xref: /plugin/sphinxsearch-was/SphinxSearch.php (revision 15:04b65c3102d8) 
1<?php
2/*
3 * To change this template, choose Tools | Templates
4 * and open the template in the editor.
5 */
6
7class SphinxSearch
8{
9    private $_sphinx = null;
10    private $_result = array();
11    private $_index = null;
12    private $_query = '';
13    public function  __construct($host, $port, $index)
14    {
15        $this->_sphinx = new SphinxClient();
16        $this->_sphinx->SetServer($host, $port);
17        $this->_sphinx->SetMatchMode(SPH_MATCH_EXTENDED2);
18        $this->_sphinx->SetFieldWeights(array('categories' => 5, 'title' => 20, 'body' => 3));
19        $this->_sphinx->SetFilter('level', array(1));
20
21        $this->_index = $index;
22    }
23
24    public function search($keywords, $categories, $start, $resultsPerPage = 10)
25    {
26        $this->_sphinx->SetLimits($start, $resultsPerPage);
27        $query = '';
28        if (!empty($keywords) && empty($categories)){
29            $query = "@(body,title,categories) {$keywords}";
30        } else {
31            $query = "@(body,title) {$keywords} @categories ".$categories;
32        }
33        $this->_query = $query;
34        $res = $this->_sphinx->Query($query, $this->_index);
35        $this->_result = $res;
36        if (empty($res['matches'])) {
37            return false;
38	}
39
40        $pageMapper = new PageMapper();
41
42        $pageCrcList = array_keys($res['matches']);
43        $pagesIds = $pageMapper->getByCrc($pageCrcList);
44
45        $pagesList = array();
46        $body = array();
47        $title = array();
48        $category = array();
49        foreach ($pageCrcList as $crc){
50            if (!empty($pagesIds[$crc]['hid'])){
51                $bodyHtml = p_render('xhtml',p_get_instructions(getSection($pagesIds[$crc]['page'], $pagesIds[$crc]['title'])),$info);
52            } else {
53                $bodyHtml = p_wiki_xhtml($pagesIds[$crc]['page']);
54            }
55            $body[$crc] = strip_tags($bodyHtml);
56            $title[$crc] = strip_tags($pagesIds[$crc]['title']);
57            $category[$crc] = $pagesIds[$crc]['page'];
58        }
59
60        $starQuery = $this->starQuery($keywords);
61        $bodyExcerpt = $this->getExcerpt($body, $starQuery);
62        $titleExcerpt = $this->getExcerpt($title, $starQuery);
63        $i = 0;
64        $results = array();
65        foreach($body as $crc => $notused){
66            $results[$crc] = array(
67                'page' => $pagesIds[$crc]['page'],
68                'bodyExcerpt' => $bodyExcerpt[$i],
69                'titleExcerpt' => $titleExcerpt[$i],
70                'hid' => $pagesIds[$crc]['hid'],
71                'title' => $pagesIds[$crc]['title']
72            );
73            $i++;
74        }
75        return $results;
76    }
77
78    public function getTotalFound()
79    {
80        return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0;
81    }
82
83    public function getExcerpt($data, $query)
84    {
85        return $this->_sphinx->BuildExcerpts($data, $this->_index, $query);
86    }
87
88    public function starQuery($query)
89    {
90        $words = explode(" ", $query);
91        $starQuery = '';
92        foreach($words as $word){
93            $starQuery .= "*".$word."* ";
94        }
95        return $starQuery;
96    }
97
98    public function getQuery()
99    {
100        return $this->_query;
101    }
102}
103