add subscriptions table creation migration

lib/Migration/Version001Date20240515221000.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\DavPush\Migration;
+
+use Closure;
+use OCP\DB\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+
+class Version001Date20240515221000 extends SimpleMigrationStep {
+	public const SUBSCRIPTIONS_TABLE = "dav_push_subscriptions";
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable(self::SUBSCRIPTIONS_TABLE)) {
+			$table = $schema->createTable(self::SUBSCRIPTIONS_TABLE);
+
+			$table->addColumn('id', Types::INTEGER, [
+				'autoincrement' => true,
+				'notnull' => true,
+			]);
+			$table->addColumn('user_id', Types::STRING, [
+				'notnull' => true,
+				'length' => 200,
+			]);
+			$table->addColumn('collection_name', Types::STRING, [
+				'notnull' => true,
+				'length' => 100,
+			]);
+			$table->addColumn('data', Types::TEXT, [
+				'notnull' => true,
+			]);
+			$table->addColumn('creation_timestamp', Types::BIGINT, [
+				'notnull' => true,
+			]);
+			$table->addColumn('expiration_timestamp', Types::BIGINT, [
+				'notnull' => true,
+			]);
+
+			$table->setPrimaryKey(['id']);
+		}
+
+		return $schema;
+	}
+}