From 17bbe4d9ffd4a52d459db14c7034863b9501f74b Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 22 Apr 2022 11:47:42 -0400
Subject: [PATCH] Add system update 20 which corrects an issue in the DB where
 some original/core system pages had an incorrect (though inconsequential)
 created_users_id that referred to the admin page rather than the original
 admin user.

---
 .../System/SystemUpdater/SystemUpdate20.php   | 29 +++++++++++++++++++
 .../System/SystemUpdater/SystemUpdater.module |  2 +-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 wire/modules/System/SystemUpdater/SystemUpdate20.php

diff --git a/wire/modules/System/SystemUpdater/SystemUpdate20.php b/wire/modules/System/SystemUpdater/SystemUpdate20.php
new file mode 100644
index 00000000..9f2b8195
--- /dev/null
+++ b/wire/modules/System/SystemUpdater/SystemUpdate20.php
@@ -0,0 +1,29 @@
+<?php namespace ProcessWire;
+
+/**
+ * Correct created_users_id on some pages from admin page ID to be default superuser ID
+ *
+ */
+class SystemUpdate20 extends SystemUpdate {
+	public function execute() {
+		$this->wire()->addHookAfter('ProcessWire::ready', $this, 'executeAtReady');
+		return 0; // indicates we will update system version ourselves when ready
+	}
+	public function executeAtReady() {
+		$database = $this->wire()->database;
+		$config = $this->wire()->config;
+		/** @var User $u */
+		$u = $this->wire()->users->get($config->superUserPageID); 
+		$superuserId = $u->id && $u->isSuperuser() ? $u->id : 0;
+		$sql = 'UPDATE pages SET created_users_id=:superuser_id WHERE created_users_id=:admin_page_id';
+		$query = $database->prepare($sql);
+		$query->bindValue(':superuser_id', $superuserId, \PDO::PARAM_INT);
+		$query->bindValue(':admin_page_id', $config->adminRootPageID, \PDO::PARAM_INT);
+		$query->execute();
+		$rowCount = $query->rowCount();
+		if($rowCount) $this->message("Updated $rowCount page(s) for correct created_users_id");
+		$this->updater->saveSystemVersion(20);
+	}
+}
+
+
diff --git a/wire/modules/System/SystemUpdater/SystemUpdater.module b/wire/modules/System/SystemUpdater/SystemUpdater.module
index 9e3870da..9d37f1cf 100644
--- a/wire/modules/System/SystemUpdater/SystemUpdater.module
+++ b/wire/modules/System/SystemUpdater/SystemUpdater.module
@@ -26,7 +26,7 @@ class SystemUpdater extends WireData implements Module, ConfigurableModule {
 			 * This version number is important, as this updater keeps the systemVersion up with this version
 			 *
 			 */
-			'version' => 19, 
+			'version' => 20, 
 		);
 	}