DataStore.php
<?php
/**
* API\Reports\Coupons\Stats\DataStore class file.
*/
namespace Automattic\WooCommerce\Admin\API\Reports\Coupons\Stats;
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Admin\API\Reports\Coupons\DataStore as CouponsDataStore;
use Automattic\WooCommerce\Admin\API\Reports\DataStoreInterface;
use Automattic\WooCommerce\Admin\API\Reports\TimeInterval;
use Automattic\WooCommerce\Admin\API\Reports\SqlQuery;
/**
* API\Reports\Coupons\Stats\DataStore.
*/
class DataStore extends CouponsDataStore implements DataStoreInterface {
/**
* Mapping columns to data type to return correct response types.
*
* @var array
*/
protected $column_types = array(
'date_start' => 'strval',
'date_end' => 'strval',
'date_start_gmt' => 'strval',
'date_end_gmt' => 'strval',
'amount' => 'floatval',
'coupons_count' => 'intval',
'orders_count' => 'intval',
);
/**
* SQL columns to select in the db query.
*
* @var array
*/
protected $report_columns;
/**
* Data store context used to pass to filters.
*
* @var string
*/
protected $context = 'coupons_stats';
/**
* Cache identifier.
*
* @var string
*/
protected $cache_key = 'coupons_stats';
/**
* Assign report columns once full table name has been assigned.
*/
protected function assign_report_columns() {
$table_name = self::get_db_table_name();
$this->report_columns = array(
'amount' => 'SUM(discount_amount) as amount',
'coupons_count' => 'COUNT(DISTINCT coupon_id) as coupons_count',
'orders_count' => "COUNT(DISTINCT {$table_name}.order_id) as orders_count",
);
}
/**
* Updates the database query with parameters used for Products Stats report: categories and order status.
*
* @param array $query_args Query arguments supplied by the user.
*/
protected function update_sql_query_params( $query_args ) {
global $wpdb;
$clauses = array(
'where' => '',
'join' => '',
);
$order_coupon_lookup_table = self::get_db_table_name();
$included_coupons = $this->get_included_coupons( $query_args, 'coupons' );
if ( $included_coupons ) {
$clauses['where'] .= " AND {$order_coupon_lookup_table}.coupon_id IN ({$included_coupons})";
}
$order_status_filter = $this->get_status_subquery( $query_args );
if ( $order_status_filter ) {
$clauses['join'] .= " JOIN {$wpdb->prefix}wc_order_stats ON {$order_coupon_lookup_table}.order_id = {$wpdb->prefix}wc_order_stats.order_id";
$clauses['where'] .= " AND ( {$order_status_filter} )";
}
$this->add_time_period_sql_params( $query_args, $order_coupon_lookup_table );
$this->add_intervals_sql_params( $query_args, $order_coupon_lookup_table );
$clauses['where_time'] = $this->get_sql_clause( 'where_time' );
$this->interval_query->add_sql_clause( 'limit', $this->get_sql_clause( 'limit' ) );
$this->interval_query->add_sql_clause( 'order_by', $this->get_sql_clause( 'order_by' ) );
$this->interval_query->add_sql_clause( 'select', $this->get_sql_clause( 'select' ) );
$this->interval_query->add_sql_clause( 'select', 'AS time_interval' );
foreach ( array( 'join', 'where_time', 'where' ) as $clause ) {
$this->interval_query->add_sql_clause( $clause, $clauses[ $clause ] );
$this->total_query->add_sql_clause( $clause, $clauses[ $clause ] );
}
}
/**
* Returns the report data based on parameters supplied by the user.
