cmake_minimum_required(VERSION 3.10) project(DrogonApp CXX) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) find_package(Drogon REQUIRED) # Create directories if they don't exist file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/controllers) file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/public) file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/views) # Ensure views directory exists # Add source files aux_source_directory(controllers CONTROLLER_SOURCES) add_executable(${PROJECT_NAME} main.cpp ${CONTROLLER_SOURCES}) # Include directories target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/controllers ${CMAKE_CURRENT_SOURCE_DIR}/views # Add views include if needed by controllers ) # Link Drogon library target_link_libraries(${PROJECT_NAME} PRIVATE Drogon::drogon) # Add compile options if needed (e.g., for faster builds in debug mode) # target_compile_options(${PROJECT_NAME} PRIVATE -O0 -g) install(TARGETS ${PROJECT_NAME} DESTINATION bin) install(FILES config.json DESTINATION etc) # Install static files install(DIRECTORY public DESTINATION share/${PROJECT_NAME}) # Install view files (optional, depends on deployment strategy) # install(DIRECTORY views DESTINATION share/${PROJECT_NAME}) { "listeners": [ { "address": "0.0.0.0", "port": 8848, "https": false } ], "app": { "name": "DrogonCoffeeShop", "document_root": "./public", // Serves static files like CSS, JS, images from here "upload_path": "./uploads", "log_path": "./logs", "log_level": "DEBUG", "run_as_daemon": false, "threads_num": 0, // 0 means number of CPU cores "max_connections": 10000, "connection_timeout": 60, "client_max_body_size": "1M", "keepalive_requests": 100, "pipelining_requests": 100, "enable_session": false, "views_path": "./views" // Tell Drogon where to find view files (.csp) }, "db_clients": [ // Add database configurations here if needed ], "static_file_options": { "enable_last_modified": true, "enable_gzip": true, "cache_control": "max-age=86400" // Cache static files for 1 day } } #pragma once #include #include // Include for HttpViewData using namespace drogon; namespace example { class HomeController : public drogon::HttpController { public: METHOD_LIST_BEGIN // Serve the homepage at the root path METHOD_ADD(HomeController::index, "/", Get); METHOD_LIST_END // Handler function for the homepage void index(const HttpRequestPtr& req, std::function &&callback); }; } // namespace example #include "HomeController.h" #include #include #include namespace example { void HomeController::index(const HttpRequestPtr& req, std::function &&callback) { LOG_DEBUG << "Serving coffee shop homepage"; // Get current time to pass to the view auto now = std::chrono::system_clock::now(); auto now_c = std::chrono::system_clock::to_time_t(now); std::stringstream ss; ss << std::put_time(std::localtime(&now_c), "%Y-%m-%d %H:%M:%S"); HttpViewData data; data.insert("pageTitle", std::string("The Daily Grind")); data.insert("currentTime", ss.str()); data.insert("specialOffer", std::string("Espresso 10% off today!")); // Render the "CoffeeHomeView.csp" view with the data auto resp = HttpResponse::newHttpViewResponse("CoffeeHomeView", data); callback(resp); // --- Alternative: Serve static HTML file --- // If you prefer serving the static public/index.html directly: // auto resp = HttpResponse::newFileResponse("public/index.html"); // callback(resp); // Make sure config.json's document_root is set correctly. // You could even remove this controller entirely if only serving static index.html. } } // namespace example #pragma once #include using namespace drogon; namespace example { class TestController : public drogon::HttpController { public: METHOD_LIST_BEGIN // Use METHOD_ADD to specify the Http method and path, the handler function name doesn't matter METHOD_ADD(TestController::hello, "/hello?user={user-name}", Get); // Path is `/hello?user={user-name}` METHOD_ADD(TestController::test, "/test", Get, Post); // Path is `/test` and accepts GET and POST METHOD_LIST_END // Handler functions void hello(const HttpRequestPtr& req, std::function &&callback, const std::string &userName); void test(const HttpRequestPtr& req, std::function &&callback); }; } #include "TestController.h" #include #include // Include for Json::Value namespace example { void TestController::hello(const HttpRequestPtr& req, std::function &&callback, const std::string &userName) { LOG_DEBUG << "User " << userName << " requested /hello"; auto resp = HttpResponse::newHttpResponse(); resp->setStatusCode(k200OK); resp->setContentTypeCode(CT_TEXT_PLAIN); resp->setBody("Hello, " + userName + "!"); callback(resp); } void TestController::test(const HttpRequestPtr& req, std::function &&callback) { LOG_DEBUG << "Request received for /test"; Json::Value responseJson; responseJson["message"] = "This is a test response."; responseJson["method"] = std::string(req->methodString()); // Check if it's a POST request and try to parse JSON body if (req->method() == HttpMethod::Post) { auto jsonBody = req->getJsonObject(); if (jsonBody) { responseJson["received_data"] = *jsonBody; } else { responseJson["body_note"] = "POST request received, but body is not valid JSON or empty."; } } auto resp = HttpResponse::newHttpJsonResponse(responseJson); resp->setStatusCode(k200OK); callback(resp); } } // namespace example #include #include "controllers/TestController.h" // Make sure to include your controller headers #include "controllers/HomeController.h" // Include the HomeController int main() { // Load config file first, as it sets paths and other settings drogon::app().loadConfigFile("config.json"); // Optional: Set log level programmatically (overrides config file) // trantor::Logger::setLogLevel(trantor::Logger::LogLevel::kTrace); // Controllers are typically found automatically via macros. // Manual registration is usually not needed unless you have specific requirements. // drogon::app().registerController(); // drogon::app().registerController(); LOG_INFO << "Server starting..."; if (!drogon::app().getListeners().empty()) { LOG_INFO << "Listening on http://" << drogon::app().getListeners()[0].toIpPort(); } else { LOG_ERROR << "No listeners configured!"; return 1; } LOG_INFO << "Document root: " << drogon::app().getDocumentRoot(); LOG_INFO << "Views path: " << drogon::app().getViewsPath(); // Run HTTP framework, the method will block in the internal event loop drogon::app().run(); LOG_INFO << "Server stopped."; return 0; } The Daily Grind - Coffee Shop

Welcome to The Daily Grind!

Your cozy corner for the best coffee and pastries in town. Start your day right or take a relaxing break with us.

Today's Specials

Espresso: 10% off all day!

Muffin of the Day: Blueberry Crumble

Our Menu Highlights

Visit Us

123 Coffee Bean Lane, Javaville

Open Daily: 7 AM - 6 PM

This is a static HTML page served from the public directory.

Check out other test routes: /hello | /test

{%# pageTitle %} {# Using data passed from controller #}

Welcome to {%# pageTitle %}!

Your cozy corner for the best coffee and pastries in town. Start your day right or take a relaxing break with us.

Today's Specials

Special Offer: {%# specialOffer %}

{# Using data passed from controller #}

Muffin of the Day: Blueberry Crumble

Our Menu Highlights

Visit Us

123 Coffee Bean Lane, Javaville

Open Daily: 7 AM - 6 PM

This page was rendered using the CoffeeHomeView.csp view template.

Server time: {%# currentTime %}

{# Using data passed from controller #}

Check out other test routes: /hello | /test

Drogon App - Old Index View {# Kept old view file, but it's not used by HomeController anymore #}

Welcome to the Drogon Application!

This is the OLD homepage served by Drogon using the IndexView.csp view.

Current Time (if provided): {%# time %}

Try visiting some other routes:

Served via IndexView.csp (Likely unused now)