inc/Action/Search.php

   1 <?php
   2
   3 namespace dokuwiki\Action;
   4
   5 use dokuwiki\Action\Exception\ActionAbort;
   6
   7 /**
   8  * Class Search
   9  *
  10  * Search for pages and content
  11  *
  12  * @package dokuwiki\Action
  13  */
  14 class Search extends AbstractAction {
  15
  16     protected $pageLookupResults = array();
  17     protected $fullTextResults = array();
  18     protected $highlight = array();
  19
  20     /** @inheritdoc */
  21     public function minimumPermission() {
  22         return AUTH_NONE;
  23     }
  24
  25     /**
  26      * we only search if a search word was given
  27      *
  28      * @inheritdoc
  29      */
  30     public function checkPermissions() {
  31         parent::checkPermissions();
  32     }
  33
  34     public function preProcess()
  35     {
  36         global $QUERY, $ID, $conf, $INPUT;
  37         $s = cleanID($QUERY);
  38
  39         if ($ID !== $conf['start'] && $s === '') {
  40             parse_str($INPUT->server->str('QUERY_STRING'), $urlParts);
  41             $urlParts['q'] = $urlParts['id'];
  42             $urlParts['id'] = $conf['start'];
  43             $url = DOKU_URL . DOKU_SCRIPT . '?' . http_build_query($urlParts, null, '&');
  44             send_redirect($url);
  45         }
  46
  47         if ($s === '') throw new ActionAbort();
  48         $this->adjustGlobalQuery();
  49     }
  50
  51     /** @inheritdoc */
  52     public function tplContent()
  53     {
  54         $this->execute();
  55
  56         $search = new \dokuwiki\Ui\Search($this->pageLookupResults, $this->fullTextResults, $this->highlight);
  57         $search->show();
  58     }
  59
  60
  61     /**
  62      * run the search
  63      */
  64     protected function execute()
  65     {
  66         global $INPUT, $QUERY;
  67         $this->pageLookupResults = ft_pageLookup($QUERY, true, useHeading('navigation'));
  68         $this->fullTextResults = ft_pageSearch($QUERY, $highlight, $INPUT->str('sort'));
  69         $this->highlight = $highlight;
  70     }
  71
  72     /**
  73      * Adjust the global query accordingly to the config search_limit_to_first_ns and search_default_fragment_behaviour
  74      *
  75      * This will only do something if the search didn't originate from the form on the searchpage itself
  76      */
  77     protected function adjustGlobalQuery()
  78     {
  79         global $conf, $INPUT, $QUERY, $ID;
  80
  81         if ($INPUT->bool('searchPageForm')) {
  82             return;
  83         }
  84
  85         $Indexer = idx_get_indexer();
  86         $parsedQuery = ft_queryParser($Indexer, $QUERY);
  87
  88         if (empty($parsedQuery['ns']) && empty($parsedQuery['notns'])) {
  89             if ($conf['search_limit_to_first_ns'] > 0) {
  90                 if (getNS($ID) !== false) {
  91                     $nsParts = explode(':', getNS($ID));
  92                     $ns = implode(':', array_slice($nsParts, 0, $conf['search_limit_to_first_ns']));
  93                     $QUERY .= " @$ns";
  94                 }
  95             }
  96         }
  97
  98         if ($conf['search_default_fragment_behaviour'] !== 'exact') {
  99             if (empty(array_diff($parsedQuery['words'], $parsedQuery['and']))) {
 100                 if (strpos($QUERY, '*') === false) {
 101                     $queryParts = explode(' ', $QUERY);
 102                     $queryParts = array_map(function ($part) {
 103                         if (strpos($part, '@') === 0) {
 104                             return $part;
 105                         }
 106                         if (strpos($part, 'ns:') === 0) {
 107                             return $part;
 108                         }
 109                         if (strpos($part, '^') === 0) {
 110                             return $part;
 111                         }
 112                         if (strpos($part, '-ns:') === 0) {
 113                             return $part;
 114                         }
 115
 116                         global $conf;
 117
 118                         if ($conf['search_default_fragment_behaviour'] === 'starts_with') {
 119                             return $part . '*';
 120                         }
 121                         if ($conf['search_default_fragment_behaviour'] === 'ends_with') {
 122                             return '*' . $part;
 123                         }
 124
 125                         return '*' . $part . '*';
 126
 127                     }, $queryParts);
 128                     $QUERY = implode(' ', $queryParts);
 129                 }
 130             }
 131         }
 132     }
 133 }