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✏️ Editing: class-wcml-reports.php

<?php

use WCML\Utilities\DB;

/**
 * This class is responsible for handling legacy WC reports. Legacy WC reports are being phased out in favor of newer WC analytics.
 * Legacy WC reports are not HPOS-compatible: https://github.com/woocommerce/woocommerce/issues/40671
 *
 * @deprecated This class is deprecated and should no longer be used because it's incompatible with HPOS.
 * @link https://onthegosystems.myjetbrains.com/youtrack/issue/wcml-4489
 */
class WCML_Reports{

public $tab;
    public $report;

public function __construct(){

add_action('init', array($this, 'init'));

}

public function init(){

if( isset($_GET['page']) && $_GET['page']==='wc-reports' ) {

$this->tab = isset( $_GET['tab'] ) ? $_GET['tab'] : 'orders';
            $this->report = isset( $_GET['report'] ) ? $_GET['report'] : '';

add_filter( 'woocommerce_reports_get_order_report_query', array( $this, 'filter_reports_query' ), 0 );

if ( $this->tab==='orders' && $this->report==='sales_by_product' ) {
                add_filter( 'woocommerce_reports_get_order_report_data', array( $this, 'combine_report_by_languages' ) );
            }
	        if ( $this->tab==='orders' && $this->report==='sales_by_category' ) {
		        add_filter( 'woocommerce_report_sales_by_category_get_products_in_category', array(
			        $this,
			        'use_categories_in_all_languages'
		        ), 10, 2 );
	        }
        }

add_filter( 'woocommerce_report_most_stocked_query_from', array( $this, 'filter_reports_stock_query' ) );
        add_filter( 'woocommerce_report_out_of_stock_query_from', array( $this, 'filter_reports_stock_query' ) );
        add_filter( 'woocommerce_report_low_in_stock_query_from', array( $this, 'filter_reports_stock_query' ) );

}

public function filter_reports_query($query){
        global $wpdb, $sitepress;

$current_language = $sitepress->get_current_language();
        $active_languages = $sitepress->get_active_languages();

if($this->tab==='orders' && $this->report==='sales_by_product'){

$sparkline_query = strpos( $query[ 'select'], 'sparkline_value' ) !== false;

if(

$sparkline_query ||
                isset( $query[ 'order_by' ] ) && ( $query[ 'order_by' ]==='ORDER BY order_item_qty DESC' || $query[ 'order_by' ]==='ORDER BY order_item_total DESC' )

){

$query[ 'select' ] .= " , order_language.meta_value AS order_language , translations.trid";

$query[ 'join' ] .= " LEFT JOIN {$wpdb->postmeta} order_language ON posts.ID = order_language.post_id";
                $query[ 'where' ] .= " AND order_language.meta_key = 'wpml_language' ";

$query[ 'join' ] .= " LEFT JOIN {$wpdb->prefix}icl_translations translations ON translations.element_id = order_item_meta__product_id.meta_value";
                $query[ 'where' ] .= " AND translations.element_type IN ('post_product','post_product_variation') ";

if(!$sparkline_query){
                    $limit          = (int) trim( str_replace( 'LIMIT ', '', $query['limit'] ) );
                    $query['limit'] = sprintf( ' LIMIT %d ', $limit * count( $active_languages ) );
                }

if($sparkline_query){
                    preg_match("#order_item_meta__product_id\.meta_value = '([0-9]+)'#", $query[ 'where' ], $matches);
                    $product_id = $matches[1];
                    $post_type = get_post_type($product_id);
                    $trid = $sitepress->get_element_trid($product_id, 'post_'.$post_type);
                    $translations = $sitepress->get_element_translations($trid, 'post_'.$post_type, true);
                    $product_ids = array();
                    foreach($translations as $translation){
                        $product_ids[] = $translation->element_id;
                    }

$query[ 'where' ] = str_replace( "order_item_meta__product_id.meta_value = '{$product_id}'", "order_item_meta__product_id.meta_value IN (" . DB::prepareIn( array_filter( $product_ids ), '%d' ) . ")", $query[ 'where' ] );
                }

$query[ 'select' ] .= ', translations.language_code AS language_code_' . esc_sql( str_replace('-', '_', $current_language)  ); // user for per-language caching.

}elseif(
                $query[ 'select' ]==='SELECT SUM( order_item_meta__line_total.meta_value) as order_item_amount' || //sales for the selected items
                $query[ 'select' ]==='SELECT SUM( order_item_meta__qty.meta_value) as order_item_count'         || //purchases for the selected items
                $query[ 'select' ]==='SELECT SUM( order_item_meta__qty.meta_value) as order_item_count, posts.post_date as post_date, order_item_meta__product_id.meta_value as product_id' || //Get orders and dates in range - main chart: order_item_counts
                $query[ 'select' ]==='SELECT SUM( order_item_meta__line_total.meta_value) as order_item_amount, posts.post_date as post_date, order_item_meta__product_id.meta_value as product_id' //Get orders and dates in range - main chart: order_item_amounts

