includes/data-stores/class-wc-shipping-zone-data-store.php
<?php
/**
* Class WC_Shipping_Zone_Data_Store file.
*
* @package WooCommerce\DataStores
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* WC Shipping Zone Data Store.
*
* @version 3.0.0
*/
class WC_Shipping_Zone_Data_Store extends WC_Data_Store_WP implements WC_Shipping_Zone_Data_Store_Interface, WC_Object_Data_Store_Interface {
/**
* Method to create a new shipping zone.
*
* @since 3.0.0
* @param WC_Shipping_Zone $zone Shipping zone object.
*/
public function create( &$zone ) {
global $wpdb;
$wpdb->insert(
$wpdb->prefix . 'woocommerce_shipping_zones',
array(
'zone_name' => $zone->get_zone_name(),
'zone_order' => $zone->get_zone_order(),
)
);
$zone->set_id( $wpdb->insert_id );
$zone->save_meta_data();
$this->save_locations( $zone );
$zone->apply_changes();
WC_Cache_Helper::invalidate_cache_group( 'shipping_zones' );
WC_Cache_Helper::get_transient_version( 'shipping', true );
}
/**
* Update zone in the database.
*
* @since 3.0.0
* @param WC_Shipping_Zone $zone Shipping zone object.
*/
public function update( &$zone ) {
global $wpdb;
if ( $zone->get_id() ) {
$wpdb->update(
$wpdb->prefix . 'woocommerce_shipping_zones',
array(
'zone_name' => $zone->get_zone_name(),
'zone_order' => $zone->get_zone_order(),
),
array( 'zone_id' => $zone->get_id() )
);
}
$zone->save_meta_data();
$this->save_locations( $zone );
$zone->apply_changes();
WC_Cache_Helper::invalidate_cache_group( 'shipping_zones' );
WC_Cache_Helper::get_transient_version( 'shipping', true );
}
/**
* Method to read a shipping zone from the database.
*
* @since 3.0.0
* @param WC_Shipping_Zone $zone Shipping zone object.
* @throws Exception If invalid data store.
*/
public function read( &$zone ) {
global $wpdb;
// Zone 0 is used as a default if no other zones fit.
if ( 0 === $zone->get_id() || '0' === $zone->get_id() ) {
$this->read_zone_locations( $zone );
$zone->set_zone_name( __( 'Locations not covered by your other zones', 'woocommerce' ) );
$zone->read_meta_data();
$zone->set_object_read( true );
/**
* Indicate that the WooCommerce shipping zone has been loaded.
*
* @param WC_Shipping_Zone $zone The shipping zone that has been loaded.
*/
do_action( 'woocommerce_shipping_zone_loaded', $zone );
return;
}
$zone_data = $wpdb->get_row(
$wpdb->prepare(
"SELECT zone_name, zone_order FROM {$wpdb->prefix}woocommerce_shipping_zones WHERE zone_id = %d LIMIT 1",
$zone->get_id()
)
);
if ( ! $zone_data ) {
throw new Exception( __( 'Invalid data store.', 'woocommerce' ) );
}
$zone->set_zone_name( $zone_data->zone_name );
$zone->set_zone_order( $zone_data->zone_order );
$this->read_zone_locations( $zone );
$zone->read_meta_data();
$zone->set_object_read( true );
/** This action is documented in includes/datastores/class-wc-shipping-zone-data-store.php. */
do_action( 'woocommerce_shipping_zone_loaded', $zone );
}
/**
* Deletes a shipping zone from the database.
*
* @since 3.0.0
* @param WC_Shipping_Zone $zone Shipping zone object.
* @param array $args Array of args to pass to the delete method.
* @return void
*/
public function delete( &$zone, $args = array() ) {
$zone_id = $zone->get_id();
if ( $zone_id ) {
global $wpdb;
// Delete methods and their settings.
$methods = $this->get_methods( $zone_id, false );
if ( $methods ) {
foreach ( $methods as $method ) {
$this->delete_method( $method->instance_id );
}
}
// Delete zone.
