add handler to automatically post log uploading instructions in #help

CompatBot/EventHandlers/PostLogHelpHandler.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using CompatBot.Utils;
+using DSharpPlus.EventArgs;
+
+namespace CompatBot.EventHandlers
+{
+    internal sealed class PostLogHelpHandler
+    {
+        private const RegexOptions DefaultOptions = RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.ExplicitCapture;
+        private static readonly Regex UploadLogMention = new Regex(@"\b(post|upload)\s+(a|the|rpcs3('s)?|your|you're|ur|my)?\blogs?\b", DefaultOptions);
+        private static readonly SemaphoreSlim TheDoor = new SemaphoreSlim(1, 1);
+        private static readonly TimeSpan ThrottlingThreshold = TimeSpan.FromSeconds(5);
+        private static DateTime lastMention = DateTime.UtcNow.AddHours(-1);
+
+        public static async Task OnMessageCreated(MessageCreateEventArgs args)
+        {
+            if (args.Author.IsBot)
+                return;
+
+            if (!args.Channel.Name.Equals("help", StringComparison.InvariantCultureIgnoreCase))
+                return;
+
+            if (DateTime.UtcNow - lastMention < ThrottlingThreshold)
+                return;
+
+            if (string.IsNullOrEmpty(args.Message.Content) || args.Message.Content.StartsWith(Config.CommandPrefix))
+                return;
+
+            if (!UploadLogMention.IsMatch(args.Message.Content))
+                return;
+
+            if (!TheDoor.Wait(0))
+                return;
+
+            try
+            {
+
+                var lastBotMessages = await args.Channel.GetMessagesBeforeAsync(args.Message.Id, 20, DateTime.UtcNow.AddSeconds(-30)).ConfigureAwait(false);
+                foreach (var msg in lastBotMessages)
+                    if (BotShutupHandler.NeedToSilence(msg).needToChill)
+                        return;
+
+                await args.Channel.SendMessageAsync("To upload log, completely close RPCS3 then drag and drop rpcs3.log.gz from the RPCS3 folder into Discord. The file may have a zip or rar icon.").ConfigureAwait(false);
+                lastMention = DateTime.UtcNow;
+            }
+            finally
+            {
+                TheDoor.Release();
+            }
+        }
+    }
+}

CompatBot/Program.cs

@@ -176,6 +176,7 @@ namespace CompatBot
                     client.MessageCreated += LogParsingHandler.OnMessageCreated;
                     client.MessageCreated += LogAsTextMonitor.OnMessageCreated;
                     client.MessageCreated += DiscordInviteFilter.OnMessageCreated;
+                    client.MessageCreated += PostLogHelpHandler.OnMessageCreated;
                     client.MessageCreated += BotShutupHandler.OnMessageCreated;
                     client.MessageCreated += AppveyorLinksHandler.OnMessageCreated;
                     client.MessageCreated += GithubLinksHandler.OnMessageCreated;