feat: enable entering additional remarks in offer confirmation

src/Form/Admin/Groups/AccommodationBookingCreateType.php

@@ -10,9 +10,11 @@ use App\Enum\Groups\AccommodationBookingStatus;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\DateType;
+use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\EnumType;
 use Symfony\Component\Form\Extension\Core\Type\IntegerType;
 use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
@@ -57,6 +59,13 @@ class AccommodationBookingCreateType extends AbstractType
                 ],
                 'choice_label' => fn (AccommodationBookingStatus $status) => $status->label(),
             ])
+            // Not marked required in HTML: a draft may be saved without it, and the
+            // validation group below enforces it for everything else.
+            ->add('email', EmailType::class, [
+                'label' => 'E-Mail',
+                'required' => false,
+                'help' => 'Für ein Angebot erforderlich — der Zugangslink und alle Benachrichtigungen gehen an diese Adresse.',
+            ])
         ;
     }
 
@@ -64,6 +73,15 @@ class AccommodationBookingCreateType extends AbstractType
     {
         $resolver->setDefaults([
             'data_class' => AccommodationBooking::class,
+            // A draft is a scratch record, but anything the customer can be pointed at
+            // needs a reachable address — see the `offer` group on the entity. The rest of
+            // the contact data is collected on the edit page, which validates `edit`.
+            'validation_groups' => static function (FormInterface $form): array {
+                /** @var AccommodationBooking $booking */
+                $booking = $form->getData();
+
+                return $booking->isDraft() ? ['Default'] : ['Default', 'offer'];
+            },
         ]);
     }
 }

src/Form/Model/OfferAcceptDto.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form\Model;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * Carries what the offer acceptance modal submits: the AGB confirmation and an
+ * optional remark. `remarks` is prefilled from the booking, so whatever comes back
+ * is the full value the customer wants stored — an emptied textarea means "clear it".
+ */
+class OfferAcceptDto
+{
+    public function __construct(
+        #[Assert\IsTrue(message: 'Bitte akzeptiere die AGB, um die Buchung abzuschließen.')]
+        public bool $termsAccepted = false,
+        #[Assert\Length(max: 2000, maxMessage: 'Die Anmerkungen dürfen maximal {{ limit }} Zeichen lang sein.')]
+        public ?string $remarks = null,
+    ) {
+    }
+}

src/Form/OfferAcceptConfirmationType.php

@@ -4,14 +4,15 @@ declare(strict_types=1);
 
 namespace App\Form;
 
+use App\Form\Model\OfferAcceptDto;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\TextareaType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
-use Symfony\Component\Validator\Constraints\IsTrue;
 
 /**
- * @extends AbstractType<null>
+ * @extends AbstractType<OfferAcceptDto>
  */
 class OfferAcceptConfirmationType extends AbstractType
 {
@@ -22,19 +23,28 @@ class OfferAcceptConfirmationType extends AbstractType
             htmlspecialchars($options['terms_url'], ENT_QUOTES, 'UTF-8')
         );
 
-        $builder->add('termsAccepted', CheckboxType::class, [
-            'label' => sprintf('Ich habe die %s gelesen und bin damit einverstanden, dass eine kostenpflichtige Buchung zustande kommt.', $termsLink),
-            'label_html' => true,
-            'mapped' => false,
-            'required' => true,
-            'constraints' => [
-                new IsTrue(message: 'Bitte akzeptiere die AGB, um die Buchung abzuschließen.'),
-            ],
-        ]);
+        $builder
+            ->add('remarks', TextareaType::class, [
+                'label' => 'Anmerkungen (optional)',
+                'required' => false,
+                'attr' => [
+                    'rows' => 4,
+                    'maxlength' => 2000,
+                ],
+            ])
+            ->add('termsAccepted', CheckboxType::class, [
+                'label' => sprintf('Ich habe die %s gelesen und bin damit einverstanden, dass eine kostenpflichtige Buchung zustande kommt.', $termsLink),
+                'label_html' => true,
+                'required' => true,
+            ])
+        ;
     }
 
     public function configureOptions(OptionsResolver $resolver): void
     {
+        $resolver->setDefaults([
+            'data_class' => OfferAcceptDto::class,
+        ]);
         $resolver->setRequired('terms_url');
         $resolver->setAllowedTypes('terms_url', 'string');
     }