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| Current File : /home1/savoy/sportsmeet.net/wp-content/plugins/woocommerce/includes/class-wc-shipping.php |
<?php
/**
* WooCommerce Shipping
*
* Handles shipping and loads shipping methods via hooks.
*
* @version 2.6.0
* @package WooCommerce/Classes/Shipping
*/
use Automattic\Jetpack\Constants;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Shipping class.
*/
class WC_Shipping {
/**
* True if shipping is enabled.
*
* @var bool
*/
public $enabled = false;
/**
* Stores methods loaded into woocommerce.
*
* @var array|null
*/
public $shipping_methods = null;
/**
* Stores the shipping classes.
*
* @var array
*/
public $shipping_classes = array();
/**
* Stores packages to ship and to get quotes for.
*
* @var array
*/
public $packages = array();
/**
* The single instance of the class
*
* @var WC_Shipping
* @since 2.1
*/
protected static $_instance = null;
/**
* Main WC_Shipping Instance.
*
* Ensures only one instance of WC_Shipping is loaded or can be loaded.
*
* @since 2.1
* @return WC_Shipping Main instance
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Cloning is forbidden.
*
* @since 2.1
*/
public function __clone() {
wc_doing_it_wrong( __FUNCTION__, __( 'Cloning is forbidden.', 'woocommerce' ), '2.1' );
}
/**
* Unserializing instances of this class is forbidden.
*
* @since 2.1
*/
public function __wakeup() {
wc_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'woocommerce' ), '2.1' );
}
/**
* Magic getter.
*
* @param string $name Property name.
* @return mixed
*/
public function __get( $name ) {
// Grab from cart for backwards compatibility with versions prior to 3.2.
if ( 'shipping_total' === $name ) {
return WC()->cart->get_shipping_total();
}
if ( 'shipping_taxes' === $name ) {
return WC()->cart->get_shipping_taxes();
}
}
/**
* Initialize shipping.
*/
public function __construct() {
$this->enabled = wc_shipping_enabled();
if ( $this->enabled ) {
$this->init();
}
}
/**
* Initialize shipping.
*/
public function init() {
do_action( 'woocommerce_shipping_init' );
}
/**
* Shipping methods register themselves by returning their main class name through the woocommerce_shipping_methods filter.
*
* @return array
*/
public function get_shipping_method_class_names() {
// Unique Method ID => Method Class name.
$shipping_methods = array(
'flat_rate' => 'WC_Shipping_Flat_Rate',
'free_shipping' => 'WC_Shipping_Free_Shipping',
'local_pickup' => 'WC_Shipping_Local_Pickup',
);
// For backwards compatibility with 2.5.x we load any ENABLED legacy shipping methods here.
$maybe_load_legacy_methods = array( 'flat_rate', 'free_shipping', 'international_delivery', 'local_delivery', 'local_pickup' );
foreach ( $maybe_load_legacy_methods as $method ) {
$options = get_option( 'woocommerce_' . $method . '_settings' );
if ( $options && isset( $options['enabled'] ) && 'yes' === $options['enabled'] ) {
$shipping_methods[ 'legacy_' . $method ] = 'WC_Shipping_Legacy_' . $method;
}
}
return apply_filters( 'woocommerce_shipping_methods', $shipping_methods );
}
/**
* Loads all shipping methods which are hooked in.
* If a $package is passed some methods may add themselves conditionally and zones will be used.
*
* @param array $package Package information.
* @return WC_Shipping_Method[]
*/
public function load_shipping_methods( $package = array() ) {
if ( ! empty( $package ) ) {
$debug_mode = 'yes' === get_option( 'woocommerce_shipping_debug_mode', 'no' );
$shipping_zone = WC_Shipping_Zones::get_zone_matching_package( $package );
$this->shipping_methods = $shipping_zone->get_shipping_methods( true );
// translators: %s: shipping zone name.
$matched_zone_notice = sprintf( __( 'Customer matched zone "%s"', 'woocommerce' ), $shipping_zone->get_zone_name() );
// Debug output.
if ( $debug_mode && ! Constants::is_defined( 'WOOCOMMERCE_CHECKOUT' ) && ! Constants::is_defined( 'WC_DOING_AJAX' ) && ! wc_has_notice( $matched_zone_notice ) ) {
wc_add_notice( $matched_zone_notice );
}
} else {
$this->shipping_methods = array();
}
// For the settings in the backend, and for non-shipping zone methods, we still need to load any registered classes here.
foreach ( $this->get_shipping_method_class_names() as $method_id => $method_class ) {
$this->register_shipping_method( $method_class );
}
// Methods can register themselves manually through this hook if necessary.
do_action( 'woocommerce_load_shipping_methods', $package );
// Return loaded methods.
return $this->get_shipping_methods();
}
/**
* Register a shipping method.
*
* @param object|string $method Either the name of the method's class, or an instance of the method's class.
*
* @return bool|void
*/
public function register_shipping_method( $method ) {
if ( ! is_object( $method ) ) {
if ( ! class_exists( $method ) ) {
return false;
}
$method = new $method();
}
if ( is_null( $this->shipping_methods ) ) {
$this->shipping_methods = array();
}
$this->shipping_methods[ $method->id ] = $method;
}
/**
* Unregister shipping methods.
*/
public function unregister_shipping_methods() {
$this->shipping_methods = null;
}
/**
* Returns all registered shipping methods for usage.
