Umbraco-CMS/src/Umbraco.Web.BackOffice/Extensions/UmbracoApplicationBuilder.Installer.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Umbraco.Cms.Web.BackOffice.Install;
using Umbraco.Cms.Web.Common.ApplicationBuilder;

namespace Umbraco.Extensions;

/// <summary>
///     <see cref="IApplicationBuilder" /> extensions for Umbraco installer
/// </summary>
public static partial class UmbracoApplicationBuilderExtensions
{
    /// <summary>
    ///     Enables the Umbraco installer
    /// </summary>
    public static IUmbracoEndpointBuilderContext UseInstallerEndpoints(this IUmbracoEndpointBuilderContext app)
    {
        if (!app.RuntimeState.UmbracoCanBoot())
        {
            return app;
        }

        InstallAreaRoutes installerRoutes = app.ApplicationServices.GetRequiredService<InstallAreaRoutes>();
        installerRoutes.CreateRoutes(app.EndpointRouteBuilder);

        return app;
    }
}