popular product wordpress

functions.php

<?php
function get_most_popular_products($atts = array())
{
 extract($atts);
 $posts_per_page = !isset( $posts_per_page ) ? 10 : $posts_per_page;
 $order  = !isset( $order ) ? "DESC" : $order;
 $post_status = !isset( $post_status ) ? "publish" : $post_status;
 $post_type = !isset( $post_type ) ? "product" : $post_type;
 
 $args = array(
     'post_type' =>  $post_type,
     'posts_per_page' =>  $posts_per_page,
     'post_status'   =>  $post_status,
     'order'     =>  $order,
     'orderby'   =>  'meta_value_num',
     'meta_key'  =>  'post_views_count',
 );
 
 $custQuery = new WP_Query($args);
 ?>
    <ul class="products">
    <?php
    if ($custQuery->have_posts()) : while ($custQuery->have_posts()) : $custQuery->the_post();

        wc_get_template_part('content', 'product');

    endwhile; endif;
    ?>
    </ul>
    <?php
 wp_reset_postdata();
}

/*
 * Set post views count using post meta
 */
function setPostViews($postID) {
 $countKey = 'post_views_count';
 $count = get_post_meta($postID, $countKey, true);
 if($count == '' || $count == null){
  $count = 0;
  update_post_meta($postID, $countKey, $count);
 }else{
  $count++;
  update_post_meta($postID, $countKey, $count);
 }
}

popular_product.php

<?php 
// GET POPULAR POSTS
// Can be used without attributes get_most_popular_products() - OK
get_most_popular_products(array('posts_per_page' => 5, 'order' => 'DESC', 'post_status' => 'publish', 'post_type' => 'product' ));

single-product.php

<?php
setPostViews(get_the_ID());
//BEFORE get_header('shop');