fix: pull issue

engine/commands/engine_install_cmd.cc

@@ -9,7 +9,7 @@ void EngineInstallCmd::Exec(const std::string& engine,
   auto result = engine_service_.InstallEngine(engine, version, src);
   if (result.has_error()) {
     CLI_LOG(result.error());
-  } else {
+  } else if(result && result.value()){
     CLI_LOG("Engine " << engine << " installed successfully!");
   }
 }

engine/services/download_service.cc

@@ -53,7 +53,7 @@ cpp::result<void, std::string> DownloadService::VerifyDownloadTask(
   return {};
 }
 
-cpp::result<void, std::string> DownloadService::AddDownloadTask(
+cpp::result<bool, std::string> DownloadService::AddDownloadTask(
     DownloadTask& task,
     std::optional<OnDownloadTaskSuccessfully> callback) noexcept {
   auto validating_result = VerifyDownloadTask(task);
@@ -65,12 +65,15 @@ cpp::result<void, std::string> DownloadService::AddDownloadTask(
   // if any item from the task failed to download, the whole task will be
   // considered failed
   std::optional<std::string> dl_err_msg = std::nullopt;
+  bool has_task_done = false;
   for (const auto& item : task.items) {
     CLI_LOG("Start downloading: " + item.localPath.filename().string());
     auto result = Download(task.id, item, true);
     if (result.has_error()) {
       dl_err_msg = result.error();
       break;
+    } else if(result) {
+      has_task_done |= result.value();
     }
   }
   if (dl_err_msg.has_value()) {
@@ -81,7 +84,7 @@ cpp::result<void, std::string> DownloadService::AddDownloadTask(
   if (callback.has_value()) {
     callback.value()(task);
   }
-  return {};
+  return has_task_done;
 }
 
 cpp::result<uint64_t, std::string> DownloadService::GetFileSize(
@@ -109,7 +112,7 @@ cpp::result<uint64_t, std::string> DownloadService::GetFileSize(
   return content_length;
 }
 
-cpp::result<void, std::string> DownloadService::AddAsyncDownloadTask(
+cpp::result<bool, std::string> DownloadService::AddAsyncDownloadTask(
     DownloadTask& task,
     std::optional<OnDownloadTaskSuccessfully> callback) noexcept {
   auto verifying_result = VerifyDownloadTask(task);
@@ -142,10 +145,10 @@ cpp::result<void, std::string> DownloadService::AddAsyncDownloadTask(
   std::thread t(execute_download_async);
   t.detach();
 
-  return {};
+  return true;
 }
 
-cpp::result<void, std::string> DownloadService::Download(
+cpp::result<bool, std::string> DownloadService::Download(
     const std::string& download_id, const DownloadItem& download_item,
     bool allow_resume) noexcept {
   CTL_INF("Absolute file output: " << download_item.localPath.string());
@@ -182,8 +185,7 @@ cpp::result<void, std::string> DownloadService::Download(
           mode = "ab";
           CLI_LOG("Resuming download..");
         } else {
-          CLI_LOG("Start over..");
-          return cpp::fail("Cancelled Resume download!");
+          CLI_LOG("Start over..");          
         }
       } else {
         CLI_LOG(download_item.localPath.filename().string()
@@ -195,7 +197,7 @@ cpp::result<void, std::string> DownloadService::Download(
         if (answer == "Y" || answer == "y" || answer.empty()) {
           CLI_LOG("Re-downloading..");
         } else {
-          return cpp::fail("Cancelled Re-download!");
+          return false;
         }
       }
     }
@@ -232,7 +234,7 @@ cpp::result<void, std::string> DownloadService::Download(
 
   fclose(file);
   curl_easy_cleanup(curl);
-  return {};
+  return true;
 }
 
 curl_off_t DownloadService::GetLocalFileSize(

engine/services/download_service.h

@@ -57,11 +57,11 @@ class DownloadService {
   using OnDownloadTaskSuccessfully =
       std::function<void(const DownloadTask& task)>;
 
-  cpp::result<void, std::string> AddDownloadTask(
+  cpp::result<bool, std::string> AddDownloadTask(
       DownloadTask& task, std::optional<OnDownloadTaskSuccessfully> callback =
                               std::nullopt) noexcept;
 
-  cpp::result<void, std::string> AddAsyncDownloadTask(
+  cpp::result<bool, std::string> AddAsyncDownloadTask(
       DownloadTask& task, std::optional<OnDownloadTaskSuccessfully> callback =
                               std::nullopt) noexcept;
 
@@ -77,7 +77,7 @@ class DownloadService {
   cpp::result<void, std::string> VerifyDownloadTask(
       DownloadTask& task) const noexcept;
 
-  cpp::result<void, std::string> Download(
+  cpp::result<bool, std::string> Download(
       const std::string& download_id, const DownloadItem& download_item,
       bool allow_resume) noexcept;
 

engine/services/engine_service.cc

@@ -116,7 +116,7 @@ std::vector<EngineInfo> EngineService::GetEngineInfoList() const {
   return engines;
 }
 
-cpp::result<void, std::string> EngineService::InstallEngine(
+cpp::result<bool, std::string> EngineService::InstallEngine(
     const std::string& engine, const std::string& version,
     const std::string& src) {
 
