class.ilObjGlossaryAccess.php

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<?php

/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */


include_once("./Services/Object/classes/class.ilObjectAccess.php");

class ilObjGlossaryAccess extends ilObjectAccess
{
        function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
        {
                global $ilUser, $lng, $rbacsystem, $ilAccess;

                if ($a_user_id == "")
                {
                        $a_user_id = $ilUser->getId();
                }

                switch ($a_permission)
                {
                        case "read":
                                if(!ilObjGlossaryAccess::_lookupOnline($a_obj_id)
                                        && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        return false;
                                }
                                break;

                        case "visible":
                                if (!ilObjGlossaryAccess::_lookupOnline($a_obj_id) &&
                                        (!$rbacsystem->checkAccessOfUser($a_user_id,'write', $a_ref_id)))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        return false;
                                }
                                break;
                }


                return true;
        }
        
        function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "view", "lang_var" => "show",
                                "default" => true),
                        array("permission" => "write", "cmd" => "edit", "lang_var" => "edit_content"),
                        array("permission" => "write", "cmd" => "properties", "lang_var" => "settings")
                );
                
                return $commands;
        }

        //
        // access relevant methods
        //

        function _lookupOnline($a_id)
        {
                global $ilDB;

                $q = "SELECT * FROM glossary WHERE id = ".
                        $ilDB->quote($a_id, "integer");
                $lm_set = $ilDB->query($q);
                $lm_rec = $ilDB->fetchAssoc($lm_set);

                return ilUtil::yn2tf($lm_rec["is_online"]);
        }

        function _checkGoto($a_target)
        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);

                if (($t_arr[0] != "glo" && $t_arr[0] != "git") || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }

                if ($t_arr[0] == "glo")
                {
                        if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
                                $ilAccess->checkAccess("visible", "", $t_arr[1]))
                        {
                                return true;
                        }
                }

                if ($t_arr[0] == "git")
                {
                        if ($t_arr[2] > 0)
                        {
                                $ref_ids = array($t_arr[2]);
                        }
                        else
                        {
                                // determine learning object
                                require_once("./Modules/Glossary/classes/class.ilGlossaryTerm.php");
                                $glo_id = ilGlossaryTerm::_lookGlossaryID($t_arr[1]);
                                $ref_ids = ilObject::_getAllReferences($glo_id);
                        }
                        // check read permissions
                        foreach ($ref_ids as $ref_id)
                        {
                                // Permission check
                                if ($ilAccess->checkAccess("read", "", $ref_id))
                                {
                                        return true;
                                }
                        }
                }

                return false;
        }


}

?>