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Use CacheHydration to speed up fetching Order data. 

This also primes various caches by fetching data well in advance, this would have been individual SQL queries otherwise.
This commit is contained in:
vedanshujain 2020-06-24 21:55:19 +05:30
parent ff996388c8
commit 2db126f22f
2 changed files with 232 additions and 14 deletions
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93
includes/data-stores/abstract-wc-order-data-store-cpt.php
View File

@ -6,6 +6,7 @@
*/ */
use Automattic\Jetpack\Constants; use Automattic\Jetpack\Constants;
use Automattic\WooCommerce\Models\CacheHydration;
if ( ! defined( 'ABSPATH' ) ) { if ( ! defined( 'ABSPATH' ) ) {
exit; exit;
@ -93,14 +94,75 @@ abstract class Abstract_WC_Order_Data_Store_CPT extends WC_Data_Store_WP impleme
/** /**
* Method to read an order from the database. * Method to read an order from the database.
* *
* @param WC_Data $order Order object. * @param WC_Order $order Order object.
* *
* @throws Exception If passed order is invalid. * @throws Exception If passed order is invalid.
*/ */
public function read( &$order ) { public function read( &$order ) {
$order->set_defaults(); $order->set_defaults();
$post_object = get_post( $order->get_id() ); $post_object = get_post( $order->get_id() );
$this->read_from_post( $order, $post_object );
$order->read_meta_data();
$order->set_object_read( true );
/**
* In older versions, discounts may have been stored differently.
* Update them now so if the object is saved, the correct values are
* stored. @todo When meta is flattened, handle this during migration.
*/
if ( version_compare( $order->get_version( 'edit' ), '2.3.7', '<' ) && $order->get_prices_include_tax( 'edit' ) ) {
$order->set_discount_total( (float) get_post_meta( $order->get_id(), '_cart_discount', true ) - (float) get_post_meta( $order->get_id(), '_cart_discount_tax', true ) );
}
}
/**
* Initialize objects using hydration.
*
* @param WC_Order $order Order object.
* @param CacheHydration $hydration Hydration object.
*/
public function read_from_hydration( $order, $hydration ) {
$post_object = $hydration->get_post( $order->get_id() );
$order->set_id( $post_object->ID );
$order->set_defaults();
$this->read_from_post( $order, $post_object );
if ( $hydration->has_data( 'raw_meta_data', $post_object->ID ) ) {
$raw_meta_data = $hydration->get_data_for_object( 'raw_meta_data', $post_object->ID );
$order->set_meta_data_from_raw_data( $raw_meta_data );
}
if ( $hydration->has_data( 'order-items', $post_object->ID ) ) {
$this->read_items_from_hydration( $order, $hydration );
}
if ( $hydration->has_data( 'refunds' ) ) {
$refunds = $hydration->get_data_for_object( 'refunds', $post_object->ID ) ?? array();
$order->prime_refunds_cache( $refunds );
}
$order->set_object_read( true );
/**
* In older versions, discounts may have been stored differently.
* Update them now so if the object is saved, the correct values are
* stored. @todo When meta is flattened, handle this during migration.
*/
if ( version_compare( $order->get_version( 'edit' ), '2.3.7', '<' ) && $order->get_prices_include_tax( 'edit' ) ) {
$order->set_discount_total( (float) get_post_meta( $order->get_id(), '_cart_discount', true ) - (float) get_post_meta( $order->get_id(), '_cart_discount_tax', true ) );
}
}
/**
* Helper function to read data from post_object.
*
* @param WC_Order $order Order object.
* @param WP_Post $post_object Post object.
*
* @throws Exception When passed order object is invalid.
*/
private function read_from_post( $order, $post_object ) {
if ( ! $order->get_id() || ! $post_object || ! in_array( $post_object->post_type, wc_get_order_types(), true ) ) { if ( ! $order->get_id() || ! $post_object || ! in_array( $post_object->post_type, wc_get_order_types(), true ) ) {
throw new Exception( __( 'Invalid order.', 'woocommerce' ) ); throw new Exception( __( 'Invalid order.', 'woocommerce' ) );
} }
@ -115,18 +177,33 @@ abstract class Abstract_WC_Order_Data_Store_CPT extends WC_Data_Store_WP impleme
); );
$this->read_order_data( $order, $post_object ); $this->read_order_data( $order, $post_object );
$order->read_meta_data(); }
$order->set_object_read( true );
/** /**
* In older versions, discounts may have been stored differently. * Initialize objects from Hydration.
