Improved logging and minor fixes

Modules/AutoResponder/AutoResponder.cs

@@ -33,26 +33,23 @@ internal class AutoResponder : RegexbotModule {
         var definitions = GetGuildState<IEnumerable<Definition>>(ch.Guild.Id);
         if (definitions == null) return; // No configuration in this guild; do no further processing
 
-        var tasks = new List<Task>();
         foreach (var def in definitions) {
-            tasks.Add(Task.Run(async () => await ProcessMessageAsync(arg, def)));
+            await ProcessMessageAsync(arg, def, ch);
         }
-
-        await Task.WhenAll(tasks);
     }
 
-    private async Task ProcessMessageAsync(SocketMessage msg, Definition def) {
+    private async Task ProcessMessageAsync(SocketMessage msg, Definition def, SocketTextChannel ch) {
         if (!def.Match(msg)) return;
 
+        Log(ch.Guild, $"Definition '{def.Label}' triggered by {msg.Author}.");
         if (def.Command == null) {
             await msg.Channel.SendMessageAsync(def.GetResponse());
         } else {
-            var ch = (SocketGuildChannel)msg.Channel;
             var cmdline = def.Command.Split(new char[] { ' ' }, 2);
 
             var ps = new ProcessStartInfo() {
                 FileName = cmdline[0],
-                Arguments = (cmdline.Length == 2 ? cmdline[1] : ""),
+                Arguments = cmdline.Length == 2 ? cmdline[1] : "",
                 UseShellExecute = false, // ???
                 CreateNoWindow = true,
                 RedirectStandardOutput = true

Modules/EntryRole/GuildData.cs

@@ -1,7 +1,6 @@
 using RegexBot.Common;
 
 namespace RegexBot.Modules.EntryRole;
-
 /// <summary>
 /// Contains configuration data as well as per-guild timers for those awaiting role assignment.
 /// </summary>

Modules/ModCommands/Commands/BanKick.cs

@@ -19,7 +19,7 @@ class Ban : BanKick {
                 await msg.Channel.SendMessageAsync($"{SuccessMessage}\n{result.GetResultString(Module.Bot)}");
             } else {
                 // TODO custom fail message?
-                await msg.Channel.SendMessageAsync(SuccessMessage);
+                await msg.Channel.SendMessageAsync(result.GetResultString(Module.Bot));
             }
         } else {
             await msg.Channel.SendMessageAsync(result.GetResultString(Module.Bot));

Modules/ModCommands/ModCommands.cs

@@ -41,9 +41,9 @@ internal class ModCommands : RegexbotModule {
         if (cfg.Commands.TryGetValue(cmdchk, out var c)) {
             try {
                 await c.Invoke(g, arg);
-                Log($"[{g.Name}] {c.Command} invoked by {arg.Author} in #{arg.Channel.Name}.");
+                Log(g, $"{c.Command} invoked by {arg.Author} in #{arg.Channel.Name}.");
             } catch (Exception ex) {
-                Log($"Unhandled exception while processing '{c.Label}':\n" + ex.ToString());
+                Log(g, $"Unhandled exception while processing '{c.Label}':\n" + ex.ToString());
                 await arg.Channel.SendMessageAsync($":x: An error occurred during processing ({ex.GetType().FullName}). " +
                     "Check the console for details.");
             }

Modules/RegexModerator/RegexModerator.cs

@@ -46,29 +46,15 @@ internal class RegexModerator : RegexbotModule {
         var defs = GetGuildState<IEnumerable<ConfDefinition>>(ch.Guild.Id);
         if (defs == null) return;
 
-        // Send further processing to thread pool.
-        // Match checking is a CPU-intensive task, thus very little checking is done here.
-        var msgProcessingTasks = new List<Task>();
+        // Matching and response processing
         foreach (var item in defs) {
             // Need to check sender's moderator status here. Definition can't access mod list.
             var isMod = GetModerators(ch.Guild.Id).IsListMatch(msg, true);
 
-            var match = item.IsMatch(msg, isMod);
-            msgProcessingTasks.Add(Task.Run(async () => await ProcessMessage(item, ch.Guild, msg, isMod)));
+            if (!item.IsMatch(msg, isMod)) continue;
+            Log(ch.Guild, $"Rule '{item.Label}' triggered by {msg.Author}.");
+            var exec = new ResponseExecutor(item, Bot, msg, (string logLine) => Log(ch.Guild, logLine));
+            await exec.Execute();
         }
-        await Task.WhenAll(msgProcessingTasks);
-    }
-
-    /// <summary>
-    /// Does further message checking and response execution.
-    /// Invocations of this method are meant to be placed onto a thread separate from the caller.
-    /// </summary>
-    private async Task ProcessMessage(ConfDefinition def, SocketGuild g, SocketMessage msg, bool isMod) {
-        if (!def.IsMatch(msg, isMod)) return;
-
-        // TODO logging options for match result; handle here?
-
-        var executor = new ResponseExecutor(def, Bot, msg, (string logLine) => Log(g, logLine));
-        await executor.Execute();
     }
 }

Services/ModuleState/ModuleStateService.cs

@@ -22,7 +22,8 @@ class ModuleStateService : Service {
     }
 
     private async Task RefreshGuildState(SocketGuild arg) {
-        if (await ProcessConfiguration(arg)) Log($"Configuration refreshed for '{arg.Name}'.");
+        if (await ProcessConfiguration(arg)) Log($"'{arg.Name}': Configuration refreshed.");
+        else Log($"'{arg.Name}': Configuration refresh failed. Retaining existing configuration and state, if any.");
     }
 
     private Task RemoveGuildData(SocketGuild arg) {
@@ -52,14 +53,6 @@ class ModuleStateService : Service {
         }
     }
 
-    /// <summary>
-    /// Configuration is loaded from database, and appropriate sections dispatched to their
-    /// respective methods for further processing.
-    /// </summary>
-    /// <remarks>
-    /// This takes an all-or-nothing approach. Should there be a single issue in processing
-    /// configuration, all existing state data is kept.
-    /// </remarks>
     private async Task<bool> ProcessConfiguration(SocketGuild guild) {
         var jstr = await LoadConfigFile(guild);
         JObject guildConf;