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File Content: `Pagination.php`

<?php
namespace Automattic\WooCommerce\StoreApi\Utilities;

/**
 * Pagination class.
 */
class Pagination {

	/**
	 * Add pagination headers to a response object.
	 *
	 * @param \WP_REST_Response $response Reference to the response object.
	 * @param \WP_REST_Request  $request The request object.
	 * @param int               $total_items Total items found.
	 * @param int               $total_pages Total pages found.
	 * @return \WP_REST_Response
	 */
	public function add_headers( $response, $request, $total_items, $total_pages ) {
		$response->header( 'X-WP-Total', $total_items );
		$response->header( 'X-WP-TotalPages', $total_pages );

		$current_page = $this->get_current_page( $request );
		$link_base    = $this->get_link_base( $request );

		if ( $current_page > 1 ) {
			$previous_page = $current_page - 1;
			if ( $previous_page > $total_pages ) {
				$previous_page = $total_pages;
			}
			$this->add_page_link( $response, 'prev', $previous_page, $link_base );
		}

		if ( $total_pages > $current_page ) {
			$this->add_page_link( $response, 'next', ( $current_page + 1 ), $link_base );
		}

		return $response;
	}

	/**
	 * Get current page.
	 *
	 * @param \WP_REST_Request $request The request object.
	 * @return int Get the page from the request object.
	 */
	protected function get_current_page( $request ) {
		return (int) $request->get_param( 'page' );
	}

	/**
	 * Get base for links from the request object.
	 *
	 * @param \WP_REST_Request $request The request object.
	 * @return string
	 */
	protected function get_link_base( $request ) {
		return esc_url( add_query_arg( $request->get_query_params(), rest_url( $request->get_route() ) ) );
	}

	/**
	 * Add a page link.
	 *
	 * @param \WP_REST_Response $response Reference to the response object.
	 * @param string            $name Page link name. e.g. prev.
	 * @param int               $page Page number.
	 * @param string            $link_base Base URL.
	 */
	protected function add_page_link( &$response, $name, $page, $link_base ) {
		$response->link_header( $name, add_query_arg( 'page', $page, $link_base ) );
	}
}

Name	Size	Permission
ArrayUtils.php	1530 bytes	0644
CartController.php	49454 bytes	0644
CartTokenUtils.php	1853 bytes	0644
CheckoutTrait.php	11076 bytes	0644
DraftOrderTrait.php	1807 bytes	0644
JsonWebToken.php	5194 bytes	0644
LocalPickupUtils.php	3251 bytes	0644
NoticeHandler.php	2070 bytes	0644
OrderAuthorizationTrait.php	2335 bytes	0644
OrderController.php	31956 bytes	0644
Pagination.php	2100 bytes	0644
PaymentUtils.php	3737 bytes	0644
ProductItemTrait.php	3021 bytes	0644
ProductQuery.php	19476 bytes	0644
ProductQueryFilters.php	8203 bytes	0644
QuantityLimits.php	10137 bytes	0644
RateLimits.php	6289 bytes	0644
SanitizationUtils.php	794 bytes	0644
ValidationUtils.php	1770 bytes	0644

File Content: Pagination.php

File Content: `Pagination.php`