/**
* 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 $a_user_id user id (if not provided, current user is taken)
*
* @return boolean true, if everything is ok
*/
function _checkAccess($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 = $ilUser->getId();
}
if ($ilUser->getId() == $a_user_id) {
$participants = ilCourseParticipant::_getInstanceByObjId($a_obj_id, $a_user_id);
} else {
$participants = ilCourseParticipants::_getInstanceByObjId($a_obj_id);
}
switch ($a_cmd) {
case "view":
if ($participants->isBlocked($a_user_id) and $participants->isAssigned($a_user_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("crs_status_blocked"));
return false;
}
break;
case 'leave':
// Regular member
if ($a_permission == 'leave') {
include_once './Modules/Course/classes/class.ilCourseParticipants.php';
if (!$participants->isAssigned($a_user_id)) {
return false;
}
}
// Waiting list
if ($a_permission == 'join') {
include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
if (!ilCourseWaitingList::_isOnList($a_user_id, $a_obj_id)) {
return false;
}
return true;
}
break;
}
switch ($a_permission) {
case 'visible':
$visible = null;
$active = self::_isActivated($a_obj_id, $visible);
$tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);
if (!$active) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
}
if (!$tutor and !$active && !$visible) {
return false;
}
break;
case 'read':
$tutor = $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id);
if ($tutor) {
return true;
}
$active = self::_isActivated($a_obj_id);
if (!$active) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
return false;
}
if ($participants->isBlocked($a_user_id) and $participants->isAssigned($a_user_id)) {
$ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("crs_status_blocked"));
return false;
}
break;
case 'join':
if (!self::_registrationEnabled($a_obj_id)) {
return false;
}
include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
if (ilCourseWaitingList::_isOnList($a_user_id, $a_obj_id)) {
return false;
}
if ($participants->isAssigned($a_user_id)) {
return false;
}
break;
}
return true;
}
/**
* Get item properties
*
* @return array array of property arrays:
* "alert" (boolean) => display as an alert property (usually in red)
* "property" (string) => property name
* "value" (string) => property value
*/
function getProperties()
{
global $lng, $ilUser;
$props = parent::getProperties();
// offline
include_once 'Modules/Course/classes/class.ilObjCourseAccess.php';
if (ilObjCourseAccess::_isOffline($this->obj_id)) {
$showRegistrationInfo = false;
$props[] = array("alert" => true, "property" => $lng->txt("status"), "value" => $lng->txt("offline"));
}
// blocked
include_once 'Modules/Course/classes/class.ilCourseParticipant.php';
$members = ilCourseParticipant::_getInstanceByObjId($this->obj_id, $ilUser->getId());
if ($members->isBlocked($ilUser->getId()) and $members->isAssigned($ilUser->getId())) {
$props[] = array("alert" => true, "property" => $lng->txt("member_status"), "value" => $lng->txt("crs_status_blocked"));
}
// pending subscription
include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
if (ilCourseParticipants::_isSubscriber($this->obj_id, $ilUser->getId())) {
$props[] = array("alert" => true, "property" => $lng->txt("member_status"), "value" => $lng->txt("crs_status_pending"));
}
include_once './Modules/Course/classes/class.ilObjCourseAccess.php';
$info = ilObjCourseAccess::lookupRegistrationInfo($this->obj_id);
if ($info['reg_info_list_prop']) {
$props[] = array('alert' => false, 'newline' => true, 'property' => $info['reg_info_list_prop']['property'], 'value' => $info['reg_info_list_prop']['value']);
}
if ($info['reg_info_list_prop_limit']) {
$props[] = array('alert' => false, 'newline' => false, 'property' => $info['reg_info_list_prop_limit']['property'], 'propertyNameVisible' => strlen($info['reg_info_list_prop_limit']['property']) ? true : false, 'value' => $info['reg_info_list_prop_limit']['value']);
}
// waiting list
include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
if (ilCourseWaitingList::_isOnList($ilUser->getId(), $this->obj_id)) {
$props[] = array("alert" => true, "property" => $lng->txt('member_status'), "value" => $lng->txt('on_waiting_list'));
}
// check for certificates
include_once "./Modules/Course/classes/class.ilCourseCertificateAdapter.php";
if (ilCourseCertificateAdapter::_hasUserCertificate($ilUser->getId(), $this->obj_id)) {
$lng->loadLanguageModule('certificate');
$cmd_link = "ilias.php?baseClass=ilRepositoryGUI&ref_id=" . $this->ref_id . "&cmd=deliverCertificate";
$props[] = array("alert" => false, "property" => $lng->txt("passed"), "value" => '<a href="' . $cmd_link . '">' . $lng->txt("download_certificate") . '</a>');
}
return $props;
}
/**
* Get tabs
*/
function getTabs(&$tabs_gui)
{
global $rbacsystem, $ilAccess, $ilUser, $lng, $ilHelp;
$ilHelp->setScreenIdComponent("crs");
