Orchard/src/Orchard.Web/Modules/Orchard.Comments/Drivers/CommentsContainerPartDriver.cs

using System;
using JetBrains.Annotations;
using Orchard.Comments.Models;
using Orchard.Comments.Services;
using Orchard.ContentManagement.Drivers;

namespace Orchard.Comments.Drivers {
    [UsedImplicitly]
    public class CommentsContainerPartDriver : ContentPartDriver<CommentsContainerPart> {
        private readonly ICommentService _commentService;

        public CommentsContainerPartDriver(ICommentService commentService) {
            _commentService = commentService;
        }

        protected override DriverResult Display(CommentsContainerPart part, string displayType, dynamic shapeHelper) {

            var commentsForCommentedContent = _commentService.GetCommentsForCommentedContent(part.ContentItem.Id);
            Func<int> pendingCount = () => commentsForCommentedContent.Where(x => x.Status == CommentStatus.Pending).Count();
            
            return Combined(

                ContentShape("Parts_Comments_Count",
                    () => shapeHelper.Parts_Comments_Count(CommentCount: commentsForCommentedContent.Count(), PendingCount: pendingCount)),
                ContentShape("Parts_Comments_Count_SummaryAdmin",
                    () => shapeHelper.Parts_Comments_Count_SummaryAdmin(CommentCount: commentsForCommentedContent.Count(), PendingCount: pendingCount))
                );
        }
    }
}