Display vote form in custom component

include_once(rtrim(JPATH_ADMINISTRATOR,DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.'components'.DIRECTORY_SEPARATOR.'com_hikashop'.DIRECTORY_SEPARATOR.'helpers'.DIRECTORY_SEPARATOR.'helper.php');

<form action="<?php echo hikashop_currentURL() ?>" method="post" name="adminForm_hikashop_comment_form" id="hikashop_comment_form">
		<div id="hikashop_vote_listing" data-votetype="product" class="hikashop_product_vote_listing">
<?php
		if($this->params->get('show_vote_product')) {
			//LAYOUT listing of the comments for this product
			$js = '';
			if(isset($this->element->main)) {
				$product_id = $this->element->main->product_id;
			} else {
				$product_id = $this->element->product_id;
			}
			$this->params->set('product_id',$product_id);
			echo hikashop_getLayout('vote', 'listing', $this->params, $js);
?>
		</div>
		<div id="hikashop_vote_form" data-votetype="product" class="hikashop_product_vote_form">
<?php
			//LAYOUT form to send a comment & vote
			$js = '';
			if(isset($this->element->main)) {
				$product_id = $this->element->main->product_id;
			} else {
				$product_id = $this->element->product_id;
			}
			$this->params->set('product_id',$product_id);
			echo hikashop_getLayout('vote', 'form', $this->params, $js);
		}
?>
		</div>
		<input type="hidden" name="add" value="1"/>
		<input type="hidden" name="ctrl" value="product"/>
		<input type="hidden" name="task" value="show"/>
		<input type="hidden" name="return_url" value="<?php echo urlencode(base64_encode(urldecode($this->redirect_url))); ?>"/>
	</form>