refactor: rename session creation method and add session existence check

Author: CodeWithKyrian

src/Session/Session.php

@@ -40,9 +40,9 @@ public function __construct(
     }
 
     /**
-     * Create a session instance from handler or return null if session doesn't exist
+     * Retrieve an existing session instance from handler or return null if session doesn't exist
      */
-    public static function make(string $id, SessionHandlerInterface $handler): ?SessionInterface
+    public static function retrieve(string $id, SessionHandlerInterface $handler): ?SessionInterface
     {
         $sessionData = $handler->read($id);
 

src/Session/SessionManager.php

@@ -98,7 +98,12 @@ public function createSession(string $sessionId): SessionInterface
      */
     public function getSession(string $sessionId): ?SessionInterface
     {
-        return Session::make($sessionId, $this->handler);
+        return Session::retrieve($sessionId, $this->handler);
+    }
+
+    public function hasSession(string $sessionId): bool
+    {
+        return $this->getSession($sessionId) !== null;
     }
 
     /**