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<?php
/**
 * REST API Reports orders stats controller
 *
 * Handles requests to the /reports/orders/stats endpoint.
 */

namespace Automattic\WooCommerce\Admin\API\Reports\Orders\Stats;

defined( 'ABSPATH' ) || exit;

use Automattic\WooCommerce\Admin\API\Reports\GenericStatsController;
use Automattic\WooCommerce\Admin\API\Reports\OrderAwareControllerTrait;
use Automattic\WooCommerce\Admin\API\Reports\Orders\Stats\Query;

/**
 * REST API Reports orders stats controller class.
 *
 * @internal
 * @extends \Automattic\WooCommerce\Admin\API\Reports\GenericStatsController
 */
class Controller extends GenericStatsController {

use OrderAwareControllerTrait;

/**
	 * Route base.
	 *
	 * @var string
	 */
	protected $rest_base = 'reports/orders/stats';

/**
	 * Get data from Orders\Stats\Query.
	 *
	 * @override GenericController::get_datastore_data()
	 *
	 * @param array $query_args Query arguments.
	 * @return mixed Results from the data store.
	 */
	protected function get_datastore_data( $query_args = array() ) {
		$query = new Query( $query_args );
		return $query->get_data();
	}

/**
	 * Maps query arguments from the REST request.
	 *
	 * @param array $request Request array.
	 * @return array
	 */
	protected function prepare_reports_query( $request ) {
		$args                        = array();
		$args['before']              = $request['before'];
		$args['after']               = $request['after'];
		$args['interval']            = $request['interval'];
		$args['page']                = $request['page'];
		$args['per_page']            = $request['per_page'];
		$args['orderby']             = $request['orderby'];
		$args['order']               = $request['order'];
		$args['fields']              = $request['fields'];
		$args['match']               = $request['match'];
		$args['status_is']           = (array) $request['status_is'];
		$args['status_is_not']       = (array) $request['status_is_not'];
		$args['product_includes']    = (array) $request['product_includes'];
		$args['product_excludes']    = (array) $request['product_excludes'];
		$args['variation_includes']  = (array) $request['variation_includes'];
		$args['variation_excludes']  = (array) $request['variation_excludes'];
		$args['coupon_includes']     = (array) $request['coupon_includes'];
		$args['coupon_excludes']     = (array) $request['coupon_excludes'];
		$args['tax_rate_includes']   = (array) $request['tax_rate_includes'];
		$args['tax_rate_excludes']   = (array) $request['tax_rate_excludes'];
		$args['customer_type']       = $request['customer_type'];
		$args['refunds']             = $request['refunds'];
		$args['attribute_is']        = (array) $request['attribute_is'];
		$args['attribute_is_not']    = (array) $request['attribute_is_not'];
		$args['category_includes']   = (array) $request['categories'];
		$args['segmentby']           = $request['segmentby'];
		$args['force_cache_refresh'] = $request['force_cache_refresh'];

// For backwards compatibility, `customer` is aliased to `customer_type`.
		if ( empty( $request['customer_type'] ) && ! empty( $request['customer'] ) ) {
			$args['customer_type'] = $request['customer'];
		}

return $args;
	}

/**
	 * Prepare a report data item for serialization.
	 *
	 * @param Array           $report  Report data item as returned from Data Store.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response
	 */
	public function prepare_item_for_response( $report, $request ) {
		// Wrap the data in a response object.
		$response = parent::prepare_item_for_response( $report, $request );

/**
		 * Filter a report returned from the API.
		 *
		 * Allows modification of the report data right before it is returned.
		 *
		 * @param WP_REST_Response $response The response object.
		 * @param object           $report   The original report object.
		 * @param WP_REST_Request  $request  Request used to generate the response.
		 */
		return apply_filters( 'woocommerce_rest_prepare_report_orders_stats', $response, $report, $request );
	}

/**
	 * Get the Report's item properties schema.
	 * Will be used by `get_item_schema` as `totals` and `subtotals`.
	 *
	 * @return array
	 */
	protected function get_item_properties_schema() {
		return array(
			'net_revenue'         => array(
				'description' => __( 'Net sales.', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
				'format'      => 'currency',
			),
			'orders_count'        => array(
				'title'       => __( 'Orders', 'woocommerce' ),
				'description' => __( 'Number of orders', 'woocommerce' ),
				'type'        => 'integer',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
				'indicator'   => true,
			),
			'avg_order_value'     => array(
				'description' => __( 'Average order value.', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
				'indicator'   => true,
				'format'      => 'currency',
			),
			'avg_items_per_order' => array(
				'description' => __( 'Average items per order', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
			'num_items_sold'      => array(
				'description' => __( 'Number of items sold', 'woocommerce' ),
				'type'        => 'integer',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
			'coupons'             => array(
				'description' => __( 'Amount discounted by coupons.', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
			'coupons_count'       => array(
				'description' => __( 'Unique coupons count.', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
			'total_customers'     => array(
				'description' => __( 'Total distinct customers.', 'woocommerce' ),
				'type'        => 'integer',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
			'products'            => array(
				'description' => __( 'Number of distinct products sold.', 'woocommerce' ),
				'type'        => 'number',
				'context'     => array( 'view', 'edit' ),
				'readonly'    => true,
			),
		);
	}

