HCv13 AddAuthorization extension method

_readme.md

Before

services
    .AddAuthorization(options =>
    {
        options.AddPolicy("person", b => b.RequireAssertion(ctx => false));
    })

services
    .AddGraphQLServer()
    .AddAuthorization();

After

services
    .AddGraphQLServer()
    .AddAuthorization(options =>
    {
        options.AddPolicy("person", b => b.RequireAssertion(ctx => false));
    })

HotChocolateAuthorizeRequestExecutorBuilder.cs

using System;
using HotChocolate;
using HotChocolate.AspNetCore.Authorization;
using HotChocolate.Execution.Configuration;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.DependencyInjection.Extensions;

namespace Microsoft.Extensions.DependencyInjection
{
    /// <summary>
    /// Provides extension methods for the GraphQL builder.
    /// </summary>
    public static class HotChocolateAuthorizeRequestExecutorBuilder
    {
        /// <summary>
        /// Adds ASP.NET Core authorization support to the schema.
        /// </summary>
        /// <param name="builder">
        /// The <see cref="IRequestExecutorBuilder"/>.
        /// </param>
        /// <param name="configure">
        /// An action delegate to configure the provided <see cref="AuthorizationOptions"/>.
        /// </param>
        /// <returns>
        /// Returns the <see cref="IRequestExecutorBuilder"/> for chaining in more configurations.
        /// </returns>
        public static IRequestExecutorBuilder AddAuthorization(
            this IRequestExecutorBuilder builder,
            Action<AuthorizationOptions> configure)
        {
            builder.ConfigureSchema(sb => sb.AddAuthorizeDirectiveType());

            builder.Services.TryAddSingleton<
                HotChocolate.AspNetCore.Authorization.IAuthorizationHandler,
                DefaultAuthorizationHandler>();

            builder.Services.AddAuthorization(configure);

            return builder;
        }
    }
}