AllIndexerController.cs

using Asp.Versioning;
using Examine;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Umbraco.Cms.Api.Management.Factories;
using Umbraco.Cms.Api.Common.ViewModels.Pagination;
using Umbraco.Cms.Api.Management.ViewModels.Indexer;
using Umbraco.Extensions;

namespace Umbraco.Cms.Api.Management.Controllers.Indexer;

[ApiVersion("1.0")]
public class AllIndexerController : IndexerControllerBase
{
    private readonly IExamineManager _examineManager;
    private readonly IIndexPresentationFactory _indexPresentationFactory;

    public AllIndexerController(
        IExamineManager examineManager,
        IIndexPresentationFactory indexPresentationFactory)
    {
        _examineManager = examineManager;
        _indexPresentationFactory = indexPresentationFactory;
    }

    /// <summary>
    ///     Get the details for indexers
    /// </summary>
    /// <returns></returns>
    [HttpGet]
    [MapToApiVersion("1.0")]
    [ProducesResponseType(typeof(PagedViewModel<IndexResponseModel>), StatusCodes.Status200OK)]
    [EndpointSummary("Gets a collection of indexers.")]
    [EndpointDescription("Gets a collection of configured search indexers in the Umbraco installation.")]
    public async Task<PagedViewModel<IndexResponseModel>> All(
        CancellationToken cancellationToken,
        int skip = 0,
        int take = 100)
    {
        var indexes = new List<IndexResponseModel>();

        foreach (IIndex index in _examineManager.Indexes)
        {
            indexes.Add(await _indexPresentationFactory.CreateAsync(index));
        }

        indexes.Sort((a, b) =>
            string.Compare(a.Name.TrimEnd("Indexer"), b.Name.TrimEnd("Indexer"), StringComparison.Ordinal));

        var viewModel = new PagedViewModel<IndexResponseModel>
        {
            Items = indexes.Skip(skip).Take(take),
            Total = indexes.Count,
        };

        return viewModel;
    }
}