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Configuring File Upload Error Message

Using the guide http://symfony.com/doc/current/cookbook/doctrine/file_uploads.html I am trying to customize the error message but I have a problem: the variable errors

is not since we are not validating the entity and not calling $this->get('validator')->validate($entity)

.

{% block field_errors %}
{% spaceless %}
    {# errors is undefined here #}
{% endspaceless %}
{% endblock field_errors %}

This is some sample code:

public function uploadAction()
{
    $document = new Document();
    $form = $this->createFormBuilder($document)
        ->add('name')
        ->add('file')
        ->getForm()
    ;

    if ($this->getRequest()->getMethod() === 'POST') {
        $form->bindRequest($this->getRequest());
        if ($form->isValid()) {
            $em = $this->getDoctrine()->getEntityManager();

            $em->persist($document);
            $em->flush();

            $this->redirect($this->generateUrl('...'));
        }
    }

    // Variable 'errors' is not assigned
    return array('form' => $form->createView());
}
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I'm not sure I understand. If you are following the example, there are validation rules in $ document that will be validated using $ form-> isValid (). {{form_errors (form)}} should output any errors.

If it's just a matter of customizing the template, you need to check for errors before trying to handle them:



{% block field_errors %}
{% spaceless %}
    {% if errors|length > 0 %}
    <span style="color:red">
        {% for error in errors %}
            {{ error.messageTemplate|trans(error.messageParameters, 'validators') }}<br />
        {% endfor %}
    {% endif %}
{% endspaceless %}
{% endblock field_errors %}
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