diff --git a/cpp17/CMakePresets.json b/cpp17/CMakePresets.json
index 910ec96..d1fe37f 100644
--- a/cpp17/CMakePresets.json
+++ b/cpp17/CMakePresets.json
@@ -5,8 +5,16 @@
       "name": "default",
       "toolchainFile": "${env:VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake",
       "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Debug",
         "CMAKE_EXPORT_COMPILE_COMMANDS": "TRUE"
       }
     }
+  ],
+  "buildPresets": [
+    {
+      "name": "default",
+      "configurePreset": "default",
+      "jobs": 8
+    }
   ]
-}
+}
\ No newline at end of file
diff --git a/cpp17/lib/CMakeLists.txt b/cpp17/lib/CMakeLists.txt
index 1fdc5b0..114519a 100644
--- a/cpp17/lib/CMakeLists.txt
+++ b/cpp17/lib/CMakeLists.txt
@@ -10,8 +10,10 @@ add_library(${TARGET_NAME} STATIC
     src/AutoStore.cpp
     src/infrastructure/repositories/FileUserRepository.cpp
     src/infrastructure/repositories/FileItemRepository.cpp
-    src/infrastructure/adapters/HttpOrderService.cpp
     src/infrastructure/http/HttpServer.cpp
+    src/infrastructure/http/HttpOrderService.cpp
+    src/infrastructure/helpers/Jsend.cpp
+    src/infrastructure/helpers/JsonItem.cpp
     src/webapi/controllers/StoreController.cpp
     src/application/commands/AddItem.cpp
 )
diff --git a/cpp17/lib/include/autostore/AutoStore.h b/cpp17/lib/include/autostore/AutoStore.h
index d552c14..45f9eb9 100644
--- a/cpp17/lib/include/autostore/AutoStore.h
+++ b/cpp17/lib/include/autostore/AutoStore.h
@@ -22,19 +22,19 @@ namespace webapi {
 class StoreController;
 }
 
+namespace application {
+class AddItem;
+}
+
 class AutoStore
 {
 public:
-  explicit AutoStore(std::string_view dataPath);
+  AutoStore(std::string_view dataPath, int port = 8080,
+            std::string_view host = "0.0.0.0");
   ~AutoStore();
 
-  // Initialize the application
   bool initialize();
-
-  // Start the application services
   bool start();
-
-  // Stop the application services
   void stop();
 
 private:
@@ -45,12 +45,17 @@ private:
   std::unique_ptr<application::IItemRepository> itemRepository;
   std::unique_ptr<application::IClock> clock;
   std::unique_ptr<application::IOrderService> orderService;
+  std::unique_ptr<application::AddItem> addItemUseCase;
   std::unique_ptr<webapi::StoreController> storeController;
 
   // HTTP server
   std::unique_ptr<infrastructure::HttpServer> httpServer;
   std::thread serverThread;
   bool serverRunning;
+
+  // Configuration
+  int port;
+  std::string host;
 };
 
 } // namespace nxl::autostore
\ No newline at end of file
diff --git a/cpp17/lib/src/AutoStore.cpp b/cpp17/lib/src/AutoStore.cpp
index c8242d8..c039484 100644
--- a/cpp17/lib/src/AutoStore.cpp
+++ b/cpp17/lib/src/AutoStore.cpp
@@ -1,7 +1,7 @@
 #include "autostore/AutoStore.h"
 #include "infrastructure/repositories/FileItemRepository.h"
 #include "infrastructure/adapters/SystemClock.h"
-#include "infrastructure/adapters/HttpOrderService.h"
+#include "infrastructure/http/HttpOrderService.h"
 #include "webapi/controllers/StoreController.h"
 #include "infrastructure/http/HttpServer.h"
 #include <iostream>
@@ -10,8 +10,9 @@
 
 namespace nxl::autostore {
 
-AutoStore::AutoStore(std::string_view dataPath)
-  : dataPath(dataPath), initialized(false), serverRunning(false)
+AutoStore::AutoStore(std::string_view dataPath, int port, std::string_view host)
+  : dataPath(dataPath), port(port), host(host), initialized(false),
+    serverRunning(false)
 {}
 
