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@tuongaz
Created April 1, 2012 03:51
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Symfony2 Model Manager
<?php
abstract class BaseModelManager {
protected $em;
protected $class;
protected $repository;
protected $container;
/**
* Constructor.
*
* @param EntityManager $em
* @param string $class
*/
public function __construct(EntityManager $em, $class) {
$this->em = $em;
$this->repository = $em->getRepository($class);
$metadata = $em->getClassMetadata($class);
$this->class = $metadata->name;
}
public function setContainer($container) {
$this->container = $container;
}
public function getContainer() {
return $this->container;
}
public function getDispatcher() {
return $this->getContainer()->get('event_dispatcher');
}
/**
* Create model object
*
* @return BaseModel
*/
public function create() {
$class = $this->getClass();
return new $class;
}
/**
* Persist the model
*
* @param $model
* @param boolean $flush
* @return BaseModel
*/
public function save($model, $flush= true) {
$this->getDispatcher()->dispatch('model_before_save', new ModelEvent($model, $this->getContainer()));
$this->getDispatcher()->dispatch($model->getEventPrefix() . '_before_save', new ModelEvent($model, $this->getContainer()));
$this->_save($model, $flush);
$this->getDispatcher()->dispatch('model_after_save', new ModelEvent($model, $this->getContainer()));
$this->getDispatcher()->dispatch($model->getEventPrefix() . '_after_save', new ModelEvent($model, $this->getContainer()));
return $model;
}
/**
* This is basic save function. Child model can overwrite this.
*/
protected function _save($model, $flush=true) {
$this->em->persist($model);
if ($flush) {
$this->em->flush();
}
}
/**
* Delete a model.
*
* @param BaseModel $model
*/
public function delete($model, $flush = true) {
$this->getDispatcher()->dispatch('model_before_delete', new ModelEvent($model, $this->getContainer()));
$this->getDispatcher()->dispatch($model->getEventPrefix() . '_before_delete', new ModelEvent($model, $this->getContainer()));
$this->_delete($model, $flush);
$this->getDispatcher()->dispatch('model_after_delete', new ModelEvent($model, $this->getContainer()));
$this->getDispatcher()->dispatch($model->getEventPrefix() . '_after_delete', new ModelEvent($model, $this->getContainer()));
}
/**
* Remove model.
*/
public function _delete($model, $flush = true) {
$this->em->remove($model);
if ($flush) {
$this->em->flush();
}
}
/**
* Reload the model data.
*/
public function reload($model) {
$this->em->refresh($model);
}
/**
* Returns the user's fully qualified class name.
*
* @return string
*/
public function getClass() {
return $this->class;
}
/**
* @param $id
* @return BaseModel
*/
public function find($id) {
return $this->repository->findOneBy(array('id' => $id));
}
public function isDebug() {
return $this->container->get('kernel')->isDebug();
}
}
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