class.ilGlossaryTermPermission.php

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<?php
 
/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilGlossaryTermPermission
{
        protected $user;
 
        protected $access;
 
        protected $glossary_id = array();
 
        protected $permission = array();
 
        protected $log;
 
        private function __construct()
        {
                global $DIC;
 
                $this->user = $DIC->user();
                $this->access = $DIC->access();
 
                $this->log = ilLoggerFactory::getLogger('glo');
        }
 
        static public function getInstance()
        {
                return new self();
        }
 
        public function checkPermission($a_perm, $a_term_id)
        {
                $this->log->debug("check permission ".$a_perm." for ".$a_term_id.".");
                $glo_id = $this->getGlossaryIdForTerm($a_term_id);
                if (!isset($this->permission[$a_perm][$glo_id]))
                {
                        $this->permission[$a_perm][$glo_id] = false;
                        $this->log->debug("...checking references");
                        foreach (ilObject::_getAllReferences($glo_id) as $ref_id)
                        {
                                $this->log->debug("...".$ref_id);
                                if ($this->permission[$a_perm][$glo_id] == true)
                                {
                                        continue;
                                }
                                if ($this->access->checkAccess($a_perm, "", $ref_id))
                                {
                                        $this->permission[$a_perm][$glo_id] = true;
                                }
                        }
                }
                $this->log->debug("...return ".((int) $this->permission[$a_perm][$glo_id]));
                return $this->permission[$a_perm][$glo_id];
        }
 
        protected function getGlossaryIdForTerm($a_term_id)
        {
                if (!isset($this->glossary_id[$a_term_id]))
                {
                        include_once("./Modules/Glossary/classes/class.ilGlossaryTerm.php");
                        $this->glossary_id[$a_term_id] = ilGlossaryTerm::_lookGlossaryID($a_term_id);
                }
                return $this->glossary_id[$a_term_id];
        }
 
 
}
 
?>