 AutoStore::~AutoStore()
@@ -24,7 +25,7 @@ AutoStore::~AutoStore()
 bool AutoStore::initialize()
 {
   std::cout << "Initializing AutoStore with data path: " << dataPath
-            << std::endl;
+            << ", host: " << host << ", port: " << port << std::endl;
 
   try {
     // Create data directory if it doesn't exist
@@ -39,12 +40,16 @@ bool AutoStore::initialize()
     orderService = std::make_unique<infrastructure::HttpOrderService>();
 
     // Initialize HTTP server
-    httpServer = std::make_unique<infrastructure::HttpServer>(8080, "0.0.0.0");
+    httpServer = std::make_unique<infrastructure::HttpServer>(port, host);
 
-    // Initialize store controller
-    storeController = std::make_unique<webapi::StoreController>(
+    // Initialize use case
+    addItemUseCase = std::make_unique<application::AddItem>(
       *itemRepository, *clock, *orderService);
 
+    // Initialize store controller
+    storeController =
+      std::make_unique<webapi::StoreController>(*addItemUseCase);
+
     initialized = true;
     std::cout << "AutoStore initialized successfully" << std::endl;
     return true;
@@ -76,9 +81,10 @@ bool AutoStore::start()
 
     serverRunning = true;
     std::cout << "AutoStore services started successfully" << std::endl;
-    std::cout << "HTTP server listening on http://0.0.0.0:8080" << std::endl;
-    std::cout << "API endpoint: POST http://0.0.0.0:8080/api/items"
+    std::cout << "HTTP server listening on http://" << host << ":" << port
               << std::endl;
+    std::cout << "API endpoint: POST http://" << host << ":" << port
+              << "/api/items" << std::endl;
 
     return true;
   } catch (const std::exception& e) {
diff --git a/cpp17/lib/src/application/commands/AddItem.cpp b/cpp17/lib/src/application/commands/AddItem.cpp
index dfbac25..f7a4def 100644
--- a/cpp17/lib/src/application/commands/AddItem.cpp
+++ b/cpp17/lib/src/application/commands/AddItem.cpp
@@ -8,7 +8,7 @@ AddItem::AddItem(IItemRepository& itemRepository, IClock& clock,
   : itemRepository(itemRepository), clock(clock), orderService(orderService)
 {}
 
-void AddItem::execute(domain::Item&& item, const IntPresenter& presenter)
+void AddItem::execute(domain::Item&& item, const ItemPresenter& presenter)
 {
   try {
     const auto currentTime = clock.getCurrentTime();
@@ -17,10 +17,10 @@ void AddItem::execute(domain::Item&& item, const IntPresenter& presenter)
       orderService.orderItem(item);
     }
 
-    itemRepository.save(item);
-    presenter(1); // Success
+    item.id = itemRepository.save(item);
+    presenter(item); // Success
   } catch (const std::exception& e) {
-    presenter(0); // Failure
+    presenter(item); // Failure
   }
 }
 
diff --git a/cpp17/lib/src/application/commands/AddItem.h b/cpp17/lib/src/application/commands/AddItem.h
index 6ccad2b..384ea5a 100644
--- a/cpp17/lib/src/application/commands/AddItem.h
+++ b/cpp17/lib/src/application/commands/AddItem.h
@@ -5,11 +5,9 @@
 #include "application/interfaces/IItemRepository.h"
 #include "application/interfaces/IClock.h"
 #include "application/interfaces/IOrderService.h"
-#include "application/presenters/GenericPresenters.h"
+#include "application/presenters/StorePresenters.h"
 
-namespace nxl {
-namespace autostore {
-namespace application {
+namespace nxl::autostore::application {
 
 class AddItem
 {
@@ -18,7 +16,7 @@ public:
 
