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<?php |
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/** |
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* Various callbacks to augment WP GraphQL by adding types, fields, etc. |
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* |
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* @package FaustWP |
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*/ |
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|
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namespace WPE\FaustWP\GraphQL; |
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|
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use function WPE\FaustWP\Auth\generate_authorization_code; |
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use GraphQL\Type\Definition\ResolveInfo; |
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use WPGraphQL\AppContext; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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add_action( 'graphql_register_types', __NAMESPACE__ . '\\register_templates_field' ); |
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/** |
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* Registers templates field on the UniformResourceIdentifiable type in WP GraphQL. This templates field lists out the |
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* templates that WordPress would typically try to locate and load for a given URI. |
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* |
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* A good amount of the logic in the resolver for this type is extracted from WordPress' template-loader.php file. It's |
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* important that we keep this in sync as much as possible to ensure that the returned array is consistent with what |
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* WordPress would actually do. |
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* |
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* @return void |
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* |
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* @uses WPE\FaustWP\GraphQL\log_template_hierarchy |
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* @uses WPE\FaustWP\GraphQL\template_hierarchy_types |
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* @uses WPE\FaustWP\GraphQL\get_conditional_tags |
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* |
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* @see template-loader.php |
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* @uses register_graphql_field |
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*/ |
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function register_templates_field() { |
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register_graphql_field( |
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'UniformResourceIdentifiable', |
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'templates', |
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array( |
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'type' => array( 'list_of' => 'String' ), |
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'resolve' => __NAMESPACE__ . '\\templates_resolver', |
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) |
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); |
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} |
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|
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add_action( 'graphql_register_types', __NAMESPACE__ . '\\register_faust_toolbar_field' ); |
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/** |
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* Registers a field on the User model called "shouldShowFaustToolbar" which |
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* gets the user's WP Admin toolbar preference. This is then used to conditionally |
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* show the Faust toolbar on the headless frontend. |
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* |
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* @return void |
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* |
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* @uses register_graphql_field |
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* @uses wp_get_current_user |
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* @uses get_user_meta |
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*/ |
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function register_faust_toolbar_field() { |
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register_graphql_field( |
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'User', |
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'shouldShowFaustToolbar', |
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array( |
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'type' => 'Boolean', |
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'resolve' => function() { |
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$user = wp_get_current_user(); |
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$toolbar_preference_meta = get_user_meta( $user->ID, 'show_admin_bar_front', true ); |
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|
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return 'true' === $toolbar_preference_meta ? true : false; |
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}, |
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) |
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); |
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} |
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|
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add_action( 'graphql_register_types', __NAMESPACE__ . '\\register_global_stylesheet_field' ); |
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/** |
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* Registers a field on the User model called "globalStylesheet" which |
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* returns the stylesheet resulting of merging core, theme, and user data. |
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* |
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* @return void |
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* |
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* @uses register_graphql_enum_type |
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* @uses register_graphql_field |
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* @uses wp_get_global_stylesheet |
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* |
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* @link https://developer.wordpress.org/reference/functions/wp_get_global_stylesheet/ |
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*/ |
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function register_global_stylesheet_field() { |
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register_graphql_enum_type( |
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'GlobalStylesheetTypesEnum', |
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array( |
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'description' => __( 'Types of styles to load', 'faustwp' ), |
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'values' => array( |
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'VARIABLES' => array( |
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'value' => 'variables', |
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), |
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'PRESETS' => array( |
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'value' => 'presets', |
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), |
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'STYLES' => array( |
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'value' => 'styles', |
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), |
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'BASE_LAYOUT_STYLES' => array( |
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'value' => 'base-layout-styles', |
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), |
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), |
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) |
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); |
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|
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register_graphql_field( |
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'RootQuery', |
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'globalStylesheet', |
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array( |
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'type' => 'String', |
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'args' => array( |
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'types' => array( |
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'type' => array( 'list_of' => 'GlobalStylesheetTypesEnum' ), |
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'description' => __( 'Types of styles to load.', 'faustwp' ), |
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), |
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), |
