感谢Appleman1234 提供了两个答案,这两个答案都有效。
ApppleMan1234 提供的第一个示例是遍历所有产品,然后通过调用wc_customer_bought_product() 过滤它们。这肯定会奏效。如果您有n 产品,那么您将进行n+1 数据库查询。
他的第二个建议是指向 Brajesh Singh 撰写的帖子的链接,该帖子于 2013 年 6 月 2 日在 fusedpress.com 上发布了解决方案。原来的帖子已经没有了。我在谷歌找到了cached copy。
Brajesh Singh 的解决方案先查询用户的订单,然后查询订单详情,最后查询订单商品元数据中的产品 ID。那么这个解决方案总是只有 3 个查询。除非您的商店只有 1 或 2 种产品,否则此解决方案要好得多。
这是 Brajesh Singh 的代码经过略微编辑的版本。
/**
* Get all Products Successfully Ordered by the user
* @return bool|array false if no products otherwise array of product ids
*/
function so28362162_get_all_products_ordered_by_user() {
$orders = so28362162_get_all_user_orders(get_current_user_id(), 'completed');
if(empty($orders)) {
return false;
}
$order_list = '(' . join(',', $orders) . ')';//let us make a list for query
//so, we have all the orders made by this user that were completed.
//we need to find the products in these orders and make sure they are downloadable.
global $wpdb;
$query_select_order_items = "SELECT order_item_id as id FROM {$wpdb->prefix}woocommerce_order_items WHERE order_id IN {$order_list}";
$query_select_product_ids = "SELECT meta_value as product_id FROM {$wpdb->prefix}woocommerce_order_itemmeta WHERE meta_key=%s AND order_item_id IN ($query_select_order_items)";
$products = $wpdb->get_col($wpdb->prepare($query_select_product_ids, '_product_id'));
return $products;
}
/**
* Returns all the orders made by the user
* @param int $user_id
* @param string $status (completed|processing|canceled|on-hold etc)
* @return array of order ids
*/
function so28362162_get_all_user_orders($user_id, $status = 'completed') {
if(!$user_id) {
return false;
}
$args = array(
'numberposts' => -1,
'meta_key' => '_customer_user',
'meta_value' => $user_id,
'post_type' => 'shop_order',
'post_status' => 'publish',
'tax_query' => array(
array(
'taxonomy' => 'shop_order_status',
'field' => 'slug',
'terms' => $status
)
)
);
$posts = get_posts($args);
//get the post ids as order ids
return wp_list_pluck($posts, 'ID');
}
将其与问题中的产品循环相结合,加上未弃用的 wc_get_template_part() 和添加的 posts_per_page=-1 给我们
<ul class="products">
<?php
$args = array(
'post_type' => 'product',
'post__in' => so28362162_get_all_products_ordered_by_user(),
'posts_per_page' => -1
);
$loop = new WP_Query($args);
if($loop->have_posts()) {
while($loop->have_posts()) : $loop->the_post();
wc_get_template_part('content', 'product');
endwhile;
}
else {
echo __('No products found');
}
wp_reset_postdata();
?>
</ul><!--/.products-->