   AddItem(IItemRepository& itemRepository, IClock& clock,
           IOrderService& orderService);
-  void execute(domain::Item&& item, const IntPresenter& presenter);
+  void execute(domain::Item&& item, const ItemPresenter& presenter);
 
 private:
   IItemRepository& itemRepository;
@@ -27,6 +25,4 @@ private:
   domain::ItemExpirationPolicy expirationPolicy;
 };
 
-} // namespace application
-} // namespace autostore
-} // namespace nxl
\ No newline at end of file
+} // namespace nxl::autostore::application
\ No newline at end of file
diff --git a/cpp17/lib/src/application/interfaces/IItemRepository.h b/cpp17/lib/src/application/interfaces/IItemRepository.h
index d117eb7..cbb312b 100644
--- a/cpp17/lib/src/application/interfaces/IItemRepository.h
+++ b/cpp17/lib/src/application/interfaces/IItemRepository.h
@@ -12,7 +12,7 @@ class IItemRepository
 {
 public:
   virtual ~IItemRepository() = default;
-  virtual void save(const domain::Item& item) = 0;
+  virtual domain::Item::Id_t save(const domain::Item& item) = 0;
   virtual std::optional<domain::Item> findById(std::string_view id) = 0;
   virtual std::vector<domain::Item> findByUser(std::string_view userId) = 0;
   virtual std::vector<domain::Item> findAll() = 0;
diff --git a/cpp17/lib/src/domain/entities/Item.h b/cpp17/lib/src/domain/entities/Item.h
index 021eafe..b992962 100644
--- a/cpp17/lib/src/domain/entities/Item.h
+++ b/cpp17/lib/src/domain/entities/Item.h
@@ -9,6 +9,7 @@ namespace nxl::autostore::domain {
 struct Item
 {
   using Id_t = std::string;
+  inline const static Id_t NULL_ID{""};
   Id_t id;
   std::string name;
   std::chrono::system_clock::time_point expirationDate;
diff --git a/cpp17/lib/src/infrastructure/adapters/HttpOrderService.cpp b/cpp17/lib/src/infrastructure/adapters/HttpOrderService.cpp
deleted file mode 100644
index 6f27dd9..0000000
--- a/cpp17/lib/src/infrastructure/adapters/HttpOrderService.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "HttpOrderService.h"
-#include <stdexcept>
-#include <iostream>
-
-namespace nxl::autostore::infrastructure {
-
-HttpOrderService::HttpOrderService(const std::string& baseUrl)
-  : baseUrl(baseUrl)
-{}
-
-void HttpOrderService::orderItem(const domain::Item& item)
-{
-  if (item.orderUrl.empty()) {
-    throw std::runtime_error("Order URL is empty for item: " + item.name);
-  }
-
-  std::string payload =
-    R"({"itemName": ")" + item.name + R"(", "itemId": ")" + item.id + "\"}";
-  sendPostRequest(item.orderUrl, payload);
-}
-
-void HttpOrderService::sendPostRequest(const std::string& url,
-                                       const std::string& payload)
-{
-  // In a real implementation, this would use an HTTP client library
-  // For now, we'll simulate the HTTP call
-  std::cout << "POST request to: " << url << std::endl;
-  std::cout << "Payload: " << payload << std::endl;
-
-  // Simulate HTTP error handling
-  if (url.find("error") != std::string::npos) {
-    throw std::runtime_error("Failed to send order request to: " + url);
-  }
-}
-
-} // namespace nxl::autostore::infrastructure
\ No newline at end of file
diff --git a/cpp17/lib/src/infrastructure/adapters/HttpOrderService.h b/cpp17/lib/src/infrastructure/adapters/HttpOrderService.h
deleted file mode 100644
index ab7b194..0000000
--- a/cpp17/lib/src/infrastructure/adapters/HttpOrderService.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#pragma once
-
-#include "application/interfaces/IOrderService.h"
-#include "domain/entities/Item.h"
-#include <string>
-
-namespace nxl::autostore::infrastructure {
-
-class HttpOrderService : public application::IOrderService
-{
-public:
-  explicit HttpOrderService(const std::string& baseUrl = "");
-  void orderItem(const domain::Item& item) override;
-
-private:
-  std::string baseUrl;
-  void sendPostRequest(const std::string& url, const std::string& payload);
-};
-
-} // namespace nxl::autostore::infrastructure
\ No newline at end of file
diff --git a/cpp17/lib/src/infrastructure/http/HttpServer.h b/cpp17/lib/src/infrastructure/http/HttpServer.h
index cef5a2d..8a1e319 100644
--- a/cpp17/lib/src/infrastructure/http/HttpServer.h
+++ b/cpp17/lib/src/infrastructure/http/HttpServer.h
@@ -20,9 +20,9 @@ public:
   httplib::Server& getServer();
 