$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_locations', array( 'zone_id' => $zone_id ) );
$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zones', array( 'zone_id' => $zone_id ) );
$zone->set_id( null );
WC_Cache_Helper::invalidate_cache_group( 'shipping_zones' );
WC_Cache_Helper::get_transient_version( 'shipping', true );
do_action( 'woocommerce_delete_shipping_zone', $zone_id );
}
}
/**
* Get a list of shipping methods for a specific zone.
*
* @since 3.0.0
* @param int $zone_id Zone ID.
* @param bool $enabled_only True to request enabled methods only.
* @return array Array of objects containing method_id, method_order, instance_id, is_enabled
*/
public function get_methods( $zone_id, $enabled_only ) {
global $wpdb;
if ( $enabled_only ) {
$raw_methods_sql = "SELECT method_id, method_order, instance_id, is_enabled FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d AND is_enabled = 1";
} else {
$raw_methods_sql = "SELECT method_id, method_order, instance_id, is_enabled FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d";
}
return $wpdb->get_results( $wpdb->prepare( $raw_methods_sql, $zone_id ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
}
/**
* Get count of methods for a zone.
*
* @since 3.0.0
* @param int $zone_id Zone ID.
* @return int Method Count
*/
public function get_method_count( $zone_id ) {
global $wpdb;
return $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE zone_id = %d", $zone_id ) );
}
/**
* Add a shipping method to a zone.
*
* @since 3.0.0
* @param int $zone_id Zone ID.
* @param string $type Method Type/ID.
* @param int $order Method Order.
* @return int Instance ID
*/
public function add_method( $zone_id, $type, $order ) {
global $wpdb;
$wpdb->insert(
$wpdb->prefix . 'woocommerce_shipping_zone_methods',
array(
'method_id' => $type,
'zone_id' => $zone_id,
'method_order' => $order,
),
array(
'%s',
'%d',
'%d',
)
);
return $wpdb->insert_id;
}
/**
* Delete a method instance.
*
* @since 3.0.0
* @param int $instance_id Instance ID.
*/
public function delete_method( $instance_id ) {
global $wpdb;
$method = $this->get_method( $instance_id );
if ( ! $method ) {
return;
}
delete_option( 'woocommerce_' . $method->method_id . '_' . $instance_id . '_settings' );
$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_methods', array( 'instance_id' => $instance_id ) );
do_action( 'woocommerce_delete_shipping_zone_method', $instance_id );
}
/**
* Get a shipping zone method instance.
*
* @since 3.0.0
* @param int $instance_id Instance ID.
* @return object
*/
public function get_method( $instance_id ) {
global $wpdb;
return $wpdb->get_row( $wpdb->prepare( "SELECT zone_id, method_id, instance_id, method_order, is_enabled FROM {$wpdb->prefix}woocommerce_shipping_zone_methods WHERE instance_id = %d LIMIT 1;", $instance_id ) );
}
/**
* Find a matching zone ID for a given package.
*
* @since 3.0.0
* @param object $package Package information.
* @return int
*/
public function get_zone_id_from_package( $package ) {
global $wpdb;
$country = strtoupper( wc_clean( $package['destination']['country'] ) );
$state = strtoupper( wc_clean( $package['destination']['state'] ) );
$continent = strtoupper( wc_clean( WC()->countries->get_continent_code_for_country( $country ) ) );
$postcode = wc_normalize_postcode( wc_clean( $package['destination']['postcode'] ) );
// Work out criteria for our zone search.
$criteria = array();
$criteria[] = $wpdb->prepare( "( ( location_type = 'country' AND location_code = %s )", $country );
$criteria[] = $wpdb->prepare( "OR ( location_type = 'state' AND location_code = %s )", $country . ':' . $state );
$criteria[] = $wpdb->prepare( "OR ( location_type = 'continent' AND location_code = %s )", $continent );
$criteria[] = 'OR ( location_type IS NULL ) )';
// Postcode range and wildcard matching.
