discord-bot/CompatBot/EventHandlers/LogAsTextMonitor.cs

using System;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using CompatBot.Utils;
using DSharpPlus.Entities;
using DSharpPlus.EventArgs;

namespace CompatBot.EventHandlers
{
    internal static class LogAsTextMonitor
    {
        private static readonly Regex LogLine = new Regex(@"^[`""]?(·|(\w|!)) ({(rsx|PPU|SPU)|LDR:)|E LDR:", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Multiline);

        public static async Task OnMessageCreated(MessageCreateEventArgs args)
        {
            if (DefaultHandlerFilter.IsFluff(args.Message))
                return;

            if (!"help".Equals(args.Channel.Name, StringComparison.InvariantCultureIgnoreCase))
                return;

            if ((args.Message.Author as DiscordMember)?.Roles.Any() ?? false)
                return;

            if (LogLine.IsMatch(args.Message.Content))
            {
                var brokenDump = false;
                string msg = "";
                if (args.Message.Content.Contains("LDR:"))
                {
                    brokenDump = true;
                    if (args.Message.Content.Contains("fs::file is null"))
                        msg = $"{args.Message.Author.Mention} this error usually indicates a missing `.rap` license file.\n";
                    else if (args.Message.Content.Contains("Invalid or unsupported file format"))
                        msg = $"{args.Message.Author.Mention} this error usually indicates an encrypted or corrupted game dump.\n";
                    else
                        brokenDump = false;
                }
                var logUploadExplain = await PostLogHelpHandler.GetExplanationAsync("log").ConfigureAwait(false);
                if (brokenDump)
                    msg += "Please follow the quickstart guide to get a proper dump of a digital title.\n" +
                           "Also please upload the full RPCS3 log instead of pasting only a section which may be completely irrelevant.\n" +
                           logUploadExplain.Text;
                else
                    msg = $"{args.Message.Author.Mention} please upload the full RPCS3 log instead of pasting only a section which may be completely irrelevant." +
                          logUploadExplain.Text;
                await args.Channel.SendMessageAsync(msg, logUploadExplain.Attachment, logUploadExplain.AttachmentFilename).ConfigureAwait(false);
            }
        }
    }
}