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File Content: `class-gf-background-upgrader.php`

<?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
 */

use Gravity_Forms\Gravity_Forms\Async\GF_Background_Process;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Gravity_Forms\Gravity_Forms\Async\GF_Background_Process' ) ) {
	require_once GF_PLUGIN_DIR_PATH . 'includes/async/class-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 ) ) {
			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();
	}

}

Name	Size	Permission
addon	---	0755
ajax	---	0755
assets	---	0755
async	---	0755
author-select	---	0755
blocks	---	0755
config	---	0755
duplicate-submissions	---	0755
editor-button	---	0755
embed-form	---	0755
environment-config	---	0755
external-api	---	0755
fields	---	0755
form-display	---	0755
form-editor	---	0755
form-switcher	---	0755
honeypot	---	0755
legacy	---	0755
libraries	---	0755
license	---	0755
locking	---	0755
logging	---	0755
merge-tags	---	0755
messages	---	0755
notification	---	0755
orders	---	0755
phpqrcode	---	0755
post-custom-field-select	---	0755
query	---	0755
save-form	---	0755
settings	---	0755
setup-wizard	---	0755
splash-page	---	0755
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telemetry	---	0755
template-library	---	0755
templates	---	0755
theme-layers	---	0755
transients	---	0755
updates	---	0755
util	---	0755
webapi	---	0755
wizard	---	0755
api.php	101499 bytes	0644
class-confirmation.php	34714 bytes	0644
class-gf-background-upgrader.php	2408 bytes	0644
class-gf-download.php	7669 bytes	0644
class-gf-osdxp.php	10153 bytes	0644
class-gf-service-container.php	1908 bytes	0644
class-gf-service-provider.php	2659 bytes	0644
class-gf-upgrade.php	74277 bytes	0644
class-gravity-api.php	16408 bytes	0644
class-personal-data.php	40638 bytes	0644
class-translationspress-updater.php	12652 bytes	0644
index.php	27 bytes	0644
trait-redirects-on-save.php	2230 bytes	0644
upload.php	18793 bytes	0644

File Content: class-gf-background-upgrader.php

File Content: `class-gf-background-upgrader.php`