Dev: Add wrapper class for plugin config.xml

application/models/PluginConfiguration.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * LimeSurvey
+ * Copyright (C) 2007-2018 The LimeSurvey Project Team / Carsten Schmitz
+ * All rights reserved.
+ * License: GNU/GPL License v2 or later, see LICENSE.php
+ * LimeSurvey is free software. This version may have been modified pursuant
+ * to the GNU General Public License, and as distributed it includes or
+ * is derivative of works licensed under the GNU General Public License or
+ * other free or open source software licenses.
+ * See COPYRIGHT.php for copyright notices and details.
+ */
+
+/**
+ * Thin wrapper class around the plugin config.xml file.
+ */
+class PluginConfiguration
+{
+    /**
+     * @var xml
+     */
+    public $xml;
+
+    /**
+     * 
+     */
+    public function __construct($xml)
+    {
+        $this->xml = $xml;
+    }
+
+    /**
+     * Returns true if this plugin config is compatible with this version of LS.
+     * @return boolean
+     */
+    public function isCompatible()
+    {
+        if (!isset($this->xml->compatibility)) {
+            return false;
+        }
+
+        if (!isset($this->xml->compatibility->version)) {
+            return false;
+        }
+
+        $lsVersion = require \Yii::app()->getBasePath() . '/config/version.php';
+        foreach ($this->xml->compatibility->version as $pluginVersion) {
+            // At least one $v in config.xml must be higher or equal to versionnumber.
+            if (version_compare($lsVersion['versionnumber'], $pluginVersion) >= 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+}