Version 3.0.5
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@@ -0,0 +1,469 @@
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<?php
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/**
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* Invision Power Services
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* IP.Board v3.0.5
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* Global Search
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* Last Updated: $Date: 2009-03-04 07:36:56 -0500 (Wed, 04 Mar 2009) $
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*
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* @author $Author: matt $
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license http://www.iinvisionpower.com/community/board/license.html
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* @package Invision Power Board
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* @subpackage Core
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* @link http://www.iinvisionpower.com
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* @version $Rev: 4135 $
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*/
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if ( ! defined( 'IN_IPB' ) )
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{
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print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
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exit();
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}
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class searchPluginIndexIndex implements iSearchIndexPlugin
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{
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/**
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* Database object
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*
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* @access private
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* @var object
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*/
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private $DB;
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/**
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* Date range restriction start
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*
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* @access private
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* @var integer
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*/
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private $search_begin_timestamp = 0;
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/**
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* Date range restriction end
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*
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* @access private
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* @var integer
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*/
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private $search_end_timestamp = 0;
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/**
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* Array of conditions for this search
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*
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* @access private
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* @var array
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*/
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private $whereConditions = array();
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/**
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* Apps to exclude
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*
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* @access public
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* @var array
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*/
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public $exclude_apps = array();
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/**
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* Setup registry objects
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*
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* @access public
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* @param object ipsRegistry $registry
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* @return void
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*/
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public function __construct( ipsRegistry $registry )
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{
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$this->DB = $registry->DB();
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$this->member = $registry->member();
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$this->memberData =& $registry->member()->fetchMemberData();
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}
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/**
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* Performs search and returns an array of results
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*
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* @access public
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* @param string $search_term
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* @param array $limit_clause The erray should be array( begin, end )
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* @param string $sort_by Column to sort by
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* @param string $group_by Column to group by
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* @param bool $content_title_only Only search title records
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* @return array
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*/
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public function getSearchResults( $search_term, $limit_clause, $sort_by, $group_by='', $content_title_only=false )
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{
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/* Do the search */
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$this->DB->build( $this->_buildSearchQueryArray( $search_term, $limit_clause, $sort_by, $group_by, false, $content_title_only ) );
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$this->DB->execute();
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/* Build result array */
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$rows = array();
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while( $r = $this->DB->fetch() )
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{
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$rows[] = $r;
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}
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return $rows;
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}
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/**
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* Performs live search and returns an array of results
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* NOT AVAILABLE IN BASIC SEARCH
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*
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* @access public
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* @param string $search_term
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* @return array
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*/
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public function getLiveSearchResults( $search_term )
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{
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if( ipsRegistry::$settings['live_search_disable'] )
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{
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return array();
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}
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/* Do the search */
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$this->DB->build( $this->_buildSearchQueryArray( $search_term, array( 0, 10 ), 'date' ) );
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$this->DB->execute();
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/* Build result array */
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$rows = array();
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while( $r = $this->DB->fetch() )
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{
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$rows[] = $r;
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}
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return $rows;
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}
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/**
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* Returns the total number of results the search will return
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*
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* @access public
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* @param string $search_term Search term
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* @param string $group_by Column to group by
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* @param bool $content_title_only Only search title records
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* @return integer
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*/
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public function getSearchCount( $search_term, $group_by='', $content_title_only=false )
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{
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/* Query the count */
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$this->DB->build( $this->_buildSearchQueryArray( $search_term, array(), '', $group_by, true, $content_title_only ) );
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$this->DB->execute();
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/* Return the count */
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if( $group_by )
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{
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return $this->DB->getTotalRows();
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}
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else
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{
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$r = $this->DB->fetch();
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return $r['total_results'];
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}
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}
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/**
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* Restrict the date range that the search is performed on
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*
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* @access public
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* @param int $begin Start timestamp
