class.ilTermsOfServiceHelper.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilTermsOfServiceHelper
{
        public static function isEnabled()
        {
                global $DIC;

                return (bool)$DIC['ilSetting']->get('tos_status', 0);
        }

        public static function setStatus($status)
        {
                global $DIC;

                $DIC['ilSetting']->set('tos_status', (int)$status);
        }

        public static function deleteAcceptanceHistoryByUser($usr_id)
        {
                $entity       = self::getEntityFactory()->getByName('ilTermsOfServiceAcceptanceEntity');
                $data_gateway = self::getDataGatewayFactory()->getByName('ilTermsOfServiceAcceptanceDatabaseGateway');
                $entity->setUserId($usr_id);
                $data_gateway->deleteAcceptanceHistoryByUser($entity);
        }

        public static function getCurrentAcceptanceForUser(ilObjUser $user)
        {
                $entity       = self::getEntityFactory()->getByName('ilTermsOfServiceAcceptanceEntity');
                $data_gateway = self::getDataGatewayFactory()->getByName('ilTermsOfServiceAcceptanceDatabaseGateway');
                $entity->setUserId($user->getId());
                return $data_gateway->loadCurrentAcceptanceOfUser($entity);
        }

        public static function getById($id)
        {
                $entity       = self::getEntityFactory()->getByName('ilTermsOfServiceAcceptanceEntity');
                $data_gateway = self::getDataGatewayFactory()->getByName('ilTermsOfServiceAcceptanceDatabaseGateway');
                $entity->setId($id);
                return $data_gateway->loadById($entity);
        }

        public static function trackAcceptance(ilObjUser $user, ilTermsOfServiceSignableDocument $document)
        {
                if(self::isEnabled() && $document->exists())
                {
                        $entity       = self::getEntityFactory()->getByName('ilTermsOfServiceAcceptanceEntity');
                        $data_gateway = self::getDataGatewayFactory()->getByName('ilTermsOfServiceAcceptanceDatabaseGateway');
                        $entity->setUserId($user->getId());
                        $entity->setTimestamp(time());
                        $entity->setIso2LanguageCode($document->getIso2LanguageCode());
                        $entity->setSource($document->getSource());
                        $entity->setSourceType($document->getSourceType());
                        $entity->setText($document->getContent());
                        $entity->setHash(md5($document->getContent()));
                        $data_gateway->trackAcceptance($entity);

                        $user->writeAccepted(); // <- Has to be refactored in future releases

                        $user->hasToAcceptTermsOfServiceInSession(false);
                }
        }

        private static function getEntityFactory()
        {
                require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceEntityFactory.php';
                return new ilTermsOfServiceEntityFactory();
        }

        private static function getDataGatewayFactory()
        {
                global $DIC;

                require_once 'Services/TermsOfService/classes/class.ilTermsOfServiceDataGatewayFactory.php';
                $factory = new ilTermsOfServiceDataGatewayFactory();
                $factory->setDatabaseAdapter($DIC['ilDB']);
                return $factory;
        }
}