Name adjustments and moved some things to the common lib.

SharpChat/ClientCommands/BanListClientCommand.cs

@@ -0,0 +1,37 @@
+using SharpChat.Misuzu;
+using SharpChat.S2CPackets;
+
+namespace SharpChat.ClientCommands {
+    public class BanListClientCommand(MisuzuClient msz) : ClientCommand {
+        private readonly MisuzuClient Misuzu = msz ?? throw new ArgumentNullException(nameof(msz));
+
+        public bool IsMatch(ClientCommandContext ctx) {
+            return ctx.NameEquals("bans")
+                || ctx.NameEquals("banned");
+        }
+
+        public void Dispatch(ClientCommandContext ctx) {
+            long msgId = ctx.Chat.RandomSnowflake.Next();
+
+            if(!ctx.User.Can(UserPermissions.BanUser | UserPermissions.KickUser)) {
+                ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.COMMAND_NOT_ALLOWED, true, $"/{ctx.Name}"));
+                return;
+            }
+
+            Task.Run(async () => {
+                MisuzuBanInfo[]? mbis = await Misuzu.GetBanListAsync();
+                if(mbis is null)
+                    ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.GENERIC_ERROR, true));
+                else
+                    ctx.Chat.SendTo(ctx.User, new BanListS2CPacket(
+                        msgId,
+                        mbis.Where(mbi => mbi.IsBanned && !mbi.HasExpired)
+                            .Select(mbi => new BanListS2CPacket.Entry(
+                                BanListS2CPacket.Type.UserName, // Misuzu currently only does username bans so we can just do this
+                                mbi.UserName ?? $"({mbi.UserId})"
+                            ))
+                    ));
+            }).Wait();
+        }
+    }
+}