DataStore.php
<?php
/**
* API\Reports\Taxes\DataStore class file.
*/
namespace Automattic\WooCommerce\Admin\API\Reports\Taxes;
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Admin\API\Reports\DataStore as ReportsDataStore;
use Automattic\WooCommerce\Admin\API\Reports\DataStoreInterface;
use Automattic\WooCommerce\Admin\API\Reports\TimeInterval;
use Automattic\WooCommerce\Admin\API\Reports\SqlQuery;
use Automattic\WooCommerce\Admin\API\Reports\Cache as ReportsCache;
/**
* API\Reports\Taxes\DataStore.
*/
class DataStore extends ReportsDataStore implements DataStoreInterface {
/**
* Table used to get the data.
*
* @var string
*/
protected static $table_name = 'wc_order_tax_lookup';
/**
* Cache identifier.
*
* @var string
*/
protected $cache_key = 'taxes';
/**
* Mapping columns to data type to return correct response types.
*
* @var array
*/
protected $column_types = array(
'tax_rate_id' => 'intval',
'name' => 'strval',
'tax_rate' => 'floatval',
'country' => 'strval',
'state' => 'strval',
'priority' => 'intval',
'total_tax' => 'floatval',
'order_tax' => 'floatval',
'shipping_tax' => 'floatval',
'orders_count' => 'intval',
);
/**
* Data store context used to pass to filters.
*
* @var string
*/
protected $context = 'taxes';
/**
* Assign report columns once full table name has been assigned.
*/
protected function assign_report_columns() {
global $wpdb;
$table_name = self::get_db_table_name();
// Using wp_woocommerce_tax_rates table limits the result to only the existing tax rates and
// omits the historical records which differs from the purpose of wp_wc_order_tax_lookup table.
// So in order to get the same data present in wp_woocommerce_tax_rates without breaking the
// API contract the values are now retrieved from wp_woocommerce_order_items and wp_woocommerce_order_itemmeta.
// And given that country, state and priority are not separate columns within the woocommerce_order_items,
// a split to order_item_name column value is required to separate those values. This is not ideal,
// but given this query is paginated and cached, then it is not a big deal. There is always room for
// improvements here.
$this->report_columns = array(
'tax_rate_id' => "{$table_name}.tax_rate_id",
'name' => "SUBSTRING_INDEX(SUBSTRING_INDEX({$wpdb->prefix}woocommerce_order_items.order_item_name,'-',-2), '-', 1) as name",
'tax_rate' => "CAST({$wpdb->prefix}woocommerce_order_itemmeta.meta_value AS DECIMAL(7,4)) as tax_rate",
'country' => "SUBSTRING_INDEX({$wpdb->prefix}woocommerce_order_items.order_item_name,'-',1) as country",
'state' => "SUBSTRING_INDEX(SUBSTRING_INDEX({$wpdb->prefix}woocommerce_order_items.order_item_name,'-',-3), '-', 1) as state",
'priority' => "SUBSTRING_INDEX({$wpdb->prefix}woocommerce_order_items.order_item_name,'-',-1) as priority",
'total_tax' => 'SUM(total_tax) as total_tax',
'order_tax' => 'SUM(order_tax) as order_tax',
'shipping_tax' => 'SUM(shipping_tax) as shipping_tax',
'orders_count' => "COUNT({$table_name}.order_id) as orders_count",
);
}
/**
* Set up all the hooks for maintaining and populating table data.
*/
public static function init() {
add_action( 'woocommerce_analytics_delete_order_stats', array( __CLASS__, 'sync_on_order_delete' ), 15 );
}
/**
* Fills FROM clause of SQL request based on user supplied parameters.
*
* @param array $query_args Query arguments supplied by the user.
* @param string $order_status_filter Order status subquery.
*/
protected function add_from_sql_params( $query_args, $order_status_filter ) {
global $wpdb;
$table_name = self::get_db_table_name();
if ( $order_status_filter ) {
$this->subquery->add_sql_clause( 'join', "JOIN {$wpdb->prefix}wc_order_stats ON {$table_name}.order_id = {$wpdb->prefix}wc_order_stats.order_id" );
}
$this->subquery->add_sql_clause( 'join', "JOIN {$wpdb->prefix}woocommerce_order_items ON {$table_name}.order_id = {$wpdb->prefix}woocommerce_order_items.order_id AND {$wpdb->prefix}woocommerce_order_items.order_item_type = 'tax'" );
$this->subquery->add_sql_clause( 'join', "JOIN {$wpdb->prefix}woocommerce_order_itemmeta ON {$wpdb->prefix}woocommerce_order_itemmeta.order_item_id = {$wpdb->prefix}woocommerce_order_items.order_item_id AND {$wpdb->prefix}woocommerce_order_itemmeta.meta_key = 'rate_percent'" );
}
/**
* Updates the database query with parameters used for Taxes report: categories and order status.
*
* @param array $query_args Query arguments supplied by the user.
*/
protected function add_sql_query_params( $query_args ) {
global $wpdb;
$order_tax_lookup_table = self::get_db_table_name();
$this->add_time_period_sql_params( $query_args, $order_tax_lookup_table );
$this->get_limit_sql_params( $query_args );
$this->add_order_by_sql_params( $query_args );
$order_status_filter = $this->get_status_subquery( $query_args );
$this->add_from_sql_params( $query_args, $order_status_filter );
if ( isset( $query_args['taxes'] ) && ! empty( $query_args['taxes'] ) ) {
$allowed_taxes = self::get_filtered_ids( $query_args, 'taxes' );
$this->subquery->add_sql_clause( 'where', "AND {$order_tax_lookup_table}.tax_rate_id IN ({$allowed_taxes})" );
}
if ( $order_status_filter ) {
$this->subquery->add_sql_clause( 'where', "AND ( {$order_status_filter} )" );
}
}
/**
* Returns the report data based on parameters supplied by the user.
*
* @param array $query_args Query parameters.
* @return stdClass|WP_Error Data.
*/
public function get_data( $query_args ) {
global $wpdb;
$table_name = self::get_db_table_name();
// These defaults are only partially applied when used via REST API, as that has its own defaults.
$defaults = array(
'per_page' => get_option( 'posts_per_page' ),
'page' => 1,
'order' => 'DESC',
'orderby' => 'tax_rate_id',
'before' => TimeInterval::default_before(),
'after' => TimeInterval::default_after(),
'fields' => '*',
'taxes' => array(),
);
$query_args = wp_parse_args( $query_args, $defaults );
$this->normalize_timezones( $query_args, $defaults );
/*
* We need to get the cache key here because
* parent::update_intervals_sql_params() modifies $query_args.
*/
$cache_key = $this->get_cache_key( $query_args );
$data = $this->get_cached_data( $cache_key );
if ( false === $data ) {
$this->initialize_queries();
$data = (object) array(
'data' => array(),
'total' => 0,
'pages' => 0,
'page_no' => 0,
);
$this->add_sql_query_params( $query_args );
$params = $this->get_limit_params( $query_args );
if ( isset( $query_args['taxes'] ) && is_array( $query_args['taxes'] ) && ! empty( $query_args['taxes'] ) ) {
$total_results = count( $query_args['taxes'] );
$total_pages = (int) ceil( $total_results / $params['per_page'] );
} else {
$db_records_count = (int) $wpdb->get_var(
"SELECT COUNT(*) FROM (
{$this->subquery->get_query_statement()}
) AS tt"
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
$total_results = $db_records_count;
$total_pages = (int) ceil( $db_records_count / $params['per_page'] );
if ( $query_args['page'] < 1 || $query_args['page'] > $total_pages ) {
return $data;
}
}
$this->subquery->clear_sql_clause( 'select' );
$this->subquery->add_sql_clause( 'select', $this->selected_columns( $query_args ) );
$this->subquery->add_sql_clause( 'group_by', ", {$wpdb->prefix}woocommerce_order_items.order_item_name, {$wpdb->prefix}woocommerce_order_itemmeta.meta_value" );
$this->subquery->add_sql_clause( 'order_by', $this->get_sql_clause( 'order_by' ) );
$taxes_query = $this->subquery->get_query_statement();
$tax_data = $wpdb->get_results(
$taxes_query,
ARRAY_A
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
if ( null === $tax_data ) {
return $data;
}
$tax_data = array_map( array( $this, 'cast_numbers' ), $tax_data );
$data = (object) array(
'data' => $tax_data,
'total' => $total_results,
'pages' => $total_pages,
'page_no' => (int) $query_args['page'],
);
$this->set_cached_data( $cache_key, $data );
}
return $data;
}
/**
* Maps ordering specified by the user to columns in the database/fields in the data.