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* @param int [$end] End timestamp
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* @return void
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*/
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public function setDateRange( $begin, $end=0 )
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{
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$this->search_begin_timestamp = $begin;
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$this->search_end_timestamp = $end;
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}
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/**
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* mySQL function for adding special search conditions
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*
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* @access public
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* @param string $column sql table column for this condition
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* @param string $operator Operation to perform for this condition, ex: =, <>, IN, NOT IN
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* @param mixed $value Value to check with
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* @param string $comp Comparison type
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* @return void
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*/
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public function setCondition( $column, $operator, $value, $comp='AND' )
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{
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/* Build the condition based on operator */
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switch( strtoupper( $operator ) )
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{
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case 'IN':
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case 'NOT IN':
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$this->whereConditions[$comp][] = "i.{$column} {$operator} ( {$value} )";
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break;
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default:
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$this->whereConditions[$comp][] = "i.{$column} {$operator} {$value}";
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break;
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}
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}
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/**
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* Allows you to specify multiple conditions that are chained together
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*
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* @access public
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* @param array $conditions Array of conditions, each element has 3 keys: column, operator, value, see the setCondition function for information on each
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* @param string $inner_comp Comparison operator to use inside the chain
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* @param string $outer_comp Comparison operator to use outside the chain
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* @return void
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*/
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public function setMultiConditions( $conditions, $inner_comp='OR', $outer_comp='AND' )
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{
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/* Loop through the conditions to build the statement */
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$_temp = array();
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foreach( $conditions as $r )
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{
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switch( strtoupper( $r['operator'] ) )
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{
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case 'IN':
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case 'NOT IN':
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$_temp[] = "i.{$r['column']} {$r['operator']} ( {$r['value']} )";
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break;
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default:
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$_temp[] = "i.{$r['column']} {$r['operator']} {$r['value']}";
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break;
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}
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}
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$this->whereConditions[$outer_comp][] = '( ' . implode( $_temp, ' ' . $inner_comp . ' ' ) . ' ) ';
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}
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/**
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* Reassigns fields in a way the index exepcts
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*
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* @param array $r
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* @return array
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**/
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public function formatFieldsForIndex( $r )
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{
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}
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/**
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* This function grabs the actual results for display
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*
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* @param array $ids
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* @return query result
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**/
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public function getResultsForSphinx( $ids )
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{
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}
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/**
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* Builds an array that can be used in build
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*
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* @access public
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* @param string $search_term
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* @param array $limit_clause The erray should be array( begin, end )
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* @param string $sort_by Either relevance or date
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* @param string [$group_by] Field to group on
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* @param bool [$count_only] Set to true for a count(*) query
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* @param bool [$content_title_only] Set to true to only search titles
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* @return array
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*/
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private function _buildSearchQueryArray( $search_term, $limit_clause, $sort_by, $group_by='', $count_only=false, $content_title_only=false )
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{
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/* Do we only need to count results? */
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if( $count_only )
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{
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if( $group_by )
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{
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$group_by = 'i.' . $group_by;
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}
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$search_query_array = array(
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'select' => 'COUNT(*) as total_results',
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'from' => array( 'search_index' => 'i' ),
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'where' => $this->_buildWhereStatement( $search_term, $content_title_only ),
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'group' => $group_by,
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'add_join' => array(
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array(
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'from' => array( 'permission_index' => 'p' ),
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'where' => 'p.perm_type_id=i.type_id AND p.perm_type=i.type',
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'type' => 'left',
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),
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array(
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'from' => array( 'profile_friends' => 'friend' ),
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'where' => 'friend.friends_member_id=i.member_id AND friend.friends_friend_id=' . $this->memberData['member_id'],
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'type' => 'left',
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),
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)
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);
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}
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else
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{
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/* Sort By */
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if( isset( $sort_by ) && in_array( $sort_by, array( 'date', 'relevance', 'ascdate' ) ) )
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{
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$_ord = strstr( $sort_by, 'asc' ) ? 'ASC' : 'DESC';
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$order = $sort_by == 'date' ? 'i.updated ' . $_ord : 'ranking' . $_ord;
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}
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else
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{
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$order = 'ranking DESC';
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}
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/* If there is no search term, we need to force search by updated */
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if( ! $search_term )
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{
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$order = 'i.updated DESC';
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}
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if( $group_by )
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{
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$group_by = 'i.' . $group_by;
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}
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if( $content_title_only )
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{
