From 4cc8e56e9d98e551d9e32fd08e2c4b80e99a768b Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 31 Jul 2020 08:06:14 -0400
Subject: [PATCH] Add system update 18 for processwire/processwire-issues#1171

---
 .../System/SystemUpdater/SystemUpdate18.php   | 24 +++++++++++++++++++
 .../System/SystemUpdater/SystemUpdater.module |  8 +++----
 2 files changed, 28 insertions(+), 4 deletions(-)
 create mode 100644 wire/modules/System/SystemUpdater/SystemUpdate18.php

diff --git a/wire/modules/System/SystemUpdater/SystemUpdate18.php b/wire/modules/System/SystemUpdater/SystemUpdate18.php
new file mode 100644
index 00000000..01e2c1cc
--- /dev/null
+++ b/wire/modules/System/SystemUpdater/SystemUpdate18.php
@@ -0,0 +1,24 @@
+<?php namespace ProcessWire;
+
+/**
+ * Loads file/image fields to ensure their schema is up-to-date and avoid an error message
+ * 
+ *
+ */
+class SystemUpdate18 extends SystemUpdate {
+	public function execute() {
+		$this->wire()->addHookAfter('ProcessWire::ready', $this, 'executeAtReady');
+		return 0; // indicates we will update system version ourselves when ready
+	}
+	public function executeAtReady() {
+		foreach($this->wire()->fields as $field) {
+			if($field->type instanceof FieldtypeFile) {
+				try {
+					$field->type->getDatabaseSchema($field);
+				} catch(\Exception $e) { }
+			}
+		}
+		$this->updater->saveSystemVersion(18);
+	}
+}
+
diff --git a/wire/modules/System/SystemUpdater/SystemUpdater.module b/wire/modules/System/SystemUpdater/SystemUpdater.module
index 51e26435..2d98e241 100644
--- a/wire/modules/System/SystemUpdater/SystemUpdater.module
+++ b/wire/modules/System/SystemUpdater/SystemUpdater.module
@@ -5,7 +5,7 @@
  * 
  * ProcessWire System Helper Module
  *
- * ProcessWire 3.x, Copyright 2019 by Ryan Cramer
+ * ProcessWire 3.x, Copyright 2020 by Ryan Cramer
  * https://processwire.com
  * 
  * @method coreVersionChange($fromVersion, $toVersion)
@@ -26,8 +26,8 @@ class SystemUpdater extends WireData implements Module, ConfigurableModule {
 			 * This version number is important, as this updater keeps the systemVersion up with this version
 			 *
 			 */
-			'version' => 17, 
-			);
+			'version' => 18, 
+		);
 	}
 
 	protected $configData = array(
@@ -35,7 +35,7 @@ class SystemUpdater extends WireData implements Module, ConfigurableModule {
 		// can represent anything about the system that's related to the individual installation.
 		// 0 = the first version when this module was created, should remain there. 
 		'systemVersion' => 0, 
-		);
+	);
 
 	/**
 	 * Number of updates that were applied during this request