Products

No products have been configured yet
// Create and display the custom field in product general setting tab
add_action( ‘woocommerce_product_options_general_product_data’, ‘add_custom_field_general_product_fields’ );
function add_custom_field_general_product_fields(){
global $post;

echo ‘

‘;

// Custom Product Checkbox Field
woocommerce_wp_checkbox( array(
‘id’ => ‘_disabled_for_coupons’,
‘label’ => __(‘Disabled for coupons’, ‘woocommerce’),
‘description’ => __(‘Disable this products from coupon discounts’, ‘woocommerce’),
‘desc_tip’ => ‘true’,
) );

echo ‘

‘;;
}

// Save the custom field and update all excluded product Ids in option WP settings
add_action( ‘woocommerce_process_product_meta’, ‘save_custom_field_general_product_fields’, 10, 1 );
function save_custom_field_general_product_fields( $post_id ){

$current_disabled = isset( $_POST[‘_disabled_for_coupons’] ) ? ‘yes’ : ‘no’;

$disabled_products = get_option( ‘_products_disabled_for_coupons’ );
if( empty($disabled_products) ) {
if( $current_disabled == ‘yes’ )
$disabled_products = array( $post_id );
} else {
if( $current_disabled == ‘yes’ ) {
$disabled_products[] = $post_id;
$disabled_products = array_unique( $disabled_products );
} else {
if ( ( $key = array_search( $post_id, $disabled_products ) ) !== false )
unset( $disabled_products[$key] );
}
}

update_post_meta( $post_id, ‘_disabled_for_coupons’, $current_disabled );
update_option( ‘_products_disabled_for_coupons’, $disabled_products );
}

// Make coupons invalid at product level
add_filter(‘woocommerce_coupon_is_valid_for_product’, ‘set_coupon_validity_for_excluded_products’, 12, 4);
function set_coupon_validity_for_excluded_products($valid, $product, $coupon, $values ){
if( ! count(get_option( ‘_products_disabled_for_coupons’ )) > 0 ) return $valid;

$disabled_products = get_option( ‘_products_disabled_for_coupons’ );
if( in_array( $product->get_id(), $disabled_products ) )
$valid = false;

return $valid;
}

// Set the product discount amount to zero
add_filter( ‘woocommerce_coupon_get_discount_amount’, ‘zero_discount_for_excluded_products’, 12, 5 );
function zero_discount_for_excluded_products($discount, $discounting_amount, $cart_item, $single, $coupon ){
if( ! count(get_option( ‘_products_disabled_for_coupons’ )) > 0 ) return $discount;

$disabled_products = get_option( ‘_products_disabled_for_coupons’ );
if( in_array( $cart_item[‘product_id’], $disabled_products ) )
$discount = 0;

return $discount;
}