Merge "MovePage: Fix old, old bug with moving over redirects"
[lhc/web/wiklou.git] / includes / search / SearchEngine.php
index 0171ed9..c2ccca0 100644 (file)
@@ -655,6 +655,46 @@ abstract class SearchEngine {
                return null;
        }
 
+       /**
+        * Create a search field definition.
+        * Specific search engines should override this method to create search fields.
+        * @param string $name
+        * @param int    $type One of the types in SearchIndexField::INDEX_TYPE_*
+        * @return SearchIndexField
+        * @since 1.28
+        */
+       public function makeSearchFieldMapping( $name, $type ) {
+               return new NullIndexField();
+       }
+
+       /**
+        * Get fields for search index
+        * @since 1.28
+        * @return SearchIndexField[] Index field definitions for all content handlers
+        */
+       public function getSearchIndexFields() {
+               $models = ContentHandler::getContentModels();
+               $fields = [];
+               foreach ( $models as $model ) {
+                       $handler = ContentHandler::getForModelID( $model );
+                       $handlerFields = $handler->getFieldsForSearchIndex( $this );
+                       foreach ( $handlerFields as $fieldName => $fieldData ) {
+                               if ( empty( $fields[$fieldName] ) ) {
+                                       $fields[$fieldName] = $fieldData;
+                               } else {
+                                       // TODO: do we allow some clashes with the same type or reject all of them?
+                                       $mergeDef = $fields[$fieldName]->merge( $fieldData );
+                                       if ( !$mergeDef ) {
+                                               throw new InvalidArgumentException( "Duplicate field $fieldName for model $model" );
+                                       }
+                                       $fields[$fieldName] = $mergeDef;
+                               }
+                       }
+               }
+               // Hook to allow extensions to produce search mapping fields
+               Hooks::run( 'SearchIndexFields', [ &$fields, $this ] );
+               return $fields;
+       }
 }
 
 /**