xref: /plugin/sphinxsearch-was/SphinxSearch.php (revision 61:b902be5549ec) 
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 = "@categories $starCategory | @(body,title) {$keywords}";
39        } else {
40            $starKeyword = $this->starQuery($keywords);
41            $query = "@categories ({$categories} {$starKeyword}) | @(body,title) {$keywords}";
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        $tmpRes = array();
57        $pagesIds = array();
58        foreach($pagesIdsAll as $id => $pageData){
59            $this->_offset++;
60            if(auth_quickaclcheck($pageData['page']) >= AUTH_READ){
61                if(!isset($tmpRes[$pageData['page']])){
62                    $tmpRes[$pageData['page']] = 1;
63                    $counter++;
64                }
65                $pagesIds[$id] = $pageData;
66                if ($counter == $resultsPerPage){
67                    break;
68                }
69            }
70        }
71        if (empty($pagesIds)){
72            return false;
73        }
74
75        $pagesList = array();
76        $body = array();
77        $titleText = array();
78        $category = array();
79        foreach ($pagesIds as $crc => $data){
80            if (!empty($data['hid'])){
81                $bodyHtml = p_render('xhtml',p_get_instructions(getSectionByTitleLevel($data['page'], $data['title'], true)),$info);
82            } else {
83                $bodyHtml = p_wiki_xhtml($data['page']);
84            }
85            $bodyHtml = preg_replace("#[\s]+?</li>#", "</li>;", $bodyHtml);
86            $bodyHtml = htmlspecialchars_decode($bodyHtml);
87            $body[$crc] = strip_tags($bodyHtml);
88            $titleText[$crc] = strip_tags($data['title_text']);
89            $category[$crc] = $data['page'];
90        }
91
92        $starQuery = $this->starQuery($keywords);
93        $bodyExcerpt = $this->getExcerpt($body, $starQuery);
94        $titleTextExcerpt = $this->getExcerpt($titleText, $starQuery);
95        $i = 0;
96        $results = array();
97        foreach($body as $crc => $notused){
98            $results[$crc] = array(
99                'page' => $pagesIds[$crc]['page'],
100                'bodyExcerpt' => $bodyExcerpt[$i],
101                'titleTextExcerpt' => $titleTextExcerpt[$i],
102                'hid' => $pagesIds[$crc]['hid'],
103                'title' => $pagesIds[$crc]['title'],
104                'title_text' => $pagesIds[$crc]['title_text']
105            );
106            $i++;
107        }
108        return $results;
109    }
110
111    public function getOffset()
112    {
113        return $this->_offset;
114    }
115
116    public function getError()
117    {
118        return $this->_sphinx->GetLastError();
119    }
120
121    public function getTotalFound()
122    {
123        return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0;
124    }
125
126    public function getExcerpt($data, $query)
127    {
128        return $this->_sphinx->BuildExcerpts($data, $this->_index, $query,
129                    array(
130                        'limit' => $this->_snippetSize,
131                        'around' => $this->_aroundKeyword,
132                        'weight_order' => 1,
133                        'sp' => 1
134                    )
135                );
136    }
137
138    public function starQuery($query)
139    {
140        $query = $this->removeStars($query);
141        $words = explode(" ", $query);
142        foreach($words as $id => $word){
143            $words[$id] = "*".$word."*";
144        }
145        return implode(" ", $words);
146    }
147
148    public function removeStars($query)
149    {
150        $words = explode(" ", $query);
151        foreach($words as $id => $word){
152            $words[$id] = trim($word, "*");
153        }
154        return implode(" ", $words);
155    }
156
157    public function getQuery()
158    {
159        return $this->_query;
160    }
161
162    public function setSnippetSize($symbols = 256)
163    {
164        $this->_snippetSize = $symbols;
165    }
166
167    public function setArroundWordsCount($words = 5)
168    {
169        $this->_aroundKeyword = $words;
170    }
171
172    public function setTitlePriority($priority)
173    {
174        $this->_titlePriority = $priority;
175    }
176
177    public function setBodyPriority($priority)
178    {
179        $this->_bodyPriority = $priority;
180    }
181
182    public function setCategoriesPriority($priority)
183    {
184        $this->_categoriesPriority = $priority;
185    }
186}
187