1 files changed, 124 insertions, 0 deletions
diff --git a/www/wiki/maintenance/convertUserOptions.php b/www/wiki/maintenance/convertUserOptions.php
new file mode 100644
index 00000000..c1a096fd
--- /dev/null
+++ b/www/wiki/maintenance/convertUserOptions.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Convert user options to the new `user_properties` table.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IDatabase;
+
+/**
+ * Maintenance script to convert user options to the new `user_properties` table.
+ *
+ * @ingroup Maintenance
+ */
+class ConvertUserOptions extends Maintenance {
+
+	private $mConversionCount = 0;
+
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Convert user options from old to new system' );
+		$this->setBatchSize( 50 );
+	}
+
+	public function execute() {
+		$this->output( "...batch conversion of user_options: " );
+		$id = 0;
+		$dbw = $this->getDB( DB_MASTER );
+
+		if ( !$dbw->fieldExists( 'user', 'user_options', __METHOD__ ) ) {
+			$this->output( "nothing to migrate. " );
+
+			return;
+		}
+		while ( $id !== null ) {
+			$res = $dbw->select( 'user',
+				[ 'user_id', 'user_options' ],
+				[
+					'user_id > ' . $dbw->addQuotes( $id ),
+					"user_options != " . $dbw->addQuotes( '' ),
+				],
+				__METHOD__,
+				[
+					'ORDER BY' => 'user_id',
+					'LIMIT' => $this->getBatchSize(),
+				]
+			);
+			$id = $this->convertOptionBatch( $res, $dbw );
+
+			wfWaitForSlaves();
+
+			if ( $id ) {
+				$this->output( "--Converted to ID $id\n" );
+			}
+		}
+		$this->output( "done. Converted " . $this->mConversionCount . " user records.\n" );
+	}
+
+	/**
+	 * @param ResultWrapper $res
+	 * @param IDatabase $dbw
+	 * @return null|int
+	 */
+	function convertOptionBatch( $res, $dbw ) {
+		$id = null;
+		foreach ( $res as $row ) {
+			$this->mConversionCount++;
+			$insertRows = [];
+			foreach ( explode( "\n", $row->user_options ) as $s ) {
+				$m = [];
+				if ( !preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
+					continue;
+				}
+
+				// MW < 1.16 would save even default values. Filter them out
+				// here (as in User) to avoid adding many unnecessary rows.
+				$defaultOption = User::getDefaultOption( $m[1] );
+				if ( is_null( $defaultOption ) || $m[2] != $defaultOption ) {
+					$insertRows[] = [
+						'up_user' => $row->user_id,
+						'up_property' => $m[1],
+						'up_value' => $m[2],
+					];
+				}
+			}
+
+			if ( count( $insertRows ) ) {
+				$dbw->insert( 'user_properties', $insertRows, __METHOD__, [ 'IGNORE' ] );
+			}
+
+			$dbw->update(
+				'user',
+				[ 'user_options' => '' ],
+				[ 'user_id' => $row->user_id ],
+				__METHOD__
+			);
+			$id = $row->user_id;
+		}
+
+		return $id;
+	}
+}
+
+$maintClass = ConvertUserOptions::class;
+require_once RUN_MAINTENANCE_IF_MAIN;