Esquema de controllers + CRUD + Service Layer

Action.php

<?php
namespace Core\Controller;

class Action extends \Zend_Controller_Action
{
    /**
     * EntityManager retornado
     * @var \Doctrine\ORM\EntityManager
     */
    protected $em;
    
    public function init()
    {
        $this->em = $this->getEntityManager();
    }
    
    /**
     * Retorna o container (configuracoes) do doctrine 
     * 
     * @return \Bisna\Doctrine\Container
     */
    public function getDoctrineContainer()
    {
        return $this->getInvokeArg('bootstrap')->getResource('doctrine');
    }
    
    /**
     * Retorna um entityManager. ùtil nos controller
     * 
     * @param string $em nome do entitymanager
     * @return type 
     */
    public function getEntityManager($em = null)
    {
        return $this->getDoctrineContainer()->getEntityManager($em);
    }
    
    
    public function getDBALConnection($connName = null)
    {
        return $this->getDoctrineContainer()->getConnection($connName);
    }
    
    /**
     * 
     * @return Bisna\Service\ServiceLocator
     */
    public function getServiceLocator()
    {
        return $this->getInvokeArg('bootstrap')->getResource('serviceLocator');
    }
    
}

Admin_CrudController.php

<?php
use \Core\Controller\CrudServiceController;

class Admin_CrudController extends CrudServiceController
{
    public $serviceName = null;
    /**
     * @return \Bisna\Service\Service
     */
    public function getService()
    {
        $this->serviceName = $this->_getParam('service');
        
        if ($this->serviceName == null) {
            throw new \Exception('Unknow service');
        }
        
        return $this->getServiceLocator()->getService($this->serviceName);
    }
}

CrudServiceController.php

<?php

namespace Core\Controller;

/*
 * Workshop Doctrine 2 + ZF1
 * 
 */

use \Core\Controller\Action;
use \Core\Grid;

/**
 *  CategoriaController
 *
 * @author Administrator
 */
abstract class CrudServiceController extends Action
{

    public $serviceName = null;

    /**
     * @return \Bisna\Service\Service
     */
    public function getService()
    {
        if ($this->serviceName == null) {
            throw new \Exception('Unknow service');
        }

        return $this->getServiceLocator()->getService($this->serviceName);
    }

    public function indexAction()
    {
        $grid = $this->getGrid();
        $this->view->grid = $grid->render();
    }

    public function addAction()
    {
        $service = $this->getService();
        $form = $this->getForm();
        $request = $this->getRequest();

        if ($request->isPost()) {
            if ($form->isValid($request->getParams())) {
                $service->add($form->getValues());
                $this->_helper->redirector('index');
            } else {
                $form->populate($request->getParams());
            }
        }

        $this->view->form = $form;
    }

    public function editAction()
    {
        $id = $this->_getParam('id');
        $service = $this->getService();
        $entity = $service->find($id);
        $form = $this->getForm();
        $form = $this->prepareForm($form);
        $request = $this->getRequest();

        if ($entity == null) {
            throw new \Exception('Registro não existe');
        }

        $form->setDefaultsFromEntity($entity);

        if ($request->isPost()) {
            if ($form->isValid($request->getParams())) {
                $service->edit($id, $form->getValues());
                $this->_helper->redirector('index');
            } else {
                $form->populate($request->getParams());
            }
        }

        $this->view->form = $form;
    }

    public function deleteAction()
    {
        $id = $this->_getParam('id');
        $this->getService()->delete($id);
        $this->_helper->redirector('index');
    }

    /**
     *
     * @return \Zend_Form
     */
    protected function getForm()
    {
        $formClass = '\Application\Form\\' . ucfirst($this->serviceName);
        return new $formClass;
    }
    
    /**
     *
     * @return \Zend_Form
     */
    protected function getGrid()
    {
        $formClass = '\Application\Grid\\' . ucfirst($this->serviceName);
        return new $gridClass;
    }

    /**
     *
     * @return \Zend_Form
     */
    public function prepareForm(\Zend_Form $form)
    {
        return $form;
    }

}

use-case.txt

http://app.local/admin/crud/index/service/user
http://app.local/admin/crud/edit/service/user
http://app.local/admin/crud/add/service/user
http://app.local/admin/crud/delete/service/user

http://app.local/admin/crud/index/service/foo
http://app.local/admin/crud/edit/service/foo
http://app.local/admin/crud/add/service/foo
http://app.local/admin/crud/delete/service/foo