/**
* checks wether a user may invoke a command or not
* (this method is called by ilAccessHandler::checkAccess)
*
* @param string $a_cmd command (not permission!)
* @param string $a_permission permission
* @param int $a_ref_id reference id
* @param int $a_obj_id object id
* @param int $a_user_id user id (if not provided, current user is taken)
*
* @return boolean true, if everything is ok
*/
public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
{
global $ilUser, $lng, $rbacsystem, $ilAccess, $ilias;
if ($a_user_id == "") {
$a_user_id = $ilUser->getId();
}
switch ($a_permission) {
case "visible":
include_once './Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
$active = ilObjRemoteCourse::_lookupOnline($a_obj_id);
$tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);
if (!$active) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
}
if (!$tutor and !$active) {
return false;
}
break;
case 'read':
$tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);
if ($tutor) {
return true;
}
include_once 'Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
$active = ilObjRemoteCourse::_lookupOnline($a_obj_id);
if (!$active) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
break;
}
return true;
}
/**
* csv export of imported remote courses
*
* @access protected
* @return
*/
protected function exportImported()
{
global $ilObjDataCache, $ilUser;
// :TODO: mind resource type and move to ilRemoteObjectBase...
$rcourses = ilUtil::_getObjectsByOperations('rcrs', 'visible', $ilUser->getId(), -1);
// Read participants
include_once './Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
include_once './Services/WebServices/ECS/classes/class.ilECSCommunityReader.php';
try {
$reader = ilECSCommunityReader::_getInstance();
} catch (ilECSConnectorException $e) {
$reader = null;
}
// read obj_ids
$ilObjDataCache->preloadReferenceCache($rcourses);
$obj_ids = array();
foreach ($rcourses as $rcrs_ref_id) {
$obj_id = $ilObjDataCache->lookupObjId($rcrs_ref_id);
$obj_ids[$obj_id] = $obj_id;
}
include_once 'Services/Utilities/classes/class.ilCSVWriter.php';
$writer = new ilCSVWriter();
$writer->addColumn($this->lng->txt('title'));
$writer->addColumn($this->lng->txt('description'));
$writer->addColumn($this->lng->txt('ecs_imported_from'));
$writer->addColumn($this->lng->txt('ecs_field_courseID'));
$writer->addColumn($this->lng->txt('ecs_field_term'));
$writer->addColumn($this->lng->txt('ecs_field_lecturer'));
$writer->addColumn($this->lng->txt('ecs_field_courseType'));
$writer->addColumn($this->lng->txt('ecs_field_semester_hours'));
$writer->addColumn($this->lng->txt('ecs_field_credits'));
$writer->addColumn($this->lng->txt('ecs_field_room'));
$writer->addColumn($this->lng->txt('ecs_field_cycle'));
$writer->addColumn($this->lng->txt('ecs_field_begin'));
$writer->addColumn($this->lng->txt('ecs_field_end'));
$writer->addColumn($this->lng->txt('last_update'));
include_once './Services/WebServices/ECS/classes/class.ilECSDataMappingSettings.php';
$settings = ilECSDataMappingSettings::_getInstance();
foreach ($obj_ids as $obj_id) {
include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php';
$values = ilAdvancedMDValues::_getValuesByObjId($obj_id);
$writer->addRow();
$writer->addColumn(ilObject::_lookupTitle($obj_id));
$writer->addColumn(ilObject::_lookupDescription($obj_id));
$mid = ilObjRemoteCourse::_lookupMID($obj_id);
if ($reader and $participant = $reader->getParticipantByMID($mid)) {
$writer->addColumn($participant->getParticipantName());
}
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'courseID');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'term');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'lecturer');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'courseType');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'semester_hours');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'credits');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'room');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'cycle');
$writer->addColumn(isset($values[$field]) ? $values[$field] : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'begin');
$writer->addColumn(isset($values[$field]) ? ilFormat::formatUnixTime($values[$field], true) : '');
$field = $settings->getMappingByECSName(ilECSDataMappingSetting::MAPPING_IMPORT_RCRS, 'end');
$writer->addColumn(isset($values[$field]) ? ilFormat::formatUnixTime($values[$field], true) : '');
$writer->addColumn($ilObjDataCache->lookupLastUpdate($obj_id));
}
ilUtil::deliverData($writer->getCSVString(), date("Y_m_d") . "_ecs_import.csv", "text/csv");
}
/**
* Parse
*
* @access public
* @param array array of remote course ids
*
*/
public function parse($a_rcrs)
{
global $ilObjDataCache;
// Preload object data
$ilObjDataCache->preloadReferenceCache($a_rcrs);
// Read participants
include_once './Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
include_once './Services/WebServices/ECS/classes/class.ilECSCommunityReader.php';
include_once './Services/WebServices/ECS/classes/class.ilECSImport.php';
// read obj_ids
$obj_ids = array();
foreach ($a_rcrs as $rcrs_ref_id) {
$obj_id = $ilObjDataCache->lookupObjId($rcrs_ref_id);
$obj_ids[$obj_id] = $ilObjDataCache->lookupObjId($rcrs_ref_id);
}
foreach ($obj_ids as $obj_id => $obj_id) {
$tmp_arr['obj_id'] = $obj_id;
$tmp_arr['sid'] = ilECSImport::lookupServerId($obj_id);
$tmp_arr['title'] = $ilObjDataCache->lookupTitle($obj_id);
$tmp_arr['desc'] = $ilObjDataCache->lookupDescription($obj_id);
$tmp_arr['md'] = '';
$mid = ilObjRemoteCourse::_lookupMID($obj_id);
if ($tmp_arr['sid']) {
try {
$reader = ilECSCommunityReader::getInstanceByServerId($tmp_arr['sid']);
} catch (ilECSConnectorException $e) {
$reader = null;
}
if ($reader and $participant = $reader->getParticipantByMID($mid)) {
$tmp_arr['from'] = $participant->getParticipantName();
$tmp_arr['from_info'] = $participant->getDescription();
}
} else {
$tmp_arr['from'] = $this->lng->txt("ecs_server_deleted");
}
$tmp_arr['last_update'] = $ilObjDataCache->lookupLastUpdate($obj_id);
$content[] = $tmp_arr;
}
$this->setData($content ? $content : array());
}
/**
* get properties (offline)
*
* @access public
* @param
*
*/
public function getProperties()
{
global $lng;
include_once 'Modules/RemoteCourse/classes/class.ilObjRemoteCourse.php';
if ($org = ilObjRemoteCourse::_lookupOrganization($this->obj_id)) {
$this->addCustomProperty($lng->txt('organization'), $org, false, true);
}
if (!ilObjRemoteCourse::_lookupOnline($this->obj_id)) {
$this->addCustomProperty($lng->txt("status"), $lng->txt("offline"), true, true);
}
return array();
}
