deep-web-solutions/wordpress-framework-settings

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src/includes/Adapters/WordPressSettingsAdapter.php

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<?php

namespace DeepWebSolutions\Framework\Settings\Adapters;

use DeepWebSolutions\Framework\Helpers\DataTypes\Arrays;
use DeepWebSolutions\Framework\Helpers\DataTypes\Callables;
use DeepWebSolutions\Framework\Helpers\DataTypes\Strings;
use DeepWebSolutions\Framework\Settings\SettingsAdapterInterface;

\defined( 'ABSPATH' ) || exit;

/**
 * Interacts with the Settings API of WordPress itself.
 *
 * @since   1.0.0
 * @version 1.0.0
 * @author  Antonius Hegyes <a.hegyes@deep-web-solutions.com>
 * @package DeepWebSolutions\WP-Framework\Settings\Adapters
 */
class WordPressSettingsAdapter implements SettingsAdapterInterface {
    // region CREATE

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function register_menu_page( $page_title, $menu_title, string $menu_slug, string $capability, array $params = array() ): string {
        return \add_menu_page( Strings::resolve( $page_title ), Strings::resolve( $menu_title ), $capability, $menu_slug, $params['function'] ?? '', $params['icon_url'] ?? '', $params['position'] ?? null );
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     *
     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
     */
    public function register_submenu_page( string $parent_slug, $page_title, $menu_title, string $menu_slug, string $capability, array $params = array() ): ?string {
        $page_title = Strings::resolve( $page_title );
        $menu_title = Strings::resolve( $menu_title );
        $params     = \wp_parse_args(
            $params,
            array(
                'function' => '',
                'position' => null,
            )
        );

        switch ( $parent_slug ) {
            case 'plugins.php':
                $result = \add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'themes.php':
                $result = \add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'options-general.php':
                $result = \add_options_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'tools.php':
                $result = \add_management_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'index.php':
                $result = \add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'edit.php':
                $result = \add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'upload.php':
                $result = \add_media_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'link-manager.php':
                $result = \add_links_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'edit.php?post_type=page':
                $result = \add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            case 'edit-comments.php':
                $result = \add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
                break;
            default:
                $result = \add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $params['function'], $params['position'] );
        }

        return ( false === $result ) ? null : $result;
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function register_options_group( string $group_id, $group_title, $fields, string $page, array $params = array() ): bool {
        \register_setting( $group_id, $group_id, array( 'type' => 'array' ) + ( $params['setting_args'] ?? array() ) );
        \add_settings_section( $group_id, Strings::resolve( $group_title ), $params['section_callback'] ?? '', $page );

        $fields = Arrays::validate( Callables::maybe_resolve( $fields ), array() );
        foreach ( $fields as $field ) {
            if ( isset( $field['id'], $field['title'], $field['callback'] ) ) {
                \add_settings_field( $field['id'], Strings::resolve( $field['title'] ), $field['callback'], $page, $group_id, $field['args'] ?? array() );
            }
        }

        return true;
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function register_generic_group( string $group_id, $group_title, $fields, array $locations, array $params = array() ): bool {
        \add_meta_box(
            $group_id,
            Strings::resolve( $group_title ),
            $params['callback'] ?? '__return_empty_string',
            $locations,
            $params['context'] ?? 'advanced',
            $params['priority'] ?? 'default',
            array( 'fields' => Callables::maybe_resolve( $fields ) ) + ( $params['callback_args'] ?? array() )
        );

        return true;
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function register_field( string $group_id, string $field_id, $field_title, string $field_type, array $params ): bool {
        if ( isset( \get_registered_settings()[ $group_id ] ) ) {
            \add_settings_field( $field_id, Strings::resolve( $field_title ), $params['callback'] ?? '', $params['page'] ?? '', $group_id, array( 'type' => $field_type ) + ( $params['args'] ?? array() ) );
            return true;
        }

        return false;
    }

    // endregion

    // region READ

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function get_option_value( ?string $field_id, string $settings_id, array $params = array() ) {
        $params = \wp_parse_args( $params, array( 'default' => false ) );

        if ( \is_multisite() ) {
            $params   = $this->parse_network_params( $params );
            $settings = ( false === $params['network_id'] )
                ? \get_blog_option( $params['blog_id'], $settings_id, $params['default'] )
                : \get_network_option( $params['network_id'], $settings_id, $params['default'] );
        } else {
            $settings = \get_option( $settings_id, $params['default'] );
        }

        return empty( $field_id ) ? $settings : ( $settings[ $field_id ] ?? $params['default'] );
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function get_field_value( string $field_id, $object_id, array $params = array() ) {
        $params = \wp_parse_args(
            $params,
            array(
                'meta_type' => 'post',
                'single'    => false,
                'raw'       => false,
            )
        );

        return $params['raw']
            ? \get_metadata_raw( $params['meta_type'], $object_id, $field_id, $params['single'] )
            : \get_metadata( $params['meta_type'], $object_id, $field_id, $params['single'] );
    }

    // endregion

    // region UPDATE

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function update_option_value( ?string $field_id, $value, string $settings_id, array $params = array() ): bool {
        $params = \wp_parse_args( $params, array( 'default' => false ) );

        if ( ! empty( $field_id ) ) {
            $options              = $this->get_option_value( null, $settings_id, $params );
            $options[ $field_id ] = $value;
            $value                = $options;
        }

        if ( \is_multisite() ) {
            $params = $this->parse_network_params( $params );
            return ( false === $params['network_id'] )
                ? \update_blog_option( $params['blog_id'], $settings_id, $value )
                : \update_network_option( $params['network_id'], $settings_id, $value );
        } else {
            return \update_option( $settings_id, $value, $params['autoload'] ?? null );
        }
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function update_field_value( string $field_id, $value, $object_id, array $params = array() ) {
        return \update_metadata( $params['meta_type'] ?? 'post', $object_id, $field_id, $value, $params['prev_value'] ?? '' );
    }

    // endregion

    // region DELETE

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function delete_option_value( ?string $field_id, string $settings_id, array $params = array() ): bool {
        if ( ! empty( $field_id ) ) {
            $options = $this->get_option_value( null, $settings_id, $params );
            unset( $options[ $field_id ] );
            return $this->update_option_value( null, $options, $settings_id, $params );
        } elseif ( \is_multisite() ) {
            $params = $this->parse_network_params( $params );
            return ( false === $params['network_id'] )
                ? \delete_blog_option( $params['blog_id'], $settings_id )
                : \delete_network_option( $params['network_id'], $settings_id );
        } else {
            return \delete_option( $settings_id );
        }
    }

    /**
     * {@inheritDoc}
     *
     * @since   1.0.0
     * @version 1.0.0
     */
    public function delete_field_value( string $field_id, $object_id, array $params = array() ): bool {
        return \delete_metadata( $params['meta_type'] ?? 'post', $object_id, $field_id, $params['meta_value'] ?? '', $params['delete_all'] ?? false );
    }

    // endregion

    // region HELPERS

    /**
     * Ensures parameters needed for working with multisite read/update/delete operations are present.
     *
     * @since   1.0.0
     * @version 1.0.0
     *
     * @param   array   $params     Parameters to parse.
     *
     * @return  array
     */
    protected function parse_network_params( array $params ): array {
        return \wp_parse_args(
            $params,
            array(
                'network_id' => false,  // set to NULL or INT to use network-level options
                'blog_id'    => null,   // set to INT to switch to a certain blog
            )
        );
    }

    // endregion
}