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<?php
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/**
* main-class for connection to ILIAS 4
*
* This class contains the main methods of the elearning-interface to connect to ILIAS 4. Extends Ilias3ConnectedCMS.
*
* @author Arne Schröder <schroeder@data-quest.de>
* @access public
* @modulegroup elearning_interface_modules
* @module Ilias4ConnectedCMS
* @package ELearning-Interface
*/
class Ilias4ConnectedCMS extends Ilias3ConnectedCMS
{
var $user_category_node_id;
var $ldap_enable;
/**
* constructor
*
* init class.
* @access public
* @param string $cms system-type
*/
function __construct($cms)
{
global $messages;
parent::__construct($cms);
if (ELearningUtils::getConfigValue("user_category_id", $cms)) {
$this->user_category_node_id = ELearningUtils::getConfigValue("user_category_id", $cms);
} else {
$this->user_category_node_id = $this->main_category_node_id;
}
if (ELearningUtils::getConfigValue("ldap_enable", $cms)) {
$this->ldap_enable = ELearningUtils::getConfigValue("ldap_enable", $cms);
}
}
/**
* Helper function to fetch children including objects in folders
* The typo in the function name, 'childs', is intentional to reflect the name of the ILIAS-SOAP call.
*
* @access public
* @param string $parent_id
* @return array result
*/
function getChilds($parent_id) {
$types[] = 'fold';
foreach ($this->types as $type => $name) {
$types[] = $type;
}
$result = $this->soap_client->getTreeChilds($parent_id, $types, $this->user->getId());
if ($result) {
$parent_path = $this->soap_client->getRawPath($parent_id) . '_' . $parent_id;
foreach($result as $ref_id => $data) {
// Workaround: getTreeChilds() liefert ALLE Referenzen der beteiligten Objekte, hier sollen aber nur die aus dem Kurs geprüft werden. Deshalb Abgleich der Pfade aller gefundenen Objekt-Referenzen.
if (($data["accessInfo"] != "granted") OR ($this->soap_client->getRawPath($ref_id) != $parent_path))
unset($result[$ref_id]);
elseif ($data['type'] == 'fold') {
unset($result[$ref_id]);
$result = $result + $this->getChilds($ref_id);
}
}
}
if (is_array($result))
return $result;
else
return [];
}
/**
* check connected modules and update connections
*
* checks if there are modules in the course that are not connected to the seminar
* @access public
* @param string $course_id course-id
*/
function updateConnections($course_id)
{
global $connected_cms, $messages, $object_connections;
$db = DBManager::get();
$result = $this->soap_client->getObjectByReference($course_id);
if ($result) {
$course_path = $this->soap_client->getRawPath($course_id) . '_' . $result["ref_id"];
}
$this->soap_client->setCachingStatus(false);
// fetch childs
$result = $this->getChilds($course_id);
if (is_array($result)) {
$check = $db->prepare("SELECT 1 FROM object_contentmodules WHERE object_id = ? AND module_id = ? AND system_type = ? AND module_type = ?");
$found = [];
$added = 0;
$deleted = 0;
$messages["info"] .= "<b>".sprintf(_("Aktualisierung der Zuordnungen zum System \"%s\":"), $this->getName()) . "</b><br>";
foreach($result as $ref_id => $data) {
$check->execute([Context::getId(), $ref_id, $this->cms_type, $data["type"]]);
if (!$check->fetch()) {
$messages["info"] .= sprintf(_("Zuordnung zur Lerneinheit \"%s\" wurde hinzugefügt."), ($data["title"])) . "<br>";
ObjectConnections::setConnection(Context::getId(), $ref_id, $data["type"], $this->cms_type);
$added++;
}
$found[] = $ref_id . '_' . $data["type"];
}
$to_delete = $db->prepare("SELECT module_id,module_type FROM object_contentmodules WHERE module_type <> 'crs' AND object_id = ? AND system_type = ? AND CONCAT_WS('_', module_id,module_type) NOT IN (?)");
$to_delete->execute([Context::getId(), $this->cms_type, count($found) ? $found : ['']]);
while ($row = $to_delete->fetch(PDO::FETCH_ASSOC)) {
ObjectConnections::unsetConnection(Context::getId(), $row["module_id"], $row["module_type"], $this->cms_type);
$deleted++;
$messages["info"] .= sprintf(_("Zuordnung zu \"%s\" wurde entfernt."), $row["module_id"] . '_' . $row["module_type"]) . "<br>";
}
if (($added + $deleted) < 1) {
$messages["info"] .= _("Die Zuordnungen sind bereits auf dem aktuellen Stand.") . "<br>";
}
}
ELearningUtils::bench("update connections");
}
/**
* create course
*
* creates new ilias course
* @access public
* @param string $seminar_id seminar-id
* @return boolean successful
*/
function createCourse($seminar_id)
{
global $messages, $ELEARNING_INTERFACE_MODULES;
$crs_id = ObjectConnections::getConnectionModuleId($seminar_id, "crs", $this->cms_type);
$this->soap_client->setCachingStatus(false);
$this->soap_client->clearCache();
if ($crs_id == false) {
$seminar = Seminar::getInstance($seminar_id);
$home_institute = Institute::find($seminar->getInstitutId());
if ($home_institute) {
$ref_id = ObjectConnections::getConnectionModuleId($home_institute->getId(), "cat", $this->cms_type);
}
if ($ref_id < 1) {
// Kategorie für Heimateinrichtung anlegen
$object_data["title"] = sprintf("%s", $home_institute->name);
$object_data["description"] = sprintf(_("Hier befinden sich die Veranstaltungsdaten zur Stud.IP-Einrichtung \"%s\"."), $home_institute->name);
$object_data["type"] = "cat";
$object_data["owner"] = $this->soap_client->LookupUser($ELEARNING_INTERFACE_MODULES[$this->cms_type]["soap_data"]["username"]);
$ref_id = $this->soap_client->addObject($object_data, $this->main_category_node_id);
ObjectConnections::setConnection($home_institute->getId(), $ref_id, "cat", $this->cms_type);
}
if ($ref_id < 1) {
$ref_id = $this->main_category_node_id;
}
// Kurs anlegen
$lang_array = explode("_", Config::get()->DEFAULT_LANGUAGE);
$course_data["language"] = $lang_array[0];
$course_data["title"] = "Stud.IP-Kurs " . $seminar->getName();
$course_data["description"] = "";
$crs_id = $this->soap_client->addCourse($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
$this->permissions->CheckUserPermissions($crs_id);
}
return $crs_id;
}
/**
* get preferences
*
* shows additional settings.