*
* @since 3.5.0
* @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' => 'date',
'before' => TimeInterval::default_before(),
'after' => TimeInterval::default_after(),
'fields' => '*',
'interval' => 'week',
'coupons' => 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,
);
$selections = $this->selected_columns( $query_args );
$totals_query = array();
$intervals_query = array();
$limit_params = $this->get_limit_sql_params( $query_args );
$this->update_sql_query_params( $query_args, $totals_query, $intervals_query );
$db_intervals = $wpdb->get_col(
$this->interval_query->get_query_statement()
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
$db_interval_count = count( $db_intervals );
$expected_interval_count = TimeInterval::intervals_between( $query_args['after'], $query_args['before'], $query_args['interval'] );
$total_pages = (int) ceil( $expected_interval_count / $limit_params['per_page'] );
if ( $query_args['page'] < 1 || $query_args['page'] > $total_pages ) {
return $data;
}
$this->total_query->add_sql_clause( 'select', $selections );
$totals = $wpdb->get_results(
$this->total_query->get_query_statement(),
ARRAY_A
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
if ( null === $totals ) {
return $data;
}
// @todo remove these assignements when refactoring segmenter classes to use query objects.
$totals_query = array(
'from_clause' => $this->total_query->get_sql_clause( 'join' ),
'where_time_clause' => $this->total_query->get_sql_clause( 'where_time' ),
'where_clause' => $this->total_query->get_sql_clause( 'where' ),
);
$intervals_query = array(
'select_clause' => $this->get_sql_clause( 'select' ),
'from_clause' => $this->interval_query->get_sql_clause( 'join' ),
'where_time_clause' => $this->interval_query->get_sql_clause( 'where_time' ),
'where_clause' => $this->interval_query->get_sql_clause( 'where' ),
'limit' => $this->get_sql_clause( 'limit' ),
);
$segmenter = new Segmenter( $query_args, $this->report_columns );
$totals[0]['segments'] = $segmenter->get_totals_segments( $totals_query, $table_name );
$totals = (object) $this->cast_numbers( $totals[0] );
// Intervals.
$this->update_intervals_sql_params( $query_args, $db_interval_count, $expected_interval_count, $table_name );
$this->interval_query->add_sql_clause( 'select', ", MAX({$table_name}.date_created) AS datetime_anchor" );
if ( '' !== $selections ) {
$this->interval_query->add_sql_clause( 'select', ', ' . $selections );
}
$intervals = $wpdb->get_results(
$this->interval_query->get_query_statement(),
ARRAY_A
); // WPCS: cache ok, DB call ok, unprepared SQL ok.
if ( null === $intervals ) {
return $data;
}
$data = (object) array(
'totals' => $totals,
'intervals' => $intervals,
'total' => $expected_interval_count,
'pages' => $total_pages,
'page_no' => (int) $query_args['page'],
);
if ( TimeInterval::intervals_missing( $expected_interval_count, $db_interval_count, $limit_params['per_page'], $query_args['page'], $query_args['order'], $query_args['orderby'], count( $intervals ) ) ) {
$this->fill_in_missing_intervals( $db_intervals, $query_args['adj_after'], $query_args['adj_before'], $query_args['interval'], $data );
$this->sort_intervals( $data, $query_args['orderby'], $query_args['order'] );
$this->remove_extra_records( $data, $query_args['page'], $limit_params['per_page'], $db_interval_count, $expected_interval_count, $query_args['orderby'], $query_args['order'] );
} else {
$this->update_interval_boundary_dates( $query_args['after'], $query_args['before'], $query_args['interval'], $data->intervals );
}
$segmenter->add_intervals_segments( $data, $intervals_query, $table_name );
$this->create_interval_subtotals( $data->intervals );
$this->set_cached_data( $cache_key, $data );
}
return $data;
}
/**
* Initialize query objects.
*/
protected function initialize_queries() {
$this->clear_all_clauses();
unset( $this->subquery );
$this->total_query = new SqlQuery( $this->context . '_total' );
$this->total_query->add_sql_clause( 'from', self::get_db_table_name() );
$this->interval_query = new SqlQuery( $this->context . '_interval' );
$this->interval_query->add_sql_clause( 'from', self::get_db_table_name() );
$this->interval_query->add_sql_clause( 'group_by', 'time_interval' );
}
}