/**
	 * Get the Report's schema, conforming to JSON Schema.
	 *
	 * @return array
	 */
	public function get_item_schema() {
		$schema          = parent::get_item_schema();
		$schema['title'] = 'report_orders_stats';

// Products is not shown in intervals.
		unset( $schema['properties']['intervals']['items']['properties']['subtotals']['properties']['products'] );

return $this->add_additional_fields_schema( $schema );
	}

/**
	 * Get the query params for collections.
	 *
	 * @return array
	 */
	public function get_collection_params() {
		$params                     = parent::get_collection_params();
		$params['orderby']['enum']  = $this->apply_custom_orderby_filters(
			array(
				'date',
				'net_revenue',
				'orders_count',
				'avg_order_value',
			)
		);
		$params['match']            = array(
			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
			'type'              => 'string',
			'default'           => 'all',
			'enum'              => array(
				'all',
				'any',
			),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['status_is']        = array(
			'description'       => __( 'Limit result set to items that have the specified order status.', 'woocommerce' ),
			'type'              => 'array',
			'sanitize_callback' => 'wp_parse_slug_list',
			'validate_callback' => 'rest_validate_request_arg',
			'default'           => null,
			'items'             => array(
				'enum' => self::get_order_statuses(),
				'type' => 'string',
			),
		);
		$params['status_is_not']    = array(
			'description'       => __( 'Limit result set to items that don\'t have the specified order status.', 'woocommerce' ),
			'type'              => 'array',
			'sanitize_callback' => 'wp_parse_slug_list',
			'validate_callback' => 'rest_validate_request_arg',
			'items'             => array(
				'enum' => self::get_order_statuses(),
				'type' => 'string',
			),
		);
		$params['product_includes'] = array(
			'description'       => __( 'Limit result set to items that have the specified product(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',

);
		$params['product_excludes'] = array(
			'description'       => __( 'Limit result set to items that don\'t have the specified product(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
		);
		// Split assignments for PHPCS complaining on aligned.
		$params['variation_includes'] = array(
			'description'       => __( 'Limit result set to items that have the specified variation(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['variation_excludes'] = array(
			'description'       => __( 'Limit result set to items that don\'t have the specified variation(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'validate_callback' => 'rest_validate_request_arg',
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['coupon_includes']    = array(
			'description'       => __( 'Limit result set to items that have the specified coupon(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['coupon_excludes']    = array(
			'description'       => __( 'Limit result set to items that don\'t have the specified coupon(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['tax_rate_includes']  = array(
			'description'       => __( 'Limit result set to items that have the specified tax rate(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['tax_rate_excludes']  = array(
			'description'       => __( 'Limit result set to items that don\'t have the specified tax rate(s) assigned.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'validate_callback' => 'rest_validate_request_arg',
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['customer']           = array(
			'description'       => __( 'Alias for customer_type (deprecated).', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => array(
				'new',
				'returning',
			),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['customer_type']      = array(
			'description'       => __( 'Limit result set to orders that have the specified customer_type', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => array(
				'new',
				'returning',
			),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['refunds']            = array(
			'description'       => __( 'Limit result set to specific types of refunds.', 'woocommerce' ),
			'type'              => 'string',
			'default'           => '',
			'enum'              => array(
				'',
				'all',
				'partial',
				'full',
				'none',
			),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['attribute_is']       = array(
			'description'       => __( 'Limit result set to orders that include products with the specified attributes.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'array',
			),
			'default'           => array(),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['attribute_is_not']   = array(
			'description'       => __( 'Limit result set to orders that don\'t include products with the specified attributes.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'array',
			),
			'default'           => array(),
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['segmentby']          = array(
			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => array(
				'product',
				'category',
				'variation',
				'coupon',
				'customer_type', // new vs returning.
			),
			'validate_callback' => 'rest_validate_request_arg',
		);
		unset( $params['intervals'] );
		unset( $params['fields'] );

return $params;
	}
}