public static IExecutable Create(string commandInput, IForum forum)
        {
            var data = commandInput.Split(null);
            var commandName = data[0].ToLower();

            var commandClass =
                Assembly.GetExecutingAssembly()
                    .GetTypes()
                    .Where(t => t.IsClass && t.Namespace == typeof(CommandFactory).Namespace)
                    .Where(t => t.Name.EndsWith(CommandSuffix))
                    .First(t => t.Name.Replace(CommandSuffix, string.Empty).ToLower().Equals(commandName));

            var command = Activator.CreateInstance(commandClass, forum) as AbstractCommand;

            foreach (var field in data)
            {
                command.Data.Add(field);
            }

            return command;
        }

 public RegisterCommand(IForum forum)
     : base(forum)
 {
 }

 public LoginCommand(IForum forum)
     : base(forum)
 {
    
 }

 public ShowQuestionsCommand(IForum forum)
     : base(forum)
 {
 }

 public MakeBestAnswerCommand(IForum forum)
     : base(forum)
 {
 }

 public PostQuestionCommand(IForum forum)
     : base(forum)
 {
 }

 protected AbstractCommand(IForum forum)
 {
     this.Forum = forum;
 }

 public void Init(IForum View)
 {
     _view = View;
     bool IsLogin = _webContext.LoggedIn;
     _view.LoadCategories(_boardService.GetCategoriesWithForums());
 }

 public WrongCommand(IForum forum)
     : base(forum)
 {
 }

 public OpenQuestion(IForum forum)
     : base(forum)
 {
 }

 public LogoutCommand(IForum forum)
     : base(forum)
 {
 }

 public ExitCommand(IForum forum)
     : base(forum)
 {
 }

 public ShowAllQuestions(IForum forum)
     : base(forum)
 {
 }

 public OpenQuestionCommand(IForum forum)
     : base(forum)
 {
 }

 protected LoggedUserCommand(IForum forum)
     : base(forum)
 {
 }

 public PostAnswerCommand(IForum forum) 
     : base(forum)
 {
 }

        private static IForum GetForum(TemplateControl caller)
        {
            if (isForumLoaded)
                return forum;

            lock (forumSync)
            {
                if (isForumLoaded)
                    return forum;

                if (IsForumModuleInstalled)
                    forum = caller.LoadControl("forum.ascx") as IForum;

                isForumLoaded = true;
                return forum;
            }
        }