Post.php
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<?php
namespace ACP\Editing\RequestHandler\Query;
use AC\Request;
use ACP\Editing\ApplyFilter\RowsPerIteration;
use ACP\Editing\RequestHandler;
use ACP\Editing\Response;
use WP_Post;
use WP_Query;
final class Post implements RequestHandler
{
/**
* @var Request
*/
private $request;
public function handle(Request $request)
{
$this->request = $request;
$this->register();
}
private function register()
{
add_action('pre_get_posts', [$this, 'set_query_vars'], PHP_INT_MAX - 100);
add_filter('the_posts', [$this, 'send'], 10, 2);
}
/**
* @return int
*/
private function get_rows_per_iteration()
{
return (new RowsPerIteration($this->request))->apply_filters(2000);
}
/**
* @return int
*/
protected function get_offset()
{
$page = (int)$this->request->filter('ac_page', 1, FILTER_SANITIZE_NUMBER_INT);
return ($page - 1) * $this->get_rows_per_iteration();
}
/**
* @param WP_Post[] $posts
* @param WP_Query $query
*
* @return void|WP_Post[]
*/
public function send($posts, WP_Query $query)
{
if ( ! $query->is_main_query()) {
return $posts;
}
$post_ids = wp_list_pluck($posts, 'ID');
$response = new Response\QueryRows($post_ids, $this->get_rows_per_iteration());
$response->success();
}
/**
* @param WP_Query $query
*/
public function set_query_vars(WP_Query $query)
{
if ( ! $query->is_main_query()) {
return;
}
$query->set('nopaging', false);
$query->set('offset', $this->get_offset());
$query->set('posts_per_page', $this->get_rows_per_iteration());
$query->set('posts_per_archive_page', $this->get_rows_per_iteration());
$query->set('fields', 'all');
$query->set('suppress_filters', false);
}
}