plugin install

wp/wp-content/plugins/gravityforms/includes/class-gf-background-upgrader.php

@@ -0,0 +1,105 @@
+<?php
+/**
+ * Background Upgrader
+ *
+ * Uses https://github.com/A5hleyRich/wp-background-processing to handle DB
+ * updates in the background.
+ *
+ * @class    GF_Background_Upgrader
+ * @version  2.3
+ * @category Class
+ * @author   Rocketgenius
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+if ( ! class_exists( 'GF_Background_Process' ) ) {
+	require_once GF_PLUGIN_DIR_PATH . 'includes/libraries/gf-background-process.php';
+}
+
+/**
+ * GF_Background_Upgrader Class.
+ */
+class GF_Background_Upgrader extends GF_Background_Process {
+
+	/**
+	 * @var string
+	 */
+	protected $action = 'gf_upgrader';
+	
+	/**
+	 * Returns the data for the background upgrader.
+	 *
+	 * @since 2.3
+	 *
+	 * @return array
+	 */
+	public function get_data() {
+		return $this->data;
+	}
+
+	/**
+	 * Is the queue empty for all blogs?
+	 *
+	 * @since 2.3
+	 *
+	 * @return bool
+	 */
+	public function is_queue_empty() {
+		return parent::is_queue_empty();
+	}
+
+	/**
+	 * Is the updater running?
+	 * @return boolean
+	 */
+	public function is_updating() {
+		return false === $this->is_queue_empty();
+	}
+
+	/**
+	 * Task
+	 *
+	 * Override this method to perform any actions required on each
+	 * queue item. Return the modified item for further processing
+	 * in the next pass through. Or, return false to remove the
+	 * item from the queue.
+	 *
+	 * @param string $callback Update callback function
+	 * @return mixed
+	 */
+	protected function task( $callback ) {
+		if ( ! defined( 'GF_UPGRADING' ) ) {
+			define( 'GF_UPGRADING', true );
+		}
+
+		if ( is_callable( $callback ) ) {
+			remove_filter( 'query', array( 'GFForms', 'filter_query' ) );
+			GFCommon::log_debug( sprintf( '%s(): Running callback: %s', __METHOD__, print_r( $callback, 1 ) ) );
+			$needs_more_time = call_user_func( $callback );
+			if ( $needs_more_time ) {
+				GFCommon::log_debug( sprintf( '%s(): Callback needs another run: %s', __METHOD__, print_r( $callback, 1 ) ) );
+				return $callback;
+			} else {
+				GFCommon::log_debug( sprintf( '%s(): Finished callback: %s', __METHOD__, print_r( $callback, 1 ) ) );
+			}
+		} else {
+			GFCommon::log_debug( sprintf( '%s(): Could not find callback: %s', __METHOD__, print_r( $callback, 1 ) ) );
+		}
+
+		return false;
+	}
+
+	/**
+	 * Complete
+	 *
+	 * Override if applicable, but ensure that the below actions are
+	 * performed, or, call parent::complete().
+	 */
+	protected function complete() {
+		parent::complete();
+	}
+
+}