<?php
  /**
   * Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  $installedVersion=OCP\Config::getAppValue('calendar', 'installed_version');
  if (version_compare($installedVersion, '0.6.3', '<')) {
  	// TODO: This is a quick and dirty solution, this code needs to move into core
  	$connection = OC_DB::getConnection();
  	$sm = $connection->getSchemaManager();
  	$prefix = OC_Config::getValue('dbtableprefix', 'oc_' );
  	try {
  		$sm->renameTable($prefix.'calendar_objects', $prefix.'clndr_objects');
  		$sm->renameTable($prefix.'calendar_calendars', $prefix.'clndr_calendars');
  		$sm->renameTable($prefix.'calendar_share_event', $prefix.'clndr_share_event');
  		$sm->renameTable($prefix.'calendar_share_calendar', $prefix.'clndr_share_calendar');
  		$sm->renameTable($prefix.'calendar_repeat', $prefix.'clndr_repeat');
  	} catch (Exception $e) {
  		\OCP\Util::writeLog('calendar', 'preupdate: '.$e->getMessage(), \OCP\Util::ERROR);
  	}
  }