Create migration to set API keys in name column

module/Core/migrations/Version20241105094747.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * In preparation to start hashing API keys, move all plain-text keys to the `name` column for all keys without name,
+ * and append it to the name for all keys which already have a name.
+ */
+final class Version20241105094747 extends AbstractMigration
+{
+    public function up(Schema $schema): void
+    {
+        $keyColumnName = $this->connection->quoteIdentifier('key');
+
+        // Append key to the name for all API keys that already have a name
+        $qb = $this->connection->createQueryBuilder();
+        $qb->update('api_keys')
+            ->set('name', 'CONCAT(name, ' . $this->connection->quote(' - ') . ', ' . $keyColumnName . ')')
+            ->where($qb->expr()->isNotNull('name'));
+        $qb->executeStatement();
+
+        // Set plain key as name for all API keys without a name
+        $qb = $this->connection->createQueryBuilder();
+        $qb->update('api_keys')
+           ->set('name', $keyColumnName)
+           ->where($qb->expr()->isNull('name'));
+        $qb->executeStatement();
+    }
+
+    public function isTransactional(): bool
+    {
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
+    }
+}