WIP: Implement profile editing

src/Form/ChoiceLoader/BpnCountryChoiceLoader.php

@@ -0,0 +1,47 @@
+<?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;
+    }
+}