Hide make enquiry for unavailable properties

gistfile1.txt

add_action('wp', 'hide_enquiry_for_unavailable');
function hide_enquiry_for_unavailable()
{
	if (!is_singular('property'))
	{
		return;
	}
	
	global $post;
	$property = new PH_Property($post->ID);
	if ( $property->availability != 'For Sale' && $property->availability != 'To Let' )
	{
		remove_action( 'propertyhive_property_actions_list_start', 'propertyhive_make_enquiry_button', 10 );
		add_action( 'propertyhive_property_actions_list_start', 'add_join_mailing_list_action', 10 );
		
	}
}

function add_join_mailing_list_action()
{
	global $property;
?>
	<li><a data-fancybox data-src="#makeEnquiry<?php echo (int)$property->id; ?>" href="javascript:;"><?php echo esc_html(__( 'Join Mailing List', 'propertyhive' )); ?></a></li>

    <!-- LIGHTBOX FORM -->
    <div id="makeEnquiry<?php echo (int)$property->id; ?>" style="display:none;">
        
        <h2><?php echo esc_html(__( 'Join Mailing List', 'propertyhive' )); ?></h2>
        
        <p><?php echo esc_html(__( 'This property is no longer available. Join our mailing list below to keep up to date with similar properties that become available.', 'propertyhive' )); ?></p>
        
        <?php echo do_shortcode('[your_shortcode_here]'); ?>
        
    </div>
    <!-- END LIGHTBOX FORM -->
<?php
}