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<?php
/**
* REST API Taxes Controller
*
* Handles requests to /taxes/*
*/
namespace Automattic\WooCommerce\Admin\API;
defined( 'ABSPATH' ) || exit;
/**
* Taxes controller.
*
* @internal
* @extends WC_REST_Taxes_Controller
*/
class Taxes extends \WC_REST_Taxes_Controller {
/**
* Endpoint namespace.
*
* @var string
*/
protected $namespace = 'wc-analytics';
/**
* Get the query params for collections.
*
* @return array
*/
public function get_collection_params() {
$params = parent::get_collection_params();
$params['search'] = array(
'description' => __( 'Search by similar tax code.', 'woocommerce' ),
'type' => 'string',
'validate_callback' => 'rest_validate_request_arg',
);
$params['include'] = array(
'description' => __( 'Limit result set to items that have the specified rate ID(s) assigned.', 'woocommerce' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
'validate_callback' => 'rest_validate_request_arg',
);
return $params;
}
/**
* Get all taxes and allow filtering by tax code.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response
*/
public function get_items( $request ) {
global $wpdb;
$prepared_args = array();
$prepared_args['order'] = $request['order'];
$prepared_args['number'] = $request['per_page'];
if ( ! empty( $request['offset'] ) ) {
$prepared_args['offset'] = $request['offset'];
} else {
$prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number'];
}
$orderby_possibles = array(
'id' => 'tax_rate_id',
'order' => 'tax_rate_order',
);
$prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ];
$prepared_args['class'] = $request['class'];
$prepared_args['search'] = $request['search'];
$prepared_args['include'] = $request['include'];
/**
* Filter arguments, before passing to $wpdb->get_results(), when querying taxes via the REST API.
*
* @param array $prepared_args Array of arguments for $wpdb->get_results().
* @param WP_REST_Request $request The current request.
*/
$prepared_args = apply_filters( 'woocommerce_rest_tax_query', $prepared_args, $request );
$query = "
SELECT *
FROM {$wpdb->prefix}woocommerce_tax_rates
WHERE 1 = 1
";
// Filter by tax class.
if ( ! empty( $prepared_args['class'] ) ) {
$class = 'standard' !== $prepared_args['class'] ? sanitize_title( $prepared_args['class'] ) : '';
$query .= " AND tax_rate_class = '$class'";
}
// Filter by tax code.
$tax_code_search = $prepared_args['search'];
if ( $tax_code_search ) {
$code_like = '%' . $wpdb->esc_like( $tax_code_search ) . '%';
$query .= $wpdb->prepare( ' AND CONCAT_WS( "-", NULLIF(tax_rate_country, ""), NULLIF(tax_rate_state, ""), NULLIF(tax_rate_name, ""), NULLIF(tax_rate_priority, "") ) LIKE %s', $code_like );
}
// Filter by included tax rate IDs.
$included_taxes = array_map( 'absint', $prepared_args['include'] );
if ( ! empty( $included_taxes ) ) {
$included_taxes = implode( ',', $prepared_args['include'] );
$query .= " AND tax_rate_id IN ({$included_taxes})";
}
// Order tax rates.
$order_by = sprintf( ' ORDER BY %s', sanitize_key( $prepared_args['orderby'] ) );
// Pagination.
$pagination = sprintf( ' LIMIT %d, %d', $prepared_args['offset'], $prepared_args['number'] );
// Query taxes.
$results = $wpdb->get_results( $query . $order_by . $pagination ); // @codingStandardsIgnoreLine.
$taxes = array();
foreach ( $results as $tax ) {
$data = $this->prepare_item_for_response( $tax, $request );
$taxes[] = $this->prepare_response_for_collection( $data );
}
$response = rest_ensure_response( $taxes );
// Store pagination values for headers then unset for count query.
$per_page = (int) $prepared_args['number'];
$page = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );
// Query only for ids.
$wpdb->get_results( str_replace( 'SELECT *', 'SELECT tax_rate_id', $query ) ); // @codingStandardsIgnoreLine.
// Calculate totals.
$total_taxes = (int) $wpdb->num_rows;
$response->header( 'X-WP-Total', (int) $total_taxes );
$max_pages = ceil( $total_taxes / $per_page );
$response->header( 'X-WP-TotalPages', (int) $max_pages );
$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
if ( $page > 1 ) {
$prev_page = $page - 1;
if ( $prev_page > $max_pages ) {
$prev_page = $max_pages;
}
$prev_link = add_query_arg( 'page', $prev_page, $base );
$response->link_header( 'prev', $prev_link );
}
if ( $max_pages > $page ) {
$next_page = $page + 1;
$next_link = add_query_arg( 'page', $next_page, $base );
$response->link_header( 'next', $next_link );
}
return $response;
}
}
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