Hướng Dẫn 2 Cách Code Sản Phẩm Đã Xem Trong Woocommerce

// Tạo Cookies SP Đã Xem //
function set_cookies_viewed_sieunghien()
{
    if (!is_singular('product')) {
        return;
    }
    global $post;
    if (empty($_COOKIE['woocommerce_recently_viewed'])) { 
        $viewed_products = array();
    } else {
        $viewed_products = wp_parse_id_list((array) explode('|', wp_unslash($_COOKIE['woocommerce_recently_viewed']))); 
    }
    $keys = array_flip($viewed_products);
    if (isset($keys[$post->ID])) {
        unset($viewed_products[$keys[$post->ID]]);
    }
    $viewed_products[] = $post->ID;
    if (count($viewed_products) > 8) { //chỉ cho phép lưu tối đa 8 sản phẩm
        array_shift($viewed_products);
    }
    wc_setcookie('woocommerce_recently_viewed', implode('|', $viewed_products));
}
add_action('wp', 'set_cookies_viewed_sieunghien');

// Thêm SP Đã Xem Vào Trước Mô Tả Sản Phẩm //
add_action('woocommerce_after_single_product_summary','show_viewed_product_sieunghien',1);
function show_viewed_product_sieunghien(){
    $viewed_products = !empty($_COOKIE['woocommerce_recently_viewed']) ? (array) explode('|', wp_unslash($_COOKIE['woocommerce_recently_viewed'])) : array();
    $viewed_products = array_reverse(array_filter(array_map('absint', $viewed_products)));
     
?>
<div id="recently_view">
    <div class="container">
        <?php
            if (!empty($viewed_products)) {
                echo '<h2>Sản Phẩm Đã Xem</h2>';
                //Dành cho theme khác
                echo do_shortcode('[products type="row" limit="8" columns="4" ids="' . implode(',', $viewed_products) . '"]');
                //Dành cho riêng theme Flatsome
                echo do_shortcode('[ux_products style="normal" columns="4" slider_nav_style="circle" ids="' . implode(',', $viewed_products) . '"]'); 
            }
        ?>
    </div>
</div>
<?php
}

// Tạo Sản Phẩm Đã Xem Với Giao Diện Mặc Định Woocommerce //
global $woocommerce;
$viewed_products = ! empty( $_COOKIE['woocommerce_recently_viewed'] ) ? (array) explode( '|', $_COOKIE['woocommerce_recently_viewed'] ) : array();
$viewed_products = array_filter( array_map( 'absint', $viewed_products ) );
?>
<?php 
$query_args = array(
	'posts_per_page' => 10, // 10 san pham moi nhat
	'post_status'    => 'publish', 
	'post_type'      => 'product', 
	'post__in'       => $viewed_products, 
	'orderby'        => 'rand' //random
);
$query_args['meta_query'] = array();
$query_args['meta_query'][] = $woocommerce->query->stock_status_meta_query();
$r = new WP_Query($query_args);
if ( $r->have_posts() ) {
	?>
	<div class="recent_title"> 
		<h2>SẢN PHẨM ĐÃ XEM</h2>  
	</div>
	<?php 
	while ( $r->have_posts() ) { $r->the_post();
		get_template_part( 'template-parts/content', get_post_type() ); // call template woocommerce
	}
}; 
wp_reset_postdata();