update Piwik to version 2.16 (fixes #91)

www/analytics/core/Scheduler/TaskLoader.php

@@ -0,0 +1,39 @@
+<?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\Scheduler;
+
+use Piwik\Plugin\Manager as PluginManager;
+use Piwik\Plugin\Tasks;
+
+/**
+ * Loads scheduled tasks.
+ */
+class TaskLoader
+{
+    /**
+     * @return Task[]
+     */
+    public function loadTasks()
+    {
+        $tasks = array();
+
+        /** @var Tasks[] $pluginTasks */
+        $pluginTasks = PluginManager::getInstance()->findComponents('Tasks', 'Piwik\Plugin\Tasks');
+
+        foreach ($pluginTasks as $pluginTask) {
+            $pluginTask->schedule();
+
+            foreach ($pluginTask->getScheduledTasks() as $task) {
+                $tasks[] = $task;
+            }
+        }
+
+        return $tasks;
+    }
+}