abhi1693/yii2-installer

<?php
    /**
     * Created by PhpStorm.
     * User: Abhimanyu
     * Date: 08-02-2015
     * Time: 11:29
     */
    namespace abhimanyu\installer;

    use abhimanyu\installer\helpers\Configuration;
    use abhimanyu\installer\helpers\enums\Configuration as Enum;
    use Yii;
    use yii\base\Module as BaseModule;
    use yii\db\Exception;
    use yii\helpers\Html;

    class InstallerModule extends BaseModule
    {
        const VERSION = '0.0.4';

        public static function getAuthor()
        {
            return 'Abhimanyu Saharan';
        }

        public static function getAuthorEmail()
        {
            return 'abhimanyu@teamvulcans.com';
        }

        public static function poweredBy($text = '', $url = '')
        {
            if (empty($text)) {
                $text = 'Powered By Startup-Kit - ' . InstallerModule::getVersion();
            }

            if (empty($url)) {
                $url = 'https://github.com/abhi1693/yii2-app-advanced-startup-kit';
            }

            return Html::a(Html::encode($text), $url);
        }

        public static function getVersion()
        {
            return static::VERSION;
        }

        /**
         * Checks if database connections works
         *
         * @return boolean
         */
        public static function checkDbConnection()
        {
            try {
                // Check DB Connection
                Yii::$app->db->isActive;

                return TRUE;
            } catch (Exception $e) {
                print_r($e->getMessage());
            }

            return FALSE;
        }

        /**
         * Checks if the application is already configured.
         */
        public static function isConfigured()
        {
            if (Yii::$app->config->get(Enum::APP_SECRET) != '') {
                return TRUE;
            }

            return FALSE;
        }

        /**
         * Sets application in installed state (disables installer)
         */
        public static function setInstalled()
        {
            // Set App secret
            Yii::$app->config->set(Enum::APP_SECRET, md5(uniqid(time(), TRUE)));

            $param = Configuration::getParam();
            $param[Enum::APP_INSTALLED] = TRUE;
            Configuration::setParam($param);
        }
    }