1 files changed, 19 insertions, 1 deletions
diff --git a/apps/files_trashbin/lib/UserMigration/TrashbinMigrator.php b/apps/files_trashbin/lib/UserMigration/TrashbinMigrator.php
index dbc6267eb3a..9c0334aa2f3 100644
--- a/apps/files_trashbin/lib/UserMigration/TrashbinMigrator.php
+++ b/apps/files_trashbin/lib/UserMigration/TrashbinMigrator.php
@@ -36,11 +36,12 @@ use OCP\IUser;
 use OCP\UserMigration\IExportDestination;
 use OCP\UserMigration\IImportSource;
 use OCP\UserMigration\IMigrator;
+use OCP\UserMigration\ISizeEstimationMigrator;
 use OCP\UserMigration\TMigratorBasicVersionHandling;
 use OCP\UserMigration\UserMigrationException;
 use Symfony\Component\Console\Output\OutputInterface;
 
-class TrashbinMigrator implements IMigrator {
+class TrashbinMigrator implements IMigrator, ISizeEstimationMigrator {
 
 	use TMigratorBasicVersionHandling;
 
@@ -66,6 +67,23 @@ class TrashbinMigrator implements IMigrator {
 	/**
 	 * {@inheritDoc}
 	 */
+	public function getEstimatedExportSize(IUser $user): int {
+		$uid = $user->getUID();
+
+		try {
+			$trashbinFolder = $this->root->get('/'.$uid.'/files_trashbin');
+			if (!$trashbinFolder instanceof Folder) {
+				return 0;
+			}
+			return (int)ceil($trashbinFolder->getSize() / 1024);
+		} catch (\Throwable $e) {
+			return 0;
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
 	public function export(IUser $user, IExportDestination $exportDestination, OutputInterface $output): void {
 		$output->writeln('Exporting trashbin into ' . Application::APP_ID . '…');