split printify package

gistfile1.txt

if ( ! class_exists( 'Pisol_Split_Shipping_20250910' ) ) {

	class Pisol_Split_Shipping_20250910 {

		private static $instance = null;
		private $shipping_class_id = 280; // Replace with your shipping class ID

		private function __construct() {
			add_filter( 'woocommerce_cart_shipping_packages', [ $this, 'split_packages' ], PHP_INT_MAX );
		}

		public static function get_instance() {
			if ( is_null( self::$instance ) ) {
				self::$instance = new self();
			}
			return self::$instance;
		}

		public function split_packages( $packages ) {

			$subtotal_of_free_shipping_class_product = $this->get_free_shipping_class_subtotal();

			$country = WC()->customer->get_shipping_country();

			if($country == 'US' && $subtotal_of_free_shipping_class_product < 99){
				return $packages;
			}

			if($country == 'CA' && $subtotal_of_free_shipping_class_product < 135){
				return $packages;
			}

			$new_package = array(
				'contents'        => array(),
				'contents_cost'   => 0,
				'applied_coupons' => WC()->cart->get_applied_coupons(),
				'user'            => array(
					'ID' => get_current_user_id(),
				),
				'destination'     => array(
					'country'   => WC()->customer->get_shipping_country(),
					'state'     => WC()->customer->get_shipping_state(),
					'postcode'  => WC()->customer->get_shipping_postcode(),
					'city'      => WC()->customer->get_shipping_city(),
					'address'   => WC()->customer->get_shipping_address(),
					'address_2' => WC()->customer->get_shipping_address_2(),
				),
			);

			foreach ( $packages as $p_index => &$package ) {
				foreach ( $package['contents'] as $item_key => $item ) {
					$product = $item['data'];
					if ( $product->get_shipping_class_id() == $this->shipping_class_id ) {
						// Move this item to the new package
						$new_package['contents'][ $item_key ] = $item;
						$new_package['contents_cost'] += $item['line_total'];

						// Remove from current package
						unset( $package['contents'][ $item_key ] );
						$package['contents_cost'] -= $item['line_total'];
					}
				}
			}

			// Remove empty packages
			$packages = array_filter( $packages, function( $pkg ) {
				return ! empty( $pkg['contents'] );
			});

			// Reindex
			$packages = array_values( $packages );

			// Add new package if needed
			if ( ! empty( $new_package['contents'] ) ) {
				$packages[] = $new_package;
			}

			return $packages;
		}

		/**
		 * Get subtotal of products with the defined shipping class in the cart
		 */
		public function get_free_shipping_class_subtotal() {
			$subtotal = 0;

			if ( ! WC()->cart ) {
				return $subtotal;
			}

			foreach ( WC()->cart->get_cart() as $cart_item ) {
				$product = $cart_item['data'];
				if ( $product && $product->get_shipping_class_id() == $this->shipping_class_id ) {
					$subtotal += $cart_item['line_subtotal']; // before discounts
					// Or use $cart_item['line_total'] if you want after discounts
				}
			}

			return $subtotal;
		}
	}

	Pisol_Split_Shipping_20250910::get_instance();
}