update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/CoreUpdater/Commands/Update/CliUpdateObserver.php

@@ -0,0 +1,54 @@
+<?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\CoreUpdater\Commands\Update;
+
+use Piwik\Updater\UpdateObserver;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * UpdateObserver used to output progress of an update initiated on the command line. Prints the currently
+ * executing query and the total number of queries to run.
+ *
+ * @package CoreUpdater
+ */
+class CliUpdateObserver extends UpdateObserver
+{
+    /**
+     * @var OutputInterface
+     */
+    private $output;
+
+    /**
+     * @var int
+     */
+    private $totalMigrationQueryCount;
+
+    /**
+     * @var int
+     */
+    private $currentMigrationQueryExecutionCount = 0;
+
+    public function __construct(OutputInterface $output, $totalMigrationQueryCount)
+    {
+        $this->output = $output;
+        $this->totalMigrationQueryCount = $totalMigrationQueryCount;
+    }
+
+    public function onStartExecutingMigrationQuery($updateFile, $sql)
+    {
+        $this->output->write("  Executing <comment>$sql</comment>... ");
+
+        ++$this->currentMigrationQueryExecutionCount;
+    }
+
+    public function onFinishedExecutingMigrationQuery($updateFile, $sql)
+    {
+        $this->output->writeln("Done. <info>[{$this->currentMigrationQueryExecutionCount} / {$this->totalMigrationQueryCount}]</info>");
+    }
+}