SiR-DanieL

add_filter( 'woocommerce_add_to_cart_validation', 'wc_limit_one_per_order', 10, 2 );
function wc_limit_one_per_order( $passed_validation, $product_id ) {
	if ( 31 !== $product_id ) {
		return $passed_validation;
	}

	if ( WC()->cart->get_cart_contents_count() >= 1 ) {
		wc_add_notice( __( 'This product cannot be purchased with other products. Please, empty your cart first and then add it again.', 'woocommerce' ), 'error' );
		return false;
	}

SiR-DanieL

/**
 * Register term fields
 */
add_action( 'init', 'register_attributes_url_meta' );
function register_attributes_url_meta() {
        $attributes = wc_get_attribute_taxonomies();

        foreach ( $attributes as $tax ) {
            $name = wc_attribute_taxonomy_name( $tax->attribute_name );

SiR-DanieL

/**
 * Schedule the daily event if necessary.
 */
function schedule_delete_expired_coupons() {
	if ( ! wp_next_scheduled( 'delete_expired_coupons' ) ) {
		wp_schedule_event( time(), 'daily', 'delete_expired_coupons' );
	}
}
add_action( 'init', 'schedule_delete_expired_coupons' );

SiR-DanieL

/**
 * Register term fields
 */
add_action( 'init', 'register_vendor_custom_fields' );
function register_vendor_custom_fields() {
	add_action( WC_PRODUCT_VENDORS_TAXONOMY . '_add_form_fields', 'add_vendor_custom_fields' );
	add_action( WC_PRODUCT_VENDORS_TAXONOMY . '_edit_form_fields', 'edit_vendor_custom_fields', 10 );
	add_action( 'edited_' . WC_PRODUCT_VENDORS_TAXONOMY, 'save_vendor_custom_fields' );
	add_action( 'created_' . WC_PRODUCT_VENDORS_TAXONOMY, 'save_vendor_custom_fields' );
}

SiR-DanieL

add_filter( 'body_class', 'add_preorder_class' );
add_filter( 'post_class', 'add_preorder_class' );
function add_preorder_class( $classes ) {
	global $post;

	$product = wc_get_product( $post->ID );
	if ( $product && 'yes' === get_post_meta( $product->get_id(), '_wc_pre_orders_enabled', true ) ) {
		$classes[] = 'pre-order';
	}

SiR-DanieL

add_filter( 'woocommerce_countries_allowed_countries', 'wc_ban_russia' );
function wc_ban_russia( $countries ) {
	if ( isset( $countries['RU'] ) ) {
		unset( $countries['RU'] );
	}

	return $countries;
}

SiR-DanieL

add_filter( 'woocommerce_get_price_html', 'wc_edit_bookable_remove_from_price', 10, 2 );
function wc_edit_bookable_remove_from_price( $html, $product ) {
	if ( ! $product->is_type( 'booking' ) ) {
		return $html;
	}

	return str_replace( 'From: ', '', $html );
}

SiR-DanieL

/**
 * Plugin Name: Show Short Description on the Shop Page
 * Plugin URI: https://nicolamustone.blog/2016/12/01/show-products-short-description-shop-page/#comment-2119
 * Description: Shows the product's short description on the shop page with WooCommerce.
 * Version: 1.0
 * Author: Nicola Mustone
 * Author URI: https://nicolamustone.blog
 */

add_action( 'woocommerce_after_shop_loop_item', 'woo_show_excerpt_shop_page', 5 );

SiR-DanieL

jQuery(document).ready(function ( $ ) {
	$( 'button.load_customer_billing' ).off( 'click' );
	$( 'button.load_customer_billing' ).on( 'click', function() {
		if ( window.confirm( woocommerce_admin_meta_boxes.load_billing ) ) {

			// Get user ID to load data for
			var user_id = $( '#customer_user' ).val();

			if ( ! user_id ) {
				window.alert( woocommerce_admin_meta_boxes.no_customer_selected );

SiR-DanieL

/**
 * Add the Confirm Email Address field to the Billing chekcout form
 */
add_filter( 'woocommerce_checkout_fields' , 'wc_custom_add_email_confirm_field_checkout' );
function wc_custom_add_email_confirm_field_checkout( $fields ) {
	$fields['billing']['billing_email_confirm'] = array(
		'label'    => __( 'Confirm Email Address', 'domain' ),
		'required' => true,
		'class'    => array( 'form-row-wide' ),
		'priority' => 120,