v8 - word count controller - does a hacky version of the full child page counting we do in v10/11/12

WordCountController.cs

using System.Web.Http;

using Jumoo.TranslationManager.Core.Controllers;

using Newtonsoft.Json;

using Umbraco.Core.Services;
using Umbraco.Web.Mvc;
using Umbraco.Web.WebApi;

namespace WordCount
{
    [PluginController("Testing")]
    public class WordCountController : UmbracoAuthorizedApiController
    {
        private readonly TranslationNodeApiController _translationNodeApiController;
        private readonly IContentService _contentService;

        public WordCountController(TranslationNodeApiController translationNodeApiController, IContentService contentService)
        {
            _translationNodeApiController = translationNodeApiController;
            _contentService = contentService;
        }

        [HttpGet]
        public Info GetWordCounts(int id)
        {
            var wordInfo = new Info();

            long pageNumber = 0;
            int pageSize = 100;
            long total;

            do
            {

                var descendantsOrSelf = _contentService.GetPagedDescendants(id, pageNumber, pageSize, out total);

                foreach (var item in descendantsOrSelf)
                {
                    var response = _translationNodeApiController.GetWordCountInfo(item.Id);

                    var info = JsonConvert.DeserializeObject<Info>(JsonConvert.SerializeObject(response, Formatting.Indented));
                    
                    wordInfo.Characters += info.Characters;
                    wordInfo.Words += info.Words;
                    wordInfo.Properties += info.Properties;
                    wordInfo.Message += info.Message;
                    wordInfo.Pages += 1;
                }

                pageNumber++;
            } while (total > pageNumber * pageSize);

            return wordInfo;

        }

        public class Info
        {
            public int Pages;
            public int Words;
            public int Characters;
            public int Properties;
            public string Message;
        }
    }
}