* @access public
*/
function getPreferences()
{
global $connected_cms;
$role_template_name = Request::get('role_template_name');
$cat_name = Request::get('cat_name');
$this->soap_client->setCachingStatus(false);
$messages = ['error' => ''];
if ($cat_name) {
$cat = $this->soap_client->getReferenceByTitle( trim( $cat_name ), "cat");
if (!$cat) {
$messages["error"] .= sprintf(_('Das Objekt mit dem Namen "%s" wurde im System %s nicht gefunden.'), htmlReady($cat_name), htmlReady($this->getName())) . "<br>\n";
} else {
ELearningUtils::setConfigValue("category_id", $cat, $this->cms_type);
$this->main_category_node_id = $cat;
}
}
if (($this->main_category_node_id != false) AND (ELearningUtils::getConfigValue("user_category_id", $this->cms_type) == "")) {
$object_data["title"] = _("User-Daten");
$object_data["description"] = _("Hier befinden sich die persönlichen Ordner der Stud.IP-User.");
$object_data["type"] = "cat";
$object_data["owner"] = $this->user->getId();
$user_cat = $connected_cms[$this->cms_type]->soap_client->addObject($object_data, $connected_cms[$this->cms_type]->main_category_node_id);
if ($user_cat) {
$this->user_category_node_id = $user_cat;
ELearningUtils::setConfigValue("user_category_id", $user_cat, $this->cms_type);
} else {
$messages["error"] .= _("Die Kategorie für User-Daten konnte nicht angelegt werden.") . "<br>\n";
}
}
if ($role_template_name != "") {
$role_template = $this->soap_client->getObjectByTitle( trim( $role_template_name ), "rolt" );
if ($role_template == false) {
$messages["error"] .= sprintf(_("Das Rollen-Template mit dem Namen \"%s\" wurde im System %s nicht gefunden."), htmlReady($role_template_name), htmlReady($this->getName())) . "<br>\n";
}
if (is_array($role_template)) {
ELearningUtils::setConfigValue("user_role_template_id", $role_template["obj_id"], $this->cms_type);
ELearningUtils::setConfigValue("user_role_template_name", $role_template["title"], $this->cms_type);
$this->user_role_template_id = $role_template["obj_id"];
}
}
if (Request::submitted('submit')) {
ELearningUtils::setConfigValue("encrypt_passwords", Request::option("encrypt_passwords"), $this->cms_type);
$encrypt_passwords = Request::option("encrypt_passwords");
ELearningUtils::setConfigValue("ldap_enable", Request::option("ldap_enable"), $this->cms_type);
$this->ldap_enable = Request::option("ldap_enable");
} else {
if (ELearningUtils::getConfigValue("encrypt_passwords", $this->cms_type) != "")
$encrypt_passwords = ELearningUtils::getConfigValue("encrypt_passwords", $this->cms_type);
}
$cat = $this->soap_client->getObjectByReference( $this->main_category_node_id );
$user_cat = $this->soap_client->getObjectByReference( $this->user_category_node_id );
$title = $this->link->getModuleLink($user_cat["title"], $this->user_category_node_id, "cat");
$ldap_options = [];
foreach (StudipAuthAbstract::GetInstance() as $plugin) {
if ($plugin instanceof StudipAuthLdap) {
$ldap_options[] = '<option '.($plugin->plugin_name == $this->ldap_enable ? 'selected' : '').'>' . $plugin->plugin_name . '</option>';
}
}
ob_start();
ConnectedCMS::getPreferences();
$module_types = ob_get_clean();
$template = $GLOBALS['template_factory']->open('elearning/ilias4_connected_cms_preferences.php');
$template->set_attribute('messages', $messages);
$template->set_attribute('soap_error', $this->soap_client->getError());
$template->set_attribute('soap_data', $this->soap_data);
$template->set_attribute('main_category_node_id', $this->main_category_node_id);
$template->set_attribute('main_category_node_id_title', $cat['title']);
$template->set_attribute('user_category_node_id', $this->user_category_node_id);
$template->set_attribute('user_category_node_id_title', $title);
$template->set_attribute('user_role_template_name', ELearningUtils::getConfigValue("user_role_template_name", $this->cms_type));
$template->set_attribute('user_role_template_id', $this->user_role_template_id);
$template->set_attribute('encrypt_passwords', $encrypt_passwords);
$template->set_attribute('ldap_options', count($ldap_options) ? join("\n", array_merge(['<option></option>'], $ldap_options)) : '');
$template->set_attribute('module_types', $module_types);
echo $template->render();
}
}
|
