Fix exif timestamp bug
[lhc/web/wiklou.git] / maintenance / userDupes.inc
index 0b4af7f..31bae8e 100644 (file)
@@ -33,9 +33,19 @@ class UserDupes {
        var $reassigned;
        var $trimmed;
        var $failed;
+       private $outputCallback;
 
-       function UserDupes( &$database ) {
-               $this->db =& $database;
+       function __construct( &$database, $outputCallback ) {
+               $this->db = $database;
+               $this->outputCallback = $outputCallback;
+       }
+
+       /**
+        * Output some text via the output callback provided
+        * @param $str String Text to print
+        */
+       private function out( $str ) {
+               call_user_func( $this->outputCallback, $str );
        }
 
        /**
@@ -44,10 +54,9 @@ class UserDupes {
         * @return bool
         */
        function hasUniqueIndex() {
-               $fname = 'UserDupes::hasUniqueIndex';
-               $info = $this->db->indexInfo( 'user', 'user_name', $fname );
+               $info = $this->db->indexInfo( 'user', 'user_name', __METHOD__ );
                if ( !$info ) {
-                       wfOut( "WARNING: doesn't seem to have user_name index at all!\n" );
+                       $this->out( "WARNING: doesn't seem to have user_name index at all!\n" );
                        return false;
                }
 
@@ -94,11 +103,11 @@ class UserDupes {
 
                $this->lock();
 
-               wfOut( "Checking for duplicate accounts...\n" );
+               $this->out( "Checking for duplicate accounts...\n" );
                $dupes = $this->getDupes();
                $count = count( $dupes );
 
-               wfOut( "Found $count accounts with duplicate records on " . wfWikiID() . ".\n" );
+               $this->out( "Found $count accounts with duplicate records on " . wfWikiID() . ".\n" );
                $this->trimmed    = 0;
                $this->reassigned = 0;
                $this->failed     = 0;
@@ -108,34 +117,34 @@ class UserDupes {
 
                $this->unlock();
 
-               wfOut( "\n" );
+               $this->out( "\n" );
 
                if ( $this->reassigned > 0 ) {
                        if ( $doDelete ) {
-                               wfOut( "$this->reassigned duplicate accounts had edits reassigned to a canonical record id.\n" );
+                               $this->out( "$this->reassigned duplicate accounts had edits reassigned to a canonical record id.\n" );
                        } else {
-                               wfOut( "$this->reassigned duplicate accounts need to have edits reassigned.\n" );
+                               $this->out( "$this->reassigned duplicate accounts need to have edits reassigned.\n" );
                        }
                }
 
                if ( $this->trimmed > 0 ) {
                        if ( $doDelete ) {
-                               wfOut( "$this->trimmed duplicate user records were deleted from " . wfWikiID() . ".\n" );
+                               $this->out( "$this->trimmed duplicate user records were deleted from " . wfWikiID() . ".\n" );
                        } else {
-                               wfOut( "$this->trimmed duplicate user accounts were found on " . wfWikiID() . " which can be removed safely.\n" );
+                               $this->out( "$this->trimmed duplicate user accounts were found on " . wfWikiID() . " which can be removed safely.\n" );
                        }
                }
 
                if ( $this->failed > 0 ) {
-                       wfOut( "Something terribly awry; $this->failed duplicate accounts were not removed.\n" );
+                       $this->out( "Something terribly awry; $this->failed duplicate accounts were not removed.\n" );
                        return false;
                }
 
                if ( $this->trimmed == 0 || $doDelete ) {
-                       wfOut( "It is now safe to apply the unique index on user_name.\n" );
+                       $this->out( "It is now safe to apply the unique index on user_name.\n" );
                        return true;
                } else {
-                       wfOut( "Run this script again with the --fix option to automatically delete them.\n" );
+                       $this->out( "Run this script again with the --fix option to automatically delete them.\n" );
                        return false;
                }
        }
@@ -145,7 +154,6 @@ class UserDupes {
         * @access private
         */
        function lock() {
-               $fname = 'UserDupes::lock';
                if ( $this->newSchema() ) {
                        $set = array( 'user', 'revision' );
                } else {
@@ -154,7 +162,7 @@ class UserDupes {
                $names = array_map( array( $this, 'lockTable' ), $set );
                $tables = implode( ',', $names );
 
-               $this->db->query( "LOCK TABLES $tables", $fname );
+               $this->db->query( "LOCK TABLES $tables", __METHOD__ );
        }
 
        function lockTable( $table ) {
@@ -166,15 +174,14 @@ class UserDupes {
         * @access private
         */
        function newSchema() {
-               return class_exists( 'Revision' );
+               return MWInit::classExists( 'Revision' );
        }
 
