Track Subreddit Daily Comments.cs

using Reddit;
using Reddit.Controllers;
using Reddit.Exceptions;
using Reddit.Inputs;
using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            var reddit = new RedditClient("YourRedditAppID", "YourBotUserRefreshToken");

            // reddit.Subreddit("MySubreddit") loads an empty named subreddit instance, then About() queries Reddit and returns the data.  --Kris
            var subreddit = reddit.Subreddit("MySubreddit").About();

            /*
             * Gather all of yesterday's posts and add the total comments.  Note the use of "after" for pagination, as the API is limited to a maximum of 100 results per query.
             * The API sometimes returns posts slightly out of order (don't ask me why), so this will keep going until it gets 3 or more consecutive posts outside the date range.  It's an arbitrary number but should be sufficient.
             * Loop will timeout after 5 minutes, just to be safe.
             * 
             * --Kris
             */
            int totalComments = 0;
            int outdatedPosts = 0;
            string after = "";
            DateTime start = DateTime.Now;
            do
            {
                foreach (Post post in subreddit.Posts.GetNew(new CategorizedSrListingInput(after: after, limit: 100)))
                {
                    // Keep going until we hit 3 posts in a row from the day before yesterday.  Today's posts are completely ignored.  --Kris
                    if (post.Created >= DateTime.Today.AddDays(-1) && post.Created < DateTime.Today)
                    {
                        outdatedPosts = 0;
                        totalComments += post.Listing.NumComments;
                    }
                    else if (post.Created < DateTime.Today.AddDays(-1))
                    {
                        outdatedPosts++;
                    }

                    after = post.Fullname;
                }
            } while (outdatedPosts < 3 && start.AddMinutes(5) > DateTime.Now);

            // Create a new self-post to report the result.  --Kris
            var newPost = subreddit.SelfPost("Total Comments for " + DateTime.Today.AddDays(-1).ToString("D"), totalComments.ToString()).Submit();

            // Update the sidebar to reflect yesterday's total.  --Kris
            subreddit.Sidebar = "**Yesterday's Comments Total:** " + totalComments.ToString();
            try
            {
                subreddit.Update();  // Sends the subreddit data with the updated sidebar text back to the Reddit API to apply the change.  --Kris
            }
            catch (RedditControllerException) { }
        }
    }
}