Contentment Custom IDataListSource: Umbraco Page Types

PageTypesDataSource.cs

namespace YourCode
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using Umbraco.Community.Contentment.DataEditors;
    using Umbraco.Core.Logging;
    using Umbraco.Core.PropertyEditors;
    using Umbraco.Core.Services;

    public class PageTypesDataSource : IDataListSource
    {
        #region Properties

        public string Name => "Page Types";

        public string Description => "All Content Types which are not Elements and have Templates";

        public string Icon => "icon-blueprint";

        public OverlaySize OverlaySize => OverlaySize.Small;

        public Dictionary<string, object> DefaultValues => default;

        public IEnumerable<ConfigurationField> Fields => default;

        #endregion

        #region Dependency Injection - Let's get some Umbraco goodies available here!

        private readonly IContentTypeService _contentTypeService;
        private readonly ILogger _logger;

        public PageTypesDataSource(IContentTypeService contentTypeService, ILogger logger)
        {
            _contentTypeService = contentTypeService;
            _logger = logger;
        }

        #endregion

        public IEnumerable<DataListItem> GetItems(Dictionary<string, object> config)
        {
            var items = new List<DataListItem>();
         
            try
            {
                foreach (var ct in _contentTypeService.GetAll().Where(n => !n.IsElement).OrderBy(n => n.Name))
                {
                    if (ct.AllowedTemplates.Any())
                    {
                        var item = new DataListItem();
                        item.Name = ct.Name;
                        item.Value = ct.Alias;
                        item.Icon = ct.Icon;
                        item.Description = ct.Description;

                        items.Add(item);
                    }
                }
            }
            catch (Exception e)
            {
                _logger.Error(typeof(PageTypesDataSource), e);
            }

            return items;
        }
    }
}