WooCommerce price adjustment for WPUF

wpuf-woo-price.php

<?php

/**
 * WooCommerce price adjustment for WPUF
 *
 * @param  int  $post_id
 *
 * @return void
 */
function wpufe_update_post_price( $post_id ) {
    $regular_price = get_post_meta( $post_id, '_regular_price', true );
    $sale_price    = get_post_meta( $post_id, '_sale_price', true );

    if ( ! empty( $sale_price ) ) {
        update_post_meta( $post_id, '_price', $sale_price );
    } else {
        update_post_meta( $post_id, '_price', $regular_price );
    }
}

add_action( 'wpuf_add_post_after_insert', 'wpufe_update_post_price' );
add_action( 'wpuf_edit_post_after_update', 'wpufe_update_post_price' );