xref: /plugin/sphinxsearch-was/SphinxSearch.php (revision 65:b6497b29a960) 
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            if(strpos($categories, "-") === 0){
42                $categories = '-"'.substr($categories, 1).'"';
43            }
44            $query = "@categories ({$categories} {$starKeyword}) | @(body,title) {$keywords}";
45        }
46        $this->_query = $query;
47        $res = $this->_sphinx->Query($query, $this->_index);
48        $this->_result = $res;
49
50        if (empty($res['matches'])) {
51            return false;
52	}
53
54        $pageMapper = new PageMapper();
55
56        $pagesIdsAll = $pageMapper->getByCrc(array_keys($res['matches']));
57        $this->_offset = 0;
58        $counter = 0;
59        $tmpRes = array();
60        $pagesIds = array();
61        foreach($pagesIdsAll as $id => $pageData){
62            $this->_offset++;
63            if(auth_quickaclcheck($pageData['page']) >= AUTH_READ){
64                if(!isset($tmpRes[$pageData['page']])){
65                    $tmpRes[$pageData['page']] = 1;
66                    $counter++;
67                }
68                $pagesIds[$id] = $pageData;
69                if ($counter == $resultsPerPage){
70                    break;
71                }
72            }
73        }
74        if (empty($pagesIds)){
75            return false;
76        }
77
78        $pagesList = array();
79        $body = array();
80        $titleText = array();
81        $category = array();
82        foreach ($pagesIds as $crc => $data){
83            if (!empty($data['hid'])){
84                $bodyHtml = p_render('xhtml',p_get_instructions(getSectionByTitleLevel($data['page'], $data['title'], true)),$info);
85            } else {
86                $bodyHtml = p_wiki_xhtml($data['page']);
87            }
88            $bodyHtml = preg_replace("#[\s]+?</li>#", "</li>;", $bodyHtml);
89            $bodyHtml = htmlspecialchars_decode($bodyHtml);
90            $body[$crc] = strip_tags($bodyHtml);
91            $titleText[$crc] = strip_tags($data['title_text']);
92            $category[$crc] = $data['page'];
93        }
94
95        $starQuery = $this->starQuery($keywords);
96        $bodyExcerpt = $this->getExcerpt($body, $starQuery);
97        $titleTextExcerpt = $this->getExcerpt($titleText, $starQuery);
98        $i = 0;
99        $results = array();
100        foreach($body as $crc => $notused){
101            $results[$crc] = array(
102                'page' => $pagesIds[$crc]['page'],
103                'bodyExcerpt' => $bodyExcerpt[$i],
104                'titleTextExcerpt' => $titleTextExcerpt[$i],
105                'hid' => $pagesIds[$crc]['hid'],
106                'title' => $pagesIds[$crc]['title'],
107                'title_text' => $pagesIds[$crc]['title_text']
108            );
109            $i++;
110        }
111        return $results;
112    }
113
114    public function getOffset()
115    {
116        return $this->_offset;
117    }
118
119    public function getError()
120    {
121        return $this->_sphinx->GetLastError();
122    }
123
124    public function getTotalFound()
125    {
126        return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0;
127    }
128
129    public function getExcerpt($data, $query)
130    {
131        return $this->_sphinx->BuildExcerpts($data, $this->_index, $query,
132                    array(
133                        'limit' => $this->_snippetSize,
134                        'around' => $this->_aroundKeyword,
135                        'weight_order' => 1,
136                        'sp' => 1
137                    )
138                );
139    }
140
141    public function starQuery($query)
142    {
143        $query = $this->removeStars($query);
144        $words = explode(" ", $query);
145        foreach($words as $id => $word){
146            $words[$id] = "*".$word."*";
147        }
148        return implode(" ", $words);
149    }
150
151    public function removeStars($query)
152    {
153        $words = explode(" ", $query);
154        foreach($words as $id => $word){
155            $words[$id] = trim($word, "*");
156        }
157        return implode(" ", $words);
158    }
159
160    public function getQuery()
161    {
162        return $this->_query;
163    }
164
165    public function setSnippetSize($symbols = 256)
166    {
167        $this->_snippetSize = $symbols;
168    }
169
170    public function setArroundWordsCount($words = 5)
171    {
172        $this->_aroundKeyword = $words;
173    }
174
175    public function setTitlePriority($priority)
176    {
177        $this->_titlePriority = $priority;
178    }
179
180    public function setBodyPriority($priority)
181    {
182        $this->_bodyPriority = $priority;
183    }
184
185    public function setCategoriesPriority($priority)
186    {
187        $this->_categoriesPriority = $priority;
188    }
189}
190