From da92777b8af6aef0dd3e5aabdabbb5da1ee86906 Mon Sep 17 00:00:00 2001
From: Ahson Khan <ahson_ahmedk@yahoo.com>
Date: Mon, 25 Nov 2024 16:12:31 -0800
Subject: [PATCH] Add basic operation (GetKeyValue) sample for AppConfig.
 (#6251)

* Add basic operation (GetKeyValue) sample for AppConfig.

* Update sample based on offline feedback.
---
 .../CMakeLists.txt                            |  4 ++
 .../samples/CMakeLists.txt                    | 18 ++++++
 .../samples/appconfig_basic_operation.cpp     | 55 +++++++++++++++++++
 3 files changed, 77 insertions(+)
 create mode 100644 sdk/appconfiguration/azure-data-appconfiguration/samples/CMakeLists.txt
 create mode 100644 sdk/appconfiguration/azure-data-appconfiguration/samples/appconfig_basic_operation.cpp

diff --git a/sdk/appconfiguration/azure-data-appconfiguration/CMakeLists.txt b/sdk/appconfiguration/azure-data-appconfiguration/CMakeLists.txt
index 26c667190..6fa4c7b68 100644
--- a/sdk/appconfiguration/azure-data-appconfiguration/CMakeLists.txt
+++ b/sdk/appconfiguration/azure-data-appconfiguration/CMakeLists.txt
@@ -90,6 +90,10 @@ az_rtti_setup(
   "azure/data/appconfiguration/rtti.hpp"
 )
 
+if (BUILD_SAMPLES)
+  add_subdirectory(samples)
+endif()
+
 if(BUILD_TESTING)
     if (NOT AZ_ALL_LIBRARIES OR FETCH_SOURCE_DEPS)
       include(AddGoogleTest)
diff --git a/sdk/appconfiguration/azure-data-appconfiguration/samples/CMakeLists.txt b/sdk/appconfiguration/azure-data-appconfiguration/samples/CMakeLists.txt
new file mode 100644
index 000000000..db96f6cad
--- /dev/null
+++ b/sdk/appconfiguration/azure-data-appconfiguration/samples/CMakeLists.txt
@@ -0,0 +1,18 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+cmake_minimum_required (VERSION 3.13)
+
+project (app_config_sample LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+if(MSVC)
+  add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
+endif()
+
+add_executable(app_config_sample appconfig_basic_operation.cpp)
+target_link_libraries(app_config_sample PRIVATE azure-data-appconfiguration azure-identity)
+target_include_directories(app_config_sample PRIVATE .)
+target_compile_definitions(app_config_sample PRIVATE _azure_BUILDING_SAMPLES)
+create_per_service_target_build_for_sample(appconfiguration app_config_sample DISABLE_RUN)
diff --git a/sdk/appconfiguration/azure-data-appconfiguration/samples/appconfig_basic_operation.cpp b/sdk/appconfiguration/azure-data-appconfiguration/samples/appconfig_basic_operation.cpp
new file mode 100644
index 000000000..df3f03d91
--- /dev/null
+++ b/sdk/appconfiguration/azure-data-appconfiguration/samples/appconfig_basic_operation.cpp
@@ -0,0 +1,55 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+/**
+ * @brief This sample provides the code implementation to use the App Configuration client SDK for
+ * C++ to get one or more configuration settings.
+ */
+
+#include <azure/data/appconfiguration.hpp>
+#include <azure/identity.hpp>
+
+#include <iostream>
+
+using namespace Azure::Data::AppConfiguration;
+using namespace Azure::Identity;
+
+int main()
+{
+  try
+  {
+    std::string url = "https://<your-appconfig-name>.azconfig.io";
+    auto credential = std::make_shared<Azure::Identity::DefaultAzureCredential>();
+
+    // create client
+    ConfigurationClient configurationClient(url, credential);
+
+    Azure::Response<GetKeyValueResult> response = configurationClient.GetKeyValue("key", "accept");
+
+    GetKeyValueResult result = response.Value;
+    Azure::Nullable<std::string> valueOfKey = result.Value;
+
+    if (valueOfKey.HasValue())
+    {
+      std::cout << valueOfKey.Value() << std::endl;
+    }
+    else
+    {
+      std::cout << "Value for: '"
+                << "key"
+                << "' does not exist." << std::endl;
+    }
+  }
+  catch (Azure::Core::Credentials::AuthenticationException const& e)
+  {
+    std::cout << "Authentication error:" << std::endl << e.what() << std::endl;
+    return 1;
+  }
+  catch (Azure::Core::RequestFailedException const& e)
+  {
+    std::cout << "Client request failed error:" << std::endl << e.what() << std::endl;
+    return 1;
+  }
+
+  return 0;
+}