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<?php
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/**
* class to handle ILIAS 3 learning modules and tests
*
* This class contains methods to handle ILIAS 3 learning modules and tests.
*
* @author Arne Schröder <schroeder@data-quest.de>
* @access public
* @modulegroup elearning_interface_modules
* @module Ilias3ContentModule
* @package ELearning-Interface
*/
class Ilias3ContentModule extends ContentModule
{
var $object_id;
/**
* constructor
*
* init class.
* @access public
* @param string $module_id module-id
* @param string $module_type module-type
* @param string $cms_type system-type
*/
function __construct($module_id, $module_type, $cms_type)
{
parent::__construct($module_id, $module_type, $cms_type);
if ($module_id != "")
$this->readData();
}
/**
* read data
*
* get module data from database.
* @access public
*/
function readData()
{
global $connected_cms;
$object_data = $connected_cms[$this->cms_type]->soap_client->getObjectByReference($this->id, $connected_cms[$this->cms_type]->user->getId());
if ( (! ($object_data == false)) AND ($connected_cms[$this->cms_type]->types[$object_data["type"]] != "") )
{
// If User has no external Account, show module and link to user-assignment
if (! $connected_cms[$this->cms_type]->user->isConnected())
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray([OPERATION_VISIBLE, OPERATION_READ] );
//set module data
$this->setObjectId($object_data["obj_id"]);
$this->setTitle($object_data["title"]);
$this->setDescription($object_data["description"]);
if ($object_data["owner"] != "")
{
$user_data = $connected_cms[$this->cms_type]->soap_client->getUser($object_data["owner"]);
$user_name = trim($user_data["title"] . " " . $user_data["firstname"] . " " . $user_data["lastname"]);
$this->setAuthors($user_name);
}
// echo $object_data["accessInfo"] . ": " . implode($object_data["operations"], ".");
$this->setPermissions($object_data["accessInfo"], $object_data["operations"]);
}
else
{
// If module doesn't exist, show errormessage
$this->createDummyForErrormessage("not found");
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray([OPERATION_VISIBLE, OPERATION_READ, OPERATION_DELETE] );
}
}
/**
* set permissions
*
* sets permissions for content-module
* @access public
* @param string $acces_info access-status
* @param array $operations array of operations
* @return boolean successful
*/
function setPermissions($access_info, $operations)
{
global $connected_cms;
switch ($access_info)
{
case "granted":
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
break;
case "no_permission":
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
$this->setDescription($object_data["description"] . "<br><br><i>" . _("Sie haben keine Leseberechtigung für dieses Modul.") . "</i>");
return false;
break;
case "missing_precondition":
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
$this->setDescription($object_data["description"] . "<br><br><i>" . _("Sie haben zur Zeit noch keinen Zugriff auf deses Modul (fehlende Vorbedingungen).") . "</i>");
break;
case "no_object_access":
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
$this->setDescription($object_data["description"] . "<br><br><i>" . _("Dieses Modul ist momentan offline oder durch Payment-Regeln gesperrt.") . "</i>");
break;
case "no_parent_access":
$this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
$this->setDescription($object_data["description"] . "<br><br><i>" . _("Sie haben keinen Zugriff auf die übergeordneten Objekte dieses Moduls.") . "</i>");
return false;
break;
case "object_deleted":
$this->createDummyForErrormessage("deleted");
return false;
break;
}
if ($connected_cms[$this->cms_type]->isAuthNecessary() AND ($connected_cms[$this->cms_type]->user->isConnected()))
{
// If User has no permission, don't show module data
if ((! $this->isAllowed(OPERATION_VISIBLE) ) AND (! $this->isDummy()) AND ($connected_cms[$this->cms_type]->user->isConnected()))
$this->createDummyForErrormessage("no permission");
}
// echo "PERM".implode($this->allowed_operations,"-");
return true;
}
/**
* set connection
*
* sets connection with seminar
* @access public
* @param string $seminar_id seminar-id
* @return boolean successful
*/
function setConnection($seminar_id)
{
global $connected_cms, $messages;
$write_permission = Request::option("write_permission");
$write_permission_autor = Request::option("write_permission_autor");
$crs_id = ObjectConnections::getConnectionModuleId($seminar_id, "crs", $this->cms_type);
// echo "SET?".$this->cms_type;
