// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
var faceBookOption = new FaceBookOption();
Configuration.Bind(nameof(FaceBookOption), faceBookOption);
services.AddSingleton(faceBookOption);
services.AddHttpClient();
services.AddScoped <IFaceBookService, FaceBookService>();
services.AddControllers();
}
public FaceBookService(FaceBookOption faceBookOption, IHttpClientFactory httpClientFactory)
{
_faceBookOption = faceBookOption;
_httpClientFactory = httpClientFactory;
}