sharp-chat/SharpChat/Commands/ActionCommand.cs

using SharpChat.Events;
using System;
using System.Linq;

namespace SharpChat.Commands {
    public class ActionCommand : IChatCommand {
        public bool IsMatch(ChatCommandContext ctx) {
            return ctx.NameEquals("action")
                || ctx.NameEquals("me");
        }

        public void Dispatch(ChatCommandContext ctx) {
            throw new NotImplementedException();
        }

        public ChatMessage ActionDispatch(ChatCommandContext ctx) {
            if(!ctx.Args.Any())
                return null;

            return new ChatMessage {
                ChannelName = ctx.Channel.Name,
                DateTime = DateTimeOffset.UtcNow,
                Sender = ctx.User,
                Text = string.Join(' ', ctx.Args),
                Flags = ChatMessageFlags.Action,
            };
        }
    }
}