Лев Салатов

// Store cart weight in the database
add_action('woocommerce_checkout_update_order_meta', 'woo_add_cart_weight');

function woo_add_cart_weight( $order_id ) {
    global $woocommerce;
    
    $weight = $woocommerce->cart->cart_contents_weight;
    update_post_meta( $order_id, '_cart_weight', $weight );
}

// Add order new column in administration
add_filter( 'manage_edit-shop_order_columns', 'woo_order_weight_column', 20 );

function woo_order_weight_column( $columns ) {

  $offset = 8;
  $updated_columns = array_slice( $columns, 0, $offset, true) +
  array( 'total_weight' => esc_html__( 'Weight', 'woocommerce' ) ) +
  array_slice($columns, $offset, NULL, true);

  return $updated_columns;
}

// Populate weight column
add_action( 'manage_shop_order_posts_custom_column', 'woo_custom_order_weight_column', 2 );

function woo_custom_order_weight_column( $column ) {
  global $post;
 
  if ( $column == 'total_weight' ) {
    $weight = get_post_meta( $post->ID, '_cart_weight', true );
    if ( $weight > 0 )
      print $weight . ' ' . esc_attr( get_option('woocommerce_weight_unit' ) );
    else print 'N/A';
  }
}

add_action( 'woocommerce_admin_order_totals_after_total', 'action_function_name_9670' );
function action_function_name_9670( $order_id ){
  global $post;
  $weight = get_post_meta( $post->ID, '_cart_weight', true );
  print $weight . ' ' . esc_attr( get_option('woocommerce_weight_unit' ) );
}

add_action( 'woocommerce_after_add_to_cart_button', 'remove_product' );

function remove_product() {
    global $product;

    $cart_item_key        = WC()->cart->generate_cart_id( $product->get_ID() );
    $in_cart              = WC()->cart->find_product_in_cart( $cart_item_key );
    $cart_item_remove_url = wc_get_cart_remove_url( $cart_item_key );

?>

<div class="col s4">
<a class="addtocart_link"
id ="add_to_cart" 
title="add_to_cart" 
data-product-id="<?php echo $product->get_ID(); ?>"
data-cart-item-key="<?php echo $cart_item_key; ?>">
<span class="action_box fa fa-plus"></span></a>
            </div>
<?php
    if ( $in_cart ) {
        $quantities = WC()->cart->get_cart_item_quantities();
        foreach ( $quantities as $key => $quantity ) {
            if ( $product->get_ID() == $key ) {
                if ( $quantity > 1 ) {
                    ?>
                    <div class="col s4">
                    <a id="remove_one_item" class="remove_from_cart" href="#" 
                    data-product-id="<?php echo $product->get_ID(); ?>"
                    data-in-cart-qty="<?php echo  $quantity; ?>"
                    data-cart-item-key="<?php echo $cart_item_key; ?>"
                    title="remove_from_cart ">
                        <span class=" action_box fa fa-minus "></span></a>
                    </div>
                    <?php
                    return;
                }
            }
        }
        ?>
        <div class="col s4">
        <a class="remove_from_cart" href="<?php echo esc_url( $cart_item_remove_url ); ?>" title="remove_from_cart ">
        <span class=" action_box fa fa-minus "></span></a>

        <?php
    }

}

add_action( 'wp_footer', 'change_qty_script' );

function change_qty_script() {
    ?>
    <script>
    jQuery(document).ready(function ($) {
    $('#remove_one_item').click(function () {

        var current_qty = parseInt($(this).attr('data-in-cart-qty'));
        var id = $(this).attr('data-product-id');
        var cat_item_key = $(this).attr('data-cart-item-key');
        var data = {
            product_id: id,
            quantity: current_qty - 1,
            cat_item_key : cat_item_key
        };
        var url = wc_add_to_cart_params.wc_ajax_url.toString().replace('%%endpoint%%', 'update_qty');
        $.post(url, data, function (response) {
            if (!response) {
                return;
            }
            if (response) {
                location.reload();
            }
        });
    });
    $('#add_to_cart').click(function () {

        var id = $(this).attr('data-product-id');
        var cat_item_key = $(this).attr('data-cart-item-key');
        var data = {
            product_id: id,
            quantity: 1,
        };
        var url = wc_add_to_cart_params.wc_ajax_url.toString().replace('%%endpoint%%', 'add_to_cart');
        $.post(url, data, function (response) {
            if (!response) {
                return;
            }
            if (response) {
                location.reload();
            }
        });
    });

    });
    </script>
    <?php

}

add_action( 'wc_ajax_update_qty', 'update_qty' );

function update_qty() {
    ob_start();
    $product_id   = absint( $_POST['product_id'] );
    $product      = wc_get_product( $product_id );
    $quantity     = $_POST['quantity'];
    $cat_item_key = $_POST['cat_item_key'];

    WC()->cart->set_quantity( $cat_item_key, $quantity, true );

    wp_send_json( 'done' );
}