xref: /plugin/sphinxsearch-was/SphinxSearch.php (revision 39:c93d111c37ff) 
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
14    private $_snippetSize = 256;
15    private $_aroundKeyword = 5;
16
17    private $_titlePriority = 20;
18    private $_bodyPriority = 5;
19    private $_categoriesPriority = 10;
20
21    public function  __construct($host, $port, $index)
22    {
23        $this->_sphinx = new SphinxClient();
24        $this->_sphinx->SetServer($host, $port);
25        $this->_sphinx->SetMatchMode(SPH_MATCH_EXTENDED2);
26
27        $this->_index = $index;
28    }
29
30    public function search($keywords, $categories, $start, $resultsPerPage = 10)
31    {
32        $this->_sphinx->SetFieldWeights(array('categories' => $this->_categoriesPriority, 'title' => $this->_titlePriority, 'body' => $this->_bodyPriority));
33
34        $this->_sphinx->SetLimits($start, $resultsPerPage+100);
35        $query = '';
36        if (!empty($keywords) && empty($categories)){
37            $starCategory = $this->starQuery($keywords);
38            $query = "@(body,title) {$keywords} | @categories {$starCategory}";
39        } else {
40            $starCategory = $this->starQuery($categories);
41            $query = "@(body,title,categories) {$keywords} @categories ".$starCategory;
42        }
43        $this->_query = $query;
44        $res = $this->_sphinx->Query($query, $this->_index);
45        $this->_result = $res;
46
47        if (empty($res['matches'])) {
48            return false;
49	}
50
51        $pageMapper = new PageMapper();
52
53        $pagesIdsAll = $pageMapper->getByCrc(array_keys($res['matches']));
54        $this->_offset = 0;
55        $counter = 0;
56        foreach($pagesIdsAll as $id => $pageData){
57            $this->_offset++;
58            if(auth_quickaclcheck($pageData['page']) >= AUTH_READ){
59                $counter++;
60                $pagesIds[$id] = $pageData;
61                if ($counter == $resultsPerPage){
62                    break;
63                }
64            }
65        }
66        if (empty($pagesIds)){
67            return false;
68        }
69
70        $pagesList = array();
71        $body = array();
72        $titleText = array();
73        $category = array();
74        foreach ($pagesIds as $crc => $data){
75            if (!empty($data['hid'])){
76                $bodyHtml = p_render('xhtml',p_get_instructions(getSectionByTitleLevel($data['page'], $data['title'], true)),$info);
77            } else {
78                $bodyHtml = p_wiki_xhtml($data['page']);
79            }
80            $body[$crc] = strip_tags($bodyHtml);
81            $titleText[$crc] = strip_tags($data['title_text']);
82            $category[$crc] = $data['page'];
83        }
84
85        $starQuery = $this->starQuery($keywords);
86        $bodyExcerpt = $this->getExcerpt($body, $starQuery);
87        $titleTextExcerpt = $this->getExcerpt($titleText, $starQuery);
88        $i = 0;
89        $results = array();
90        foreach($body as $crc => $notused){
91            $results[$crc] = array(
92                'page' => $pagesIds[$crc]['page'],
93                'bodyExcerpt' => $bodyExcerpt[$i],
94                'titleTextExcerpt' => $titleTextExcerpt[$i],
95                'hid' => $pagesIds[$crc]['hid'],
96                'title' => $pagesIds[$crc]['title'],
97                'title_text' => $pagesIds[$crc]['title_text']
98            );
99            $i++;
100        }
101        return $results;
102    }
103
104    public function getOffset()
105    {
106        return $this->_offset;
107    }
108
109    public function getError()
110    {
111        return $this->_sphinx->GetLastError();
112    }
113
114    public function getTotalFound()
115    {
116        return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0;
117    }
118
119    public function getExcerpt($data, $query)
120    {
121        return $this->_sphinx->BuildExcerpts($data, $this->_index, $query,
122                    array(
123                        'limit' => $this->_snippetSize,
124                        'around' => $this->_aroundKeyword,
125                        'weight_order' => 1,
126                        'sp' => 1
127                    )
128                );
129    }
130
131    public function starQuery($query)
132    {
133        $words = explode(" ", $query);
134        $starQuery = '';
135        foreach($words as $word){
136            $starQuery .= "*".$word."* ";
137        }
138        return $starQuery;
139    }
140
141    public function getQuery()
142    {
143        return $this->_query;
144    }
145
146    public function setSnippetSize($symbols = 256)
147    {
148        $this->_snippetSize = $symbols;
149    }
150
151    public function setArroundWordsCount($words = 5)
152    {
153        $this->_aroundKeyword = $words;
154    }
155
156    public function setTitlePriority($priority)
157    {
158        $this->_titlePriority = $priority;
159    }
160
161    public function setBodyPriority($priority)
162    {
163        $this->_bodyPriority = $priority;
164    }
165
166    public function setCategoriesPriority($priority)
167    {
168        $this->_categoriesPriority = $priority;
169    }
170}
171