* Update them now so if the object is saved, the correct values are *
* stored. @todo When meta is flattened, handle this during migration. * @param WC_Order $order Order object.
* @param CacheHydration $cache_hydration Hydration Object.
*/ */
if ( version_compare( $order->get_version( 'edit' ), '2.3.7', '<' ) && $order->get_prices_include_tax( 'edit' ) ) { private function read_items_from_hydration( $order, $cache_hydration ) {
$order->set_discount_total( (float) get_post_meta( $order->get_id(), '_cart_discount', true ) - (float) get_post_meta( $order->get_id(), '_cart_discount_tax', true ) ); $items = $cache_hydration->get_data_for_object( 'order-items', $order->get_id() );
if ( ! is_array( $items ) ) {
return;
}
$order_items = array();
foreach ( $items as $order_item ) {
$class_name = WC_Order_Factory::get_order_item_class( $order_item );
if ( $cache_hydration->has_key( 'order-item-meta-data', $order_item->order_item_id ) ) {
$order_item->metadata = $cache_hydration->get_data_for_object( 'order-item-meta-data', $order_item->order_item_id );
}
if ( $class_name && class_exists( $class_name ) ) {
$order_items[] = new $class_name( $order_item );
} }
} }
}
/** /**
* Method to update an order in the database. * Method to update an order in the database.

149
includes/data-stores/class-wc-order-data-store-cpt.php
View File

@ -9,6 +9,8 @@ if ( ! defined( 'ABSPATH' ) ) {
exit; exit;
} }
use Automattic\WooCommerce\Models\CacheHydration;
/** /**
* WC Order Data Store: Stored in CPT. * WC Order Data Store: Stored in CPT.
* *
@ -734,11 +736,12 @@ class WC_Order_Data_Store_CPT extends Abstract_WC_Order_Data_Store_CPT implement
* Get the order type based on Order ID. * Get the order type based on Order ID.
* *
* @since 3.0.0 * @since 3.0.0
* @param int $order_id Order ID. * @param int|WP_Post $order Order | Order id.
*
* @return string * @return string
*/ */
public function get_order_type( $order_id ) { public function get_order_type( $order ) {
return get_post_type( $order_id ); return get_post_type( $order );
} }
/** /**
@ -865,7 +868,12 @@ class WC_Order_Data_Store_CPT extends Abstract_WC_Order_Data_Store_CPT implement
$query = new WP_Query( $args ); $query = new WP_Query( $args );
} }
$orders = ( isset( $query_vars['return'] ) && 'ids' === $query_vars['return'] ) ? $query->posts : array_filter( array_map( 'wc_get_order', $query->posts ) ); if ( isset( $query_vars['return'] ) && 'ids' === $query_vars['return'] ) {
$orders = $query->posts;
} else {
$order_ids = wp_list_pluck( $query->posts, 'ID' );
$orders = $this->compile_orders( $order_ids, $query_vars, $query );
}
if ( isset( $query_vars['paginate'] ) && $query_vars['paginate'] ) { if ( isset( $query_vars['paginate'] ) && $query_vars['paginate'] ) {
return (object) array( return (object) array(
@ -878,6 +886,139 @@ class WC_Order_Data_Store_CPT extends Abstract_WC_Order_Data_Store_CPT implement
return $orders; return $orders;
} }
/**
* Compile order response and set caches as needed for order ids.
*
* @param array $order_ids List of order IDS to compile.
* @param array $query_vars Original query arguments.
* @param WP_Query $query Query object.
*
* @return array Orders.
