woothemes / woocommerce

				'coupon'    => 'coupon_lines',

			);

			foreach ( $lines as $line_type => $line ) {

				if ( isset( $data[ $line ] ) && is_array( $data[ $line ] ) ) {

					$set_item = "set_{$line_type}";

					foreach ( $data[ $line ] as $item ) {

						$this->$set_item( $order, $item, 'create' );

					}

				}

			}

			// calculate totals and set them

			$order->calculate_totals();

				'coupon'    => 'coupon_lines',

			);

			foreach ( $lines as $line_type => $line ) {

				if ( is_array( $request[ $line ] ) ) {

					foreach ( $request[ $line ] as $item ) {

						$set_item = 'set_' . $line_type;

						$new_item = $this->$set_item( $order, $item, 'create' );

					}

				}

			}

			// Calculate totals and set them.

			$order->calculate_totals();