<?php

/**
 * This script deletes old message attachments.
 *
 * Files attached to member messages are not viewable by other users, but they
 * take up space on the server. You may want to delete them after a certain
 * number of days in order to prevent users from using messages as a sort of
 * private storage space.
 */
if (!defined('RX_VERSION'))
{
	exit;
}

// Initialize the exit status.
$exit_status = 0;

// Delete attachments older than this number of days.
$days = intval($args[0] ?? 0) ?: 30;

// Initialize objects.
$oDB = DB::getInstance();
$oFileController = FileController::getInstance();

// Find and delete files where upload_target_type = msg.
while (true)
{
	$output = executeQueryArray('file.getFileList', [
		'upload_target_type' => 'msg',
		'list_count' => 50,
		'regdate_before' => date('YmdHis', time() - ($days * 86400)),
	]);

	if ($output->toBool())
	{
		if ($output->data)
		{
			$oDB->begin();
			foreach ($output->data as $file_info)
			{
				$oFileController->deleteFile($file_info->file_srl);
			}
			$oDB->commit();

			if ($output->page_navigation && $output->page_navigation->total_count == count($output->data))
			{
				break;
			}
		}
		else
		{
			break;
		}
	}
	else
	{
		echo "Error while deleting message attachments older than $days days.\n";
		echo $output->getMessage() . "\n";
		$exit_status = 11;
		break;
	}
}
if ($exit_status == 0)
{
	echo "Successfully deleted all message attachments older than $days days.\n";
}