*/
protected function compile_orders( $order_ids, $query_vars, $query ) {
if ( empty( $order_ids ) ) {
return array();
}
$orders = array();
$cache_hydration = new CacheHydration();
$raw_meta_data = self::fetch_raw_meta_cache_for_orders( $order_ids );
$cache_hydration->add_to_collection( $raw_meta_data, 'raw_meta_data', 'object_id' );
if ( isset( $query_vars['type'] ) && 'shop_order' === $query_vars['type'] ) {
$refunds = wc_get_orders(
array(
'type' => 'shop_order_refund',
'post_parent__in' => $order_ids,
'limit' => - 1,
)
);
$cache_hydration->add_to_collection( $refunds, 'refunds', 'parent' );
}
self::prime_order_item_caches_for_orders( $order_ids, $cache_hydration, true );
foreach ( $query->posts as $post ) {
// Lets do some hydrations so that we don't have to fetch data from DB later.
$cache_hydration->set_data_for_object( 'post', $post->ID, $post );
$orders[] = wc_get_order( $post, $cache_hydration );
}
return $orders;
}
/**
* Prime following caches:
* 1. item-$order_item_id For individual items.
* 2. order-items-$order-id For fetching items associated with an order.
* 3. (Optionally) order-item meta.
*
* @param array $order_ids Array of order ids.
* @param CacheHydration $cache_hydration Cache hydration object.
* @param bool $prime_meta_cache Whether to also prime order item meta cache.
*/
private static function prime_order_item_caches_for_orders( $order_ids, $cache_hydration, $prime_meta_cache ) {
global $wpdb;
$order_ids = esc_sql( $order_ids );
$order_id_string = implode( ',', $order_ids );
$order_items = $wpdb->get_results(
$wpdb->prepare(
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
"SELECT order_item_type, order_item_id, order_id, order_item_name FROM {$wpdb->prefix}woocommerce_order_items WHERE order_id in ( $order_id_string ) ORDER BY order_item_id;"
)
);
foreach ( $order_items as $item ) {
wp_cache_set( 'item-' . $item->order_item_id, $item, 'order-items' );
}
foreach ( $cache_hydration->get_collection( 'order-items' ) as $order_id => $order_items ) {
wp_cache_set( 'order-items-' . $order_id, $order_items, 'orders' );
}
$cache_hydration->add_to_collection( $order_items, 'order-items', 'order_id' );
if ( $prime_meta_cache ) {
$order_item_ids = wp_list_pluck( $order_items, 'order_item_id' );
self::prime_order_item_meta_caches_for_orders( $order_item_ids, $cache_hydration );
}
}
/**
* Prime cache for order item meta and store in CacheHydration object.
*
* @param array $order_item_ids Array of order ids.
* @param CacheHydration $cache_hydration Cache hydration object.
*/
private static function prime_order_item_meta_caches_for_orders( $order_item_ids, CacheHydration $cache_hydration ) {
global $wpdb;
if ( ! empty( $order_item_ids ) ) {
$order_item_ids_string = implode( ',', $order_item_ids );
// Next two lines fetches same data, but as of now its very complicated to use same results in both of these.
// This is because `update_meta_cache` discards `meta_id` which we need while priming order-item-meta-data.
update_meta_cache( 'order_item', $order_item_ids );
$items_meta_data = $wpdb->get_results(
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$wpdb->prepare(
"SELECT order_item_id, meta_id, meta_key, meta_value
FROM {$wpdb->prefix}woocommerce_order_itemmeta
WHERE order_item_id in ( $order_item_ids_string )
ORDER BY meta_id"
)
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
);
$cache_hydration->add_to_collection( $items_meta_data, 'order-item-meta-data', 'order_item_id' );
} else {
$cache_hydration->add_to_collection( array(), 'order-item-meta-data', 'order_item_id' );
}
}
/**
* Fetch metadata for posts in bulk.
*
* @param array $order_ids Array of order IDs.
*
* @return array|object|null Raw meta data for orders.
*/
private static function fetch_raw_meta_cache_for_orders( $order_ids ) {
global $wpdb;
$order_ids = esc_sql( $order_ids );
$order_ids_in = "'" . implode( $order_ids, "', '" ) . "'";
$raw_meta_data = $wpdb->get_results(
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$wpdb->prepare(
"SELECT post_id as object_id, meta_id, meta_key, meta_value
FROM {$wpdb->postmeta}
WHERE post_id IN ( $order_ids_in )
ORDER BY post_id"
)
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
);
return $raw_meta_data;
}
/** /**
* Return the order type of a given item which belongs to WC_Order. * Return the order type of a given item which belongs to WC_Order.
* *