File includes/admin/reports/class-wc-report-out-of-stock.php

 1 <?php
 2 if ( ! defined( 'ABSPATH' ) )
 3     exit; // Exit if accessed directly
 4 
 5 if ( ! class_exists( 'WC_Report_Stock' ) )
 6     require_once( 'class-wc-report-stock.php' );
 7 
 8 /**
 9  * WC_Report_Out_Of_Stock
10  *
11  * @author      WooThemes
12  * @category    Admin
13  * @package     WooCommerce/Admin/Reports
14  * @version     2.1.0
15  */
16 class WC_Report_Out_Of_Stock extends WC_Report_Stock {
17 
18     /**
19      * No items found text
20      */
21     public function no_items() {
22         _e( 'No out of stock products found.', 'woocommerce' );
23     }
24 
25     /**
26      * Get Products matching stock criteria
27      *
28      * @access public
29      */
30     public function get_items( $current_page, $per_page ) {
31         global $wpdb;
32 
33         $this->max_items = 0;
34         $this->items     = array();
35 
36         // Get products using a query - this is too advanced for get_posts :(
37         $stock = absint( max( get_option( 'woocommerce_notify_no_stock_amount' ), 0 ) );
38 
39         $query_from = "FROM {$wpdb->posts} as posts
40             INNER JOIN {$wpdb->postmeta} AS postmeta ON posts.ID = postmeta.post_id
41             INNER JOIN {$wpdb->postmeta} AS postmeta2 ON posts.ID = postmeta2.post_id
42             WHERE 1=1
43                 AND posts.post_type IN ('product', 'product_variation')
44                 AND posts.post_status = 'publish'
45                 AND (
46                     postmeta.meta_key = '_stock' AND CAST(postmeta.meta_value AS SIGNED) <= '{$stock}' AND postmeta.meta_value != ''
47                 )
48                 AND (
49                     ( postmeta2.meta_key = '_manage_stock' AND postmeta2.meta_value = 'yes' ) OR ( posts.post_type = 'product_variation' )
50                 )
51             ";
52 
53         $this->items     = $wpdb->get_results( $wpdb->prepare( "SELECT posts.ID as id, posts.post_parent as parent {$query_from} GROUP BY posts.ID ORDER BY posts.post_title DESC LIMIT %d, %d;", ( $current_page - 1 ) * $per_page, $per_page ) );
54         $this->max_items = $wpdb->get_var( "SELECT COUNT( DISTINCT posts.ID ) {$query_from};" );
55     }
56 }