 private:
-  std::string host;
-  int port;
-  bool running;
+  std::string host{"0.0.0.0"};
+  int port{8080};
+  bool running{false};
   httplib::Server server;
   std::thread serverThread;
 };
diff --git a/cpp17/lib/src/infrastructure/repositories/FileItemRepository.cpp b/cpp17/lib/src/infrastructure/repositories/FileItemRepository.cpp
index 351c3f3..b52891f 100644
--- a/cpp17/lib/src/infrastructure/repositories/FileItemRepository.cpp
+++ b/cpp17/lib/src/infrastructure/repositories/FileItemRepository.cpp
@@ -1,5 +1,5 @@
 #include "infrastructure/repositories/FileItemRepository.h"
-#include "nlohmann/json.hpp"
+#include "infrastructure/helpers/JsonItem.h"
 #include <fstream>
 #include <algorithm>
 #include <chrono>
@@ -10,37 +10,12 @@ namespace nxl::autostore::infrastructure {
 
 namespace {
 
-// Helper functions for JSON serialization
-inline void itemToJson(nlohmann::json& j, const domain::Item& item)
-{
-  j =
-    nlohmann::json{{"id", item.id},
-                   {"name", item.name},
-                   {"expirationDate",
-                    std::chrono::system_clock::to_time_t(item.expirationDate)},
-                   {"orderUrl", item.orderUrl},
-                   {"userId", item.userId}};
-}
-
-inline void jsonToItem(const nlohmann::json& j, domain::Item& item)
-{
-  j.at("id").get_to(item.id);
-  j.at("name").get_to(item.name);
-  std::time_t expirationTime;
-  j.at("expirationDate").get_to(expirationTime);
-  item.expirationDate = std::chrono::system_clock::from_time_t(expirationTime);
-  j.at("orderUrl").get_to(item.orderUrl);
-  j.at("userId").get_to(item.userId);
-}
-
 // Helper functions for vector serialization
 inline nlohmann::json itemsToJson(const std::vector<domain::Item>& items)
 {
   nlohmann::json j = nlohmann::json::array();
   for (const auto& item : items) {
-    nlohmann::json itemJson;
-    itemToJson(itemJson, item);
-    j.push_back(itemJson);
+    j.push_back(infrastructure::JsonItem::toJsonObj(item));
   }
   return j;
 }
@@ -49,9 +24,7 @@ inline std::vector<domain::Item> jsonToItems(const nlohmann::json& j)
 {
   std::vector<domain::Item> items;
   for (const auto& itemJson : j) {
-    domain::Item item;
-    jsonToItem(itemJson, item);
-    items.push_back(item);
+    items.push_back(infrastructure::JsonItem::fromJsonObj(itemJson));
   }
   return items;
 }
@@ -63,9 +36,10 @@ FileItemRepository::FileItemRepository(std::string_view dbPath) : dbPath(dbPath)
   load();
 }
 
