class.ilObjectSearch.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. |
        +-----------------------------------------------------------------------------+
*/

include_once 'Services/Search/classes/class.ilAbstractSearch.php';

class ilObjectSearch extends ilAbstractSearch
{
        const CDATE_OPERATOR_BEFORE = 1;
        const CDATE_OPERATOR_AFTER = 2;
        const CDATE_OPERATOR_ON = 3;
        
        private $cdate_operator = null;
        private $cdate_date = null;
        

        function __construct(&$qp_obj)
        {
                parent::__construct($qp_obj);

                $this->setFields(array('title','description'));
        }




        function &performSearch()
        {
                global $ilDB;
                
                $in = $this->__createInStatement();
                $where = $this->__createWhereCondition();
                
                
                
                $cdate = '';
                if($this->getCreationDateFilterDate() instanceof ilDate)
                {
                        if($this->getCreationDateFilterOperator())
                        {
                                switch($this->getCreationDateFilterOperator())
                                {
                                        case self::CDATE_OPERATOR_AFTER:
                                                $cdate = 'AND create_date >= '.$ilDB->quote($this->getCreationDateFilterDate()->get(IL_CAL_DATE),'text').' ';
                                                break;
                                        
                                        case self::CDATE_OPERATOR_BEFORE:
                                                $cdate = 'AND create_date <= '.$ilDB->quote($this->getCreationDateFilterDate()->get(IL_CAL_DATE),'text').' ';
                                                break;
                                        
                                        case self::CDATE_OPERATOR_ON:
                                                $cdate = 'AND '.$ilDB->like(
                                                                'create_date',
                                                                'text',
                                                                $this->getCreationDateFilterDate()->get(IL_CAL_DATE).'%'
                                                );
                                                break;
                                }
                        }


                }
                
                $locate = $this->__createLocateString();

                $query = "SELECT obj_id,type ".
                        $locate.
                        "FROM object_data ".
                        $where." ".$cdate.' '.$in.' '.
                        "ORDER BY obj_id DESC";
                
                ilLoggerFactory::getLogger('src')->debug('Object search query: '. $query);
                
                $res = $this->db->query($query);
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $this->search_result->addEntry($row->obj_id,$row->type,$this->__prepareFound($row));
                }
                return $this->search_result;
        }



        // Protected can be overwritten in Like or Fulltext classes
        function __createInStatement()
        {
                global $ilDB;

                $in = ' AND '.$ilDB->in('type',(array) $this->object_types,false,'text');
                if($this->getIdFilter())
                {
                        $in .= ' AND ';
                        $in .= $ilDB->in('obj_id',$this->getIdFilter(),false,'integer');
                }
                return $in;
        }
        
        
        public function setCreationDateFilterDate(ilDate $day)
        {
                $this->cdate_date = $day;
        }
        
        public function setCreationDateFilterOperator($a_operator)
        {
                $this->cdate_operator = $a_operator;
        }
        
        public function getCreationDateFilterDate()
        {
                return $this->cdate_date;
        }
        
        public function getCreationDateFilterOperator()
        {
                return $this->cdate_operator;
        }
}
?>