Syfony 3 FormType refactor

//SomeType

public function buildForm(FormBuilderInterface $builder, array $options)
{
    $model = $builder->getData();
    $builder
        ->add('someField', null, [
            'label' => 'Some Field',
            'choice_label' => 'name',
            'disabled' => $options['preview_only'],
            'attr' => [
                'tabindex' => 8
            ],
            'query_builder' => function (EntityRepository $er) use ($model){
                $id = $model->getRelatedEntity()->getId();
                $q =  'u.isDeleted = 0';
                $q = $id ? $q.' OR u.id = '.$id : $q;
                return $er->createQueryBuilder('u')->where($q);
            },
            'choice_attr' => function($val, $key, $index) {
                return $val->getIsDeleted() ? ['disabled' => 'disabled'] : [];
            },
    ])
}

//MagicType

public function buildForm(FormBuilderInterface $builder, array $options)
{
    $model = $builder->getData();
    $builder
        ->add('someMagicField', null, [
            'label' => 'Magic Field',
            'choice_label' => 'name',
            'disabled' => $options['preview_only'],
            'attr' => [
                'tabindex' => 8
            ],
            'query_builder' => function (EntityRepository $er) use ($model){
                $id = $model->getRelatedEntity()->getId();
                $q =  'u.isDeleted = 0';
                $q = $id ? $q.' OR u.id = '.$id : $q;
                return $er->createQueryBuilder('u')->where($q);
            },
            'choice_attr' => function($val, $key, $index) {
                return $val->getIsDeleted() ? ['disabled' => 'disabled'] : [];
            },
    ])
}