){
                preg_match("#order_item_meta__product_id_array\.meta_value IN $([^$]+)\)#", $query[ 'where' ], $matches);
                $product_ids = array();
                $exp = array_map('trim', explode(',', $matches[1]));
                foreach($exp as $e){
                    $product_ids[] = trim($e, "'");
                }
                $all_product_ids = array();
                foreach($product_ids as $product_id){
                    $post_type = get_post_type($product_id);
                    $trid = $sitepress->get_element_trid($product_id, 'post_'.$post_type);
                    $translations = $sitepress->get_element_translations($trid, 'post_'.$post_type, true);
                    foreach($translations as $translation){
                        $all_product_ids[] = $translation->element_id;
                    }
                }

$query[ 'where' ] = preg_replace( "#order_item_meta__product_id_array\.meta_value IN $([^$]+)\)#", "order_item_meta__product_id_array.meta_value IN (" . DB::prepareIn( array_filter( $all_product_ids ), '%d' ) . ')', $query[ 'where' ] );
            }

}

return $query;
    }

public function combine_report_by_languages($results){
        global $sitepress, $wpdb;

if(is_array($results) && isset($results['0']->order_item_qty)){
            $mode = 'top_sellers';
        }elseif(is_array($results) && isset($results['0']->order_item_total)){
            $mode = 'top_earners';
        }elseif(isset($results['0']->sparkline_value)){
            $mode = 'top_sellers_spark';
        }else{
            return $results;
        }

if(!isset($results['0']->trid)) return $results;

$current_language = $sitepress->get_current_language();

$combined_results = array();

foreach($results as $k => $row){

switch($mode){
                case 'top_sellers':
                case 'top_earners':
                    $key = $row->trid;
                    break;
                case 'top_sellers_spark':
                    $key = $row->trid . '#' . substr($row->post_date, 0, 10);
                    break;
	            default:
	            	$key = null;
            }

if($key && $row->order_language===$current_language){
                $combined_results[$key] = $row;
            }
        }

foreach($results as $k => $row){

if($row->order_language != $current_language){

switch($mode){
                    case 'top_sellers':
                    case 'top_earners':
                        $key = $row->trid;
                        break;
                    case 'top_sellers_spark':
                        $key = $row->trid . '#' . substr($row->post_date, 0, 10);
                        break;
	                default:
		                $key = null;
                }

if($key && isset($combined_results[$key])){

switch($mode){
                        case 'top_sellers':
                            $combined_results[$key]->order_item_qty += $row->order_item_qty;
                            break;
                        case 'top_earners':
                            $combined_results[$key]->order_item_total += $row->order_item_total;
                            break;
                        case 'top_sellers_spark':
                            $combined_results[$key]->sparkline_value += $row->sparkline_value;
                            break;

}

}else{

$default_product_id = apply_filters( 'translate_object_id',$row->product_id, 'product', false, $current_language);

if($default_product_id){
                        $combined_results[$key] = new stdClass();
                        $combined_results[$key]->product_id = $default_product_id;

switch($mode){
                            case 'top_sellers':
                                $combined_results[$key]->order_item_qty = $row->order_item_qty;
                                break;
                            case 'top_earners':
                                $combined_results[$key]->order_item_total = $row->order_item_total;
                                break;
                            case 'top_sellers_spark':
                                $combined_results[$key]->sparkline_value = $row->sparkline_value;
                                $combined_results[$key]->post_date = $row->post_date;
                                break;
                        }

}

switch($mode){
            case 'top_sellers':
                usort($combined_results, array(__CLASS__, 'order_by_quantity'));
                array_slice($combined_results, 0, 12);
                break;
            case 'top_earners':
                usort($combined_results, array(__CLASS__, 'order_by_total'));
                array_slice($combined_results, 0, 12);
                break;
            case 'top_sellers_spark':
                break;

}

foreach($combined_results as $k => $row){
            unset($combined_results[$k]->trid, $combined_results[$k]->order_language);
        }

return $combined_results;
    }

private static function order_by_quantity( $a, $b ) {
		return $b->order_item_qty - $a->order_item_qty;
	}

private static function order_by_total( $a, $b ) {
		return $b->order_item_total - $a->order_item_total;
	}

public function filter_reports_stock_query( $query_from ){
        global $wpdb, $sitepress;

$current_language = $sitepress->get_current_language();

if( $current_language !== 'all' ){
            $query_from = preg_replace("/WHERE/",
                "LEFT JOIN {$wpdb->prefix}icl_translations AS t
                ON posts.ID = t.element_id
                WHERE", $query_from);

$query_from .= " AND t.element_type IN ( 'post_product', 'post_product_variation' ) AND t.language_code = '".$current_language."'";
        }

return $query_from;
    }

public function use_categories_in_all_languages( $product_ids, $category_id ) {
		global $woocommerce_wpml, $sitepress;

$category_term = $woocommerce_wpml->terms->wcml_get_term_by_id( $category_id, 'product_cat' );

if ( ! is_wp_error( $category_term ) ) {
			$trid         = $sitepress->get_element_trid( $category_term->term_taxonomy_id, 'tax_product_cat' );
			$translations = $sitepress->get_element_translations( $trid, 'tax_product_cat', true );

foreach ( $translations as $translation ) {
				if ( $translation->term_id != $category_id ) {
					$term_ids    = get_term_children( $translation->term_id, 'product_cat' );
					$term_ids[]  = $translation->term_id;
					$product_ids = array_merge( array_unique( $product_ids ), get_objects_in_term( $term_ids, 'product_cat' ) );
				}
			}
		}

return $product_ids;
	}

}

MR SKB