installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/admin/upgrades/v3/class-order-notes.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * 3.0 Data Migration - Order Notes.
+ *
+ * @subpackage  Admin/Upgrades/v3
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       3.0
+ */
+namespace EDD\Admin\Upgrades\v3;
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Order_Notes Class.
+ *
+ * @since 3.0
+ */
+class Order_Notes extends Base {
+
+	/**
+	 * Constructor.
+	 *
+	 * @param int $step Step.
+	 */
+	public function __construct( $step = 1 ) {
+		parent::__construct( $step );
+
+		$this->completed_message = __( 'Order notes migration completed successfully.', 'easy-digital-downloads' );
+		$this->upgrade           = 'migrate_order_notes';
+	}
+
+	/**
+	 * Retrieve the data pertaining to the current step and migrate as necessary.
+	 *
+	 * @since 3.0
+	 *
+	 * @return bool True if data was migrated, false otherwise.
+	 */
+	public function get_data() {
+		$offset = ( $this->step - 1 ) * $this->per_step;
+
+		$results = $this->get_db()->get_results( $this->get_db()->prepare(
+			"SELECT *
+			 FROM {$this->get_db()->comments}
+			 WHERE comment_type = %s
+			 ORDER BY comment_id ASC
+			 LIMIT %d, %d",
+			esc_sql( 'edd_payment_note' ), $offset, $this->per_step
+		) );
+
+		if ( ! empty( $results ) ) {
+			foreach ( $results as $result ) {
+				$result->object_id = $result->comment_post_ID;
+				Data_Migrator::order_notes( $result );
+			}
+
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Calculate the percentage completed.
+	 *
+	 * @since 3.0
+	 *
+	 * @return float Percentage.
+	 */
+	public function get_percentage_complete() {
+		$total = $this->get_db()->get_var( $this->get_db()->prepare( "SELECT COUNT(comment_ID) AS count FROM {$this->get_db()->comments} WHERE comment_type = %s", esc_sql( 'edd_payment_note' ) ) );
+
+		if ( empty( $total ) ) {
+			$total = 0;
+		}
+
+		$percentage = 100;
+
+		if ( $total > 0 ) {
+			$percentage = ( ( $this->per_step * $this->step ) / $total ) * 100;
+		}
+
+		if ( $percentage > 100 ) {
+			$percentage = 100;
+		}
+
+		return $percentage;
+	}
+}