Added better is logging function

src/login/login.cpp

@@ -1,8 +1,8 @@
 #include "login.hpp"    
 #include "crow/http_response.h"
 #include "databasepool.h"
-#include "utils.hpp"
 #include "SessionHandler.hpp"
+#include <optional>
 
 namespace login
 {
@@ -18,12 +18,22 @@ std::string getSessionId(const crow::request& req) {
     return cookie_header.substr(pos + prefix.size(), Session::SESSION_ID_SIZE);
 }
 
-bool isLoggedIn(const crow::request& req) {
+static crow::response redirectToLogin(){
+    crow::response res(302); // 302 = temporary redirect
+    res.set_header("Location", "/");
+    return res;
+}
+
+std::optional<crow::response> isLoggedIn(const crow::request& req) {
     std::string sessionId = getSessionId(req);
     if (sessionId.empty()) 
-        return false;
+        return std::move(redirectToLogin());
+    
     auto userId = sessionHandler.isSessionValid(sessionId);
-    return userId.has_value();
+    if(!userId.has_value())
+        return std::move(redirectToLogin());
+
+    return {};
 }
 
 std::optional<std::string> loginUser(const std::string& username, const std::string& password)