intraxia/wp-gistpen

<?php
namespace Intraxia\Gistpen\Http\Filter;

use Intraxia\Jaxion\Contract\Http\Filter as FilterContract;
use Intraxia\Gistpen\Options\Site;
use Intraxia\Gistpen\Params\Globals;
use WP_Error;

/**
 * Class Filter\SitePatch
 *
 * @package Intraxia\Gistpen\Http
 * @subpackage Filter
 */
class SitePatch implements FilterContract {
    /**
     * Generates argument rules.
     *
     * Returns an array matching the WP-API format for argument rules,
     * including sanitization, validation, required, or defaults.
     *
     * @return array
     */
    public function rules() {
        return [
            'prism' => [
                'description'       => __( 'Prism syntax highlighting configuration', 'wp-gistpen' ),
                'required'          => false,
                'type'              => 'array',
                'sanitize_callback' => [ $this, 'sanitize_prism' ],
            ],
            'gist'  => [
                'description'       => __( 'Gist sync configuration', 'wp-gistpen' ),
                'required'          => false,
                'type'              => 'array',
                'sanitize_callback' => [ $this, 'sanitize_gist' ],
            ],
        ];
    }

    /**
     * Sanitize the prism key.
     *
     * @param  array $prism
     * @return array
     */
    public function sanitize_prism( array $prism ) {
        foreach ( $prism as $key => $value ) {
            if ( ! array_key_exists( $key, Site::$defaults['prism'] ) ) {
                return new WP_Error(
                    'invalid_rest_param',
                    sprintf(
                        /* translators: prism option key */
                        __( 'Param "prism.%s" is not a valid request param.', 'wp-gistpen' ),
                        $key
                    )
                );
            }

            if ( 'theme' === $key ) {
                if ( ! is_string( $value ) ) {
                    return new WP_Error(
                        'invalid_rest_param',
                        __( 'Param "prism.theme" is not a string.', 'wp-gistpen' )
                    );
                }

                if ( ! in_array( $value, Globals::$themes, true ) ) {
                    return new WP_Error(
                        'invalid_rest_param',
                        __( 'Param "prism.theme" is not a valid theme.', 'wp-gistpen' )
                    );
                }
            }

            if ( in_array( $key, [ 'line-numbers', 'show-invisibles' ], true ) ) {
                if ( ! is_bool( $value ) ) {
                    return new WP_Error(
                        'invalid_rest_param',
                        sprintf(
                            /* translators: prism option key */
                            __( 'Param "prism.%s" is not a boolean.', 'wp-gistpen' ),
                            $key
                        )
                    );
                }
            }
        }

        return $prism;
    }

    /**
     * Sanitize the gist key.
     *
     * @param  array $gist
     * @return array
     */
    public function sanitize_gist( array $gist ) {
        foreach ( $gist as $key => $value ) {
            if ( ! array_key_exists( $key, Site::$defaults['gist'] ) ) {
                return new WP_Error(
                    'invalid_rest_param',
                    sprintf(
                        /* translators: gist option key */
                        __( 'Param "gist.%s" is not a valid request param.', 'wp-gistpen' ),
                        $key
                    )
                );
            }

            if ( 'token' === $key && ! is_string( $value ) ) {
                            return new WP_Error(
                                'invalid_rest_param',
                                __( 'Param "gist.token" is not a string.', 'wp-gistpen' )
                            );
            }
        }

        return $gist;
    }
}