Initial xentral_oss_20.3.c9ffacf

classes/Components/SchemaCreator/DatabaseVersionStringParser.php

@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Xentral\Components\SchemaCreator;
+
+use InvalidArgumentException;
+
+final class DatabaseVersionStringParser
+{
+
+    /** @var string */
+    private const MYSQL_DB_TYPE = 'mysql';
+
+    /** @var string */
+    private const MARIA_DB_TYPE = 'mariadb';
+
+    /** @var string $db */
+    private $stringVersion;
+
+    /**
+     * @param string $stringVersion
+     */
+    public function __construct(string $stringVersion)
+    {
+        if (empty($stringVersion)) {
+            throw new InvalidArgumentException('String version cannot be Empty');
+        }
+        $this->stringVersion = strtolower($stringVersion);
+    }
+
+    /**
+     * @param string $driver
+     *
+     * @throw InvalidArgumentException
+     *
+     * @return bool
+     */
+    public function isDriver(string $driver): bool
+    {
+        if ($driver !== self::MARIA_DB_TYPE && strripos($this->stringVersion, 'maria') !== false) {
+            return false;
+        }
+
+        if ($driver === self::MARIA_DB_TYPE) {
+            return strripos($this->stringVersion, 'maria') !== false;
+        }
+
+        if ($driver !== self::MYSQL_DB_TYPE) {
+            throw new InvalidArgumentException(sprintf('%s is currently not supported', $driver));
+        }
+
+        return true;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDriverVersion(): string
+    {
+        $version = $this->isDriver(self::MARIA_DB_TYPE) ? substr($this->stringVersion, 0, 4) : substr(
+            $this->stringVersion,
+            0,
+            3
+        );
+
+        if (empty($version) || !is_numeric($version[0])) {
+            throw new InvalidArgumentException('Unknown Database Driver Version');
+        }
+
+        return $version;
+    }
+
+}