Add new classes and methods for session management

src/Socialbox/Classes/CacheLayer/RedisCacheLayer.php

@@ -0,0 +1,118 @@
+<?php
+
+namespace Socialbox\Classes\CacheLayer;
+
+use Redis;
+use RedisException;
+use RuntimeException;
+use Socialbox\Abstracts\CacheLayer;
+
+class RedisCacheLayer extends CacheLayer
+{
+    private Redis $redis;
+
+    /**
+     * Redis cache layer constructor.
+     *
+     * @param string $host The Redis server host.
+     * @param int $port The Redis server port.
+     * @param string|null $password Optional. The Redis server password.
+     */
+    public function __construct(string $host, int $port, ?string $password=null)
+    {
+        if (!extension_loaded('redis'))
+        {
+            throw new RuntimeException('The Redis extension is not loaded in your PHP environment.');
+        }
+
+        $this->redis = new Redis();
+
+        try
+        {
+            $this->redis->connect($host, $port);
+            if ($password !== null)
+            {
+                $this->redis->auth($password);
+            }
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to connect to the Redis server.', 0, $e);
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function set(string $key, mixed $value, int $ttl = 0): bool
+    {
+        try
+        {
+            return $this->redis->set($key, $value, $ttl);
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to set the value in the Redis cache.', 0, $e);
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function get(string $key): mixed
+    {
+        try
+        {
+            return $this->redis->get($key);
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to get the value from the Redis cache.', 0, $e);
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function delete(string $key): bool
+    {
+        try
+        {
+            return $this->redis->del($key) > 0;
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to delete the value from the Redis cache.', 0, $e);
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function exists(string $key): bool
+    {
+        try
+        {
+            return $this->redis->exists($key);
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to check if the key exists in the Redis cache.', 0, $e);
+        }
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function clear(): bool
+    {
+        try
+        {
+            return $this->redis->flushAll();
+        }
+        catch (RedisException $e)
+        {
+            throw new RuntimeException('Failed to clear the Redis cache.', 0, $e);
+        }
+    }
+}