Taxonomy.php
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<?php
namespace ACP\Export\Strategy;
use AC\ListTable;
use AC\ListTableFactory;
use ACP;
use ACP\Export\Strategy;
use WP_Term_Query;
class Taxonomy extends Strategy
{
public function __construct(ACP\ListScreen\Taxonomy $list_screen)
{
parent::__construct($list_screen);
}
protected function get_list_table(): ?ListTable
{
return (new ListTableFactory())->create_from_globals();
}
protected function ajax_export(): void
{
add_action('parse_term_query', [$this, 'terms_query'], PHP_INT_MAX - 100);
}
/**
* Catch the terms query and run it with altered parameters for pagination. This should be
* attached to the parse_term_query hook when an AJAX request is sent
*
* @param WP_Term_Query $query
*
* @see action:parse_term_query
* @since 1.0
*/
public function terms_query(WP_Term_Query $query): void
{
if ($query->query_vars['fields'] !== 'count') {
return;
}
remove_action('parse_term_query', [$this, __FUNCTION__], PHP_INT_MAX - 100);
$per_page = $this->get_num_items_per_iteration();
$query->query_vars['offset'] = $this->get_export_counter() * $per_page;
$query->query_vars['number'] = $per_page;
$query->query_vars['fields'] = 'ids';
$ids = $this->get_requested_ids();
if ($ids) {
$query->query_vars['include'] = isset($query->query_vars['include'])
? array_merge($ids, wp_parse_id_list($query->query_vars['include']))
: $ids;
}
$modified_query = new WP_Term_Query($query->query_vars);
$terms = $modified_query->get_terms();
$this->export($terms);
}
}