*/
protected static array $rendering = [];
public function __construct() {
add_shortcode( 'storeengine_single_product', array( $this, 'render' ) );
}
/**
* @param array|string $atts Shortcode attributes.
*/
public function render( $atts = [] ): string {
$atts = shortcode_atts(
[
'id' => 0,
'slug' => '',
],
$atts,
'storeengine_single_product'
);
$product_id = $this->resolve_product_id( $atts );
if ( $product_id ) {
return $this->render_product( $product_id );
}
// Legacy, attribute-less form: render the queried product.
ob_start();
Template::get_template( 'single-product.php' );
$output = Helper::remove_line_break( ob_get_clean() );
return Helper::remove_tag_space( $output );
}
/**
* Turn the `id` / `slug` attributes into a product id.
*
* @param array $atts Parsed attributes.
*/
protected function resolve_product_id( array $atts ): int {
$id = absint( $atts['id'] );
if ( $id ) {
return $id;
}
$slug = sanitize_title( (string) $atts['slug'] );
if ( ! $slug ) {
return 0;
}
$post = get_page_by_path( $slug, OBJECT, Helper::PRODUCT_POST_TYPE );
return $post ? (int) $post->ID : 0;
}
/**
* Render one product's single-product content, standalone.
*
* @param int $product_id Product id.
*/
protected function render_product( int $product_id ): string {
$post = get_post( $product_id );
if ( ! $post || Helper::PRODUCT_POST_TYPE !== $post->post_type ) {
return '';
}
// Embedding must not become a way to read a draft/private/trashed
// product that the visitor could not open directly.
if ( 'publish' !== $post->post_status && ! current_user_can( 'read_post', $product_id ) ) {
return '';
}
if ( isset( self::$rendering[ $product_id ] ) ) {
return '';
}
$product = Helper::get_product( $product_id );
if ( ! $product ) {
return '';
}
self::$rendering[ $product_id ] = true;
// Swap the globals the single-product templates read from, remembering
// whatever loop we may have interrupted.
$prev_post = $GLOBALS['post'] ?? null;
$prev_product = $GLOBALS['product'] ?? null;
$GLOBALS['post'] = $post; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
$GLOBALS['product'] = $product; // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
setup_postdata( $post );
ob_start();
echo '';
Template::get_template_part( 'content', 'single-product' );
echo '
';
$html = ob_get_clean();
$GLOBALS['post'] = $prev_post; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
$GLOBALS['product'] = $prev_product; // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
if ( $prev_post instanceof \WP_Post ) {
setup_postdata( $prev_post );
} else {
wp_reset_postdata();
}
unset( self::$rendering[ $product_id ] );
// Deliberately not run through Helper::remove_line_break() like the
// legacy path above: it collapses every whitespace run, which would
// flatten blocks inside a merchant's product description.
return $html;
}
}