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msd2/tracking/piwik/plugins/CustomPiwikJs/TrackingCode/PluginTrackerFiles.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link    http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Plugins\CustomPiwikJs\TrackingCode;
+
+use Piwik\Piwik;
+use Piwik\Plugin;
+use Piwik\Plugins\CustomPiwikJs\File;
+
+class PluginTrackerFiles
+{
+    const TRACKER_FILE = 'tracker.js';
+    const MIN_TRACKER_FILE = 'tracker.min.js';
+
+    /**
+     * @var string
+     */
+    protected $dir;
+
+    /**
+     * @var Plugin\Manager
+     */
+    private $pluginManager;
+
+    /**
+     * @var bool
+     */
+    protected $ignoreMinified = false;
+
+    public function __construct()
+    {
+        $this->dir = PIWIK_DOCUMENT_ROOT . '/plugins/';
+        $this->pluginManager = Plugin\Manager::getInstance();
+    }
+
+    public function ignoreMinified()
+    {
+        $this->ignoreMinified = true;
+    }
+
+    /**
+     * @return File[]
+     */
+    public function find()
+    {
+        $jsFiles = array();
+
+        if (!$this->ignoreMinified) {
+            $trackerFiles = \_glob($this->dir . '*/' . self::MIN_TRACKER_FILE);
+
+            foreach ($trackerFiles as $trackerFile) {
+                $plugin = $this->getPluginNameFromFile($trackerFile);
+                if ($this->isPluginActivated($plugin)) {
+                    $jsFiles[$plugin] = new File($trackerFile);
+                }
+            }
+        }
+
+        $trackerFiles = \_glob($this->dir . '*/' . self::TRACKER_FILE);
+
+        foreach ($trackerFiles as $trackerFile) {
+            $plugin = $this->getPluginNameFromFile($trackerFile);
+            if (!isset($jsFiles[$plugin])) {
+                if ($this->isPluginActivated($plugin)) {
+                    $jsFiles[$plugin] = new File($trackerFile);
+                }
+            }
+        }
+
+        foreach ($jsFiles as $plugin => $file) {
+            if (!$this->shouldIncludeFile($plugin)) {
+                unset($jsFiles[$plugin]);
+            }
+        }
+
+        return $jsFiles;
+    }
+
+    protected function shouldIncludeFile($pluginName)
+    {
+        $shouldAddFile = true;
+
+        /**
+         * Detect if a custom tracker file should be added to the piwik.js tracker or not.
+         *
+         * This is useful for example if a plugin only wants to add its tracker file when the plugin is configured.
+         *
+         * @param bool &$shouldAddFile Decides whether the tracker file belonging to the given plugin should be added or not.
+         * @param string $pluginName The name of the plugin this file belongs to
+         */
+        Piwik::postEvent('CustomPiwikJs.shouldAddTrackerFile', array(&$shouldAddFile, $pluginName));
+
+        return $shouldAddFile;
+    }
+
+    protected function isPluginActivated($pluginName)
+    {
+        return $this->pluginManager->isPluginActivated($pluginName);
+    }
+
+    protected function getPluginNameFromFile($file)
+    {
+        $file = str_replace(array($this->dir, self::TRACKER_FILE, self::MIN_TRACKER_FILE), '', $file);
+        return trim($file, '/');
+    }
+}