SoftwarePageContentFinder.cs

using Umbraco.Cms.Core.Models.PublishedContent;
using Umbraco.Cms.Core.Routing;
using Umbraco.Cms.Core.Services;
using Umbraco.Cms.Core.Web;

namespace MyProject.Web.Customization;

public class SoftwarePageContentFinder : IContentFinder
{
    private readonly IDocumentUrlService _documentUrlService;
    private readonly IUmbracoContextAccessor _umbracoContextAccessor;

    public SoftwarePageContentFinder(IDocumentUrlService documentUrlService, IUmbracoContextAccessor umbracoContextAccessor)
    {
        _documentUrlService = documentUrlService;
        _umbracoContextAccessor = umbracoContextAccessor;
    }

    public Task<bool> TryFindContent(IPublishedRequestBuilder request)
    {
        if (_umbracoContextAccessor.TryGetUmbracoContext(out IUmbracoContext? umbracoContext) is false)
        {
            return Task.FromResult(false);
        }

        var path = request.Uri.GetAbsolutePathDecoded();

        // Only looking for software pages, found under the "/software" path.
        if (path.StartsWith("/software") is false)
        {
            return Task.FromResult(false);
        }

        // Look up the document key by route.
        // This look-up will be using the registered segments.
        Guid? documentKey = _documentUrlService.GetDocumentKeyByRoute(path, null, null, false);
        if (documentKey.HasValue is false)
        {
            return Task.FromResult(false);
        }

        // Make sure content not found when browsing via a default URL e.g. /software/business-software/hr-software.
        // This is valid according to segments, as both "business-software" and "business" are registered as segments.
        // But only /software/business/hr-software should be navigable.
        var pathParts = path.Split('/');
        if (pathParts.Take(pathParts.Length - 1).Any(x => x.EndsWith("-software")))
        {
            // Need to explicitly set 404, otherwise the the default content finder by route will find it.
            IPublishedContent? fileNotFoundContent = GetFileNotFoundContent(umbracoContext);
            request.SetPublishedContent(fileNotFoundContent);
            request.SetIs404();
            return Task.FromResult(true);
        }

        // Set the found contnent on the request.
        IPublishedContent? content = umbracoContext.Content.GetById(documentKey.Value);
        if (content is null)
        {
            return Task.FromResult(false);
        }

        request.SetPublishedContent(content);
        return Task.FromResult(true);
    }

    private static IPublishedContent? GetFileNotFoundContent(IUmbracoContext umbracoContext)
        => umbracoContext.Content.GetById(Guid.Parse("6e806c1f-9b61-437f-91d3-35650f38f560"));
}