Version 3.0.5
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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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* Basic Help Files Search
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* Last Updated: $Date: 2009-01-09 15:37:32 -0500 (Fri, 09 Jan 2009) $
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*
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* @author $Author: josh $
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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: 3627 $
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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 searchCorePlugin 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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* Remoe self from search results
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*
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* @access public
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* @var boolean
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*/
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public $removeSelf = false;
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/**
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* Only display title
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*
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* @access public
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* @var boolean
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*/
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public $onlyTitles = false;
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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, $sort_order='' )
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{
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/* User prefs */
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$order_dir = ( $sort_order == 'asc' ) ? 'asc' : 'desc';
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/* Group By */
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if( $group_by )
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{
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$group_by = 'h.' . $group_by;
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}
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/* Do the search */
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$this->DB->build( array(
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'select' => "h.*",
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'from' => array( 'faq' => 'h' ),
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'where' => $this->_buildWhereStatement( $search_term, $content_title_only ),
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'limit' => $limit_clause,
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'order' => 'h.id ' . $order_dir,
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'group' => $group_by,
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'add_join' => array(
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array(
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'select' => 'i.*',
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'from' => array( 'permission_index' => 'i' ),
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'where' => "i.perm_type='help' AND i.perm_type_id=1",
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'type' => 'left',
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),
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)
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) );
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$this->DB->execute();
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/* Build result array */
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$rows = array();
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while( $r = $this->DB->fetch() )
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{
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/* Reassign stuff to match the search_index */
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$rows[] = $this->formatFieldsForIndex( $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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return array();
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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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/* Group By */
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if( $group_by )
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{
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$group_by = 'h.' . $group_by;
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}
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/* Query the count */
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$this->DB->build( array(
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'select' => 'COUNT(*) as total_results',
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'from' => array( 'faq' => 'h' ),
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'where' => $this->_buildWhereStatement( $search_term, $content_title_only ),
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'group' => $group_by,
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'add_join' => array(
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array(
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'from' => array( 'permission_index' => 'i' ),
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'where' => "i.perm_type='help' AND i.perm_type_id=1",
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'type' => 'left',
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),
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)
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) );
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$this->DB->execute();
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$search = $this->DB->fetch();
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/* Return the count */
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return $search['total_results'];
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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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/* Remap */
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return;
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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[$comp][] = "h.{$column} {$operator} ( {$value} )";
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break;
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default:
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$this->whereConditions[$comp][] = "h.{$column} {$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', $outer_comp='AND' )
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{
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return;
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/* Loop through the conditions to build the statement */
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$_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[] = "h.{$r['column']} {$r['operator']} ( {$r['value']} )";
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break;
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default:
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$_temp[] = "h.{$r['column']} {$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, ' ' . $inner_comp . ' ' ) . ' ) ';
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}
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/**
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* Set search conditions for "View unread content"
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*
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* @access public
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* @return void
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*/
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public function setUnreadConditions()
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{
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$this->removeSelf = true;
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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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if( $content_title_only )
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{
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$where_clause[] = "h.title LIKE '%{$search_term}%'";
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}
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else
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{
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$where_clause[] = "h.title LIKE '%{$search_term}%' OR h.text LIKE '%{$search_term}%' OR h.description LIKE '%{$search_term}%'";
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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( "i.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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* 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( $r )
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{
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$r['app'] = 'core';
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$r['content'] = $r['title'];
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$r['content_title'] = $r['description'];
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$r['updated'] = time();
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$r['type_2'] = 'help';
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$r['type_id_2'] = $r['id'];
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return $r;
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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( $ids )
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{
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$this->DB->build( array(
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'select' => "h.*",
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'from' => array( 'faq' => 'h' ),
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'where' => 'h.id IN( ' . implode( ',', $ids ) . ')',
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'add_join' => array(
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array(
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'select' => 'i.*',
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'from' => array( 'permission_index' => 'i' ),
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'where' => "i.perm_type='help' AND i.perm_type_id=1",
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'type' => 'left',
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),
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)
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) );
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return $this->DB->execute();
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}
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/**
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* Gets the name of the field this search index uses for dates.... >_<
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*
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* @return string
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**/
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public function getDateField()
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{
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return 'search_id';
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}
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/**
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* Gets field names for other conditions
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*
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* @param string Column
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* @return string
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**/
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public function getConditionField( $column )
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{
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return $column;
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}
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}
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