generated from pascalmartineau/wp-skeleton
139 lines
3.8 KiB
PHP
139 lines
3.8 KiB
PHP
<?php
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// Register GraphQL types and fields for breadcrumbs
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add_action( 'graphql_register_types', 'ccat_register_breadcrumb_graphql_types' );
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function ccat_register_breadcrumb_graphql_types() {
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register_graphql_object_type(
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'BreadcrumbItem',
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array(
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'description' => 'A single breadcrumb item',
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'fields' => array(
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'label' => array(
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'type' => array( 'non_null' => 'String' ),
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'description' => 'The display label for the breadcrumb',
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),
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'to' => array(
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'type' => 'String',
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'description' => 'The to for the breadcrumb link (null for current page)',
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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 'breadcrumbs' field to all Node types
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add_action( 'graphql_register_types', 'ccat_register_breadcrumb_graphql_fields' );
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function ccat_register_breadcrumb_graphql_fields() {
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register_graphql_field(
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'Node',
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'breadcrumbs',
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array(
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'type' => array(
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'list_of' => array( 'non_null' => 'BreadcrumbItem' ),
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),
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'description' => 'Breadcrumb navigation items for this content',
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'resolve' => function ( $node ) {
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return array_map(
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function ( $item ) {
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return array(
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'label' => html_entity_decode( $item['label'], ENT_QUOTES, 'UTF-8' ),
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'to' => $item['to'] ?? null,
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);
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},
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ccat_get_breadcrumbs( $node )
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);
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},
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)
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);
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}
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// Helper: Get breadcrumbs for a given node
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function ccat_get_breadcrumbs( $node ) {
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$breadcrumbs = array();
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if ( ! $node ) {
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return $breadcrumbs;
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}
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if ( $node instanceof \WPGraphQL\Model\Post ) {
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$post = get_post( $node->databaseId );
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if ( $post ) {
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$breadcrumbs = ccat_get_post_breadcrumbs( $post );
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$breadcrumbs[] = array(
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'label' => get_the_title( $post->ID ),
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'to' => null,
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);
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}
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} elseif ( $node instanceof \WPGraphQL\Model\Term ) {
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$term = get_term( $node->databaseId );
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if ( $term && ! is_wp_error( $term ) ) {
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$breadcrumbs = ccat_get_term_breadcrumbs( $term );
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$breadcrumbs[] = array(
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'label' => $term->name,
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'to' => null,
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);
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}
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}
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return $breadcrumbs;
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}
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// Helper: Get breadcrumbs for a given post
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function ccat_get_post_breadcrumbs( WP_Post $post ) {
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$breadcrumbs = array();
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$is_front_page = get_option( 'show_on_front' ) === 'page' && (int) get_option( 'page_on_front' ) === $post->ID;
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if ( $is_front_page ) {
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return $breadcrumbs; // No breadcrumbs for the front page
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} else {
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$breadcrumbs[] = array(
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'label' => 'Accueil',
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'to' => '/',
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);
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}
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$post_type = get_post_type( $post->ID );
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switch ( $post_type ) {
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case 'page':
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$ancestors = get_post_ancestors( $post->ID );
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if ( ! empty( $ancestors ) ) {
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$ancestors = array_reverse( $ancestors );
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foreach ( $ancestors as $ancestor_id ) {
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$breadcrumbs[] = array(
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'label' => get_the_title( $ancestor_id ),
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'to' => str_replace( home_url(), '', get_permalink( $ancestor_id ) ),
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);
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}
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}
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break;
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default:
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if ( ! empty( $post_id = get_option( "page_for_$post_type" ) ) ) {
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$breadcrumbs[] = array(
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'label' => get_the_title( $post_id ),
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'to' => str_replace( home_url(), '', get_permalink( $post_id ) ),
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);
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}
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break;
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}
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return $breadcrumbs;
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}
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// Helper: Get breadcrumbs for a given term
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function ccat_get_term_breadcrumbs( WP_Term $term ) {
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$breadcrumbs = array();
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$taxonomy = $term->taxonomy;
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if ( $term->parent ) {
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$ancestors = get_ancestors( $term->term_id, $taxonomy );
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if ( ! empty( $ancestors ) ) {
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$ancestors = array_reverse( $ancestors );
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foreach ( $ancestors as $ancestor_id ) {
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$ancestor_term = get_term( $ancestor_id, $taxonomy );
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if ( $ancestor_term && ! is_wp_error( $ancestor_term ) ) {
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$breadcrumbs[] = array(
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'label' => $ancestor_term->name,
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'to' => str_replace( home_url(), '', get_term_link( $ancestor_term ) ),
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);
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}
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}
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}
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}
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return $breadcrumbs;
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}
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