*
* @return WC_Shipping_Method[]
*/
public function get_shipping_methods() {
if ( is_null( $this->shipping_methods ) ) {
$this->load_shipping_methods();
}
return $this->shipping_methods;
}
/**
* Get an array of shipping classes.
*
* @return array
*/
public function get_shipping_classes() {
if ( empty( $this->shipping_classes ) ) {
$classes = get_terms(
'product_shipping_class',
array(
'hide_empty' => '0',
'orderby' => 'name',
)
);
$this->shipping_classes = ! is_wp_error( $classes ) ? $classes : array();
}
return apply_filters( 'woocommerce_get_shipping_classes', $this->shipping_classes );
}
/**
* Calculate shipping for (multiple) packages of cart items.
*
* @param array $packages multi-dimensional array of cart items to calc shipping for.
* @return array Array of calculated packages.
*/
public function calculate_shipping( $packages = array() ) {
$this->packages = array();
if ( ! $this->enabled || empty( $packages ) ) {
return array();
}
// Calculate costs for passed packages.
foreach ( $packages as $package_key => $package ) {
$this->packages[ $package_key ] = $this->calculate_shipping_for_package( $package, $package_key );
}
/**
* Allow packages to be reorganized after calculating the shipping.
*
* This filter can be used to apply some extra manipulation after the shipping costs are calculated for the packages
* but before WooCommerce does anything with them. A good example of usage is to merge the shipping methods for multiple
* packages for marketplaces.
*
* @since 2.6.0
*
* @param array $packages The array of packages after shipping costs are calculated.
*/
$this->packages = array_filter( (array) apply_filters( 'woocommerce_shipping_packages', $this->packages ) );
return $this->packages;
}
/**
* See if package is shippable.
*
* Packages are shippable until proven otherwise e.g. after getting a shipping country.
*
* @param array $package Package of cart items.
* @return bool
*/
public function is_package_shippable( $package ) {
// Packages are shippable until proven otherwise.
if ( empty( $package['destination']['country'] ) ) {
return true;
}
$allowed = array_keys( WC()->countries->get_shipping_countries() );
return in_array( $package['destination']['country'], $allowed, true );
}
/**
* Calculate shipping rates for a package,
*
* Calculates each shipping methods cost. Rates are stored in the session based on the package hash to avoid re-calculation every page load.
*
* @param array $package Package of cart items.
* @param int $package_key Index of the package being calculated. Used to cache multiple package rates.
*
* @return array|bool
*/
public function calculate_shipping_for_package( $package = array(), $package_key = 0 ) {
// If shipping is disabled or the package is invalid, return false.
if ( ! $this->enabled || empty( $package ) ) {
return false;
}
$package['rates'] = array();
// If the package is not shippable, e.g. trying to ship to an invalid country, do not calculate rates.
if ( $this->is_package_shippable( $package ) ) {
// Check if we need to recalculate shipping for this package.
$package_to_hash = $package;
// Remove data objects so hashes are consistent.
foreach ( $package_to_hash['contents'] as $item_id => $item ) {
unset( $package_to_hash['contents'][ $item_id ]['data'] );
}
// Get rates stored in the WC session data for this package.
$wc_session_key = 'shipping_for_package_' . $package_key;
$stored_rates = WC()->session->get( $wc_session_key );
// Calculate the hash for this package so we can tell if it's changed since last calculation.
$package_hash = 'wc_ship_' . md5( wp_json_encode( $package_to_hash ) . WC_Cache_Helper::get_transient_version( 'shipping' ) );
if ( ! is_array( $stored_rates ) || $package_hash !== $stored_rates['package_hash'] || 'yes' === get_option( 'woocommerce_shipping_debug_mode', 'no' ) ) {
foreach ( $this->load_shipping_methods( $package ) as $shipping_method ) {
if ( ! $shipping_method->supports( 'shipping-zones' ) || $shipping_method->get_instance_id() ) {
/**
* Fires before getting shipping rates for a package.
*
* @since 4.3.0
* @param array $package Package of cart items.
* @param WC_Shipping_Method $shipping_method Shipping method instance.
*/
do_action( 'woocommerce_before_get_rates_for_package', $package, $shipping_method );
// Use + instead of array_merge to maintain numeric keys.
$package['rates'] = $package['rates'] + $shipping_method->get_rates_for_package( $package );
/**
* Fires after getting shipping rates for a package.
*
* @since 4.3.0
* @param array $package Package of cart items.
* @param WC_Shipping_Method $shipping_method Shipping method instance.
*/
do_action( 'woocommerce_after_get_rates_for_package', $package, $shipping_method );
}
}
// Filter the calculated rates.
$package['rates'] = apply_filters( 'woocommerce_package_rates', $package['rates'], $package );
// Store in session to avoid recalculation.
WC()->session->set(
$wc_session_key,
array(
'package_hash' => $package_hash,
'rates' => $package['rates'],
)
);
} else {
$package['rates'] = $stored_rates['rates'];
}
}
return $package;
}
/**
* Get packages.
*
* @return array
*/
public function get_packages() {
return $this->packages;
}
/**
* Reset shipping.
*
* Reset the totals for shipping as a whole.
*/
public function reset_shipping() {
unset( WC()->session->chosen_shipping_methods );
$this->packages = array();
}
/**
* Deprecated
*
* @deprecated 2.6.0 Was previously used to determine sort order of methods, but this is now controlled by zones and thus unused.
*/
public function sort_shipping_methods() {
wc_deprecated_function( 'sort_shipping_methods', '2.6' );
return $this->shipping_methods;
}
}