Question

我正在使用Symfony 3.4。

我有一个表格，可以编辑给定国家/地区的一些答案，我需要按类别对这些答案进行编辑。

我在实体中设置了一个过滤器，但我不知道如何使用表单中的参数调用此getter。

肮脏的替代方法是从控制器中的表单中删除不需要的元素，但这并不理想...

这是我的表格：

<?php

namespace cwt\psmdbBundle\Form;

use cwt\psmdbBundle\Entity\CcdbServicesAnswers;
use cwt\psmdbBundle\Entity\countries;

use Doctrine\ORM\EntityRepository;
use Symfony\Bridge\Doctrine\Form\Type\EntityType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Form\Extension\Core\Type\CollectionType;

class countriesCCDBServicesAnswersType extends AbstractType
{

    /**
     * @param FormBuilderInterface $builder
     * @param array $options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('AnswersOfCategory', CollectionType::class, array(
                'entry_type' => CcdbServicesAnswersType::class,
                'entry_options' => array('label' => false,),
                'label' => false,
            ));    
    }

    /**
     * @param OptionsResolver $resolver
     */
    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults(array(
            'data_class' => 'cwt\psmdbBundle\Entity\countries',
            'categoryID' => 1,
        ));
    }

    /**
     * @return string
     */
    public function getBlockPrefix()
    {
        return 'cwt_psmdbbundle_countries';
    }
}

这是我的实体：

<?php

namespace cwt\psmdbBundle\Entity;

use APY\DataGridBundle\Grid\Mapping as GRID;
use Doctrine\ORM\Mapping as ORM;

/**
 * countries
 *
 * @ORM\Table()
 * @ORM\Entity(repositoryClass="cwt\psmdbBundle\Entity\Repository\countriesRepository")
 */
class countries
{
    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @var string
     *
     * @ORM\Column(name="code", type="string", length=2)
     */
    private $code;

    /**
     * @var string
     *
     * @ORM\Column(name="name", type="string", length=100)
     */
    private $name;    

    /**
     * @ORM\OneToMany(targetEntity="cwt\psmdbBundle\Entity\CcdbServicesAnswers", mappedBy="country", cascade={"persist", "remove"})
     */
    private $ccdbServicesAnswers;


// Specific Functions

    /**
     * Get ccdbServicesAnswers.
     *
     * @return \Doctrine\Common\Collections\Collection
     */
    public function getAnswersOfCategory($categoryID)
    {

        return $this->getCcdbServicesAnswers()->filter(function(CcdbServicesAnswers $answer) use($categoryID) {
            return $answer->getQuestion()->getCategory()->getId() == $categoryID;
        });
    }

这是我在控制器中的create form函数：

private function createCountryEditForm(Countries $entity, $categoryID)
{
    $form = $this->createForm(countriesCCDBServicesAnswersType::class, $entity, array(
        'action' => $this->generateUrl('updateCountryCcdbServicesAnswers', array('countryID' => $entity->getId())),
        'method' => 'PUT',
        'categoryID' => $categoryID,
    ));

    $form->add('submit', submitType::class, array('label' => 'Update', 'attr' => array('class' => 'hidden')));

    return $form;
}

[更新20/11/2018]

这是我到目前为止所做的。这项工作，但我更喜欢一个更清洁的解决方案，该解决方案在数据库级别使用where子句处理此过滤器，并且更加干燥。在控制者级别执行此操作意味着我必须在需要此过滤器的所有位置执行此操作。

private function createCountryEditForm(Countries $entity, $categoryID)
{
    $form = $this->createForm(countriesCCDBServicesAnswersType::class, $entity, array(
        'action' => $this->generateUrl('updateCountryCcdbServicesAnswers', array('countryID' => $entity->getId(), 'categoryID' => $categoryID)),
        'method' => 'PUT',
        'categoryID' => $categoryID,
    ));

    $answers = $form->get('ccdbServicesAnswers')->getData();


    foreach ($answers as $answer) {

        if($answer->getQuestion()->getCategory()->getId() != $categoryID) {
            $answers->removeElement($answer);
        }

    }

    $form->get('ccdbServicesAnswers')->setData($answers);

    $form->add('submit', submitType::class, array('label' => 'Update', 'attr' => array('class' => 'hidden')));

    return $form;
}

Answer 1

您不应在实体中使用过滤器。您应该使用DQL手动获取答案。提取实体数组，然后使用CollectionType将其传递给表单。

use cwt\psmdbBundle\Entity\CcdbServicesAnswers;
use cwt\psmdbBundle\Form\countriesCCDBServicesAnswersType;

// ....
$queryBuilder = $this->createQueryBuilder()
    ->select('a')
    ->from(CcdbServicesAnswers::class, 'a')
    ->where('
        country = :country
        AND category = :category
    ')
    ->setParameters([
        'country' => $country,
        'category' => $category
    ]);

$answers = $queryBuilder->getQuery()->getArrayResult();

$this->createForm(countriesCCDBServicesAnswersType::class, [
    'AnswersOfCategory' => $answers
]);

您可以封装将所需数据提取到存储库： https://symfony.com/doc/current/doctrine.html#querying-for-objects-the-repository

Symfony形式：带有参数的过滤器集合

1 个答案: