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<?php
/**
* Class for adding segmenting support without cluttering the data stores.
*/
namespace Automattic\WooCommerce\Admin\API\Reports\Taxes\Stats;
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Admin\API\Reports\Segmenter as ReportsSegmenter;
/**
* Date & time interval and numeric range handling class for Reporting API.
*/
class Segmenter extends ReportsSegmenter {
/**
* Returns column => query mapping to be used for order-related order-level segmenting query (e.g. tax_rate_id).
*
* @param string $lookup_table Name of SQL table containing the order-level segmenting info.
*
* @return array Column => SELECT query mapping.
*/
protected function get_segment_selections_order_level( $lookup_table ) {
$columns_mapping = array(
'tax_codes' => "COUNT(DISTINCT $lookup_table.tax_rate_id) as tax_codes",
'total_tax' => "SUM($lookup_table.total_tax) AS total_tax",
'order_tax' => "SUM($lookup_table.order_tax) as order_tax",
'shipping_tax' => "SUM($lookup_table.shipping_tax) as shipping_tax",
'orders_count' => "COUNT(DISTINCT $lookup_table.order_id) as orders_count",
);
return $columns_mapping;
}
/**
* Calculate segments for totals query where the segmenting property is bound to order (e.g. coupon or customer type).
*
* @param string $segmenting_select SELECT part of segmenting SQL query.
* @param string $segmenting_from FROM part of segmenting SQL query.
* @param string $segmenting_where WHERE part of segmenting SQL query.
* @param string $segmenting_groupby GROUP BY part of segmenting SQL query.
* @param string $table_name Name of SQL table which is the stats table for orders.
* @param array $totals_query Array of SQL clauses for intervals query.
*
* @return array
*/
protected function get_order_related_totals_segments( $segmenting_select, $segmenting_from, $segmenting_where, $segmenting_groupby, $table_name, $totals_query ) {
global $wpdb;
$totals_segments = $wpdb->get_results(
"SELECT
$segmenting_groupby
$segmenting_select
FROM
$table_name
$segmenting_from
{$totals_query['from_clause']}
WHERE
1=1
{$totals_query['where_time_clause']}
{$totals_query['where_clause']}
$segmenting_where
GROUP BY
$segmenting_groupby",
ARRAY_A
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
// Reformat result.
$totals_segments = $this->reformat_totals_segments( $totals_segments, $segmenting_groupby );
return $totals_segments;
}
/**
* Calculate segments for intervals query where the segmenting property is bound to order (e.g. coupon or customer type).
*
* @param string $segmenting_select SELECT part of segmenting SQL query.
* @param string $segmenting_from FROM part of segmenting SQL query.
* @param string $segmenting_where WHERE part of segmenting SQL query.
* @param string $segmenting_groupby GROUP BY part of segmenting SQL query.
* @param string $table_name Name of SQL table which is the stats table for orders.
* @param array $intervals_query Array of SQL clauses for intervals query.
*
* @return array
*/
protected function get_order_related_intervals_segments( $segmenting_select, $segmenting_from, $segmenting_where, $segmenting_groupby, $table_name, $intervals_query ) {
global $wpdb;
$segmenting_limit = '';
$limit_parts = explode( ',', $intervals_query['limit'] );
if ( 2 === count( $limit_parts ) ) {
$orig_rowcount = intval( $limit_parts[1] );
$segmenting_limit = $limit_parts[0] . ',' . $orig_rowcount * count( $this->get_all_segments() );
}
$intervals_segments = $wpdb->get_results(
"SELECT
MAX($table_name.date_created) AS datetime_anchor,
{$intervals_query['select_clause']} AS time_interval,
$segmenting_groupby
$segmenting_select
FROM
$table_name
$segmenting_from
{$intervals_query['from_clause']}
WHERE
1=1
{$intervals_query['where_time_clause']}
{$intervals_query['where_clause']}
$segmenting_where
GROUP BY
time_interval, $segmenting_groupby
$segmenting_limit",
ARRAY_A
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
// Reformat result.
$intervals_segments = $this->reformat_intervals_segments( $intervals_segments, $segmenting_groupby );
return $intervals_segments;
}
/**
* Return array of segments formatted for REST response.
*
* @param string $type Type of segments to return--'totals' or 'intervals'.
* @param array $query_params SQL query parameter array.
* @param string $table_name Name of main SQL table for the data store (used as basis for JOINS).
*
* @return array
* @throws \Automattic\WooCommerce\Admin\API\Reports\ParameterException In case of segmenting by variations, when no parent product is specified.
*/
protected function get_segments( $type, $query_params, $table_name ) {
if ( ! isset( $this->query_args['segmentby'] ) || '' === $this->query_args['segmentby'] ) {
return array();
}
$segmenting_where = '';
$segmenting_from = '';
$segments = array();
if ( 'tax_rate_id' === $this->query_args['segmentby'] ) {
$tax_rate_level_columns = $this->get_segment_selections_order_level( $table_name );
$segmenting_select = $this->prepare_selections( $tax_rate_level_columns );
$this->report_columns = $tax_rate_level_columns;
$segmenting_groupby = $table_name . '.tax_rate_id';
$segments = $this->get_order_related_segments( $type, $segmenting_select, $segmenting_from, $segmenting_where, $segmenting_groupby, $table_name, $query_params );
}
return $segments;
}
}
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