I have a form with some nested fieldsets and upon persisting I receive the
following error message:
Error message:
Additional information:
Doctrine\ORM\ORMInvalidArgumentException File: Doctrine/ORM/
ORMInvalidArgumentException.php:91
Message:
A new entity was found through the relationship 'Entities\Product#type'
that was not configured to cascade persist operations for entity: Entities\
Type@000000000c2f004400007ff44e874816.
To solve this issue: Either explicitly call EntityManager#persist() on this
unknown entity or configure cascade persist this association in the mapping
for example @ManyToOne(..,cascade={"persist"}). If you cannot find out
which entity causes the problem implement 'Entities\Type#__toString()' to
get a clue.
I give the name of an existing entity so it should not see it as a new entity.
Somewhere it was suggested that I need to pass the id, but looking at the
official example it should be covered by the FieldSet and the DoctrineEntity.
I basically follow the main example given in hydrator.md
Could anyone help out?
CreateProductForm:
class CreateProductForm extends Form implements InputFilterProviderInterface
{
public function __construct(ObjectManager $objectManager)
{
parent::__construct('create-product-form');
$this->setObjectManager($objectManager);
$this->setHydrator(new DoctrineHydrator($this->getObjectManager()));
$this->addElements();
}
public function addElements()
{
// Add the product fieldset, and set it as the base fieldset
$productFieldset = new ProductFieldSet($this->getObjectManager());
$productFieldset->setUseAsBaseFieldset(true);
$this->add($productFieldset);
// … add CSRF and submit elements …
}
}
2 Sample Fieldsets:
class ProductFieldSet extends Fieldset implements
InputFilterProviderInterface
{
public function __construct(ObjectManager $objectManager)
{
parent::__construct('product');
$this->setObjectManager($objectManager);
$this->setHydrator(new DoctrineEntity($this->getObjectManager()))->
setObject(new Product());
$this->addElements();
}
public function addElements()
{
$this->add(array(
'name' => 'id',
'type' => 'Hidden',
));
$this->addLabelCode();
$this->addArtist();
$this->addTitle();
$this->addDescription();
$this->addPrice();
$this->addHints();
$this->addType();
}
// A lot of add methods
/**
* Add Type to the Cms\Form\ProductFieldSet
*/
private function addType()
{
$typeFieldset = new TypeFieldSet($this->getObjectManager());
$typeFieldset->setName('type');
// $labelFieldset->setAttribute('required', TRUE);
// $labelFieldset->setAttribute('class', 'form-control');
$typeFieldset->setLabel('Type');
// $labelFieldset->setLabelAttributes(array('class' =>
'control-label'));
$this->add($typeFieldset);
}
}
Related Type Fieldset:
class TypeFieldSet extends Fieldset implements InputFilterProviderInterface
{
/**
* Construct Cms\Form\GenreFieldSet.
*
* @param ObjectManager $objectManager
*/
public function __construct(ObjectManager $objectManager)
{
parent::__construct('type');
$this->setObjectManager($objectManager);
$this->setHydrator(new DoctrineEntity($this->getObjectManager()))->
setObject(new Type());
$this->addElements();
}
/**
* Method responsible for adding elements to \Cms\Form\Fieldset.
*/
public function addElements()
{
$this->add(array(
'type' => 'Zend\Form\Element\Hidden',
'name' => 'id'
));
$this->add(array(
'name' => 'name',
'type' => 'Zend\Form\Element\Text',
'attributes' => array(
'required' => true,
'id' => 'name',
'class' => 'form-control',
'placeholder' => 'Enter type name'
),
'options' => array(
'label' => 'Name',
'label_attributes' => array(
'class' => 'control-label'
),
),
));
}
ProductController:
/**
* Add a new Entities\Product
*
* @return type
*/
public function addAction()
{
// Get your ObjectManager from the ServiceManager
$objectManager = $this->getServiceLocator()->get(
'Doctrine\ORM\EntityManager');
// Create the form and inject the ObjectManager
$form = new CreateProductForm($objectManager);
// Create a new, empty entity and bind it to the form
$product = new Product();
$form->bind($product);
if ($this->request->isPost())
{
$form->setData($this->request->getPost());
if ($form->isValid())
{
$createAnother = (boolean) $this->request->getPost(
'create_another_product');
$product->setInstockdate(new DateTime());
$this->getProductService()->saveProduct($product);
$this->flashMessenger()->addSuccessMessage('Product ' .
$product->getName() . ' saved');
// In case create_another is true redirect to add action
if ($createAnother)
{
$options = array("query" => array("createAnother" =>
TRUE));
$this->redirect()->toRoute('product', array('action' =>
'add'), $options);
}
else
{
return $this->redirect()->toRoute('product');
}
}
else
{
$this->flashMessenger()->addErrorMessage($form->getMessages
());
}
}
// After redirect in case create_another is true set the related
form variable to true
if ($this->params()->fromQuery('createAnother'))
{
$form->get('create_another_product')->setValue(TRUE);
}
$csvLabels = $this->getLabelService()->getImplodedLabels();
return new ViewModel(array(
'product' => $product,
'csvLabels' => $csvLabels,
'form' => $form
));
}
Doctrine Entities:
Product (showing only relevant snippet)
/**
* Product
*
* @ORM\Table(name="products")
* @ORM\Entity(repositoryClass="\Entities\ProductRepository")
*/
class Product
{
/**
* @var \Entities\Type
*
* @ORM\ManyToOne(targetEntity="Entities\Type")
* @ORM\JoinColumns({
* @ORM\JoinColumn(name="type_id", referencedColumnName="id",
nullable=false)
* })
*/
private $type;
}
View: (only relevant snippets)
<?php
$form->setAttribute('action', $this->url('product', array('action' => 'add'
)));
$form->setAttribute('class', 'form-horizontal');
$form->prepare();
echo $this->form()->openTag($form);
$product = $form->get('product');
$type = $product->get('type');
?>
<div class="form-group <?= ($this->formElementErrors($type->get('name'))) ?
'has-error' : ''; ?>">
<?php echo $this->formHidden($type->get('id')); ?>
<?php
echo $this->formRow($type->get('name')) . PHP_EOL;
?>
</div>
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