plugins/Marketplace/Environment.php


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<?php
/**
 * Matomo - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugins\Marketplace;

use Piwik\Common;
use Piwik\Db;
use Piwik\Plugin\ReleaseChannels;
use Piwik\Plugins\CoreUpdater\ReleaseChannel;
use Piwik\Version;

class Environment
{
    /**
     * @var ReleaseChannel
     */
    private $releaseChannel;

    private $usersCache = null;
    private $websitesCache = null;
    private $mySqlCache = null;
    private $piwikVersion = null;

    public function __construct(ReleaseChannels $releaseChannels)
    {
        $this->releaseChannel = $releaseChannels->getActiveReleaseChannel();
    }

    public function setPiwikVersion($piwikVersion)
    {
        $this->piwikVersion = $piwikVersion;
    }

    public function getNumUsers()
    {
        if (!isset($this->usersCache)) {
            $this->usersCache = (int) Db::get()->fetchOne('SELECT count(login) FROM ' . Common::prefixTable('user') . ' WHERE login <> "anonymous" ');
        }

        return $this->usersCache;
    }

    public function getNumWebsites()
    {
        if (!isset($this->websitesCache)) {
            $this->websitesCache = (int) Db::get()->fetchOne('SELECT count(idsite) FROM ' . Common::prefixTable('site'));
        }

        return $this->websitesCache;
    }

    public function getPhpVersion()
    {
        return PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION;
    }

    public function getPiwikVersion()
    {
        if (!empty($this->piwikVersion)) {
            return $this->piwikVersion;
        }

        return Version::VERSION;
    }

    public function doesPreferStable()
    {
        if (!empty($this->releaseChannel)) {
            return $this->releaseChannel->doesPreferStable();
        }

        return true;
    }

    public function getReleaseChannel()
    {
        if (!empty($this->releaseChannel)) {
            return $this->releaseChannel->getId();
        }
    }

    public function getMySQLVersion()
    {
        if (isset($this->mySqlCache)) {
            return $this->mySqlCache;
        }

        $this->mySqlCache = '';

        $db = Db::get();
        if (method_exists($db, 'getServerVersion')) {
            $this->mySqlCache = $db->getServerVersion();
        }

        return $this->mySqlCache;
    }


}