$connected_cms[$this->cms_type]->soap_client->setCachingStatus(false);
$connected_cms[$this->cms_type]->soap_client->clearCache();
// Check, ob Kurs in ILIAS gelöscht wurde
if (($crs_id != false) AND ($connected_cms[$this->cms_type]->soap_client->getObjectByReference($crs_id) == false))
{
ObjectConnections::unsetConnection($seminar_id, $crs_id, "crs", $this->cms_type);
// echo "deleted: ".ObjectConnections::getConnectionModuleId($seminar_id, "crs", $this->cms_type);
// echo "Der zugeordnete ILIAS-Kurs (ID $crs_id) existiert nicht mehr. Ein neuer Kurs wird angelegt.";
$messages["info"] .= _("Der zugeordnete ILIAS-Kurs (ID $crs_id) existiert nicht mehr. Ein neuer Kurs wird angelegt.") . "<br>";
$crs_id = false;
}
if ($crs_id == false)
{
$lang_array = explode("_",Config::get()->DEFAULT_LANGUAGE);
$course_data["language"] = $lang_array[0];
$course_data["title"] = "Stud.IP-Kurs " . Context::get()->Name;
$course_data["description"] = "";
$ref_id = $connected_cms[$this->cms_type]->main_category_node_id;
$crs_id = $connected_cms[$this->cms_type]->soap_client->addCourse($course_data, $ref_id);
if ($crs_id == false)
{
$messages["error"] .= _("Zuordnungs-Fehler: Kurs konnte nicht angelegt werden.");
return false;
}
ObjectConnections::setConnection($seminar_id, $crs_id, "crs", $this->cms_type);
// Rollen zuordnen
$connected_cms[$this->cms_type]->permissions->CheckUserPermissions($crs_id);
// $messages["info"] .= "Neue Kurs-ID: $crs_id. <br>";
}
$ref_id = $this->getId();
$ref_id = $connected_cms[$this->cms_type]->soap_client->addReference($this->id, $crs_id);
$local_roles = $connected_cms[$this->cms_type]->soap_client->getLocalRoles($crs_id);
$member_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray([OPERATION_VISIBLE, OPERATION_READ]);
$admin_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray([OPERATION_VISIBLE, OPERATION_READ, OPERATION_WRITE]);
foreach ($local_roles as $key => $role_data){
// check only if local role is il_crs_member, -tutor or -admin
if (mb_strpos($role_data["title"], "il_crs_") === 0) {
if(mb_strpos($role_data["title"], 'il_crs_member') === 0){
$operations = $write_permission_autor ? $admin_operations : $member_operations;
} else if(mb_strpos($role_data["title"], 'il_crs_tutor') === 0){
$operations = $write_permission_autor || $write_permission ? $admin_operations : $member_operations;
} else {
continue;
}
$connected_cms[$this->cms_type]->soap_client->revokePermissions($role_data["obj_id"], $ref_id);
$connected_cms[$this->cms_type]->soap_client->grantPermissions($operations, $role_data["obj_id"], $ref_id);
}
}
if ($ref_id)
{
$this->setId($ref_id);
return parent::setConnection($seminar_id);
}
else
$messages["error"] .= _("Die Zuordnung konnte nicht gespeichert werden.");
return false;
}
/**
* unset connection
*
* unsets connection with seminar
* @access public
* @param string $seminar_id seminar-id
* @return boolean successful
*/
function unsetConnection($seminar_id)
{
global $connected_cms, $messages;
$connected_cms[$this->cms_type]->soap_client->setCachingStatus(false);
{
if ( $this->getObjectId() != false)
$connected_cms[$this->cms_type]->soap_client->deleteObject($this->getId());
return parent::unsetConnection($seminar_id);
}
$messages["error"] .= _("Die Zuordnung konnte nicht entfernt werden.");
return false;
}
/**
* set object id
*
* sets object id
* @access public
* @param string $module_object_id object id
*/
function setObjectId($module_object_id)
{
$this->object_id = $module_object_id;
}
/**
* get object id
*
* returns object id
* @access public
* @return string object id
*/
function getObjectId()
{
return $this->object_id;
}
/**
* set allowed operations
*
* sets allowed operations
* @access public
* @param array $operation_array operation-ids
*/
function setAllowedOperations( $operation_array )
{
global $connected_cms;
$this->allowed_operations = [];
foreach($operation_array as $key => $operation)
{
// echo "O$operation = I".$connected_cms[$this->cms_type]->permissions->getOperation[$operation]."<br>";
$this->allowed_operations[] = $connected_cms[$this->cms_type]->permissions->getOperation[$operation];
}
}
/**
* get permission-status
*
* returns true, if operation is allowed
* @access public
* @param string $operation operation
* @return boolean allowed
*/
function isAllowed($operation)
{
global $connected_cms;
if (is_array($this->allowed_operations))
{
if (in_array($connected_cms[$this->cms_type]->permissions->getOperation($operation), $this->allowed_operations))
return true;
else
return false;
}
else
return false;
}
}
?>
|
