Ajax file custom field display

<audio controls>
  <source src="images/audiosample/{value}" type="audio/mpeg" />
  Your browser does not support the audio tag.
</audio>

<?php echo $this->row->mediafield; ?>

<?php
$fieldClass = hikashop_get('class.field');
$field = $fieldClass->getField('audiotest', 'product');
echo $fieldClass->show($field,$this->element->audiotest) ;
?>

<div class="media-preview"><p>Audio preview</p><audio controls>
  <source src="images/audiosample/{value}" type="audio/mpeg" />
  Your browser does not support the audio tag.
</audio></div>

<div id="hikashop_product_files_main" class="hikashop_product_files_main">
<?php
if(!empty($this->element->files)) {
	$user = JFactory::getUser();
	$files = array();
	foreach($this->element->files as $file) {
		if(empty($file->download_link))
			continue;
		if(empty($file->file_name))
			$file->file_name = $file->file_path;
		$attributes = '';
		if(!empty($this->element->product_canonical) && strpos(hikashop_currentURL(),$this->element->product_canonical) && !empty($user->guest)) {
			$attributes .= ' rel="nofollow"';
		}
		$files[] = '<a'.$attributes.' class="hikashop_product_file_link d-none" href="' .  $file->download_link . '">' . $file->file_name . '</a><br/><audio controls><source src="' .  $file->download_link . '" type="audio/mpeg">Vaš brskalnik ne podpira predvajanja zvočnih datotek.</audio><br/><a href="' . $file->download_link . '" class="file-download-link" download>Prenesi datoteko</a>';
	}

	if(count($files)) {
?>
	<fieldset class="hikashop_product_files_fieldset">
		<legend><?php echo JText::_('DOWNLOADS'); ?></legend>
		<?php echo implode('<br/>', $files); ?>
	</fieldset>
<?php
	}
}
?>
</div>