Woocommerce best selling product loop

gistfile1.txt

 <?php
                    $args = array(
                    'post_type' => 'product',
                    'stock' => 1,
                    'posts_per_page' => 4,
                     'meta_key' => 'total_sales',
                     'orderby' => 'meta_value_num',
                    'tax_query' => array( //do not return results from this category
                        array(
                            'taxonomy' => 'product_cat',
                            'field' => 'slug',
                            'terms' => array( 'catalogues' ),
                            'operator' => 'NOT IN'
                        )
                    ),
                    );
                    $loop = new WP_Query( $args );
                    while ( $loop->have_posts() ) : $loop->the_post(); global $product; ?>
                    <div class="recent-product grid-25 tablet-grid-50">
                    <a id="id-<?php the_id(); ?>" href="<?php the_permalink(); ?>" title="<?php the_title(); ?>">
                    <?php if (has_post_thumbnail( $loop->post->ID )) echo get_the_post_thumbnail($loop->post->ID, 'shop_catalog'); else echo '<img src="'.woocommerce_placeholder_img_src().'" alt="My Image Placeholder" width="65px" height="115px" />'; ?>
                    <h3><?php the_title(); ?></h3>
                    <!--<span class="price"><?php echo $product->get_price_html(); ?></span>-->
                    </a>
                    <!--<?php woocommerce_template_loop_add_to_cart( $loop->post, $product ); ?>-->
                    </div><!-- /recent-product -->
                    <?php endwhile; ?>
                    <?php wp_reset_query(); ?>