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$ranking_select = $search_term ? ", MATCH( i.content_title ) AGAINST( '{$search_term}' IN BOOLEAN MODE ) as ranking" : '';
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}
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else
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{
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$ranking_select = $search_term ? ", MATCH( i.content, i.content_title ) AGAINST( '{$search_term}' IN BOOLEAN MODE ) as ranking" : '';
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}
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/* Build the search query array */
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$search_query_array = array(
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'select' => "i.*{$ranking_select}",
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'from' => array( 'search_index' => 'i' ),
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'where' => $this->_buildWhereStatement( $search_term, $content_title_only ),
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'limit' => $limit_clause,
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'group' => $group_by,
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'order' => $order,
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'add_join' => array(
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array(
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'select' => 'p.perm_view',
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'from' => array( 'permission_index' => 'p' ),
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'where' => 'p.perm_type_id=i.type_id AND p.perm_type=i.type',
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'type' => 'left',
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),
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array(
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'select' => 'm.members_display_name, m.member_group_id, m.mgroup_others',
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'from' => array( 'members' => 'm' ),
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'where' => 'i.member_id=m.member_id',
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'type' => 'left',
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),
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array(
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'from' => array( 'profile_friends' => 'friend' ),
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'where' => 'friend.friends_member_id=i.member_id AND friend.friends_friend_id=' . $this->memberData['member_id'],
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'type' => 'left',
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),
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)
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);
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}
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/* Loop through all the search plugins and let them modify the search query */
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foreach( ipsRegistry::$applications as $app )
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{
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if( IPSSearchIndex::appisSearchable( $app['app_directory'] ) )
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{
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if( ! isset( $this->display_plugins[ $app['app_directory'] ] ) || ! $this->display_plugins[ $app['app_directory'] ] )
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{
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require_once( IPSLib::getAppDir( $app['app_directory'] ) . '/extensions/searchDisplay.php' );
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$_class = $app['app_directory'] . 'SearchDisplay';
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$this->display_plugins[ $app['app_directory'] ] = new $_class();
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}
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if( method_exists( $this->display_plugins[ $app['app_directory'] ] , 'modifySearchQuery' ) )
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{
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/* Get the modified query */
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$new_query = $this->display_plugins[ $app['app_directory'] ]->modifySearchQuery( $search_query_array, $count_only );
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/* Simple check to prevent accidentaly breaking the query, clearly not fool proof :) */
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$search_query_array = is_array( $new_query ) && count( $new_query ) ? $new_query : $search_query_array;
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}
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}
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}
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return $search_query_array;
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}
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/**
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* Builds the where portion of a search string
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*
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* @access private
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* @param string $search_term The string to use in the search
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* @param bool $content_title_only Search only title records
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* @return string
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**/
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private function _buildWhereStatement( $search_term, $content_title_only=false )
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{
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/* INI */
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$where_clause = array();
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if( $search_term )
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{
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/* Main Search Statement */
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if( $content_title_only )
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{
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$where_clause[] = "MATCH( i.content_title ) AGAINST( '$search_term' IN BOOLEAN MODE )";
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}
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else
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{
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$where_clause[] = "MATCH( i.content, i.content_title ) AGAINST( '$search_term' IN BOOLEAN MODE )";
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}
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}
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/* Exclude Apps */
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if( count( $this->exclude_apps ) )
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{
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$where_clause[] = 'i.app NOT IN ( ' . implode( ',', $this->exclude_apps ) . ' )';
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}
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/* Exclude some items */
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if( !$this->memberData['g_is_supmod'] )
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{
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/* Owner only */
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$where_clause[] = '(p.owner_only=0 OR i.member_id=' . $this->memberData['member_id'] . ')';
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/* Friend only */
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$where_clause[] = '(p.friend_only=0 OR friend.friends_id ' . $this->DB->buildIsNull( false ) . ')';
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/* Authorized users only */
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$where_clause[] = '(p.authorized_users ' . $this->DB->buildIsNull() . ' OR i.member_id=' . $this->memberData['member_id'] . " OR p.authorized_users LIKE '%," . $this->memberData['member_id'] . ",%')";
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}
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/* Date Restrict */
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if( $this->search_begin_timestamp && $this->search_end_timestamp )
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{
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$where_clause[] = "i.updated BETWEEN {$this->search_begin_timestamp} AND {$this->search_end_timestamp}";
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}
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else
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{
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if( $this->search_begin_timestamp )
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{
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$where_clause[] = "i.updated > {$this->search_begin_timestamp}";
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}
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if( $this->search_end_timestamp )
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{
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$where_clause[] = "i.updated < {$this->search_end_timestamp}";
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}
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}
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/* Add in AND where conditions */
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if( isset( $this->whereConditions['AND'] ) && count( $this->whereConditions['AND'] ) )
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{
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$where_clause = array_merge( $where_clause, $this->whereConditions['AND'] );
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}
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/* ADD in OR where conditions */
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if( isset( $this->whereConditions['OR'] ) && count( $this->whereConditions['OR'] ) )
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{
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$where_clause[] = '( ' . implode( ' OR ', $this->whereConditions['OR'] ) . ' )';
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}
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/* Permissions */
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$where_clause[] = $this->DB->buildRegexp( "p.perm_view", $this->member->perm_id_array );
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/* Build and return the string */
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return implode( " AND ", $where_clause );
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}
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}
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Reference in new issue
Block a user