Add Soft deletes to participants

app/Form/Actions/ParticipantDestroyAction.php

@@ -15,7 +15,7 @@ class ParticipantDestroyAction
 
     public function handle(int $participantId): void
     {
-        Participant::findOrFail($participantId)->delete();
+        Participant::findOrFail($participantId)->update(['cancelled_at' => now()]);
     }
 
     public function asController(Participant $participant): void

app/Form/Scopes/ParticipantFilterScope.php

@@ -54,6 +54,8 @@ class ParticipantFilterScope extends ScoutFilter
                 $filter->push('parent-id IS NULL');
             }
 
+            $filter->push('cancelled_at IS NULL');
+
             if ($this->parent !== null && $this->parent !== -1) {
                 $filter->push('parent-id = ' . $this->parent);
             }

database/migrations/2025_11_11_221048_create_participants_cancelled_at_column.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('participants', function (Blueprint $table) {
+            $table->datetime('cancelled_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('participants', function (Blueprint $table) {
+            $table->dropColumn('cancelled_at');
+        });
+    }
+};

tests/EndToEnd/Form/ParticipantIndexActionTest.php

@@ -269,6 +269,15 @@ it('testItShowsPreventionState', function () {
         ->assertJsonPath('data.0.prevention_items.0.tooltip', 'erweitertes Führungszeugnis nicht vorhanden');
 });
 
+it('doesnt show cancelled participants', function () {
+    $this->login()->loginNami()->withoutExceptionHandling();
+    $participant = Participant::factory()->for(Form::factory())->create(['cancelled_at' => now()]);
+
+    sleep(2);
+    $this->callFilter('form.participant.index', [], ['form' => $participant->form])
+        ->assertJsonCont('data', 0);
+});
+
 it('test it orders participants by value', function (array $values, array $sorting, array $expected) {
     list($key, $direction) = $sorting;
     $this->login()->loginNami()->withoutExceptionHandling();

tests/Feature/Form/ParticipantDestroyActionTest.php

@@ -24,5 +24,9 @@ it('testItCanDestroyAParticipant', function () {
     $this->deleteJson(route('participant.destroy', ['participant' => $form->participants->first()]))
         ->assertOk();
 
-    $this->assertDatabaseCount('participants', 0);
+    $this->assertDatabaseCount('participants', 1);
+    $this->assertDatabaseHas('participants', [
+        'cancelled_at' => now(),
+        'id' => $form->participants->first()->id,
+    ]);
 });