gistfile1.php

// Hook into user_has_cap filter. This assumes you have setup resumes to require the capability 'has_active_job_package'
add_filter( 'user_has_cap', 'has_active_job_package_capability_check', 10, 3 );

/**
 * has_active_job_package_capability_check()
 *
 * Filter on the current_user_can() function.
 *
 * @param array $allcaps All the capabilities of the user
 * @param array $cap     [0] Required capability
 * @param array $args    [0] Requested capability
 *                       [1] User ID
 *                       [2] Associated object ID
 */
function has_active_job_package_capability_check( $allcaps, $cap, $args ) {
	// Only interested in has_active_job_package
	if ( empty( $cap[0] ) || $cap[0] !== 'has_active_job_package' || ! function_exists( 'get_user_job_packages' ) ) {
		return $allcaps;
	}

	$user_id  = $args[1];
	$packages = get_user_job_packages( $user_id );

	// Has active package
	if ( is_array( $packages ) && sizeof( $packages ) > 0 ) {
		$allcaps[ $cap[0] ] = true;
	}

	return $allcaps;
}