Extend tl_search via migration

src/Migration/ExtendTlSearchMigration.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace MummertMedia\ContaoMeilisearchBundle\Migration;
+
+use Contao\CoreBundle\Migration\MigrationInterface;
+use Contao\CoreBundle\Migration\MigrationResult;
+use Doctrine\DBAL\Connection;
+
+class ExtendTlSearchMigration implements MigrationInterface
+{
+    public function __construct(private readonly Connection $connection)
+    {
+    }
+
+    public function shouldRun(): bool
+    {
+        $schemaManager = $this->connection->createSchemaManager();
+        $columns = $schemaManager->listTableColumns('tl_search');
+
+        return
+            !isset($columns['keywords']) ||
+            !isset($columns['priority']) ||
+            !isset($columns['imagepath']) ||
+            !isset($columns['startdate']);
+    }
+
+    public function run(): MigrationResult
+    {
+        $this->connection->executeStatement(<<<SQL
+ALTER TABLE tl_search
+    ADD keywords varchar(255) NOT NULL DEFAULT '',
+    ADD priority int(1) NOT NULL DEFAULT 2,
+    ADD imagepath varchar(512) NOT NULL DEFAULT '',
+    ADD startDate bigint(20) NOT NULL DEFAULT 0
+SQL);
+
+        return new MigrationResult(
+            true,
+            'Extended tl_search with Meilisearch fields.'
+        );
+    }
+}

src/Resources/config/services.yaml

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+services:
+  MummertMedia\ContaoMeilisearchBundle\Migration\ExtendTlSearchMigration:
+    arguments:
+      - '@database_connection'
+    tags:
+      - { name: contao.migration }