Fix websocket and use DynamicController instead

backend/src/controllers/DynamicController.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include <drogon/HttpController.h>
+
+class DynamicController : public drogon::HttpController<DynamicController>
+{
+public:
+	METHOD_LIST_BEGIN
+		ADD_METHOD_TO(DynamicController::load, "/room/{1}", drogon::Get);
+	METHOD_LIST_END
+		void load(const drogon::HttpRequestPtr& req,
+			std::function<void(const drogon::HttpResponsePtr&)>&& callback,
+			std::string&& room_name);
+};
+
+void DynamicController::load(const drogon::HttpRequestPtr& req,
+	std::function<void(const drogon::HttpResponsePtr&)>&& callback,
+	std::string&& arg1)
+{
+	// The 'room' page is dynamically generated locally, so we don't have a specific file to serve.
+	callback(drogon::HttpResponse::newFileResponse(drogon::app().getDocumentRoot() + "/dynamic.html"));
+}

backend/src/main.cpp

@@ -4,7 +4,7 @@
 #include <drogon/HttpAppFramework.h>
 
 // Controllers must be included before main
-#include "controllers/Room.hpp"
+#include "controllers/DynamicController.hpp"
 #include "controllers/WebSocketChat.hpp"
 
 int main()

raspberry_pi/src/main.cpp

@@ -30,9 +30,9 @@ std::string get_websocket_url()
 	std::optional<int> maybe_port = GET_CONFIG_VALUE(port);
 	if (maybe_port.has_value())
 	{
-		return "ws://" + GET_CONFIG_VALUE(host) + ":" + std::to_string(maybe_port.value()) + "/room?room_name=" + GET_CONFIG_VALUE(code);
+		return "ws://" + GET_CONFIG_VALUE(host) + ":" + std::to_string(maybe_port.value()) + "/ws/room?room_name=" + GET_CONFIG_VALUE(code);
 	}
-	return "ws://" + GET_CONFIG_VALUE(host) + "/room/" + GET_CONFIG_VALUE(code);
+	return "ws://" + GET_CONFIG_VALUE(host) + "/ws/room?room_name=" + GET_CONFIG_VALUE(code);
 }
 
 // Car is a global variable so that car.terminate() can be called on exit