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'description' => __( 'Returns the stylesheet resulting of merging core, theme, and user data.', 'faustwp' ), |
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'resolve' => function( $root, $args, $context, $info ) { |
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$types = $args['types'] ?? null; |
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|
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return wp_get_global_stylesheet( $types ); |
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}, |
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) |
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); |
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} |
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|
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/** |
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* Resolver for getting the templates that will be loaded on a given node |
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* |
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* @param array $root GraphQL Root Object. |
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* @param array $args Args passed to query. |
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* @param AppContext $context The context of the query to pass along. |
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* @param ResolveInfo $info The ResolveInfo object. |
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* |
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* @return array|string[] |
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*/ |
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function templates_resolver( $root, $args, AppContext $context, ResolveInfo $info ) { |
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global $wp_query; |
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global $faustwp_checked_templates; |
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$faustwp_checked_templates = array(); |
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|
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// Loop through each of the template conditionals, and find the appropriate template file. |
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foreach ( template_hierarchy_types() as $type ) { |
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add_filter( "{$type}_template_hierarchy", __NAMESPACE__ . '\\log_template_hierarchy' ); |
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} |
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|
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$template = false; |
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|
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/** |
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* Force $wp_query to initialize as WP GraphQL does not always parse the query. This is important for getting |
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* all of the templates for the site root. |
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*/ |
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$wp_query->parse_query(); |
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|
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foreach ( get_conditional_tags() as $tag => $tag_info ) { |
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if ( empty( $tag_info['template_getter'] ) ) { |
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continue; |
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} |
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|
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$template_getter = $tag_info['template_getter']; |
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|
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if ( call_user_func( $tag ) ) { |
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$template = call_user_func( $template_getter ); |
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} |
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|
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if ( $template ) { |
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if ( 'is_attachment' === $tag ) { |
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remove_filter( 'the_content', 'prepend_attachment' ); |
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} |
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|
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break; |
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} |
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} |
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|
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foreach ( template_hierarchy_types() as $type ) { |
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remove_filter( "{$type}_template_hierarchy", __NAMESPACE__ . '\\log_template_hierarchy' ); |
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} |
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|
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/* Strip PHP extension from the checked templates */ |
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$faustwp_checked_templates = array_map( |
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function ( $template ) { |
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return basename( $template, '.php' ); |
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}, |
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$faustwp_checked_templates |
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); |
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|
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/** |
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* Add index as the default template. |
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*/ |
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return array_unique( array_merge( $faustwp_checked_templates, array( 'index' ) ) ); |
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} |
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|
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/** |
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* Callback to log the templates that will be located by WordPress into a global variable. |
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* |
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* @param string[] $templates Templates being loaded. |
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* |
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* @return array |
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*/ |
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function log_template_hierarchy( $templates ) { |
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global $faustwp_checked_templates; |
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$faustwp_checked_templates = array_merge( $faustwp_checked_templates, $templates ); |
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return $faustwp_checked_templates; |
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} |
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|
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add_action( 'graphql_register_types', __NAMESPACE__ . '\\register_conditional_tags_field' ); |
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/** |
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* Adds ConditionalTags type and registers it as a field on the UniformResourceIdentifiable type. This type handles |
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* evaluating the supported conditional tags and providing it over GraphQL for a given URI. |
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* |
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* @return void |
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* @uses register_graphql_field |
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* @uses WPE\FaustWP\GraphQL\get_conditional_tags |
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* |
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* @uses register_graphql_object_type |
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* |
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* @deprecated |
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*/ |
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function register_conditional_tags_field() { |
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register_graphql_object_type( |
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'ConditionalTags', |
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array( |
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'description' => __( 'GraphQL representation of WordPress Conditional Tags.', 'faustwp' ), |
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'fields' => array_map( |
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function ( $tag ) { |
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return array( |
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'type' => 'Boolean', |
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'deprecationReason' => __( 'Deprecated in favor of using Next.js pages', 'faustwp' ), |
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'description' => $tag['description'], |
