content/classes/class.ilGlossaryTerm.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/


class ilGlossaryTerm
{
        var $ilias;
        var $lng;
        var $tpl;

        var $id;
        var $glossary;
        var $term;
        var $language;
        var $glo_id;
        var $import_id;

        function ilGlossaryTerm($a_id = 0)
        {
                global $lng, $ilias, $tpl;

                $this->lng =& $lng;
                $this->ilias =& $ilias;
                $this->tpl =& $tpl;

                $this->id = $a_id;
                $this->type = "term";
                if ($a_id != 0)
                {
                        $this->read();
                }
        }

        function read()
        {
                $q = "SELECT * FROM glossary_term WHERE id = '".$this->id."'";
                $term_set = $this->ilias->db->query($q);
                $term_rec = $term_set->fetchRow(DB_FETCHMODE_ASSOC);

                $this->setTerm($term_rec["term"]);
                $this->setImportId($term_rec["import_id"]);
                $this->setLanguage($term_rec["language"]);
                $this->setGlossaryId($term_rec["glo_id"]);

        }

        function _getIdForImportId($a_import_id)
        {
                global $ilDB;
                
                $q = "SELECT * FROM glossary_term WHERE import_id = '".$a_import_id."'".
                        " ORDER BY create_date DESC LIMIT 1";
                $term_set = $ilDB->query($q);
                while ($term_rec = $term_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $glo_id = ilGlossaryTerm::_lookGlossaryID($term_rec["id"]);

                        if (ilObject::_hasUntrashedReference($glo_id))
                        {
                                return $term_rec["id"];
                        }
                }

                return 0;
        }
        
        
        function _exists($a_id)
        {
                global $ilDB;
                
                include_once("content/classes/Pages/class.ilInternalLink.php");
                if (is_int(strpos($a_id, "_")))
                {
                        $a_id = ilInternalLink::_extractObjIdOfTarget($a_id);
                }

                $q = "SELECT * FROM glossary_term WHERE id = '".$a_id."'";
                $obj_set = $ilDB->query($q);
                if ($obj_rec = $obj_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        return true;
                }
                else
                {
                        return false;
                }

        }


        function setId($a_id)
        {
                $this->id = $a_id;
        }


        function getId()
        {
                return $this->id;
        }

        function setGlossary(&$a_glossary)
        {
                $this->glossary =& $a_glossary;
                $this->setGlossaryId($a_glossary->getId());
        }


        function setGlossaryId($a_glo_id)
        {
                $this->glo_id = $a_glo_id;
        }


        function getGlossaryId()
        {
                return $this->glo_id;
        }


        function setTerm($a_term)
        {
                $this->term = $a_term;
        }


        function getTerm()
        {
                return $this->term;
        }


        function setLanguage($a_language)
        {
                $this->language = $a_language;
        }

        function getLanguage()
        {
                return $this->language;
        }


        function setImportId($a_import_id)
        {
                $this->import_id = $a_import_id;
        }


        function getImportId()
        {
                return $this->import_id;
        }


        function create()
        {
                $q = "INSERT INTO glossary_term (glo_id, term, language, import_id, create_date, last_update)".
                        " VALUES ('".$this->getGlossaryId()."', '".ilUtil::prepareDBString($this->term).
                        "', '".$this->language."','".$this->getImportId()."',now(), now())";
                $this->ilias->db->query($q);
                $this->setId($this->ilias->db->getLastInsertId());
        }


        function delete()
        {
                require_once("content/classes/class.ilGlossaryDefinition.php");
                $defs = ilGlossaryDefinition::getDefinitionList($this->getId());
                foreach($defs as $def)
                {
                        $def_obj =& new ilGlossaryDefinition($def["id"]);
                        $def_obj->delete();
                }
                $q = "DELETE FROM glossary_term ".
                        " WHERE id = '".$this->getId()."'";
                $this->ilias->db->query($q);
        }


        function update()
        {
                $q = "UPDATE glossary_term SET ".
                        " glo_id = '".$this->getGlossaryId()."', ".
                        " term = '".ilUtil::prepareDBString($this->getTerm())."', ".
                        " import_id = '".$this->getImportId()."', ".
                        " language = '".$this->getLanguage()."', ".
                        " last_update = now() ".
                        " WHERE id = '".$this->getId()."'";
                $this->ilias->db->query($q);
        }

        function _lookGlossaryID($term_id)
        {
                global $ilDB;

