leaky-paywall-custom-field-display.php

<?php

$visibility = get_post_meta(get_the_ID(), '_issuem_leaky_paywall_visibility', true );
	$current_user_level_id = leaky_paywall_subscriber_current_level_id();

	if ( isset($visibility['visibility_type'] ) && $visibility['visibility_type'] == 'always' && $visibility['always_visible'][0] == -1 ) {
		$show_to_everyone = true;
	} else {
		$show_to_everyone = false;
	}

	if ( $show_to_everyone ) {
		echo '<a href="' . get_field( 'download_file' ) . '">Download</a>';
	} else if ($current_user_level_id != 0 && leaky_paywall_user_has_access() ) {
		echo '<a href="' . get_field('download_file') . '">Download</a>';
	} else {
		echo '<p>You do not have access to download this file.</p>';
	}