@@ -131,7 +131,7 @@ cpp::result<void, std::string> EngineService::InstallEngine(
   }
 }
 
-cpp::result<void, std::string> EngineService::UnzipEngine(
+cpp::result<bool, std::string> EngineService::UnzipEngine(
     const std::string& engine, const std::string& version,
     const std::string& path) {
   bool found_cuda = false;
@@ -193,10 +193,10 @@ cpp::result<void, std::string> EngineService::UnzipEngine(
     return DownloadCuda(engine);
   }
 
-  return {};
+  return true;
 }
 
-cpp::result<void, std::string> EngineService::UninstallEngine(
+cpp::result<bool, std::string> EngineService::UninstallEngine(
     const std::string& engine) {
   auto ecp = file_manager_utils::GetEnginesContainerPath();
   auto engine_path = ecp / engine;
@@ -208,14 +208,14 @@ cpp::result<void, std::string> EngineService::UninstallEngine(
   try {
     std::filesystem::remove_all(engine_path);
     CTL_INF("Engine " << engine << " uninstalled successfully!");
-    return {};
+    return true;
   } catch (const std::exception& e) {
     CTL_ERR("Failed to uninstall engine " << engine << ": " << e.what());
     return cpp::fail("Failed to uninstall engine " + engine + ": " + e.what());
   }
 }
 
-cpp::result<void, std::string> EngineService::DownloadEngine(
+cpp::result<bool, std::string> EngineService::DownloadEngine(
     const std::string& engine, const std::string& version) {
   auto get_params = [&engine, &version]() -> std::vector<std::string> {
     if (version == "latest") {
@@ -322,22 +322,22 @@ cpp::result<void, std::string> EngineService::DownloadEngine(
             });
       }
     }
-    return {};
+    return true;
   } else {
     return cpp::fail("Failed to fetch engine release: " + engine);
   }
 }
 
-cpp::result<void, std::string> EngineService::DownloadCuda(
+cpp::result<bool, std::string> EngineService::DownloadCuda(
     const std::string& engine) {
   if (hw_inf_.sys_inf->os == "mac" || engine == "cortex.onnx") {
     // mac and onnx engine does not require cuda toolkit
-    return {};
+    return true;
   }
 
   if (hw_inf_.cuda_driver_version.empty()) {
     CTL_WRN("No cuda driver, continue with CPU");
-    return {};
+    return true;
   }
   // download cuda toolkit
   const std::string jan_host = "catalog.jan.ai";

engine/services/engine_service.h

@@ -38,21 +38,21 @@ class EngineService {
 
   std::vector<EngineInfo> GetEngineInfoList() const;
 
-  cpp::result<void, std::string> InstallEngine(
+  cpp::result<bool, std::string> InstallEngine(
       const std::string& engine, const std::string& version = "latest",
       const std::string& src = "");
 
-  cpp::result<void, std::string> UninstallEngine(const std::string& engine);
+  cpp::result<bool, std::string> UninstallEngine(const std::string& engine);
 
  private:
-  cpp::result<void, std::string> UnzipEngine(const std::string& engine,
+  cpp::result<bool, std::string> UnzipEngine(const std::string& engine,
                                              const std::string& version,
                                              const std::string& path);
 
-  cpp::result<void, std::string> DownloadEngine(
+  cpp::result<bool, std::string> DownloadEngine(
       const std::string& engine, const std::string& version = "latest");
 
-  cpp::result<void, std::string> DownloadCuda(const std::string& engine);
+  cpp::result<bool, std::string> DownloadCuda(const std::string& engine);
 
   std::string GetMatchedVariant(const std::string& engine,
                                 const std::vector<std::string>& variants);

engine/services/model_service.cc

@@ -242,7 +242,7 @@ cpp::result<std::string, std::string> ModelService::HandleUrl(
     if (result.has_error()) {
       // CTL_ERR(result.error());
       return cpp::fail(result.error());
-    } else {
+    } else if (result && result.value()) {
       CLI_LOG("Model " << model_id << " downloaded successfully!")
     }
     return unique_model_id;
@@ -295,7 +295,7 @@ cpp::result<std::string, std::string> ModelService::DownloadModelFromCortexso(
 
   if (result.has_error()) {
     return cpp::fail(result.error());
-  } else {
+  } else if (result && result.value()) {
     CLI_LOG("Model " << model_id << " downloaded successfully!")
   }
 
@@ -415,7 +415,7 @@ cpp::result<bool, std::string> ModelService::StartModel(
     auto res = cli.Post("/inferences/server/loadmodel", httplib::Headers(),
                         data_str.data(), data_str.size(), "application/json");
     if (res) {
-      if (res->status == httplib::StatusCode::OK_200) {       
+      if (res->status == httplib::StatusCode::OK_200) {
         return true;
       } else {
         CTL_ERR("Model failed to load with status code: " << res->status);
@@ -459,7 +459,7 @@ cpp::result<bool, std::string> ModelService::StopModel(
     auto res = cli.Post("/inferences/server/unloadmodel", httplib::Headers(),
                         data_str.data(), data_str.size(), "application/json");
     if (res) {
-      if (res->status == httplib::StatusCode::OK_200) {        
+      if (res->status == httplib::StatusCode::OK_200) {
         return true;
       } else {
         CTL_ERR("Model failed to unload with status code: " << res->status);