        /**
         * @access private
         */
        function unlock() {
-               $fname = 'UserDupes::unlock';
-               $this->db->query( "UNLOCK TABLES", $fname );
+               $this->db->query( "UNLOCK TABLES", __METHOD__ );
        }
 
        /**
@@ -183,13 +190,12 @@ class UserDupes {
         * @access private
         */
        function getDupes() {
-               $fname = 'UserDupes::listDupes';
                $user = $this->db->tableName( 'user' );
                $result = $this->db->query(
                         "SELECT user_name,COUNT(*) AS n
                                FROM $user
                        GROUP BY user_name
-                         HAVING n > 1", $fname );
+                         HAVING n > 1", __METHOD__ );
 
                $list = array();
                foreach ( $result as $row ) {
@@ -207,44 +213,43 @@ class UserDupes {
         * @access private
         */
        function examine( $name, $doDelete ) {
-               $fname = 'UserDupes::listDupes';
                $result = $this->db->select( 'user',
                        array( 'user_id' ),
                        array( 'user_name' => $name ),
-                       $fname );
+                       __METHOD__ );
 
                $firstRow = $this->db->fetchObject( $result );
                $firstId  = $firstRow->user_id;
-               wfOut( "Record that will be used for '$name' is user_id=$firstId\n" );
+               $this->out( "Record that will be used for '$name' is user_id=$firstId\n" );
 
                foreach ( $result as $row ) {
                        $dupeId = $row->user_id;
-                       wfOut( "... dupe id $dupeId: " );
+                       $this->out( "... dupe id $dupeId: " );
                        $edits = $this->editCount( $dupeId );
                        if ( $edits > 0 ) {
                                $this->reassigned++;
-                               wfOut( "has $edits edits! " );
+                               $this->out( "has $edits edits! " );
                                if ( $doDelete ) {
                                        $this->reassignEdits( $dupeId, $firstId );
                                        $newEdits = $this->editCount( $dupeId );
                                        if ( $newEdits == 0 ) {
-                                               wfOut( "confirmed cleaned. " );
+                                               $this->out( "confirmed cleaned. " );
                                        } else {
                                                $this->failed++;
-                                               wfOut( "WARNING! $newEdits remaining edits for $dupeId; NOT deleting user.\n" );
+                                               $this->out( "WARNING! $newEdits remaining edits for $dupeId; NOT deleting user.\n" );
                                                continue;
                                        }
                                } else {
-                                       wfOut( "(will need to reassign edits on fix)" );
+                                       $this->out( "(will need to reassign edits on fix)" );
                                }
                        } else {
-                               wfOut( "ok, no edits. " );
+                               $this->out( "ok, no edits. " );
                        }
                        $this->trimmed++;
                        if ( $doDelete ) {
                                $this->trimAccount( $dupeId );
                        }
-                       wfOut( "\n" );
+                       $this->out( "\n" );
                }
        }
 
@@ -274,12 +279,11 @@ class UserDupes {
         * @access private
         */
        function editCountOn( $table, $field, $userid ) {
-               $fname = 'UserDupes::editCountOn';
                return intval( $this->db->selectField(
                        $table,
                        'COUNT(*)',
                        array( $field => $userid ),
-                       $fname ) );
+                       __METHOD__ ) );
        }
 
        /**
@@ -304,13 +308,12 @@ class UserDupes {
         * @access private
         */
        function reassignEditsOn( $table, $field, $from, $to ) {
-               $fname = 'UserDupes::reassignEditsOn';
-               wfOut( "reassigning on $table... " );
+               $this->out( "reassigning on $table... " );
                $this->db->update( $table,
                        array( $field => $to ),
                        array( $field => $from ),
-                       $fname );
-               wfOut( "ok. " );
+                       __METHOD__ );
+               $this->out( "ok. " );
        }
 
        /**
@@ -319,10 +322,9 @@ class UserDupes {
         * @access private
         */
        function trimAccount( $userid ) {
-               $fname = 'UserDupes::trimAccount';
-               wfOut( "deleting..." );
-               $this->db->delete( 'user', array( 'user_id' => $userid ), $fname );
-               wfOut( " ok" );
+               $this->out( "deleting..." );
+               $this->db->delete( 'user', array( 'user_id' => $userid ), __METHOD__ );
+               $this->out( " ok" );
        }
 
 }