Adaugare produs gratuit la o comanda in Woocommerce

Adaugare produs gratuit la o comanda in Woocommerce. Se introduce codul in functions.php. Codul din articol nu este scris de mine este preluat.

Se mai modifica valoarea minimum_amount daca se vrea o alta valoare minima a comenzii.

Se identifica id-ul produsului gratuit in baza de date si se schimba in variabila free_product_id

add_action( 'woocommerce_before_calculate_totals', 'conditionally_add_free_product' );
function conditionally_add_free_product( $cart ) {
    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return;

    // Settings
    $minimum_amount   = 200;
    $free_product_id  = 4576;

    // Initializing
    $cart_subtotal = 0;
    $cart_items    = $cart->get_cart();

    // Loop through cart items (first loop)
    foreach ( $cart_items as $cart_item_key => $cart_item ){
        // When free productis is cart
        if ( $cart_item['data']->get_id() == $free_product_id ) {
            $free_item_key = $cart_item_key; // Free product found (get its cart item key)

            $cart_item['data']->set_price(0);
        }
        // Get cart subtotal incl. tax and discounts (excluding free product)
        else {
            $cart_subtotal += $cart_item['line_total'] + $cart_item['line_tax'];
        }
    }

    // When cart total is up to the minimum amount, add the free product if not already there
    if ( $cart_subtotal >= $minimum_amount && ! isset($free_item_key) ) {
        $cart_item_key = $cart->add_to_cart( $free_product_id );

        // display notice after removal
        wc_add_notice( __("Thank you! Here's your free product."), 'notice' );
    }
    // if below the minimum, remove the free product
    elseif ( $cart_subtotal < $minimum_amount && isset( $free_item_key ) ) {

        $cart->remove_cart_item( $free_item_key );

        // display notice after removal
        wc_add_notice( sprintf(
           __("Your cart subtotal is less than %s and therefore, the free product was removed."), wc_price($cart_subtotal)
        ), 'notice' );
    }
}