xref: /plugin/sphinxsearch-was/SphinxSearch.php (revision 42:1f728c03a446) 
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            //echo $query;exit;
40        } else {
41            $starCategory = $this->starQuery($categories);
42            $query = "@(body,title,categories) {$keywords} @categories ".$starCategory;
43        }
44        $this->_query = $query;
45        $res = $this->_sphinx->Query($query, $this->_index);
46        $this->_result = $res;
47
48        if (empty($res['matches'])) {
49            return false;
50	}
51
52        $pageMapper = new PageMapper();
53
54        $pagesIdsAll = $pageMapper->getByCrc(array_keys($res['matches']));
55        $this->_offset = 0;
56        $counter = 0;
57        foreach($pagesIdsAll as $id => $pageData){
58            $this->_offset++;
59            if(auth_quickaclcheck($pageData['page']) >= AUTH_READ){
60                $counter++;
61                $pagesIds[$id] = $pageData;
62                if ($counter == $resultsPerPage){
63                    break;
64                }
65            }
66        }
67        if (empty($pagesIds)){
68            return false;
69        }
70
71        $pagesList = array();
72        $body = array();
73        $titleText = array();
74        $category = array();
75        foreach ($pagesIds as $crc => $data){
76            if (!empty($data['hid'])){
77                $bodyHtml = p_render('xhtml',p_get_instructions(getSectionByTitleLevel($data['page'], $data['title'], true)),$info);
78            } else {
79                $bodyHtml = p_wiki_xhtml($data['page']);
80            }
81            $body[$crc] = strip_tags($bodyHtml);
82            $titleText[$crc] = strip_tags($data['title_text']);
83            $category[$crc] = $data['page'];
84        }
85
86        $starQuery = $this->starQuery($keywords);
87        $bodyExcerpt = $this->getExcerpt($body, $starQuery);
88        $titleTextExcerpt = $this->getExcerpt($titleText, $starQuery);
89        $i = 0;
90        $results = array();
91        foreach($body as $crc => $notused){
92            $results[$crc] = array(
93                'page' => $pagesIds[$crc]['page'],
94                'bodyExcerpt' => $bodyExcerpt[$i],
95                'titleTextExcerpt' => $titleTextExcerpt[$i],
96                'hid' => $pagesIds[$crc]['hid'],
97                'title' => $pagesIds[$crc]['title'],
98                'title_text' => $pagesIds[$crc]['title_text']
99            );
100            $i++;
101        }
102        return $results;
103    }
104
105    public function getOffset()
106    {
107        return $this->_offset;
108    }
109
110    public function getError()
111    {
112        return $this->_sphinx->GetLastError();
113    }
114
115    public function getTotalFound()
116    {
117        return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0;
118    }
119
120    public function getExcerpt($data, $query)
121    {
122        return $this->_sphinx->BuildExcerpts($data, $this->_index, $query,
123                    array(
124                        'limit' => $this->_snippetSize,
125                        'around' => $this->_aroundKeyword,
126                        'weight_order' => 1,
127                        'sp' => 1
128                    )
129                );
130    }
131
132    public function starQuery($query)
133    {
134        $words = explode(" ", $query);
135        $starQuery = '';
136        foreach($words as $word){
137            $word = trim($word, "*");
138            $starQuery .= "*".$word."* ";
139        }
140        return $starQuery;
141    }
142
143    public function getQuery()
144    {
145        return $this->_query;
146    }
147
148    public function setSnippetSize($symbols = 256)
149    {
150        $this->_snippetSize = $symbols;
151    }
152
153    public function setArroundWordsCount($words = 5)
154    {
155        $this->_aroundKeyword = $words;
156    }
157
158    public function setTitlePriority($priority)
159    {
160        $this->_titlePriority = $priority;
161    }
162
163    public function setBodyPriority($priority)
164    {
165        $this->_bodyPriority = $priority;
166    }
167
168    public function setCategoriesPriority($priority)
169    {
170        $this->_categoriesPriority = $priority;
171    }
172}
173