$postcode_locations = $wpdb->get_results( "SELECT zone_id, location_code FROM {$wpdb->prefix}woocommerce_shipping_zone_locations WHERE location_type = 'postcode';" );
if ( $postcode_locations ) {
$zone_ids_with_postcode_rules = array_map( 'absint', wp_list_pluck( $postcode_locations, 'zone_id' ) );
$matches = wc_postcode_location_matcher( $postcode, $postcode_locations, 'zone_id', 'location_code', $country );
$do_not_match = array_unique( array_diff( $zone_ids_with_postcode_rules, array_keys( $matches ) ) );
if ( ! empty( $do_not_match ) ) {
$criteria[] = 'AND zones.zone_id NOT IN (' . implode( ',', $do_not_match ) . ')';
}
}
/**
* Get shipping zone criteria
*
* @since 3.6.6
* @param array $criteria Get zone criteria.
* @param array $package Package information.
* @param array $postcode_locations Postcode range and wildcard matching.
*/
$criteria = apply_filters( 'woocommerce_get_zone_criteria', $criteria, $package, $postcode_locations );
// Get matching zones.
return $wpdb->get_var(
"SELECT zones.zone_id FROM {$wpdb->prefix}woocommerce_shipping_zones as zones
LEFT OUTER JOIN {$wpdb->prefix}woocommerce_shipping_zone_locations as locations ON zones.zone_id = locations.zone_id AND location_type != 'postcode'
WHERE " . implode( ' ', $criteria ) // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
. ' ORDER BY zone_order ASC, zones.zone_id ASC LIMIT 1'
);
}
/**
* Return an ordered list of zones.
*
* @since 3.0.0
* @return array An array of objects containing a zone_id, zone_name, and zone_order.
*/
public function get_zones() {
global $wpdb;
return $wpdb->get_results( "SELECT zone_id, zone_name, zone_order FROM {$wpdb->prefix}woocommerce_shipping_zones order by zone_order ASC, zone_id ASC;" );
}
/**
* Return a zone ID from an instance ID.
*
* @since 3.0.0
* @param int $id Instnace ID.
* @return int
*/
public function get_zone_id_by_instance_id( $id ) {
global $wpdb;
return $wpdb->get_var( $wpdb->prepare( "SELECT zone_id FROM {$wpdb->prefix}woocommerce_shipping_zone_methods as methods WHERE methods.instance_id = %d LIMIT 1;", $id ) );
}
/**
* Read location data from the database.
*
* @param WC_Shipping_Zone $zone Shipping zone object.
*/
private function read_zone_locations( &$zone ) {
global $wpdb;
$locations = $wpdb->get_results(
$wpdb->prepare(
"SELECT location_code, location_type FROM {$wpdb->prefix}woocommerce_shipping_zone_locations WHERE zone_id = %d",
$zone->get_id()
)
);
if ( $locations ) {
foreach ( $locations as $location ) {
$zone->add_location( $location->location_code, $location->location_type );
}
}
}
/**
* Save locations to the DB.
* This function clears old locations, then re-inserts new if any changes are found.
*
* @since 3.0.0
*
* @param WC_Shipping_Zone $zone Shipping zone object.
*
* @return bool|void
*/
private function save_locations( &$zone ) {
$changed_props = array_keys( $zone->get_changes() );
if ( ! in_array( 'zone_locations', $changed_props, true ) ) {
return false;
}
global $wpdb;
$wpdb->delete( $wpdb->prefix . 'woocommerce_shipping_zone_locations', array( 'zone_id' => $zone->get_id() ) );
foreach ( $zone->get_zone_locations( 'edit' ) as $location ) {
$wpdb->insert(
$wpdb->prefix . 'woocommerce_shipping_zone_locations',
array(
'zone_id' => $zone->get_id(),
'location_code' => $location->code,
'location_type' => $location->type,
)
);
}
}
}