'lib' rewritten.

lib/Platform/PlatformFactory.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * Nextcloud - user_sql
+ *
+ * @copyright 2018 Marcin Łojewski <dev@mlojewski.me>
+ * @author    Marcin Łojewski <dev@mlojewski.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\UserSQL\Platform;
+
+use OC\DB\Connection;
+
+/**
+ * Factory for the database platform class instance.
+ *
+ * @author Marcin Łojewski <dev@mlojewski.me>
+ */
+class PlatformFactory
+{
+    /**
+     * Get the database platform.
+     *
+     * @param Connection $connection The database connection.
+     *
+     * @return AbstractPlatform The database platform.
+     */
+    public static function getPlatform(Connection $connection)
+    {
+        switch ($connection->getDriver()->getName()) {
+        case "pdo_mysql":
+            return new MySQLPlatform($connection);
+        case "pdo_pgsql":
+            return new PostgreSQLPlatform($connection);
+        default:
+            throw new \InvalidArgumentException(
+                "Unknown database driver: " . $connection->getDriver()->getName(
+                )
+            );
+        }
+    }
+}