Adjust share_external table

Add column "parent" if missing.
Drop column "lastscan" if exists.

Signed-off-by: Vincent Petry <vincent@nextcloud.com>

apps/files_sharing/appinfo/info.xml

@@ -9,7 +9,7 @@
 Turning the feature off removes shared files and folders on the server for all share recipients, and also on the sync clients and mobile apps. More information is available in the Nextcloud Documentation.
 
 	</description>
-	<version>1.12.1</version>
+	<version>1.12.2</version>
 	<licence>agpl</licence>
 	<author>Michael Gapczynski</author>
 	<author>Bjoern Schiessle</author>

apps/files_sharing/composer/composer/autoload_classmap.php

@@ -63,6 +63,7 @@ return array(
     'OCA\\Files_Sharing\\Migration\\SetAcceptedStatus' => $baseDir . '/../lib/Migration/SetAcceptedStatus.php',
     'OCA\\Files_Sharing\\Migration\\SetPasswordColumn' => $baseDir . '/../lib/Migration/SetPasswordColumn.php',
     'OCA\\Files_Sharing\\Migration\\Version11300Date20201120141438' => $baseDir . '/../lib/Migration/Version11300Date20201120141438.php',
+    'OCA\\Files_Sharing\\Migration\\Version21000Date20201223143245' => $baseDir . '/../lib/Migration/Version21000Date20201223143245.php',
     'OCA\\Files_Sharing\\MountProvider' => $baseDir . '/../lib/MountProvider.php',
     'OCA\\Files_Sharing\\Notification\\Listener' => $baseDir . '/../lib/Notification/Listener.php',
     'OCA\\Files_Sharing\\Notification\\Notifier' => $baseDir . '/../lib/Notification/Notifier.php',

apps/files_sharing/composer/composer/autoload_static.php

@@ -78,6 +78,7 @@ class ComposerStaticInitFiles_Sharing
         'OCA\\Files_Sharing\\Migration\\SetAcceptedStatus' => __DIR__ . '/..' . '/../lib/Migration/SetAcceptedStatus.php',
         'OCA\\Files_Sharing\\Migration\\SetPasswordColumn' => __DIR__ . '/..' . '/../lib/Migration/SetPasswordColumn.php',
         'OCA\\Files_Sharing\\Migration\\Version11300Date20201120141438' => __DIR__ . '/..' . '/../lib/Migration/Version11300Date20201120141438.php',
+        'OCA\\Files_Sharing\\Migration\\Version21000Date20201223143245' => __DIR__ . '/..' . '/../lib/Migration/Version21000Date20201223143245.php',
         'OCA\\Files_Sharing\\MountProvider' => __DIR__ . '/..' . '/../lib/MountProvider.php',
         'OCA\\Files_Sharing\\Notification\\Listener' => __DIR__ . '/..' . '/../lib/Notification/Listener.php',
         'OCA\\Files_Sharing\\Notification\\Notifier' => __DIR__ . '/..' . '/../lib/Notification/Notifier.php',

apps/files_sharing/lib/Migration/Version11300Date20201120141438.php

@@ -116,6 +116,15 @@ class Version11300Date20201120141438 extends SimpleMigrationStep {
 				$remoteIdColumn->setOptions(['length' => 255]);
 				$remoteIdColumn->setDefault('');
 			}
+			if (!$table->hasColumn('parent')) {
+				$table->addColumn('parent', Types::BIGINT, [
+					'notnull' => false,
+					'default' => -1,
+				]);
+			}
+			if ($table->hasColumn('lastscan')) {
+				$table->dropColumn('lastscan');
+			}
 		}
 
 		return $schema;

apps/files_sharing/lib/Migration/Version21000Date20201223143245.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Vincent Petry <vincent@nextcloud.com>
+ *
+ * @author Vincent Petry <vincent@nextcloud.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+namespace OCA\Files_Sharing\Migration;
+
+use Closure;
+use Doctrine\DBAL\Types\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version21000Date20201223143245 extends SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('share_external')) {
+			$table = $schema->getTable('share_external');
+			$changed = false;
+			if (!$table->hasColumn('parent')) {
+				$table->addColumn('parent', Types::BIGINT, [
+					'notnull' => false,
+					'default' => -1,
+				]);
+				$changed = true;
+			}
+			if ($table->hasColumn('lastscan')) {
+				$table->dropColumn('lastscan');
+				$changed = true;
+			}
+
+			if ($changed) {
+				return $schema;
+			}
+		}
+
+		return null;
+	}
+}