BaconographyPortable.Model.Reddit.RedditService.GetMoreOnListing C# (CSharp) Method

        public async Task<Listing> GetMoreOnListing(IEnumerable<string> childrenIds, string contentId, string subreddit)
        {
            var targetUri = "http://www.reddit.com/api/morechildren.json";

            if (childrenIds.Count() == 0)
                return new Listing
                {
                    Kind = "Listing",
                    Data = new ListingData()
                };

            var arguments = new Dictionary<string, string>
            {
                {"children", string.Join(",", childrenIds) },
                {"link_id", contentId },
                {"pv_hex", ""},
                {"api_type", "json" }
            };

            if (subreddit != null)
            {
                arguments.Add("r", subreddit);
            }

            try
            {
                var result = await _simpleHttpService.SendPost(await GetCurrentLoginCookie(), arguments, targetUri);
                var newListing = new Listing
                {
                    Kind = "Listing",
                    Data = new ListingData { Children = JsonConvert.DeserializeObject<JsonThing>(result).Json.Data.Things }
                };

                return MaybeInjectAdvertisements(MaybeFilterForNSFW(newListing));
            }
            catch (Exception ex)
            {
                _notificationService.CreateErrorNotification(ex);

                return new Listing
                {
                    Kind = "Listing",
                    Data = new ListingData { Children = new List<Thing>() }
                };
            }
        }