TalkPHP - MVC and big methods

to criticize please my controller. This class is controller of MVC model and I don't know, how true this code. Me bemuse the big methods...

sorry my english :Р
PHP Code:

		
			
<?php

class Backend_Group_Controller extends Backend_Controller

{

    private $group;

    private $group_mapper;



    public function __construct($controller_name)

    {

        parent::__construct($controller_name);



        $this->actview = array('main', 'edit');

    }



    // Основной метод, запускается при любом action

    public function run($action)

    {

        $this->group_mapper = new Group_Mapper();



        if (isset($this->request->id))

        {

            if (!is_numeric($this->request->id))

            {

                $redirect = new Redirect();

                $redirect->setType('alert');

                $redirect->setMessage('Указан неверный идентификатор группы.');

                $redirect->setRedirectUrl('/admin/group/');

                $redirect->run();

            }



            $this->group = $this->group_mapper->findById($this->request->id);



            if (!$this->group->id)

            {

                $redirect = new Redirect();

                $redirect->setType('alert');

                $redirect->setMessage('Группы с идентификатором <strong>'.$this->request->id.'</strong> '.

                                      'не существует.');

                $redirect->setRedirectUrl('/admin/group/');

                $redirect->run();

            }

        }



        parent::run($action);

    }



    // Списко групп пользователей.

    public function main()

    {

        $params = array('order' => array('id' => 'ASC'));



        $this->view->main($this->group_mapper->getObjectList($params));

    }



    // Удаление группы пользователей.

    public function delete()

    {

        if (!isset($this->request->id))

        {

            $redirect = new Redirect();

            $redirect->setType('alert');

            $redirect->setMessage('Не указан идентификатор группы.');

            $redirect->setRedirectUrl('/admin/group/');

            $redirect->run();

        }



        $this->group_mapper->delete($this->group);



        $redirect = new Redirect();

        $redirect->setMessage('Группа <strong>'.Format::hsc($this->group->group_name).'</strong> удалена.');

        $redirect->setRedirectUrl('/admin/group/');

        $redirect->run();

    }



    // Редактирование и добавление административной группы.

    public function edit()

    {

        $this->view->setErrorKeys($this->group_mapper->getModelAttributes());



        if (empty($this->group))

        {

            $this->group = $this->group_mapper->createNew();

        }



        // Массив для формирования чекбоксов с существующими actions.

        $this->view->form_actions = $this->view_getGroupActions();



        // Неизменяемые данные формы.

        $this->view->setHeader($this->group->group_name);

        $this->view->id = $this->group->id;

        $this->group_mapper->loadUsersInGroup($this->group);

        $this->view->setGroupUser($this->group->group_user);



        if (POST)

        {

            $validator = new Group_Validator('Group');

            $validator->checkGroupName('group_name');



            // добавление - создаем объект group на основе полученных данных

            $this->group = $this->group_mapper->createFromArray($this->request->getData());



            // Ошибки заполнния формы

            if ($err = $validator->getErrors())

            {

                $this->view->setErrorMessage($err);

            }

            else

            {

                $this->group_mapper->save($this->group);



                $redirect = new Redirect();

                $redirect->setMessage('Данные группы <strong><a href="/admin/group/edit/?id='.$this->group->id.'">'.

                                      Format::hsc($this->group->group_name).'</a></strong> '.

                                      'сохранены.');

                $redirect->setRedirectUrl('/admin/group/');

                $redirect->run();

            }

        }



        $this->view->group_name = $this->group->group_name;

        $this->view->group_active = $this->group->group_active;

        $this->view->group_global = $this->group->group_global;

        $this->view->group_actions = $this->group->group_actions;

    }





    /*

    * Возвращает массив для формирования checkbox-ов actions.

    */

    private function view_getGroupActions()

    {

        $this->db = Database::getInstance();

        $data = array();



        $res = $this->db->query('SELECT

                                       controller.id AS id_controller,

                                       controller.controller_name,

                                       controller.controller_description,

                                       action.id AS id_action,

                                       action.action_name,

                                       action.action_global

                                   FROM

                                       controller,

                                       action

                                   WHERE

                                       controller.id = action.id_controller');



        while ($row = $res->fetch_assoc())

        {

             if (!isset($data[$row['id_controller']]))

             {

                 $data[$row['id_controller']]['name'] = $row['controller_name'];

                 $data[$row['id_controller']]['description'] = $row['controller_description'];

                 $data[$row['id_controller']]['actions'] = array();

             }



             $data[$row['id_controller']]['actions'][$row['id_action']]['name'] = $row['action_name'];

             $data[$row['id_controller']]['actions'][$row['id_action']]['global'] = $row['action_global'];

        }



        return $data;

    }

}

?>