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); 35 $query = ''; 36 if (!empty($keywords) && empty($categories)){ 37 $query = "@(body,title,categories) {$keywords}"; 38 } else { 39 $query = "@(body,title) {$keywords} @categories ".$categories; 40 } 41 $this->_query = $query; 42 $res = $this->_sphinx->Query($query, $this->_index); 43 $this->_result = $res; 44 if (empty($res['matches'])) { 45 return false; 46 } 47 48 $pageMapper = new PageMapper(); 49 50 $pageCrcList = array_keys($res['matches']); 51 $pagesIds = $pageMapper->getByCrc($pageCrcList); 52 53 $pagesList = array(); 54 $body = array(); 55 $titleText = array(); 56 $category = array(); 57 foreach ($pageCrcList as $crc){ 58 if (!empty($pagesIds[$crc]['hid'])){ 59 $bodyHtml = p_render('xhtml',p_get_instructions(getSection($pagesIds[$crc]['page'], $pagesIds[$crc]['title'])),$info); 60 } else { 61 $bodyHtml = p_wiki_xhtml($pagesIds[$crc]['page']); 62 } 63 $body[$crc] = strip_tags($bodyHtml); 64 $titleText[$crc] = strip_tags($pagesIds[$crc]['title_text']); 65 $category[$crc] = $pagesIds[$crc]['page']; 66 } 67 68 $starQuery = $this->starQuery($keywords); 69 $bodyExcerpt = $this->getExcerpt($body, $starQuery); 70 $titleTextExcerpt = $this->getExcerpt($titleText, $starQuery); 71 $i = 0; 72 $results = array(); 73 foreach($body as $crc => $notused){ 74 $results[$crc] = array( 75 'page' => $pagesIds[$crc]['page'], 76 'bodyExcerpt' => $bodyExcerpt[$i], 77 'titleTextExcerpt' => $titleTextExcerpt[$i], 78 'hid' => $pagesIds[$crc]['hid'], 79 'title' => $pagesIds[$crc]['title'], 80 'title_text' => $pagesIds[$crc]['title_text'] 81 ); 82 $i++; 83 } 84 return $results; 85 } 86 87 public function getTotalFound() 88 { 89 return !empty($this->_result['total_found'])?$this->_result['total_found'] : 0; 90 } 91 92 public function getExcerpt($data, $query) 93 { 94 return $this->_sphinx->BuildExcerpts($data, $this->_index, $query, 95 array( 96 'limit' => $this->_snippetSize, 97 'around' => $this->_aroundKeyword 98 ) 99 ); 100 } 101 102 public function starQuery($query) 103 { 104 $words = explode(" ", $query); 105 $starQuery = ''; 106 foreach($words as $word){ 107 $starQuery .= "*".$word."* "; 108 } 109 return $starQuery; 110 } 111 112 public function getQuery() 113 { 114 return $this->_query; 115 } 116 117 public function setSnippetSize($symbols = 256) 118 { 119 $this->_snippetSize = $symbols; 120 } 121 122 public function setArroundWordsCount($words = 5) 123 { 124 $this->_aroundKeyword = $words; 125 } 126 127 public function setTitlePriority($priority) 128 { 129 $this->_titlePriority = $priority; 130 } 131 132 public function setBodyPriority($priority) 133 { 134 $this->_bodyPriority = $priority; 135 } 136 137 public function setCategoriesPriority($priority) 138 { 139 $this->_categoriesPriority = $priority; 140 } 141} 142