kilbot/WooCommerce-POS

<?php

/**
 * POS Settings
 *
 * @package    WCPOS\API_Settings
 * @author   Paul Kilmurray <paul@kilbot.com.au>
 * @link     http://www.wcpos.com
 */

namespace WCPOS\API;

use WC_API_Resource;
use WC_API_Server;
use WCPOS\Admin\Settings as Admin_Settings;
use WCPOS\Admin\Settings\Gateways as Admin_Settings_Gateways;
use WCPOS\Admin\Status;

class Settings extends WC_API_Resource {

    protected $base = '/pos/settings';

    /**
     * Register routes for POS Settings
     *
     * GET /pos
     *
     * @param array $routes
     * @return array
     */
    public function register_routes( array $routes ) {

        # GET /pos/settings
        $routes[ $this->base ] = array(
            array( array( $this, 'get_settings' ), WC_API_Server::READABLE )
        );

        # GET|PUT|DELETE /pos/settings/<id>
        $routes[ $this->base . '/(?P<id>\w+)' ] = array(
            array( array( $this, 'get_settings' ), WC_API_Server::READABLE ),
            array( array( $this, 'edit_settings' ), WC_API_Server::EDITABLE | WC_API_Server::ACCEPT_DATA ),
            array( array( $this, 'delete_settings' ), WC_API_Server::DELETABLE ),
        );

        return $routes;

    }

    /**
     * @param string $id
     * @param null $wcpos_admin
     * @return array
     *
     * @todo refactor, get_settings returns payload, edit_settings returns data
     * @todo move business logic to WCPOS_Admin_Settings?
     */
    public function get_settings( $id = '', $wcpos_admin = null, $defaults = false ) {

        // @todo remove this special hack for 'restore default settings'
        if ( $defaults ) {
            return $this->delete_settings( $id );
        }

        $payload = $handlers = array();

        switch ( $wcpos_admin ) {
            case 'admin_settings':
                $handlers = Admin_Settings::handlers();
                break;
            case 'admin_system_status':
                $handlers = Status::handlers();
                break;
        }

        // single settings
        if ( $id && isset( $handlers[ $id ] ) ) {
            $class   = $handlers[ $id ];
            $handler = $class::get_instance();

            return $handler->get_payload();
        }

        foreach ( $handlers as $key => $class ) {
            $handler   = $class::get_instance();
            $payload[] = $handler->get_payload();
        }

        return $payload;
    }

    /**
     * @param string $id
     * @param        $data
     * @return array|WP_Error
     * @throws WC_API_Exception
     */
    public function edit_settings( $id = '', $data ) {

        if ( ! $data ) {
            throw new WC_API_Exception( 'woocommerce_pos_api_missing_settings_data', sprintf( __( 'No %1$s data specified to edit %1$s', 'woocommerce' ), 'settings' ), 400 );
        }

        $handler = $this->get_settings_handler( $id );

        if ( is_wp_error( $handler ) ) {
            return $handler;
        }

        if ( $handler->flush_local_data( $data ) ) {
            Admin_Settings::bump_idb_version();
        }

        return $handler->set( $data );
    }


    /**
     * @param string $id
     * @return array|WP_Error
     */
    public function delete_settings( $id = '' ) {

        $handler = $this->get_settings_handler( $id );

        if ( is_wp_error( $handler ) ) {
            return $handler;
        }

        if ( $handler->flush_local_data() ) {
            Admin_Settings::bump_idb_version();
        }

        return $handler->delete();
    }

    /**
     * Delete all settings in WP options table
     */
    public function delete_all_settings() {
        global $wpdb;
        $wpdb->query(
            $wpdb->prepare( "
        DELETE FROM {$wpdb->options}
        WHERE option_name
        LIKE '%s'",
                Admin_Settings::DB_PREFIX . '%'
            )
        );
    }

    /**
     * @param $id
     * @return Gateways|\WP_Error
     */
    private function get_settings_handler( $id ) {

        if ( ! $id ) {
            return new \WP_Error(
                'woocommerce_pos_settings_error',
                __( 'There is no settings id', 'woocommerce-pos' ),
                array( 'status' => 400 )
            );
        }

        // special case: gateway_
        $gateway_id = preg_replace( '/^gateway_/', '', strtolower( $id ), 1, $count );
        if ( $count ) {
            return new Admin_Settings_Gateways( $gateway_id );
        }

        // special case: receipt_
        $receipts_section = preg_replace( '/^receipt_/', '', strtolower( $id ), 1, $count );
        if ( $count ) {
            $class = '\WCPOS\Admin\Settings\Receipt\\' . ucfirst( $receipts_section );

            return new $class();
        } // else, find handler by id
        else {
            $handlers = (array) Admin_Settings::handlers();
            if ( isset( $handlers[ $id ] ) ) {
                return new $handlers[ $id ]();
            }
        }

        return new \WP_Error(
            'woocommerce_pos_settings_error',
            sprintf( __( 'No handler found for %s settings', 'woocommerce-pos' ), $id ),
            array( 'status' => 400 )
        );

    }

}