Add presenter for nami field

app/Form/Fields/NamiField.php

@@ -4,10 +4,10 @@ namespace App\Form\Fields;
 
 use App\Form\Models\Form;
 use App\Form\Models\Participant;
+use App\Form\Presenters\NamiPresenter;
+use App\Form\Presenters\Presenter;
 use App\Member\Member;
 use Faker\Generator;
-use Generator as LazyGenerator;
-use Illuminate\Validation\Factory;
 
 class NamiField extends Field
 {
@@ -129,4 +129,9 @@ class NamiField extends Field
             $form->participants()->create(['data' => $data, 'mitgliedsnr' => $memberData['id']]);
         }
     }
+
+    public function getPresenter(): Presenter
+    {
+        return app(NamiPresenter::class);
+    }
 }

app/Form/Presenters/NamiPresenter.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Form\Presenters;
+
+class NamiPresenter extends Presenter
+{
+
+    /**
+     * @param ?array<int, array{id: int}> $value
+     */
+    public function present($value): string
+    {
+        return collect(array_column($value, 'id'))->implode(', ');
+    }
+}

tests/Feature/Form/ParticipantIndexActionTest.php

@@ -6,6 +6,7 @@ use App\Form\Fields\TextField;
 use App\Form\Models\Form;
 use App\Form\Models\Participant;
 use App\Group;
+use App\Member\Member;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
 
 class ParticipantIndexActionTest extends FormTestCase
@@ -51,4 +52,22 @@ class ParticipantIndexActionTest extends FormTestCase
             ->assertJsonPath('meta.columns.0.display_attribute', 'vorname_display')
             ->assertJsonPath('meta.active_columns', ['vorname', 'select', 'stufe', 'test1']);
     }
+
+    public function testItPresentsNamiField(): void
+    {
+        $this->login()->loginNami()->withoutExceptionHandling();
+        $form = Form::factory()
+            ->has(Participant::factory()->data(['mitglieder' => [['id' => 393], ['id' => 394]]]))
+            ->has(Participant::factory()->nr(393)->data(['mitglieder' => []]))
+            ->has(Participant::factory()->nr(394)->data(['mitglieder' => []]))
+            ->sections([
+                FormtemplateSectionRequest::new()->fields([
+                    $this->namiField('mitglieder'),
+                ]),
+            ])
+            ->create();
+
+        $this->callFilter('form.participant.index', [], ['form' => $form])
+            ->assertJsonPath('data.0.mitglieder_display', '393, 394');
+    }
 }