Rewrite VoiceRoleSync

Implement a slightly more sane configuration

Modules/VoiceRoleSync/ModuleConfig.cs

@@ -1,32 +1,36 @@
+using RegexBot.Common;
 using System.Collections.ObjectModel;
 
 namespace RegexBot.Modules.VoiceRoleSync;
-/// <summary>
-/// Dictionary wrapper. Key = voice channel ID, Value = role.
-/// </summary>
 class ModuleConfig {
+    /// <summary>
+    /// Key = voice channel ID, Value = role ID.
+    /// </summary>
     private readonly ReadOnlyDictionary<ulong, ulong> _values;
 
     public int Count { get => _values.Count; }
 
-    public ModuleConfig(JObject config) {
+    public ModuleConfig(JObject config, SocketGuild g) {
-        // Configuration format is expected to be an object that contains other objects.
+        // Configuration: Object with properties.
-        // The objects themselves should have their name be the voice channel,
+        // Property name is a role entity name
-        // and the value be the role to be applied.
+        // Value is a string or array of voice channel IDs.
-
-        // TODO Make it accept names; currently only accepts ulongs
-
         var values = new Dictionary<ulong, ulong>();
 
         foreach (var item in config.Properties()) {
-            if (!ulong.TryParse(item.Name, out var voice)) throw new ModuleLoadException($"{item.Name} is not a voice channel ID.");
+            var name = new EntityName(item.Name);
-            var valstr = item.Value.Value<string>();
+            if (name.Type != EntityType.Role) throw new ModuleLoadException($"'{item.Name}' is not specified as a role.");
-            if (!ulong.TryParse(valstr, out var role)) throw new ModuleLoadException($"{valstr} is not a role ID.");
+            var role = name.FindRoleIn(g);
+            if (role == null) throw new ModuleLoadException($"Unable to find role '{name}'.");
 
-            values[voice] = role;
+            var channels = Utilities.LoadStringOrStringArray(item.Value);
+            if (channels.Count == 0) throw new ModuleLoadException($"One or more channels must be defined under '{name}'.");
+            foreach (var id in channels) {
+                if (!ulong.TryParse(id, out var channelId)) throw new ModuleLoadException("Voice channel IDs must be numeric.");
+                if (values.ContainsKey(channelId)) throw new ModuleLoadException($"'{channelId}' cannot be specified more than once.");
+                values.Add(channelId, role.Id);
+            }
         }
-
+        _values = new(values);
-        _values = new ReadOnlyDictionary<ulong, ulong>(values);
     }
 
     public SocketRole? GetAssociatedRoleFor(SocketVoiceChannel voiceChannel) {
@@ -36,8 +40,9 @@ class ModuleConfig {
     }
 
     public IEnumerable<SocketRole> GetTrackedRoles(SocketGuild guild) {
-        foreach (var pair in _values) {
+        var roles = _values.Select(v => v.Value).Distinct();
-            var r = guild.GetRole(pair.Value);
+        foreach (var id in roles) {
+            var r = guild.GetRole(id);
             if (r != null) yield return r;
         }
     }

Modules/VoiceRoleSync/VoiceRoleSync.cs

@@ -5,8 +5,6 @@ namespace RegexBot.Modules.VoiceRoleSync;
 /// </summary>
 [RegexbotModule]
 internal class VoiceRoleSync : RegexbotModule {
-    // TODO wishlist? specify multiple definitions - multiple channels associated with multiple roles.
-
     public VoiceRoleSync(RegexbotClient bot) : base(bot) {
         DiscordClient.UserVoiceStateUpdated += Client_UserVoiceStateUpdated;
     }
@@ -18,7 +16,8 @@ internal class VoiceRoleSync : RegexbotModule {
         if (settings == null) return; // not enabled here
 
         async Task RemoveAllAssociatedRoles()
-            => await user.RemoveRolesAsync(settings.GetTrackedRoles(user.Guild).Intersect(user.Roles));
+            => await user.RemoveRolesAsync(settings.GetTrackedRoles(user.Guild).Intersect(user.Roles),
+                new Discord.RequestOptions() { AuditLogReason = nameof(VoiceRoleSync) + ": No longer in associated voice channel." });
 
         if (after.VoiceChannel == null) {
             // Not in any voice channel. Remove all roles being tracked by this instance. Clear.
@@ -35,10 +34,10 @@ internal class VoiceRoleSync : RegexbotModule {
                     await RemoveAllAssociatedRoles();
                 } else {
                     // In a tracked voice channel: Clear all except target, add target if needed.
-                    await user.RemoveRolesAsync(settings.GetTrackedRoles(user.Guild)
+                    var toRemove = settings.GetTrackedRoles(user.Guild).Where(role => role.Id != targetRole.Id).Intersect(user.Roles);
-                        .Where(role => role.Id != targetRole.Id)
+                    if (toRemove.Any()) await user.RemoveRolesAsync(toRemove);
-                        .Intersect(user.Roles));
+                    if (!user.Roles.Contains(targetRole)) await user.AddRoleAsync(targetRole,
-                    if (!user.Roles.Contains(targetRole)) await user.AddRoleAsync(targetRole);
+                        new Discord.RequestOptions() { AuditLogReason = nameof(VoiceRoleSync) + ": Joined associated voice channel." });
                 }
             }
         }
@@ -49,7 +48,7 @@ internal class VoiceRoleSync : RegexbotModule {
         if (config.Type != JTokenType.Object)
             throw new ModuleLoadException("Configuration for this section is invalid.");
 
-        var newconf = new ModuleConfig((JObject)config);
+        var newconf = new ModuleConfig((JObject)config, Bot.DiscordClient.GetGuild(guildID));
         Log(DiscordClient.GetGuild(guildID), $"Configured with {newconf.Count} pairing(s).");
         return Task.FromResult<object?>(newconf);
     }