$this->ctrl->setParameter($this, "ref_id", $this->ref_id);
if ($ilAccess->checkAccess('read', '', $this->ref_id)) {
$tabs_gui->addTab('view_content', $lng->txt("content"), $this->ctrl->getLinkTarget($this, ''));
}
// learning objectives
if ($ilAccess->checkAccess('write', '', $this->ref_id)) {
include_once './Modules/Course/classes/class.ilCourseObjective.php';
if ($this->object->getViewMode() == IL_CRS_VIEW_OBJECTIVE or ilCourseObjective::_getCountObjectives($this->object->getId())) {
$tabs_gui->addTarget('crs_objectives', $this->ctrl->getLinkTargetByClass('illoeditorgui', ''), 'illoeditorgui');
}
}
if ($ilAccess->checkAccess('visible', '', $this->ref_id)) {
//$next_class = $this->ctrl->getNextClass($this);
// this is not nice. tabs should be displayed in ilcoursegui
// not via ilrepositorygui, then next_class == ilinfoscreengui
// could be checked
$force_active = strtolower($_GET["cmdClass"]) == "ilinfoscreengui" || strtolower($_GET["cmdClass"]) == "ilnotegui" ? true : false;
$tabs_gui->addTarget("info_short", $this->ctrl->getLinkTargetByClass(array("ilobjcoursegui", "ilinfoscreengui"), "showSummary"), "infoScreen", "", "", $force_active);
}
if ($ilAccess->checkAccess('write', '', $this->ref_id)) {
$force_active = strtolower($_GET["cmdClass"]) == "ilconditionhandlergui" && $_GET["item_id"] == "" ? true : false;
$tabs_gui->addTarget("settings", $this->ctrl->getLinkTarget($this, "edit"), array("edit", "editMapSettings", "editCourseIcons", "listStructure"), "", "", $force_active);
}
$is_participant = ilCourseParticipants::_isParticipant($this->ref_id, $ilUser->getId());
include_once './Services/Mail/classes/class.ilMail.php';
$mail = new ilMail($GLOBALS['ilUser']->getId());
// member list
if ($ilAccess->checkAccess('write', '', $this->ref_id)) {
$tabs_gui->addTarget("members", $this->ctrl->getLinkTarget($this, "members"), "members", get_class($this));
} elseif ($this->object->getShowMembers() == $this->object->SHOW_MEMBERS_ENABLED and $is_participant) {
$tabs_gui->addTarget("members", $this->ctrl->getLinkTarget($this, "membersGallery"), "members", get_class($this));
} elseif ($this->object->getMailToMembersType() == ilCourseConstants::MAIL_ALLOWED_ALL and $GLOBALS['rbacsystem']->checkAccess('internal_mail', $mail->getMailObjectReferenceId()) and $is_participant) {
$tabs_gui->addTarget("members", $this->ctrl->getLinkTarget($this, "mailMembers"), "members", get_class($this));
}
// learning progress
include_once './Services/Tracking/classes/class.ilLearningProgressAccess.php';
if (ilLearningProgressAccess::checkAccess($this->object->getRefId(), $is_participant)) {
$tabs_gui->addTarget('learning_progress', $this->ctrl->getLinkTargetByClass(array('ilobjcoursegui', 'illearningprogressgui'), ''), '', array('illplistofobjectsgui', 'illplistofsettingsgui', 'illearningprogressgui', 'illplistofprogressgui'));
}
// license overview
include_once "Services/License/classes/class.ilLicenseAccess.php";
if ($ilAccess->checkAccess('edit_permission', '', $this->ref_id) and ilLicenseAccess::_isEnabled()) {
$tabs_gui->addTarget("licenses", $this->ctrl->getLinkTargetByClass('illicenseoverviewgui', ''), "", "illicenseoverviewgui");
}
// lom meta data
if ($ilAccess->checkAccess('write', '', $this->ref_id)) {
$tabs_gui->addTarget("meta_data", $this->ctrl->getLinkTargetByClass(array('ilobjcoursegui', 'ilmdeditorgui'), 'listSection'), "", "ilmdeditorgui");
}
if ($ilAccess->checkAccess('write', '', $this->object->getRefId())) {
$tabs_gui->addTarget('export', $this->ctrl->getLinkTargetByClass('ilexportgui', ''), 'export', 'ilexportgui');
}
if ($ilAccess->checkAccess('edit_permission', '', $this->ref_id)) {
$tabs_gui->addTarget("perm_settings", $this->ctrl->getLinkTargetByClass(array(get_class($this), 'ilpermissiongui'), "perm"), array("perm", "info", "owner"), 'ilpermissiongui');
}
if ($this->ctrl->getTargetScript() == "adm_object.php") {
$tabs_gui->addTarget("show_owner", $this->ctrl->getLinkTarget($this, "owner"), "owner", get_class($this));
if ($this->tree->getSavedNodeData($this->ref_id)) {
$tabs_gui->addTarget("trash", $this->ctrl->getLinkTarget($this, "trash"), "trash", get_class($this));
}
}
// Join/Leave
if ($ilAccess->checkAccess('join', '', $this->ref_id) and !$this->object->getMemberObject()->isAssigned()) {
include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
if (ilCourseWaitingList::_isOnList($ilUser->getId(), $this->object->getId())) {
$tabs_gui->addTab('leave', $this->lng->txt('membership_leave'), $this->ctrl->getLinkTargetByClass('ilcourseregistrationgui', 'show', ''));
} else {
$tabs_gui->addTarget("join", $this->ctrl->getLinkTargetByClass('ilcourseregistrationgui', "show"), 'show', "");
}
}
if ($ilAccess->checkAccess('leave', '', $this->object->getRefId()) and $this->object->getMemberObject()->isMember()) {
$tabs_gui->addTarget("crs_unsubscribe", $this->ctrl->getLinkTarget($this, "unsubscribe"), 'leave', "");
}
}
