class.ilECSCmsCourseCommandQueueHandler.php

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<?php

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

include_once './Services/WebServices/ECS/interfaces/interface.ilECSCommandQueueHandler.php';
include_once './Services/WebServices/ECS/classes/class.ilECSSetting.php';
include_once './Services/WebServices/ECS/classes/class.ilECSParticipantSetting.php';


class ilECSCmsCourseCommandQueueHandler implements ilECSCommandQueueHandler
{
        private $server = null;
        private $mid = 0;
        
        
        public function __construct(ilECSSetting $server)
        {
                $this->server = $server;
        }
        
        public function getServer()
        {
                return $this->server;
        }
        
        public function getMid()
        {
                return $this->mid;
        }
        
        public function checkAllocationActivation(ilECSSetting $server, $a_content_id)
        {
                try 
                {
                        include_once './Services/WebServices/ECS/classes/Course/class.ilECSCourseConnector.php';
                        $crs_reader = new ilECSCourseConnector($server);
                        $details = $crs_reader->getCourse($a_content_id,true);
                        $this->mid = $details->getMySender();
                        
                        // Check if import is enabled
                        include_once './Services/WebServices/ECS/classes/class.ilECSParticipantSetting.php';
                        $part = ilECSParticipantSetting::getInstance($this->getServer()->getServerId(), $this->getMid());
                        if(!$part->isImportEnabled())
                        {
                                $GLOBALS['ilLog']->write(__METHOD__.': Import disabled for mid '.$this->getMid());
                                return false;
                        }
                        // Check course allocation setting
                        include_once './Services/WebServices/ECS/classes/Mapping/class.ilECSNodeMappingSettings.php';
                        $gl_settings = ilECSNodeMappingSettings::getInstanceByServerMid(
                                        $this->getServer()->getServerId(),
                                        $this->getMid()
                                );
                        $enabled = $gl_settings->isCourseAllocationEnabled();
                        if(!$enabled)
                        {
                                $GLOBALS['ilLog']->write(__METHOD__.': Course allocation disabled for '.$this->getMid());
                        }
                        return $enabled;
                }
                catch(ilECSConnectorException $e) 
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Reading course details failed with message '. $e->getMessage());
                        return false;
                }               
        }


        public function handleCreate(ilECSSetting $server, $a_content_id)
        {
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsData.php';
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsTree.php';
                include_once './Services/WebServices/ECS/classes/Course/class.ilECSCourseConnector.php';

                if(!$this->checkAllocationActivation($server, $a_content_id))
                {
                        return true;
                }
                try 
                {
                        $course = $this->readCourse($server,$a_content_id);
                        $GLOBALS['ilLog']->write(__METHOD__.': '. print_r($course,true));
                        $this->doUpdate($a_content_id, $course);
                        return true;
                }
                catch(ilECSConnectorException $e) 
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Course creation failed  with mesage ' . $e->getMessage());
                        return false;
                }
                return true;
        }

        public function handleDelete(ilECSSetting $server, $a_content_id)
        {
                // nothing todo
                return true;
        }

        public function handleUpdate(ilECSSetting $server, $a_content_id)
        {
                if(!$this->checkAllocationActivation($server, $a_content_id))
                {
                        return true;
                }
                
                try 
                {
                        $course = $this->readCourse($server,$a_content_id);
                        $this->doUpdate($a_content_id, $course);
                        return true;
                }
                catch(ilECSConnectorException $e) 
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Course creation failed  with mesage ' . $e->getMessage());
                        return false;
                }
                return true;
        }
        
        
        protected function doUpdate($a_content_id, $course)
        {
                $GLOBALS['ilLog']->write(__METHOD__.': Starting course creation/update');
                
                include_once './Services/WebServices/ECS/classes/Course/class.ilECSCourseCreationHandler.php';
                $creation_handler = new ilECSCourseCreationHandler($this->getServer(),$this->mid);
                $creation_handler->handle($a_content_id, $course);
        }
        

        private function readCourse(ilECSSetting $server, $a_content_id, $a_details = false)
        {
                try 
                {
                        include_once './Services/WebServices/ECS/classes/Course/class.ilECSCourseConnector.php';
                        $crs_reader = new ilECSCourseConnector($server);
                        return $crs_reader->getCourse($a_content_id,$a_details);
                }
                catch(ilECSConnectorException $e) 
                {
                        throw $e;
                }
                
        }
}
?>