upgrade action

application/Espo/Controllers/Admin.php

@@ -23,7 +23,7 @@
 namespace Espo\Controllers;
 
 use \Espo\Core\Exceptions\Error,
-	\Espo\Core\Exceptions\Forbidden;
+    \Espo\Core\Exceptions\Forbidden;
 
 class Admin extends \Espo\Core\Controllers\Base
 {
@@ -54,6 +54,15 @@ class Admin extends \Espo\Core\Controllers\Base
 
 		return $scheduledJob->getAllNamesOnly();
 	}
+	
+	public function actionUploadUpgradePackage()
+	{
+		throw new Error("Your EspoCRM version doesn't match for this upgrade package.");
+		
+		return array(
+			'version' => '1.1',			
+		);
+	}
 
 }
 

application/Espo/Resources/i18n/en_US/Admin.json

@@ -49,5 +49,9 @@
 		"before": "Before (field)",
 		"link": "Link",
 		"field": "Field"			
+	},
+	"messages": {
+		"upgradeVersion": "Your EspoCRM will be upgraded to version <strong>{version}</strong>. This can take some time.",
+		"upgradeBackup": "We recommend you to make backup of your EspoCRM files and data before upgrade."
 	}
 }