wip: initial commit

src/BusProNet/Form/ChoiceLoader/CountryChoiceLoader.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\BusProNet\Form\ChoiceLoader;
+
+use App\BusProNet\DataProvider\CountryDataProvider;
+use App\BusProNet\Model\Country;
+use Symfony\Component\Form\ChoiceList\ArrayChoiceList;
+use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
+use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;
+
+class CountryChoiceLoader implements ChoiceLoaderInterface
+{
+    public function __construct(private readonly CountryDataProvider $countries, private readonly string $property)
+    {}
+
+    public function loadChoiceList(callable $value = null): ChoiceListInterface
+    {
+        $choices = [];
+        /** @var Country[] $countries */
+        $countries = $this->countries->getAll();
+
+        foreach ($countries as $country) {
+            $key = 'nationality' === $this->property ? $country->nationality : $country->name;
+            $choices[$key] = $country->token;
+        }
+
+        return new ArrayChoiceList($choices);
+
+    }
+
+    public function loadChoicesForValues(array $values, callable $value = null): array
+    {
+        return $values;
+    }
+
+    public function loadValuesForChoices(array $choices, callable $value = null): array
+    {
+        return $choices;
+    }
+}

src/BusProNet/Form/CountryType.php

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+<?php
+
+namespace App\BusProNet\Form;
+
+use App\BusProNet\DataProvider\CountryDataProvider;
+use App\BusProNet\Form\ChoiceLoader\CountryChoiceLoader;
+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 CountryType extends AbstractType
+{
+    public function __construct(private readonly CountryDataProvider $countries)
+    {}
+
+    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(
+                    $this,
+                    new CountryChoiceLoader($this->countries, $options['property']),
+                    [$options['property']]
+                );
+            },
+        ]);
+    }
+}