public static IServiceCollection AddEventHandler(this IServiceCollection services, Action <EventhandlerJsonFile> setupAction)
{
if (setupAction == null)
{
throw new ArgumentNullException(nameof(setupAction), $"{nameof(setupAction)} cannot be null.");
}
var options = new EventhandlerJsonFile();
setupAction.Invoke(options);
ConfigureEventhandlerOptions(services, options);
RegisterServices(services);
return(services);
}
private static void ConfigureEventhandlerOptions(IServiceCollection services, EventhandlerJsonFile options)
{
ValidateMandatoryField(options.FileName, nameof(options.FileName));
ValidateMandatoryField(options.Section, nameof(options.Section));
var builder = new ConfigurationBuilder().AddJsonFile(options.FileName);
var config = builder.Build();
var section = config.GetSection(options.Section);
services.Configure <EventhandlerOptions>(section);
}