-void FileItemRepository::save(const domain::Item& item)
+domain::Item::Id_t FileItemRepository::save(const domain::Item& item)
 {
   std::lock_guard<std::mutex> lock(mtx);
+  domain::Item::Id_t id = item.id;
   auto it =
     std::find_if(items.begin(), items.end(),
                  [&](const domain::Item& i) { return i.id == item.id; });
@@ -73,9 +47,16 @@ void FileItemRepository::save(const domain::Item& item)
   if (it != items.end()) {
     *it = item;
   } else {
-    items.push_back(item);
+    domain::Item newItem{item};
+    newItem.id = "item-"
+                 + std::to_string(
+                   std::chrono::system_clock::now().time_since_epoch().count());
+    items.push_back(newItem);
+    id = newItem.id;
   }
   persist();
+
+  return id;
 }
 
 std::optional<domain::Item> FileItemRepository::findById(std::string_view id)
diff --git a/cpp17/lib/src/infrastructure/repositories/FileItemRepository.h b/cpp17/lib/src/infrastructure/repositories/FileItemRepository.h
index c091856..9f27aaa 100644
--- a/cpp17/lib/src/infrastructure/repositories/FileItemRepository.h
+++ b/cpp17/lib/src/infrastructure/repositories/FileItemRepository.h
@@ -11,7 +11,7 @@ class FileItemRepository : public application::IItemRepository
 {
 public:
   explicit FileItemRepository(std::string_view dbPath);
-  void save(const domain::Item& item) override;
+  domain::Item::Id_t save(const domain::Item& item) override;
   std::optional<domain::Item> findById(std::string_view id) override;
   std::vector<domain::Item> findByUser(std::string_view userId) override;
   std::vector<domain::Item> findAll() override;
diff --git a/cpp17/lib/src/webapi/controllers/StoreController.cpp b/cpp17/lib/src/webapi/controllers/StoreController.cpp
index 817a39c..c509b38 100644
--- a/cpp17/lib/src/webapi/controllers/StoreController.cpp
+++ b/cpp17/lib/src/webapi/controllers/StoreController.cpp
@@ -1,15 +1,14 @@
 #include "webapi/controllers/StoreController.h"
-#include <chrono>
-#include <ctime>
-#include <iomanip>
-#include <sstream>
+#include "infrastructure/helpers/JsonItem.h"
+#include "infrastructure/helpers/Jsend.h"
 
 namespace nxl::autostore::webapi {
 
-StoreController::StoreController(application::IItemRepository& itemRepository,
-                                 application::IClock& clock,
-                                 application::IOrderService& orderService)
-  : addItemUseCase(itemRepository, clock, orderService)
+using infrastructure::Jsend;
+using infrastructure::JsonItem;
+
+StoreController::StoreController(application::AddItem& addItemUseCase)
+  : addItemUseCase(addItemUseCase)
 {}
 
 void StoreController::registerRoutes(httplib::Server& server)
@@ -26,96 +25,32 @@ void StoreController::addItem(const httplib::Request& req,
   try {
     if (req.body.empty()) {
       res.status = 400;
-      res.set_content(createErrorResponse("Request body is empty"),
+      res.set_content(Jsend::error("Request body is empty", 400),
                       "application/json");
       return;
     }
 
-    auto item = parseItemFromJson(req.body);
+    auto item = JsonItem::fromJson(req.body);
 
-    // Execute the use case with a simple presenter
-    bool success = false;
-    addItemUseCase.execute(std::move(item),
-                           [&success](int result) { success = (result == 1); });
+    try {
+      addItemUseCase.execute(std::move(item), [&res](auto item) {
+        res.status = 201;
+        nlohmann::json responseData = nlohmann::json::object();
+        responseData["id"] = item.id;
+        res.set_content(Jsend::success(responseData), "application/json");
+      });
 
