From c97627dea31660890d0d140ab3d564c1ac2c64b5 Mon Sep 17 00:00:00 2001
From: Llewellyn van der Merwe <llewellyn@vdm.io>
Date: Thu, 16 Dec 2021 15:15:47 +0200
Subject: [PATCH] update - v1.0.0

---
 componentbuilderpowersautoloadercompiler.xml |  2 +-
 script.php                                   | 25 +++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/componentbuilderpowersautoloadercompiler.xml b/componentbuilderpowersautoloadercompiler.xml
index 94e5520..92ecc52 100644
--- a/componentbuilderpowersautoloadercompiler.xml
+++ b/componentbuilderpowersautoloadercompiler.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <extension type="plugin" version="4" group="extension" method="upgrade">
 	<name>PLG_EXTENSION_COMPONENTBUILDERPOWERSAUTOLOADERCOMPILER</name>
-	<creationDate>3rd December, 2021</creationDate>
+	<creationDate>16th December, 2021</creationDate>
 	<author>Llewellyn van der Merwe</author>
 	<authorEmail>joomla@vdm.io</authorEmail>
 	<authorUrl>https://dev.vdm.io</authorUrl>
diff --git a/script.php b/script.php
index f42a53e..1463017 100644
--- a/script.php
+++ b/script.php
@@ -43,11 +43,34 @@ class plgExtensionComponentbuilderPowersAutoloaderCompilerInstallerScript
 
 		if ('install' === $route)
 		{
+
 			// check that componentbuilder is installed
 			$pathToCore = JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php';
 			if (!JFile::exists($pathToCore))
 			{
-				$app->enqueueMessage('Joomla Component Builder must first be installed from <a href="https://www.joomlacomponentbuilder.com/ " target="_blank">Joomla Component Builder</a>.', 'error');
+				$app->enqueueMessage('JCB must first be installed from <a href="https://git.vdm.dev/joomla/Component-Builder-Pro/" target="_blank">Joomla Component Builder</a>.', 'error');
+				return false;
+			}
+			// load the helper class
+			JLoader::register('ComponentbuilderHelper', JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php');
+			// block install
+			$blockInstall = true;
+			// check the version of JCB
+			$manifest = ComponentbuilderHelper::manifest();
+			if (isset($manifest->version) && strpos($manifest->version, '.') !== false)
+			{
+				// get the version
+				$jcbVersion = explode('.', $manifest->version);
+				// check that we have JCB 3 or higher installed
+				if (count($jcbVersion) == 3 && $jcbVersion[0] >= 3)
+				{
+					$blockInstall = false;
+				}
+			}
+			// allow install if all conditions are met
+			if ($blockInstall)
+			{
+				$app->enqueueMessage('Please upgrade to JCB-Pro v3.0.0 or higher before installing this plugin.', 'error');
 				return false;
 			}
 		}