update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/CoreConsole/Commands/ClearCaches.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\Plugins\CoreConsole\Commands;
+
+use Piwik\Filesystem;
+use Piwik\Plugin\ConsoleCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ */
+class ClearCaches extends ConsoleCommand
+{
+    protected function configure()
+    {
+        $this->setName('core:clear-caches');
+        $this->setAliases(array('cache:clear'));
+        $this->setDescription('Cleares all caches. This command can be useful for instance after updating Piwik files manually.');
+    }
+
+    /**
+     * Execute command like: ./console core:clear-caches
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        // Note: the logic for this command must be refactored in this helper function below.
+        Filesystem::deleteAllCacheOnUpdate();
+
+        $this->writeSuccessMessage($output, array('Caches cleared'));
+    }
+}