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 private $_resultsPerPage = 10; 17 18 private $_titlePriority = 1; 19 private $_bodyPriority = 1; 20 private $_namespacePriority = 1; 21 private $_pagenamePriority = 1; 22 23 public function __construct($host, $port, $index) 24 { 25 $this->_sphinx = new SphinxClient(); 26 $this->_sphinx->SetServer($host, $port); 27 $this->_sphinx->SetMatchMode(SPH_MATCH_EXTENDED2); 28 29 $this->_index = $index; 30 } 31 32 public function setSearchAllQuery($keywords, $categories) 33 { 34 $keywords = $this->_sphinx->EscapeString($keywords); 35 $starKeyword = $this->starQuery($keywords); 36 $this->_query = "(@(namespace,pagename) $starKeyword) | (@(body,title) {$keywords})"; 37 } 38 39 public function setSearchAllQueryWithCategoryFilter($keywords, $categories) 40 { 41 $keywords = $this->_sphinx->EscapeString($keywords); 42 $starKeyword = $this->starQuery($keywords); 43 if(strpos($categories, "-") === 0){ 44 $categories = '-"'.substr($categories, 1).'"'; 45 } 46 $this->_query = "(@(namespace,pagename) {$categories}) & ((@(body,title) {$keywords}) | (@(namespace,pagename) {$starKeyword}))"; 47 } 48 49 public function setSearchCategoryQuery($keywords, $categories) 50 { 51 $keywords = $this->_sphinx->EscapeString($keywords); 52 $starKeyword = $this->starQuery($keywords); 53 if (!empty($categories)){ 54 $this->_query = "(@(namespace,pagename) $categories $starKeyword)"; 55 } else { 56 $this->_query = "(@(namespace,pagename) $starKeyword)"; 57 } 58 59 } 60 61 public function search($start, $resultsPerPage = 10) 62 { 63 $this->_resultsPerPage = $resultsPerPage; 64 65 $this->_sphinx->SetFieldWeights(array( 66 'namespace' => $this->_namespacePriority, 67 'pagename' => $this->_pagenamePriority, 68 'title' => $this->_titlePriority, 69 'body' => $this->_bodyPriority) 70 ); 71 72 $this->_sphinx->SetLimits($start, $resultsPerPage+100); 73 74 $res = $this->_sphinx->Query($this->_query, $this->_index); 75 $this->_result = $res; 76 77 if (empty($res['matches'])) { 78 return false; 79 } 80 return true; 81 } 82 83 public function getPages($keywords) 84 { 85 if (empty($this->_result['matches'])) { 86 return false; 87 } 88 $pagesIdsAll = $this->getPagesIds(); 89 $this->_offset = 0; 90 $counter = 0; 91 $tmpRes = array(); 92 $pagesIds = array(); 93 foreach($pagesIdsAll as $id => $pageData){ 94 $this->_offset++; 95 if(auth_quickaclcheck($pageData['page']) >= AUTH_READ){ 96 if(!isset($tmpRes[$pageData['page']])){ 97 $tmpRes[$pageData['page']] = 1; 98 $counter++; 99 } 100 $pagesIds[$id] = $pageData; 101 if ($counter == $this->_resultsPerPage){ 102 break; 103 } 104 } 105 } 106 if (empty($pagesIds)){ 107 return false; 108 } 109 110 $pagesList = array(); 111 $body = array(); 112 $titleText = array(); 113 $category = array(); 114 foreach ($pagesIds as $crc => $data){ 115 if (!empty($data['hid'])){ 116 $bodyHtml = p_render('xhtml',p_get_instructions(getSectionByTitleLevel($data['page'], $data['title'], true)),$info); 117 } else { 118 $bodyHtml = p_wiki_xhtml($data['page']); 119 } 120 $bodyHtml = preg_replace("#[\s]+?</li>#", "</li>;", $bodyHtml); 121 $bodyHtml = htmlspecialchars_decode($bodyHtml); 122 $body[$crc] = strip_tags($bodyHtml); 123 if(!empty($data['title_text'])){ 124 $titleText[$crc] = strip_tags($data['title_text']); 125 } else { 126 $titleText[$crc] = $data['page']; 127 } 128 $category[$crc] = $data['page']; 129 } 130 131 //$starQuery = $this->starQuery($keywords); 132 $bodyExcerpt = $this->getExcerpt($body, $keywords); 133 $titleTextExcerpt = $this->getExcerpt($titleText, $keywords); 134 $i = 0; 135 $results = array(); 136 foreach($body as $crc => $notused){ 137 $results[$crc] = array( 138 'page' => $pagesIds[$crc]['page'], 139 'bodyExcerpt' => $bodyExcerpt[$i], 140 'titleTextExcerpt' => $titleTextExcerpt[$i], 141 'hid' => $pagesIds[$crc]['hid'], 142 'title' => $pagesIds[$crc]['title'], 143 'title_text' => $pagesIds[$crc]['title_text'] 144 ); 145 $i++; 146 } 147 return $results; 148 } 149 150 public function getPagesIds() 151 { 152 $pageMapper = new PageMapper(); 153 154 return $pageMapper->getByCrc(array_keys($this->_result['matches'])); 155 } 156 157 public function getOffset() 158 { 159 return $this->_offset; 160 } 161 162 public function getError() 163 { 164 return $this->_sphinx->GetLastError(); 165 } 166 167 public function getTotalFound() 168 { 169 return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0; 170 } 171 172 public function getExcerpt($data, $query) 173 { 174 return $this->_sphinx->BuildExcerpts($data, $this->_index, $query, 175 array( 176 'limit' => $this->_snippetSize, 177 'around' => $this->_aroundKeyword, 178 'weight_order' => 1, 179 'sp' => 1 180 ) 181 ); 182 } 183 184 public function starQuery($query) 185 { 186 $query = $this->removeStars($query); 187 $words = explode(" ", $query); 188 foreach($words as $id => $word){ 189 $words[$id] = "*".$word."*"; 190 } 191 return implode(" ", $words); 192 } 193 194 public function removeStars($query) 195 { 196 $words = explode(" ", $query); 197 foreach($words as $id => $word){ 198 $words[$id] = trim($word, "*"); 199 } 200 return implode(" ", $words); 201 } 202 203 public function getQuery() 204 { 205 return $this->_query; 206 } 207 208 public function setSnippetSize($symbols = 256) 209 { 210 $this->_snippetSize = $symbols; 211 } 212 213 public function setArroundWordsCount($words = 5) 214 { 215 $this->_aroundKeyword = $words; 216 } 217 218 public function setTitlePriority($priority) 219 { 220 $this->_titlePriority = $priority; 221 } 222 223 public function setBodyPriority($priority) 224 { 225 $this->_bodyPriority = $priority; 226 } 227 228 public function setNamespacePriority($priority) 229 { 230 $this->_namespacePriority = $priority; 231 } 232 233 public function setPagenamePriority($priority) 234 { 235 $this->_pagenamePriority = $priority; 236 } 237} 238