Backport WikiMap/JobQueueGroup logic to handle hyphenated DB names

[lhc/web/wiklou.git] / includes / WikiMap.php

diff --git a/includes/WikiMap.php b/includes/WikiMap.php
index 4f3c461..9cc308d 100644 (file)
--- a/includes/WikiMap.php
+++ b/includes/WikiMap.php
@@ -21,6 +21,7 @@
  */
 
 use MediaWiki\MediaWikiServices;
+use Wikimedia\Rdbms\DatabaseDomain;
 
 /**
  * Helper tools for dealing with other locally-hosted wikis.
@@ -239,4 +240,55 @@ class WikiMap {
 
                return false;
        }
+
+       /**
+        * Get the wiki ID of a database domain
+        *
+        * This is like DatabaseDomain::getId() without encoding (for legacy reasons)
+        *
+        * @param string|DatabaseDomain $domain
+        * @return string
+        */
+       public static function getWikiIdFromDomain( $domain ) {
+               if ( !( $domain instanceof DatabaseDomain ) ) {
+                       $domain = DatabaseDomain::newFromId( $domain );
+               }
+
+               return strlen( $domain->getTablePrefix() )
+                       ? "{$domain->getDatabase()}-{$domain->getTablePrefix()}"
+                       : $domain->getDatabase();
+       }
+
+       /**
+        * @param DatabaseDomain|string $domain
+        * @return bool Whether $domain has the same DB/prefix as the current wiki
+        * @since 1.33
+        */
+       public static function isCurrentWikiDbDomain( $domain ) {
+               $domain = DatabaseDomain::newFromId( $domain );
+               $curDomain = self::getCurrentWikiDbDomain();
+
+               if ( !in_array( $curDomain->getSchema(), [ null, 'mediawiki' ], true ) ) {
+                       // Include the schema if it is set and is not the default placeholder.
+                       // This means a site admin may have specifically taylored the schemas.
+                       // Domain IDs might use the form <DB>-<project>-<language>, meaning that
+                       // the schema portion must be accounted for to disambiguate wikis.
+                       return $curDomain->equals( $domain );
+               }
+
+               return (
+                       $curDomain->getDatabase() === $domain->getDatabase() &&
+                       $curDomain->getTablePrefix() === $domain->getTablePrefix()
+               );
+       }
+
+       /**
+        * @return DatabaseDomain Database domain of the current wiki
+        * @since 1.33
+        */
+       public static function getCurrentWikiDbDomain() {
+               global $wgDBname, $wgDBmwschema, $wgDBprefix;
+               // Avoid invoking LBFactory to avoid any chance of recursion
+               return new DatabaseDomain( $wgDBname, $wgDBmwschema, (string)$wgDBprefix );
+       }
 }