is_string($media->mime_type) && str_starts_with($media->mime_type, 'image/');
}
protected function label(MediaLibrary $media, bool $isImage): string
{
if (filled($media->alt_text)) {
return (string) $media->alt_text;
}
$name = (string) ($media->original_name ?: basename((string) $media->path) ?: 'media-'.$media->getKey());
return $isImage ? (pathinfo($name, PATHINFO_FILENAME) ?: $name) : $name;
}
protected function escapeMdLabel(string $label): string
{
return str_replace(['[', ']', '!'], ['\\[', '\\]', '\\!'], $label);
}
}