From 865b0c1b8ebc3050d6ce6091c8c719ed15c95157 Mon Sep 17 00:00:00 2001
From: netkas <netkas.nosial@gmail.com>
Date: Thu, 29 May 2025 15:57:51 -0400
Subject: [PATCH] Add RedisConnection class for managing Redis connections

---
 .../Classes/RedisConnection.php               | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/FederationServer/Classes/RedisConnection.php

diff --git a/src/FederationServer/Classes/RedisConnection.php b/src/FederationServer/Classes/RedisConnection.php
new file mode 100644
index 0000000..a714add
--- /dev/null
+++ b/src/FederationServer/Classes/RedisConnection.php
@@ -0,0 +1,43 @@
+<?php
+
+    namespace FederationServer\Classes;
+
+    use Redis;
+    use FederationServer\Classes\Configuration;
+    use FederationServer\Classes\Configuration\RedisConfiguration;
+
+    class RedisConnection
+    {
+        private static ?Redis $redis = null;
+
+        /**
+         * Get the Redis connection instance. If it does not exist, create it using the configuration.
+         *
+         * @return Redis|null Returns Redis instance if enabled, otherwise null.
+         * @throws \RedisException
+         */
+        public static function getConnection(): ?Redis
+        {
+            if (self::$redis === null)
+            {
+                $redisConfig = Configuration::getRedisConfiguration();
+
+                if (!$redisConfig->isEnabled())
+                {
+                    return null;
+                }
+
+                $redis = new Redis();
+                $redis->connect($redisConfig->getHost(), $redisConfig->getPort());
+                if ($redisConfig->getPassword() !== null)
+                {
+                    $redis->auth($redisConfig->getPassword());
+                }
+                $redis->select($redisConfig->getDatabase());
+
+                self::$redis = $redis;
+            }
+
+            return self::$redis;
+        }
+    }