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