Umbraco-CMS/src/Umbraco.Core/Services/ContentServiceExtensions.cs

using System.Linq;

namespace Umbraco.Core.Services
{
    public static class ContentServiceExtensions
    {
        /// <summary>
        /// Returns true if there is any content in the recycle bin
        /// </summary>
        /// <param name="contentService"></param>
        /// <returns></returns>
        public static bool RecycleBinSmells(this IContentService contentService)
        {
            return contentService.CountChildren(Constants.System.RecycleBinContent) > 0;
        }

        /// <summary>
        /// Returns true if there is any media in the recycle bin
        /// </summary>
        /// <param name="mediaService"></param>
        /// <returns></returns>
        public static bool RecycleBinSmells(this IMediaService mediaService)
        {
            return mediaService.CountChildren(Constants.System.RecycleBinMedia) > 0;
        }
    }
}