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); |
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}, |
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array_combine( |
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array_map( |
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'\WPE\FaustWP\Utilities\camelcase', |
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array_keys( get_conditional_tags() ) |
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), |
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array_values( get_conditional_tags() ) |
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) |
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), |
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) |
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); |
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|
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register_graphql_field( |
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'UniformResourceIdentifiable', |
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'conditionalTags', |
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array( |
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'type' => 'ConditionalTags', |
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'deprecationReason' => __( 'Deprecated in favor of using Next.js pages', 'faustwp' ), |
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'resolve' => __NAMESPACE__ . '\\conditional_tags_resolver', |
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) |
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); |
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} |
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|
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/** |
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* Resolver for conditionalTags field. |
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* |
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* @param array $root GraphQL Root Object. |
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* @param array $args Args passed to query. |
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* @param AppContext $context The context of the query to pass along. |
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* @param ResolveInfo $info The ResolveInfo object. |
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* |
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* @return array |
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*/ |
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function conditional_tags_resolver( $root, $args, AppContext $context, ResolveInfo $info ) { |
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$conditional_tag_values = array(); |
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|
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foreach ( get_conditional_tags() as $tag => $tag_info ) { |
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$conditional_tag_values[ \WPE\FaustWP\Utilities\camelcase( $tag ) ] = $tag(); |
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} |
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|
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return $conditional_tag_values; |
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} |
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|
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add_action( 'graphql_register_types', __NAMESPACE__ . '\\register_generate_ac_mutation' ); |
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/** |
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* Register a mutation for exchanging a username/email and password for a short-lived authorization code. |
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* |
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* @return void |
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*/ |
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function register_generate_ac_mutation() { |
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register_graphql_mutation( |
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'generateAuthorizationCode', |
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array( |
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'inputFields' => array( |
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'username' => array( |
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'type' => 'String', |
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'description' => __( 'Username for WordPress user', 'faustwp' ), |
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), |
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'email' => array( |
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'type' => 'String', |
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'description' => __( 'Email for WordPress user', 'faustwp' ), |
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), |
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'password' => array( |
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'type' => 'String', |
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'description' => __( 'Password for WordPress user', 'faustwp' ), |
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), |
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), |
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'outputFields' => array( |
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'code' => array( |
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'type' => 'String', |
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'description' => __( 'Authorization code used for requesting refresh/access tokens', 'faustwp' ), |
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), |
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'error' => array( |
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'type' => 'String', |
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'description' => __( 'Error encountered during user authentication, if any', 'faustwp' ), |
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), |
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), |
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'mutateAndGetPayload' => function( $input, $context, $info ) { |
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$is_email = isset( $input['email'] ) ? true : false; |
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$username = isset( $input['username'] ) ? $input['username'] : null; |
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$email = isset( $input['email'] ) ? $input['email'] : null; |
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$password = isset( $input['password'] ) ? $input['password'] : null; |
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|
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if ( $is_email ) { |
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$authenticate = wp_authenticate_email_password( |
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null, |
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$email, |
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$password |
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); |
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|
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$user = get_user_by( 'email', $email ); |
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} else { |
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$authenticate = wp_authenticate_username_password( |
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null, |
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$username, |
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$password |
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); |
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|
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$user = get_user_by( 'login', $username ); |
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} |
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|
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if ( is_wp_error( $authenticate ) ) { |
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return array( |
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'code' => null, |
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'error' => $authenticate->get_error_message(), |
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); |
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} |
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|
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// Generate an authorization code that expires in 1 minute. |
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$code = generate_authorization_code( $user, MINUTE_IN_SECONDS * 1 ); |
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|
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return array( |
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'code' => $code, |
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'error' => null, |
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); |
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}, |
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) |
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); |
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} |
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|
