DECK cli occ command to work around performance issue for setups with…

appinfo/info.xml

@@ -47,6 +47,7 @@
         </live-migration>
     </repair-steps>
     <commands>
+t	<command>OCA\Deck\Command\ArchiveOldCards</command>
         <command>OCA\Deck\Command\UserExport</command>
         <command>OCA\Deck\Command\BoardImport</command>
         <command>OCA\Deck\Command\TransferOwnership</command>

lib/Command/ArchiveOldCards.php

@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Deck\Command;
+
+use DateTime;
+use OCA\Deck\Db\Card;
+use OCA\Deck\Db\CardMapper;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ArchiveOldCards extends Command {
+    private IDBConnection $db;
+    private CardMapper $cardMapper;
+
+    public function __construct(IDBConnection $db, CardMapper $cardMapper) {
+        parent::__construct();
+        $this->db = $db;
+        $this->cardMapper = $cardMapper;
+    }
+
+    protected function configure(): void {
+        $this->setName('deck:cards:archive-old')
+            ->setDescription('Archive Deck cards older than a specified number of days')
+            ->addOption(
+                'days',
+                'd',
+                InputOption::VALUE_REQUIRED,
+                'Number of days of inactivity before archiving',
+                60
+            )
+            ->addOption(
+                'dry-run',
+                null,
+                InputOption::VALUE_NONE,
+                'List cards that would be archived without modifying them'
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int {
+        $isDryRun = (bool)$input->getOption('dry-run');
+        $days = (int)$input->getOption('days');
+
+        if ($days <= 0) {
+            $output->writeln('<error>The --days parameter must be a positive integer.</error>');
+            return Command::INVALID;
+        }
+
+        $cutoffTimestamp = (new DateTime("-{$days} days"))->getTimestamp();
+
+        $output->writeln("<info>Searching for active cards unchanged for at least {$days} days (before " . date('Y-m-d H:i:s', $cutoffTimestamp) . ")...</info>");
+
+        $qb = $this->db->getQueryBuilder();
+        $qb->select('*')
+            ->from('deck_cards')
+            ->where($qb->expr()->eq('archived', $qb->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
+            ->andWhere($qb->expr()->lt('last_modified', $qb->createNamedParameter($cutoffTimestamp, IQueryBuilder::PARAM_INT)));
+
+        $result = $qb->executeQuery();
+        $count = 0;
+
+        while ($row = $result->fetch()) {
+            $count++;
+            $cardTitle = $row['title'] ?? 'Untitled';
+            $cardId = $row['id'];
+
+            if ($isDryRun) {
+                $output->writeln("[Dry Run] Would archive card ID {$cardId}: {$cardTitle}");
+                continue;
+            }
+
+            /** @var Card $card */
+            $card = $this->cardMapper->createEntity($row);
+            $card->setArchived(true);
+            $card->setLastModified(time());
+
+            $this->cardMapper->update($card);
+            $output->writeln("Archived card ID {$cardId}: {$cardTitle}");
+        }
+
+        $result->closeCursor();
+        $output->writeln("<info>Finished. Total cards processed: {$count}</info>");
+
+        return Command::SUCCESS;
+    }
+}