class.ilDidacticTemplateLocalRoleAction.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once './Services/DidacticTemplate/classes/class.ilDidacticTemplateAction.php';

class ilDidacticTemplateLocalRoleAction extends ilDidacticTemplateAction
{

        private $role_template_id = 0;

        public function __construct($a_action_id = 0)
        {
                parent::__construct($a_action_id);
        }

        public function  getType()
        {
                return self::TYPE_LOCAL_ROLE;
        }

        public function setRoleTemplateId($a_role_template_id)
        {
                $this->role_template_id = $a_role_template_id;
        }

        public function getRoleTemplateId()
        {
                return $this->role_template_id;
        }

        public function apply()
        {
                global $rbacreview, $rbacadmin;

                $source = $this->initSourceObject();

                // Check if role folder already exists
                $rolf_id = $rbacreview->getRoleFolderIdOfObject($source->getRefId());
                if(!$rolf_id)
                {
                        $source->createRoleFolder();
                }
                $rolf_id = $rbacreview->getRoleFolderIdOfObject($source->getRefId());

                $GLOBALS['ilLog']->write(__METHOD__.': Current role folder id is: '.$rolf_id);

                // Create role
                $rolf = ilObjectFactory::getInstanceByRefId($rolf_id,false);
                $role = $rolf->createRole(
                        ilObject::_lookupTitle($this->getRoleTemplateId()),
                        ilObject::_lookupDescription($this->getRoleTemplateId())
                );

                $GLOBALS['ilLog']->write(__METHOD__.': Using rolt: '.$this->getRoleTemplateId().' with title "'.ilObject::_lookupTitle($this->getRoleTemplateId().'". '));

                // Copy template permissions
                $rbacadmin->copyRoleTemplatePermissions(
                        $this->getRoleTemplateId(),
                        ROLE_FOLDER_ID,
                        $rolf->getRefId(),
                        $role->getId(),
                        true
                );

                // Set permissions
                $ops = $rbacreview->getOperationsOfRole($role->getId(),$source->getType(),$rolf->getRefId());
                $rbacadmin->grantPermission($role->getId(),$ops,$source->getRefId());

                return true;
        }

        public function revert()
        {
                // @todo: revert could delete the generated local role. But on the other hand all users 
                // assigned to this local role would be deassigned. E.g. if course or group membership 
                // is handled by didactic templates, all members would get lost.
        }

        public function save()
        {
                global $ilDB;

                parent::save();

                $query = 'INSERT INTO didactic_tpl_alr (action_id,role_template_id) '.
                        'VALUES ( '.
                        $ilDB->quote($this->getActionId(),'integer').', '.
                        $ilDB->quote($this->getRoleTemplateId(),'integer').' '.
                        ') ';
                $res = $ilDB->manipulate($query);

                return true;
        }

        public function delete()
        {
                global $ilDB;

                parent::delete();

                $query = 'DELETE FROM didactic_tpl_alr '.
                        'WHERE action_id = '.$ilDB->quote($this->getActionId(),'integer');
                $ilDB->manipulate($query);

                return true;
        }

        public function  toXml(ilXmlWriter $writer)
        {
                $writer->xmlStartTag('localRoleAction');



                $il_id = 'il_'.IL_INST_ID.'_'.ilObject::_lookupType($this->getRoleTemplateId()).'_'.$this->getRoleTemplateId();

                $writer->xmlStartTag(
                        'roleTemplate',
                        array(
                                'id'    => $il_id
                        )
                );

                include_once './Services/AccessControl/classes/class.ilRoleXmlExport.php';
                $exp = new ilRoleXmlExport();
                $exp->setMode(ilRoleXmlExport::MODE_DTPL);
                $exp->addRole($this->getRoleTemplateId(), ROLE_FOLDER_ID);
                $exp->write();
                $writer->appendXML($exp->xmlDumpMem(FALSE));
                $writer->xmlEndTag('roleTemplate');
                $writer->xmlEndTag('localRoleAction');
        }

        public function read()
        {
                global $ilDB;
                
                parent::read();
                
                $query = 'SELECT * FROM didactic_tpl_alr '.
                        'WHERE action_id = '.$ilDB->quote($this->getActionId(),'integer');
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->setRoleTemplateId($row->role_template_id);
                }
                return true;
        }

}