/// <summary>
/// Loads the <see cref="AppRegistrationConfig"/> and <see cref="ApiRegistrationConfig"/> configs.
/// </summary>
/// <param name="appRegistrationConfig">Config for Azure App Registraiton</param>
/// <param name="apiRegistrationConfig">Config for the API Subscription Key from Customer Insights.</param>
private static void LoadConfigs(AppRegistrationConfig appRegistrationConfig, ApiRegistrationConfig apiRegistrationConfig)
{
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json");
IConfigurationRoot configuration = builder.Build();
configuration.GetSection("AppRegistration").Bind(appRegistrationConfig);
configuration.GetSection("ApiRegistration").Bind(apiRegistrationConfig);
}
/// <summary>
/// Creates the Customer Insights API by acquiring an access token from the app and constructing the client with proper HTTP headers.
/// </summary>
/// <param name="apiRegistrationConfig">The app registration config.</param>
/// <param name="app">The app configured with client secrets and authority.</param>
/// <returns>An instantiated and authorized Customer Insights API</returns>
private static async Task <CustomerInsights> CreateCustomerInsightsApi(ApiRegistrationConfig apiRegistrationConfig, IConfidentialClientApplication app)
{
var accessToken = await AcquireAccessTokenAsync(app);
var httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.Add(HeaderNames.Authorization, $"Bearer {accessToken}");
httpClient.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", apiRegistrationConfig.ApiSubscriptionKey);
var customerInsightsApi = new CustomerInsights(httpClient, false);
return(customerInsightsApi);
}
/// <summary>
/// Entry point for the program - creates and loads configs, builds app from app registration for auth, creates Customer Insights API client, and starts interactions.
/// </summary>
/// <returns>A task for the async main function.</returns>
public static async Task Main()
{
AppRegistrationConfig appRegistrationConfig = new AppRegistrationConfig();
ApiRegistrationConfig apiRegistrationConfig = new ApiRegistrationConfig();
LoadConfigs(appRegistrationConfig, apiRegistrationConfig);
IConfidentialClientApplication app = BuildClientApplication(appRegistrationConfig);
CustomerInsights customerInsightsApi = await CreateCustomerInsightsApi(apiRegistrationConfig, app);
var sampleInteractions = new SampleApiInteractions(customerInsightsApi);
await sampleInteractions.StartAsync();
}