*
* @param string $order_by Sorting criterion.
* @return string
*/
protected function normalize_order_by( $order_by ) {
global $wpdb;
if ( 'tax_code' === $order_by ) {
return "{$wpdb->prefix}woocommerce_order_items.order_item_name";
} elseif ( 'rate' === $order_by ) {
return 'tax_rate';
}
return $order_by;
}
/**
* Create or update an entry in the wc_order_tax_lookup table for an order.
*
* @param int $order_id Order ID.
* @return int|bool Returns -1 if order won't be processed, or a boolean indicating processing success.
*/
public static function sync_order_taxes( $order_id ) {
global $wpdb;
$order = wc_get_order( $order_id );
if ( ! $order ) {
return -1;
}
$tax_items = $order->get_items( 'tax' );
$num_updated = 0;
foreach ( $tax_items as $tax_item ) {
$result = $wpdb->replace(
self::get_db_table_name(),
array(
'order_id' => $order->get_id(),
'date_created' => $order->get_date_created( 'edit' )->date( TimeInterval::$sql_datetime_format ),
'tax_rate_id' => $tax_item->get_rate_id(),
'shipping_tax' => $tax_item->get_shipping_tax_total(),
'order_tax' => $tax_item->get_tax_total(),
'total_tax' => (float) $tax_item->get_tax_total() + (float) $tax_item->get_shipping_tax_total(),
),
array(
'%d',
'%s',
'%d',
'%f',
'%f',
'%f',
)
);
/**
* Fires when tax's reports are updated.
*
* @param int $tax_rate_id Tax Rate ID.
* @param int $order_id Order ID.
*/
do_action( 'woocommerce_analytics_update_tax', $tax_item->get_rate_id(), $order->get_id() );
// Sum the rows affected. Using REPLACE can affect 2 rows if the row already exists.
$num_updated += 2 === intval( $result ) ? 1 : intval( $result );
}
return ( count( $tax_items ) === $num_updated );
}
/**
* Clean taxes data when an order is deleted.
*
* @param int $order_id Order ID.
*/
public static function sync_on_order_delete( $order_id ) {
global $wpdb;
$wpdb->delete( self::get_db_table_name(), array( 'order_id' => $order_id ) );
/**
* Fires when tax's reports are removed from database.
*
* @param int $tax_rate_id Tax Rate ID.
* @param int $order_id Order ID.
*/
do_action( 'woocommerce_analytics_delete_tax', 0, $order_id );
ReportsCache::invalidate();
}
/**
* Initialize query objects.
*/
protected function initialize_queries() {
$this->clear_all_clauses();
$this->subquery = new SqlQuery( $this->context . '_subquery' );
$this->subquery->add_sql_clause( 'select', self::get_db_table_name() . '.tax_rate_id' );
$this->subquery->add_sql_clause( 'from', self::get_db_table_name() );
$this->subquery->add_sql_clause( 'group_by', self::get_db_table_name() . '.tax_rate_id' );
}
}
