コード例 #1
0
ファイル: SearchEngine.php プロジェクト: OrBin/mediawiki
 /**
  * Process completion search results.
  * Resolves the titles and rescores.
  * @param SearchSuggestionSet $suggestions
  * @return SearchSuggestionSet
  */
 protected function processCompletionResults($search, SearchSuggestionSet $suggestions)
 {
     if ($suggestions->getSize() == 0) {
         // If we don't have anything, don't bother
         return $suggestions;
     }
     $search = trim($search);
     // preload the titles with LinkBatch
     $titles = $suggestions->map(function (SearchSuggestion $sugg) {
         return $sugg->getSuggestedTitle();
     });
     $lb = new LinkBatch($titles);
     $lb->setCaller(__METHOD__);
     $lb->execute();
     $results = $suggestions->map(function (SearchSuggestion $sugg) {
         return $sugg->getSuggestedTitle()->getPrefixedText();
     });
     // Rescore results with an exact title match
     $rescorer = new SearchExactMatchRescorer();
     $rescoredResults = $rescorer->rescore($search, $this->namespaces, $results, $this->limit);
     if (count($rescoredResults) > 0) {
         $found = array_search($rescoredResults[0], $results);
         if ($found === false) {
             // If the first result is not in the previous array it
             // means that we found a new exact match
             $exactMatch = SearchSuggestion::fromTitle(0, Title::newFromText($rescoredResults[0]));
             $suggestions->prepend($exactMatch);
             $suggestions->shrink($this->limit);
         } else {
             // if the first result is not the same we need to rescore
             if ($found > 0) {
                 $suggestions->rescore($found);
             }
         }
     }
     return $suggestions;
 }
コード例 #2
0
ファイル: SearchEngine.php プロジェクト: paladox/mediawiki
 /**
  * Process completion search results.
  * Resolves the titles and rescores.
  * @param SearchSuggestionSet $suggestions
  * @return SearchSuggestionSet
  */
 protected function processCompletionResults($search, SearchSuggestionSet $suggestions)
 {
     $search = trim($search);
     // preload the titles with LinkBatch
     $titles = $suggestions->map(function (SearchSuggestion $sugg) {
         return $sugg->getSuggestedTitle();
     });
     $lb = new LinkBatch($titles);
     $lb->setCaller(__METHOD__);
     $lb->execute();
     $results = $suggestions->map(function (SearchSuggestion $sugg) {
         return $sugg->getSuggestedTitle()->getPrefixedText();
     });
     if ($this->offset === 0) {
         // Rescore results with an exact title match
         // NOTE: in some cases like cross-namespace redirects
         // (frequently used as shortcuts e.g. WP:WP on huwiki) some
         // backends like Cirrus will return no results. We should still
         // try an exact title match to workaround this limitation
         $rescorer = new SearchExactMatchRescorer();
         $rescoredResults = $rescorer->rescore($search, $this->namespaces, $results, $this->limit);
     } else {
         // No need to rescore if offset is not 0
         // The exact match must have been returned at position 0
         // if it existed.
         $rescoredResults = $results;
     }
     if (count($rescoredResults) > 0) {
         $found = array_search($rescoredResults[0], $results);
         if ($found === false) {
             // If the first result is not in the previous array it
             // means that we found a new exact match
             $exactMatch = SearchSuggestion::fromTitle(0, Title::newFromText($rescoredResults[0]));
             $suggestions->prepend($exactMatch);
             $suggestions->shrink($this->limit);
         } else {
             // if the first result is not the same we need to rescore
             if ($found > 0) {
                 $suggestions->rescore($found);
             }
         }
     }
     return $suggestions;
 }
コード例 #3
0
 /**
  * Builds a new set of suggestion based on a title array.
  * Useful when using a backend that supports only Titles.
  *
  * NOTE: Suggestion scores will be generated.
  *
  * @param Title[] $titles
  * @return SearchSuggestionSet
  */
 public static function fromTitles(array $titles)
 {
     $score = count($titles);
     $suggestions = array_map(function ($title) use(&$score) {
         return SearchSuggestion::fromTitle($score--, $title);
     }, $titles);
     return new SearchSuggestionSet($suggestions);
 }