renderer = new Renderer();
}
/**
* Setup REST endpoints for the feature.
*/
public function setup_endpoints() {
register_rest_route(
'elasticpress/v1',
'facets/taxonomies',
[
'methods' => 'GET',
'permission_callback' => [ $this, 'check_facets_taxonomies_rest_permission' ],
'callback' => [ $this, 'get_rest_facetable_taxonomies' ],
]
);
register_rest_route(
'elasticpress/v1',
'facets/block-preview',
[
'methods' => 'GET',
'permission_callback' => [ $this, 'check_facets_taxonomies_rest_permission' ],
'callback' => [ $this, 'render_block_preview' ],
'args' => [
'facet' => [
'sanitize_callback' => 'sanitize_text_field',
],
'orderby' => [
'sanitize_callback' => 'sanitize_text_field',
],
'order' => [
'sanitize_callback' => 'sanitize_text_field',
],
],
]
);
}
/**
* Check permissions of the /facets/taxonomies REST endpoint.
*
* @return WP_Error|true
*/
public function check_facets_taxonomies_rest_permission() {
if ( ! is_user_logged_in() ) {
return new \WP_Error( 'ep_rest_forbidden', esc_html__( 'Sorry, you cannot view this resource.', 'elasticpress' ), array( 'status' => 401 ) );
}
return true;
}
/**
* Return an array of taxonomies, their name, plural label, and a sample of terms.
*
* @return array
*/
public function get_rest_facetable_taxonomies() {
$taxonomies_raw = Features::factory()->get_registered_feature( 'facets' )->get_facetable_taxonomies();
$taxonomies = [];
foreach ( $taxonomies_raw as $slug => $taxonomy ) {
$terms_sample = get_terms(
[
'taxonomy' => $slug,
'number' => 20,
]
);
if ( is_array( $terms_sample ) ) {
// This way we make sure it will be an array in the outputted JSON.
$terms_sample = array_values( $terms_sample );
} else {
$terms_sample = [];
}
$taxonomies[ $slug ] = [
'label' => $taxonomy->label,
'plural' => $taxonomy->labels->name,
'terms' => $terms_sample,
];
}
return $taxonomies;
}
/**
* Register the block.
*/
public function register_block() {
register_block_type_from_metadata(
EP_PATH . 'assets/js/blocks/facets',
[
'render_callback' => [ $this, 'render_block' ],
]
);
}
/**
* Render the block.
*
* @param array $attributes Block attributes.
*/
public function render_block( $attributes ) {
$attributes = $this->parse_attributes( $attributes );
ob_start();
?>
renderer->render( [], $attributes ); ?>
get_registered_feature( 'search' );
$wp_query = new \WP_Query(
[
'post_type' => $search->get_searchable_post_types(),
'per_page' => 1,
]
);
$attributes = $this->parse_attributes(
[
'facet' => $request->get_param( 'facet' ),
'orderby' => $request->get_param( 'orderby' ),
'order' => $request->get_param( 'order' ),
]
);
ob_start();
$this->renderer->render( [], $attributes );
$block_content = ob_get_clean();
if ( empty( $block_content ) ) {
$taxonomy = get_taxonomy( $attributes['facet'] );
if ( ! $taxonomy ) {
return esc_html__( 'Invalid taxonomy selected.', 'elasticpress' );
}
return sprintf(
/* translators: Taxonomy name */
esc_html__( 'Term preview for %s not available', 'elasticpress' ),
esc_html( $taxonomy->labels->name )
);
}
$block_content = preg_replace( '/href="(.*?)"/', 'href="#"', $block_content );
return '' . $block_content . '
';
}
/**
* Utilitary method to set default attributes.
*
* @param array $attributes Attributes passed
* @return array
*/
protected function parse_attributes( $attributes ) {
$attributes = wp_parse_args(
$attributes,
[
'facet' => '',
'orderby' => 'count',
'order' => 'desc',
]
);
if ( empty( $attributes['facet'] ) ) {
$taxonomies = Features::factory()->get_registered_feature( 'facets' )->get_facetable_taxonomies();
if ( ! empty( $taxonomies ) ) {
$attributes['facet'] = key( $taxonomies );
}
}
return $attributes;
}
}