major update

lib/Repository/Support/DatabaseSessionRepository.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace MintyPHP\Repository\Support;
+
+use MintyPHP\DB;
+
+class DatabaseSessionRepository
+{
+    public function acquireAdvisoryLock(string $lockName, int $timeoutSeconds = 0): bool
+    {
+        $lockName = trim($lockName);
+        if ($lockName === '') {
+            return false;
+        }
+
+        $timeoutSeconds = max(0, (int) $timeoutSeconds);
+        $got = DB::selectValue(
+            'select GET_LOCK(?, ?) as got_lock',
+            $lockName,
+            (string) $timeoutSeconds
+        );
+
+        return (int) $got === 1;
+    }
+
+    public function releaseAdvisoryLock(string $lockName): void
+    {
+        $lockName = trim($lockName);
+        if ($lockName === '') {
+            return;
+        }
+
+        DB::selectValue('select RELEASE_LOCK(?) as released_lock', $lockName);
+    }
+
+    public function beginTransaction(): void
+    {
+        DB::handle()->begin_transaction();
+    }
+
+    public function commitTransaction(): void
+    {
+        DB::handle()->commit();
+    }
+
+    public function rollbackTransaction(): void
+    {
+        DB::handle()->rollback();
+    }
+}