Segmenter.php
<?php
/**
* Class for adding segmenting support without cluttering the data stores.
*/
namespace Automattic\WooCommerce\Admin\API\Reports\Variations\Stats;
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Admin\API\Reports\Segmenter as ReportsSegmenter;
use Automattic\WooCommerce\Admin\API\Reports\ParameterException;
/**
* Date & time interval and numeric range handling class for Reporting API.
*/
class Segmenter extends ReportsSegmenter {
/**
* Returns column => query mapping to be used for product-related product-level segmenting query
* (e.g. products sold, revenue from product X when segmenting by category).
*
* @param string $products_table Name of SQL table containing the product-level segmenting info.
*
* @return array Column => SELECT query mapping.
*/
protected function get_segment_selections_product_level( $products_table ) {
$columns_mapping = array(
'items_sold' => "SUM($products_table.product_qty) as items_sold",
'net_revenue' => "SUM($products_table.product_net_revenue ) AS net_revenue",
'orders_count' => "COUNT( DISTINCT $products_table.order_id ) AS orders_count",
'variations_count' => "COUNT( DISTINCT $products_table.variation_id ) AS variations_count",
);
return $columns_mapping;
}
/**
* Calculate segments for totals where the segmenting property is bound to product (e.g. category, product_id, variation_id).
*
* @param array $segmenting_selections SELECT part of segmenting SQL query--one for 'product_level' and one for 'order_level'.
* @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 $segmenting_dimension_name Name of the segmenting dimension.
* @param string $table_name Name of SQL table which is the stats table for orders.
* @param array $totals_query Array of SQL clauses for totals query.
* @param string $unique_orders_table Name of temporary SQL table that holds unique orders.
*
* @return array
*/
protected function get_product_related_totals_segments( $segmenting_selections, $segmenting_from, $segmenting_where, $segmenting_groupby, $segmenting_dimension_name, $table_name, $totals_query, $unique_orders_table ) {
global $wpdb;
$product_segmenting_table = $wpdb->prefix . 'wc_order_product_lookup';
// Can't get all the numbers from one query, so split it into one query for product-level numbers and one for order-level numbers (which first need to have orders uniqued).
// Product-level numbers.
/* phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared */
$segments_products = $wpdb->get_results(
"SELECT
$segmenting_groupby AS $segmenting_dimension_name
{$segmenting_selections['product_level']}
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
);
/* phpcs:enable */
$totals_segments = $this->merge_segment_totals_results( $segmenting_dimension_name, $segments_products, array() );
return $totals_segments;
}
/**
* Calculate segments for intervals where the segmenting property is bound to product (e.g. category, product_id, variation_id).
*
* @param array $segmenting_selections SELECT part of segmenting SQL query--one for 'product_level' and one for 'order_level'.
* @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 $segmenting_dimension_name Name of the segmenting dimension.
* @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.
* @param string $unique_orders_table Name of temporary SQL table that holds unique orders.
*
* @return array
*/
protected function get_product_related_intervals_segments( $segmenting_selections, $segmenting_from, $segmenting_where, $segmenting_groupby, $segmenting_dimension_name, $table_name, $intervals_query, $unique_orders_table ) {
global $wpdb;
$product_segmenting_table = $wpdb->prefix . 'wc_order_product_lookup';
// LIMIT offset, rowcount needs to be updated to a multiple of the number of segments.
preg_match( '/LIMIT (\d+)\s?,\s?(\d+)/', $intervals_query['limit'], $limit_parts );
$segment_count = count( $this->get_all_segments() );
$orig_offset = intval( $limit_parts[1] );
$orig_rowcount = intval( $limit_parts[2] );
$segmenting_limit = $wpdb->prepare( 'LIMIT %d, %d', $orig_offset * $segment_count, $orig_rowcount * $segment_count );
// Can't get all the numbers from one query, so split it into one query for product-level numbers and one for order-level numbers (which first need to have orders uniqued).
// Product-level numbers.
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$segments_products = $wpdb->get_results(
"SELECT
{$intervals_query['select_clause']} AS time_interval,
$segmenting_groupby AS $segmenting_dimension_name
{$segmenting_selections['product_level']}
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",
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
ARRAY_A
);
$intervals_segments = $this->merge_segment_intervals_results( $segmenting_dimension_name, $segments_products, array() );
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 ) {
global $wpdb;
if ( ! isset( $this->query_args['segmentby'] ) || '' === $this->query_args['segmentby'] ) {
return array();
}
$product_segmenting_table = $wpdb->prefix . 'wc_order_product_lookup';
$unique_orders_table = 'uniq_orders';
$segmenting_where = '';
// Product, variation, and category are bound to product, so here product segmenting table is required,
// while coupon and customer are bound to order, so we don't need the extra JOIN for those.
// This also means that segment selections need to be calculated differently.
if ( 'variation' === $this->query_args['segmentby'] ) {
$product_level_columns = $this->get_segment_selections_product_level( $product_segmenting_table );
$segmenting_selections = array(
'product_level' => $this->prepare_selections( $product_level_columns ),
);
$this->report_columns = $product_level_columns;
$segmenting_from = '';
$segmenting_groupby = $product_segmenting_table . '.variation_id';
$segmenting_dimension_name = 'variation_id';
// Restrict our search space for variation comparisons.
if ( isset( $this->query_args['variation_includes'] ) ) {
$variation_ids = implode( ',', $this->get_all_segments() );
$segmenting_where = " AND $product_segmenting_table.variation_id IN ( $variation_ids )";
}
$segments = $this->get_product_related_segments( $type, $segmenting_selections, $segmenting_from, $segmenting_where, $segmenting_groupby, $segmenting_dimension_name, $table_name, $query_params, $unique_orders_table );
}
return $segments;
}
}
