Noptin_WooCommerce::get_product_details( $product_id )

	public function get_product_details( $product_id ) {
		$product = wc_get_product( $product_id );

		if ( empty( $product ) || ! $product->is_purchasable() ) {
			return array();
		}

		$details = array(
			'id'                 => $product->get_id(),
			'name'               => $product->get_name(),
			'description'        => $product->get_short_description(),
			'url'                => $product->get_permalink(),
			'price'              => $product->get_price(),
			'type'               => $product->get_type(),
			'sku'                => $product->get_sku(),
			'inventory_quantity' => 0,
			'variations'         => array(),
		);

		// Gallery images.
		$images = $product->get_gallery_image_ids();

		// Add featured image to the beginning.
		array_unshift( $images, $product->get_image_id() );

		// Remove duplicate and empty values.
		$images = array_unique( array_filter( $images ) );

		// Convert image ids to urls.
		$details['images'] = array_filter( array_map( 'wp_get_attachment_url', $images ) );

		// Variations.
		$variations = $product->get_children();

		foreach ( $variations as $variation ) {
			$variation = $this->get_product_details( $variation );

			if ( empty( $variation ) ) {
				continue;
			}

			$details['variations'][] = $variation;

		}

		if ( empty( $details['variations'] ) ) {
			unset( $details['variations'] );
			$details['inventory_quantity'] = $product->get_stock_quantity();
		}

		return $details;

	}