-    if (success) {
-      res.status = 201;
-      res.set_content(createSuccessResponse(item), "application/json");
-    } else {
+    } catch (const std::exception& e) {
       res.status = 500;
-      res.set_content(createErrorResponse("Failed to add item"),
-                      "application/json");
+      res.set_content(
+        Jsend::error("Failed to add item: " + std::string(e.what()),
+                     res.status),
+        "application/json");
     }
   } catch (const std::exception& e) {
     res.status = 400;
-    res.set_content(createErrorResponse(e.what()), "application/json");
-  }
-}
-
-domain::Item StoreController::parseItemFromJson(const std::string& jsonBody)
-{
-  auto json = nlohmann::json::parse(jsonBody);
-
-  domain::Item item;
-  item.id = json.value("id", "");
-  item.name = json.value("name", "");
-  item.orderUrl = json.value("orderUrl", "");
-  item.userId = json.value("userId", "default-user");
-
-  // Parse expiration date
-  if (json.contains("expirationDate")) {
-    std::string dateStr = json["expirationDate"];
-    std::tm tm = {};
-    std::istringstream ss(dateStr);
-    ss >> std::get_time(&tm, "%Y-%m-%dT%H:%M:%S");
-    if (ss.fail()) {
-      throw std::runtime_error("Invalid expiration date format. Use ISO 8601 "
-                               "format: YYYY-MM-DDTHH:MM:SS");
-    }
-    item.expirationDate =
-      std::chrono::system_clock::from_time_t(std::mktime(&tm));
-  } else {
-    // Default to 24 hours from now
-    item.expirationDate =
-      std::chrono::system_clock::now() + std::chrono::hours(24);
-  }
-
-  if (item.id.empty()) {
-    // Generate a simple ID if not provided
-    item.id = "item-"
-              + std::to_string(
-                std::chrono::system_clock::now().time_since_epoch().count());
+    res.set_content(Jsend::error(e.what(), res.status), "application/json");
   }
-
-  if (item.name.empty()) {
-    throw std::runtime_error("Item name is required");
-  }
-
-  return item;
-}
-
-std::string StoreController::createSuccessResponse(const domain::Item& item)
-{
-  nlohmann::json response;
-  response["success"] = true;
-  response["message"] = "Item added successfully";
-  response["item"]["id"] = item.id;
-  response["item"]["name"] = item.name;
-  response["item"]["expirationDate"] =
-    std::chrono::system_clock::to_time_t(item.expirationDate);
-  response["item"]["orderUrl"] = item.orderUrl;
-  response["item"]["userId"] = item.userId;
-
-  return response.dump();
-}
-
-std::string StoreController::createErrorResponse(const std::string& message)
-{
-  nlohmann::json response;
-  response["success"] = false;
-  response["message"] = message;
-
-  return response.dump();
 }
 
 } // namespace nxl::autostore::webapi
\ No newline at end of file
diff --git a/cpp17/lib/src/webapi/controllers/StoreController.h b/cpp17/lib/src/webapi/controllers/StoreController.h
index ad3ccc1..46baf42 100644
--- a/cpp17/lib/src/webapi/controllers/StoreController.h
+++ b/cpp17/lib/src/webapi/controllers/StoreController.h
@@ -1,9 +1,6 @@
 #pragma once
 
 #include "application/commands/AddItem.h"
-#include "application/interfaces/IItemRepository.h"
-#include "application/interfaces/IClock.h"
-#include "application/interfaces/IOrderService.h"
 #include "domain/entities/Item.h"
 #include <httplib.h>
 #include <nlohmann/json.hpp>
@@ -13,19 +10,13 @@ namespace nxl::autostore::webapi {
 class StoreController
 {
 public:
-  StoreController(application::IItemRepository& itemRepository,
-                  application::IClock& clock,
-                  application::IOrderService& orderService);
+  StoreController(application::AddItem& addItemUseCase);
 
   void registerRoutes(httplib::Server& server);
 
 private:
   void addItem(const httplib::Request& req, httplib::Response& res);
 
-  domain::Item parseItemFromJson(const std::string& jsonBody);
-  std::string createSuccessResponse(const domain::Item& item);
-  std::string createErrorResponse(const std::string& message);
-
   application::AddItem addItemUseCase;
 };