owncloud/core

<?php
/**
 * @author Joas Schilling <coding@schilljs.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Console;

use OCP\IConfig;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Formatter\OutputFormatterStyleInterface;

class TimestampFormatter implements OutputFormatterInterface {
    /** @var IConfig */
    protected $config;

    /** @var OutputFormatterInterface  */
    private $formatter;

    /**
     * @param IConfig $config
     * @param OutputFormatterInterface $formatter
     */
    public function __construct(IConfig $config, OutputFormatterInterface $formatter) {
        $this->config = $config;
        $this->formatter = $formatter;
    }

    /**
     * Sets the decorated flag.
     *
     * @param bool $decorated Whether to decorate the messages or not
     */
    public function setDecorated($decorated) {
        $this->formatter->setDecorated($decorated);
    }

    /**
     * Gets the decorated flag.
     *
     * @return bool true if the output will decorate messages, false otherwise
     */
    public function isDecorated() {
        return $this->formatter->isDecorated();
    }

    /**
     * Sets a new style.
     *
     * @param string $name The style name
     * @param OutputFormatterStyleInterface $style The style instance
     */
    public function setStyle($name, OutputFormatterStyleInterface $style) {
        $this->formatter->setStyle($name, $style);
    }

    /**
     * Checks if output formatter has style with specified name.
     *
     * @param string $name
     * @return bool
     */
    public function hasStyle($name) {
        return $this->formatter->hasStyle($name);
    }

    /**
     * Gets style options from style with specified name.
     *
     * @param string $name
     * @return OutputFormatterStyleInterface
     */
    public function getStyle($name) {
        return $this->formatter->getStyle($name);
    }

    /**
     * Formats a message according to the given styles.
     *
     * @param string $message The message to style
     * @return string The styled message, prepended with a timestamp using the
     * log timezone and dateformat, e.g. "2015-06-23T17:24:37+02:00"
     */
    public function format($message) {
        $timeZone = $this->config->getSystemValue('logtimezone', null);
        $timeZone = $timeZone !== null ? new \DateTimeZone($timeZone) : null;

        $time = new \DateTime('now', $timeZone);
        $timestampInfo = $time->format($this->config->getSystemValue('logdateformat', 'c'));

        return $timestampInfo . ' ' . $this->formatter->format($message);
    }
}