                $query = "SELECT * FROM glossary_term WHERE id = '".$term_id."'";
                $obj_set = $ilDB->query($query);
                $obj_rec = $obj_set->fetchRow(DB_FETCHMODE_ASSOC);

                return $obj_rec["glo_id"];
        }

        function _lookGlossaryTerm($term_id)
        {
                global $ilDB;

                $query = "SELECT * FROM glossary_term WHERE id = '".$term_id."'";
                $obj_set = $ilDB->query($query);
                $obj_rec = $obj_set->fetchRow(DB_FETCHMODE_ASSOC);

                return $obj_rec["term"];
        }
        
        function _lookLanguage($term_id)
        {
                global $ilDB;

                $query = "SELECT * FROM glossary_term WHERE id = '".$term_id."'";
                $obj_set = $ilDB->query($query);
                $obj_rec = $obj_set->fetchRow(DB_FETCHMODE_ASSOC);

                return $obj_rec["language"];
        }

        function getTermList($a_glo_id, $searchterm="")
        {
                global $ilDB;
                
                $terms = array();
                
                $searchterm = (!empty ($searchterm))?" AND term like '$searchterm%'":"";
                
                // meta glossary
                if (is_array($a_glo_id))
                {
                        $where = "IN(".implode(",",$a_glo_id).") ";
                }
                else
                {
                        $where = "='".$a_glo_id."' ";
                }
                
                $q = "SELECT * FROM glossary_term WHERE glo_id ".$where.$searchterm." ORDER BY language, term";
                $term_set = $ilDB->query($q);

                while ($term_rec = $term_set->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        $terms[] = array("term" => $term_rec["term"],
                                "language" => $term_rec["language"], "id" => $term_rec["id"], "glo_id" => $term_rec["glo_id"]);
                }
                return $terms;
        }

        function exportXML(&$a_xml_writer, $a_inst)
        {
                //include_once("content/classes/class..php");

                $attrs = array();
                $attrs["Language"] = $this->getLanguage();
                $attrs["Id"] = "il_".IL_INST_ID."_git_".$this->getId();
                $a_xml_writer->xmlStartTag("GlossaryItem", $attrs);

                $attrs = array();
                $a_xml_writer->xmlElement("GlossaryTerm", $attrs, $this->getTerm());

                $defs = ilGlossaryDefinition::getDefinitionList($this->getId());

                foreach($defs as $def)
                {
                        $definition = new ilGlossaryDefinition($def["id"]);
                        $definition->exportXML($a_xml_writer, $a_inst);
                }

                $a_xml_writer->xmlEndTag("GlossaryItem");
        }

        function _goto($a_target,$a_type)
        {
                global $rbacsystem, $ilErr, $lng;


                if ($a_type == "glo")
                {
                        include_once 'classes/class.ilSearch.php';
                        
                        // Added this additional check (ParentConditions) to avoid calls of objects inside e.g courses.
                        // Will be replaced in future releases by ilAccess::checkAccess()
                        if (!$rbacsystem->checkAccess("read", $a_target) || !ilSearch::_checkParentConditions($a_target))
                        {
                                $ilErr->raiseError($lng->txt("msg_no_perm_read_lm"), $ilErr->FATAL);
                        }
                        ilUtil::redirect(
                                        "./content/glossary_presentation.php?ref_id=".$a_target);                               
                
                }

                // determine learning object
                $glo_id = ilGlossaryTerm::_lookGlossaryID ($a_target);//::_lookupContObjID($a_target);

                // get all references
                $ref_ids = ilObject::_getAllReferences($glo_id);

                // check read permissions
                foreach ($ref_ids as $ref_id)
                {
                        include_once 'classes/class.ilSearch.php';
                        
                        // Added this additional check (ParentConditions) to avoid calls of objects inside e.g courses.
                        // Will be replaced in future releases by ilAccess::checkAccess()
                        if ($rbacsystem->checkAccess("read", $ref_id) and ilSearch::_checkParentConditions($ref_id))
                        {
                                ilUtil::redirect(
                                        "./content/glossary_presentation.php?cmd=listDefinitions&term_id=".$a_target."&ref_id=".$ref_id);                               
                        }
                }

                $ilErr->raiseError($lng->txt("msg_no_perm_read_lm"), $ilErr->FATAL);
        }


} // END class ilGlossaryTerm

?>