display strike-through price for cart item subtotal

display strike-through price for cart item subtotal

class Fkcart_Cart_item_cut_Price {
	public function __construct() {
		add_action( 'fkcart_after_header', [ $this, 'attach_action' ] );
	}

	public function attach_action() {
		add_filter( 'woocommerce_cart_item_subtotal', [ $this, 'display_strike_price' ], 999, 2 );
	}

	public function display_strike_price( $price, $cart_item ) {
		$product = $cart_item['data'];
		$qty     = $cart_item['quantity'];
		/**
		 * @var $product WC_Product;
		 */
		$regular = $product->get_regular_price() * $qty;
		$price   = $this->get_product_subtotal( $product, $qty );


		if ( $regular > 0 && ( round( $price, 2 ) !== round( $regular, 2 ) ) ) {
			if ( $price > $regular ) {
				$price_html = wc_price( $price );
			} else {
				$price_html = wc_format_sale_price( $regular, $price );
			}
		} else {
			$price_html = wc_price( $price );
		}


		return $price_html;

	}

	public function get_product_subtotal( $product, $quantity = 1 ) {
		$price = $product->get_price();

		if ( $product->is_taxable() ) {
			if ( WC()->cart->display_prices_including_tax() ) {
				$row_price = wc_get_price_including_tax( $product, array( 'qty' => $quantity ) );
			} else {
				$row_price = wc_get_price_excluding_tax( $product, array( 'qty' => $quantity ) );
			}
		} else {
			$row_price = (float) $price * (float) $quantity;

		}

		return $row_price;
	}

}

new Fkcart_Cart_item_cut_Price();