<?php
/**
 * REST API Product Reviews Controller
 *
 * Handles requests to /products/<product_id>/reviews.
 *
 * @author   WooThemes
 * @category API
 * @package  WooCommerce/API
 * @since    2.6.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * REST API Product Reviews Controller Class.
 *
 * @package WooCommerce/API
 * @extends WC_REST_Product_Reviews_V1_Controller
 */
class WC_REST_Product_Reviews_Controller extends WC_REST_Product_Reviews_V1_Controller {

	/**
	 * Endpoint namespace.
	 *
	 * @var string
	 */
	protected $namespace = 'wc/v2';

	/**
	 * Route base.
	 *
	 * @var string
	 */
	protected $rest_base = 'products/(?P<product_id>[\d]+)/reviews';

	/**
	 * Register the routes for product reviews.
	 */
	public function register_routes() {
		parent::register_routes();

		register_rest_route( $this->namespace, '/' . $this->rest_base . '/batch', array(
			'args' => array(
				'product_id' => array(
					'description' => __( 'Unique identifier for the variable product.', 'woocommerce' ),
					'type'        => 'integer',
				),
			),
			array(
				'methods'             => WP_REST_Server::EDITABLE,
				'callback'            => array( $this, 'batch_items' ),
				'permission_callback' => array( $this, 'batch_items_permissions_check' ),
				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
			),
			'schema' => array( $this, 'get_public_batch_schema' ),
		) );
	}

	/**
	 * Check if a given request has access to batch manage product reviews.
	 *
	 * @param  WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function batch_items_permissions_check( $request ) {
		if ( ! wc_rest_check_post_permissions( 'product', 'batch' ) ) {
			return new WP_Error( 'woocommerce_rest_cannot_edit', __( 'Sorry, you are not allowed to batch manipulate this resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
		}
		return true;
	}

	/**
	 * Bulk create, update and delete items.
	 *
	 * @since  2.7.0
	 * @param WP_REST_Request $request Full details about the request.
	 * @return array Of WP_Error or WP_REST_Response.
	 */
	public function batch_items( $request ) {
		$items       = array_filter( $request->get_params() );
		$params      = $request->get_url_params();
		$product_id  = $params['product_id'];
		$body_params = array();

		foreach ( array( 'update', 'create', 'delete' ) as $batch_type ) {
			if ( ! empty( $items[ $batch_type ] ) ) {
				$injected_items = array();
				foreach ( $items[ $batch_type ] as $item ) {
					$injected_items[] = is_array( $item ) ? array_merge( array( 'product_id' => $product_id ), $item ) : $item;
				}
				$body_params[ $batch_type ] = $injected_items;
			}
		}

		$request = new WP_REST_Request( $request->get_method() );
		$request->set_body_params( $body_params );

		return parent::batch_items( $request );
	}
}