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Refactor the WC_Shipping_Zone_Data_Store::read() method 

This commit re-works the `WC_Shipping_Zone_Data_Store::read()` method in the following ways:

1. Remove a confusing conditional (`if ( 0 !== $zone->get_id() || '0' !== $zone->get_id() ) { ... }`)
2. Return early if we're dealing with Zone 0, eliminating additional conditional steps
3. Add documentation for the "woocommerce_shipping_zone_loaded" action hook
This commit is contained in:
Steve Grunwell 2021-01-12 12:53:22 -05:00
parent 9dac51f129
commit 8d3803452d
1 changed files with 27 additions and 19 deletions
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32
includes/data-stores/class-wc-shipping-zone-data-store.php
View File

@ -74,33 +74,41 @@ class WC_Shipping_Zone_Data_Store extends WC_Data_Store_WP implements WC_Shippin
public function read( &$zone ) {
global $wpdb;
$zone_data = false;
// 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;
}
if ( 0 !== $zone->get_id() || '0' !== $zone->get_id() ) {
$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' ) );
}
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 );
do_action( 'woocommerce_shipping_zone_loaded', $zone );
} elseif ( $zone_data ) {
$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 );
} else {
throw new Exception( __( 'Invalid data store.', 'woocommerce' ) );
}
}
/**