Hi everyone! I'm trying to implement multiple payment options. I now have AfterPay and Klarna. When

U021QH3GDGV

Hi everyone! I'm trying to implement multiple payment options. I now have AfterPay and Klarna. When i'm in checkout process on payment step i have

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ul> element with list items in it. (Picture 1). When i select on let's say afterPay and press button to go to "Summary" step. Both of Sub Forms get validated even though i haven't selected one al all. Did anyone encounter problem like this ? How can i disable validation of certain subform if it has not been selected.

U01K43ADW5N

Did you end up with a solution?

U021QH3GDGV

No i did not.

U01K43ADW5N

I got one for you.
You have to add a callback constraint for the field you want to validate and check if the payment selection is the same as the subform name.

field example:

/**
     * @param \Symfony\Component\Form\FormBuilderInterface $builder
     * @param array $options
     *
     * @return $this
     */
    private function addPhoneField(FormBuilderInterface $builder, array $options)
    {
        $builder->add(static::FIELD_PHONE, TelType::class, [
            'label' => 'amazon.pay.phone.required',
            'required' => true,
            'trim' => true,
            'data' => $options[SubFormInterface::OPTIONS_FIELD_NAME][static::FIELD_PHONE] ?? null,
            'constraints' => [
                new Callback([
                    'callback' => function ($phone, ExecutionContextInterface $context) {
                        /** @var Form $rootForm */
                        $rootForm = $context->getRoot();
                        if ($rootForm->get('paymentSelection')->getData() !== $this->getName()) {
                            return;
                        }

                        if ($phone === null || $phone === '') {
                            $context->buildViolation(static::VALIDATION_NOT_BLANK_MESSAGE)->addViolation();
                        }
                    },
                ]),
            ]
        ]);

        return $this;
    }

U021QH3GDGV

thanks. i'll try it out.