WIP: Implement profile editing

src/Form/BpnCountryType.php

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+<?php
+
+namespace App\Form;
+
+use App\BusProNet\ApiClient;
+use App\Form\ChoiceLoader\BpnCountryChoiceLoader;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\ChoiceList\ChoiceList;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\OptionsResolver\Options;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class BpnCountryType extends AbstractType
+{
+    public function __construct(private readonly ApiClient $apiClient)
+    {}
+
+    public function getParent(): string
+    {
+        return ChoiceType::class;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefined(['property']);
+        $resolver->setAllowedValues('property', ['country', 'nationality']);
+        $resolver->setDefaults([
+            'property' => 'country',
+            'choice_loader' => function (Options $options) {
+                return ChoiceList::loader(
+                    $this,
+                    new BpnCountryChoiceLoader($this->apiClient, $options['property']),
+                    [$options['property']]
+                );
+            },
+        ]);
+    }
+}

src/Form/ChoiceLoader/BpnCountryChoiceLoader.php

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+<?php
+
+namespace App\Form\ChoiceLoader;
+
+use App\BusProNet\ApiClient;
+use App\BusProNet\ApiClientException;
+use App\BusProNet\Model\CountriesResponse;
+use Symfony\Component\Form\ChoiceList\ArrayChoiceList;
+use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
+use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;
+
+class BpnCountryChoiceLoader implements ChoiceLoaderInterface
+{
+    public function __construct(private readonly ApiClient $apiClient, private readonly string $property)
+    {}
+
+    public function loadChoiceList(callable $value = null): ChoiceListInterface
+    {
+        try {
+            /** @var CountriesResponse $response */
+            $response = $this->apiClient->getCountries();
+            $countries = $response->getCountries();
+        } catch (ApiClientException $e) {
+            $countries = [];
+        }
+
+        $choices = [];
+
+        foreach ($countries as $country) {
+            $key = 'nationality' === $this->property ? $country->getNationality() : $country->getName();
+            $choices[$key] = $country->getId();
+        }
+
+        return new ArrayChoiceList($choices);
+
+    }
+
+    public function loadChoicesForValues(array $values, callable $value = null): array
+    {
+        return $values;
+    }
+
+    public function loadValuesForChoices(array $choices, callable $value = null): array
+    {
+        return $choices;
+    }
+}

src/Form/ProfileType.php

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+<?php
+
+namespace App\Form;
+
+use App\Entity\Teamer;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\BirthdayType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ProfileType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('gender', ChoiceType::class, [
+                'label' => 'Geschlecht',
+                'choices' => [
+                    'weiblich' => 'W',
+                    'männlich' => 'M',
+                    'divers' => 'D',
+                ],
+            ])
+            ->add('firstName', TextType::class, [
+                'label' => 'Vorname',
+            ])
+            ->add('lastName', TextType::class,[
+                'label' => 'Nachname',
+            ])
+            ->add('academicTitle', TextType::class, [
+                'label' => 'Titel',
+                'required' => false,
+            ])
+            ->add('dateOfBirth', BirthdayType::class, [
+                'label' => 'Geburtsdatum',
+                'input_format' => 'datetime_immutable',
+            ])
+            ->add('nationality', BpnCountryType::class, [
+                'label' => 'Nationalität',
+                'property' => 'nationality',
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => Teamer::class,
+        ]);
+    }
+}