initial commit

includes/admin/reports/class-wc-report-low-in-stock.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * WC_Report_Low_In_Stock.
+ *
+ * @package WooCommerce\Admin\Reports
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+if ( ! class_exists( 'WC_Report_Stock' ) ) {
+	require_once dirname( __FILE__ ) . '/class-wc-report-stock.php';
+}
+
+/**
+ * Low stock report class.
+ */
+class WC_Report_Low_In_Stock extends WC_Report_Stock {
+
+	/**
+	 * No items found text.
+	 */
+	public function no_items() {
+		esc_html_e( 'No low in stock products found.', 'woocommerce' );
+	}
+
+	/**
+	 * Get Products matching stock criteria.
+	 *
+	 * @param int $current_page Current page number.
+	 * @param int $per_page How many results to show per page.
+	 */
+	public function get_items( $current_page, $per_page ) {
+		global $wpdb;
+
+		$this->max_items = 0;
+		$this->items     = array();
+
+		$stock   = absint( max( get_option( 'woocommerce_notify_low_stock_amount' ), 1 ) );
+		$nostock = absint( max( get_option( 'woocommerce_notify_no_stock_amount' ), 0 ) );
+
+		$query_from = apply_filters(
+			'woocommerce_report_low_in_stock_query_from',
+			$wpdb->prepare(
+				"
+				FROM {$wpdb->posts} as posts
+				INNER JOIN {$wpdb->wc_product_meta_lookup} AS lookup ON posts.ID = lookup.product_id
+				WHERE 1=1
+				AND posts.post_type IN ( 'product', 'product_variation' )
+				AND posts.post_status = 'publish'
+				AND lookup.stock_quantity <= %d
+				AND lookup.stock_quantity > %d
+				",
+				$stock,
+				$nostock
+			)
+		);
+
+		$this->items     = $wpdb->get_results( $wpdb->prepare( "SELECT SQL_CALC_FOUND_ROWS posts.ID as id, posts.post_parent as parent {$query_from} ORDER BY posts.post_title DESC LIMIT %d, %d;", ( $current_page - 1 ) * $per_page, $per_page ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
+		$this->max_items = $wpdb->get_var( 'SELECT FOUND_ROWS();' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
+	}
+}