Merge branch 'main' into issue-3911issue-3911

1 files changed, 292 insertions, 0 deletions

diff --git a/lib/elearning/Ilias3ContentModule.php b/lib/elearning/Ilias3ContentModule.php
new file mode 100644
index 0000000..3067575
--- /dev/null
+++ b/lib/elearning/Ilias3ContentModule.php
@@ -0,0 +1,292 @@
+<?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);
+            }
+            $this->setPermissions($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("<i>" . _("Sie haben keine Leseberechtigung für dieses Modul.") . "</i>");
+                return false;
+            case "missing_precondition":
+                $this->allowed_operations = $connected_cms[$this->cms_type]->permissions->getOperationArray($operations );
+                $this->setDescription("<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("<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("<i>" . _("Sie haben keinen Zugriff auf die übergeordneten Objekte dieses Moduls.") . "</i>");
+                return false;
+            case "object_deleted":
+                $this->createDummyForErrormessage("deleted");
+                return false;
+        }
+        if ($connected_cms[$this->cms_type]->isAuthNecessary() && $connected_cms[$this->cms_type]->user->isConnected()) {
+            // If User has no permission, don't show module data
+            if (!$this->isAllowed(OPERATION_VISIBLE) && !$this->isDummy() && $connected_cms[$this->cms_type]->user->isConnected()) {
+                $this->createDummyForErrormessage("no permission");
+            }
+        }
+
+        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;
+    }
+}
+?>