Enhance session handling and introduce session flags

src/Socialbox/Classes/StandardMethods/GetSession.php

@@ -0,0 +1,40 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods;
+
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Exceptions\DatabaseOperationException;
+    use Socialbox\Exceptions\StandardException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Managers\RegisteredPeerManager;
+    use Socialbox\Managers\SessionManager;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\RpcRequest;
+
+    class GetSession extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            if($request->getSessionUuid() === null)
+            {
+                return $rpcRequest->produceError(StandardError::SESSION_REQUIRED);
+            }
+
+            try
+            {
+                // Get the session
+                $session = SessionManager::getSession($request->getSessionUuid());
+            }
+            catch(DatabaseOperationException $e)
+            {
+                throw new StandardException("There was an unexpected error while trying to  retrieve the session", StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+
+
+        }
+    }

src/Socialbox/Classes/Utilities.php

@@ -192,4 +192,26 @@ class Utilities
     {
         return preg_replace('/[^a-zA-Z0-9-_]/', '', $name);
     }
+
+    /**
+     * Converts an array into a serialized string by joining the elements with a comma.
+     *
+     * @param array $list An array of elements that need to be converted to a comma-separated string.
+     * @return string A string representation of the array elements, joined by commas.
+     */
+    public static function serializeList(array $list): string
+    {
+        return implode(',', $list);
+    }
+
+    /**
+     * Converts a serialized string into an array by splitting the string at each comma.
+     *
+     * @param string $list A comma-separated string that needs to be converted to an array.
+     * @return array An array of string values obtained by splitting the input string.
+     */
+    public static function unserializeList(string $list): array
+    {
+        return explode(',', $list);
+    }
 }